Руководство по ремонту qst30

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  Service Manual QST30 Engine with PowerCommand 3.1 Control DFHA (Spec A−J) DFHB (Spec A−J) DFHC (Spec A−J) DFHD (Spec A−J) English Original Instructions 10-2017 0960−0509 (Issue 9)
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  ……. . 3−20 Copyright  2017 Cummins Inc. Page −3…
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  …………6−1 ALTERNATOR/PCC CONTROL ISOLATION PROCEDURE ….6−2 Copyright  2017 Cummins Inc. Page −4…
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  …………8−1 Copyright  2017 Cummins Inc. Page −5…
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  THIS PAGE LEFT INTENTIONALLY BLANK Copyright  2017 Cummins Inc. Page −6…
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   Be sure all fuel supplies have a positive shutoff sible fire, explosion, severe personal injury and valve. death. Do not operate a generator set where a flam- Copyright  2017 Cummins Inc.
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  Class C fires, live electrical operating the generator set safely. Contact your au- equipment. (ref. NFPA No. 10). thorized Cummins distributor for more information.  Make sure that rags are not left on or near the generator set.
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  Jack Stands at Nose of Container KEEP THIS MANUAL NEAR THE GENERATOR SET FOR EASY REFERENCE Copyright  2017 Cummins Inc.
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  THIS PAGE LEFT INTENTIONALLY BLANK Copyright  2017 Cummins Inc.
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  Service per- sonnel must be trained and experienced to per- form electrical and mechanical service. Read and follow Important Safety Instructions, on pages iii and iv. Copyright  2017 Cummins Inc.
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  (MPU) and the main stator inputs. The The PCC is a microprocessor-based control for control sends a low power pulse-width modulated Cummins generator sets. It provides fuel control (PWM) signal to the governor output module, which and engine speed governing, main alternator volt-…
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  Even with power removed, improper handling strap when touching or handling circuit boards of components can cause electrostatic dis- or socket-mounted ICs and when disconnect- charge and damage to circuit components. ing or connecting harness connectors. Copyright  2017 Cummins Inc.
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  (1 of 4) RUN/OFF/AUTO SELF TEST RESET MENU PANEL LAMP EMERGENCY STOP SWITCH SWITCH SWITCH SWITCH SWITCH PUSH BUTTON (Turn CW to reset) NON-AUTOMATIC PHASE SELECTOR WARNING SWITCH AND SHUTDOWN INDICATORS STATUS INDICATORS FIGURE 2-1. FRONT PANEL Copyright  2017 Cummins Inc.
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  To activate and view the menu displays without Emergency Stop shutdown status (Code 102) can be starting the generator set, press and hold the Self reset only at the PCC front panel. Copyright  2017 Cummins Inc.
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  “>>” in the display. Refer to VERSION & DIS- In the digital display, the “<<” symbol indicates that PLAYS MENUS in Section 5. selecting the adjacent button causes the operating program to go back to the previous menu display. Copyright  2017 Cummins Inc.
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  _______SEC >> SECTION 5 METERS >>  IDLE SPEED  _______RPM >> GOV / REG << SECTION 5 SECTION 5 SETUP >> INACTIVE BUTTON RACKTEST << SECTION 5 < ACTIVE BUTTON < ACTIVE BUTTON SELECTED Copyright  2017 Cummins Inc.
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  “<<” will return the display (“BACK”) to the RPM/EX- BATTERY/HOURS submenu: From the OIL/ HAUST submenu. COOLANT submenu, press the button next to the “>>” in the display to move to the BATTERY/ HOURS submenu. Select BATTERY for a display Copyright  2017 Cummins Inc.
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    L___ C (or n/a) << < > > <<   R___ C (or n/a) < EXHAUST < > < > << BATTERY << < < > EXHAUST HOURS >> Indicates “OR” Condition Copyright  2017 Cummins Inc.
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  “<<” will return the display POWER / KW HOURS submenu: From the VOLTS/ (“BACK”) to the %GOV/REG/FREQUENCY sub- AMPS submenu, press the button next to the “>>” in menu. the display to move to the POWER/KW HOURS sub- Copyright  2017 Cummins Inc.
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  KW HRS >> < > BACK < %GOV / REG << > GOVERNOR_ % << > FREQUENCY REGULATOR_ % < BACK < %GOV / REG << > FREQUENCY << > FREQUENCY < Indicates “OR” Condition Copyright  2017 Cummins Inc.
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  THIS PAGE LEFT INTENTIONALLY BLANK 2-10 Copyright  2017 Cummins Inc.
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  ICs. S5 POWER ON/ STANDBY SWITCH DIGITAL BOARD DISPLAY BOARD ANALOG BOARD ENGINE INTERFACE CUSTOMER INTERFACE RUN/OFF/AUTO SWITCH S12 GOVERNOR VOLTAGE OUTPUT MODULE REGULATOR OUTPUT MODULE PT/CT BOARD A36 FIGURE 3-1. CIRCUIT BOARD LOCATIONS Copyright  2017 Cummins Inc.
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  FIGURE 3-2. BLOCK DIAGRAM Copyright  2017 Cummins Inc.
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  Refer to Digital Board (A32) Calibration The digital board has five connectors. They are: in Section 5, which provides a detailed description Serial Interface RS232 of how to configure this board. FIGURE 3-3. DIGITAL BOARD (A32) Copyright  2017 Cummins Inc.
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  DS10 GOV duty cycle (Green). Brighter indicates larger duty cycle. Connects to J1 on A33 Analog board. DS11 Start pilot relay output (Red) Connects to display board, front panel switches and meters. DS12 Run pilot relay output (Red) Copyright  2017 Cummins Inc.
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  DS4 — RUN SW DS5 — AUTO DS6 — E-STOP DS9 — REG 5A CNTRL B+ DS10 — GOV DS11 — START (WHITE) DS12 — RUN RLY 5A AUX B+ FIGURE 3-4. ENGINE INTERFACE BOARD Copyright  2017 Cummins Inc.
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  Spare analog inputs This board interprets all analog input signals and converts the analog signals to 0−5 VDC for the digi- Connects to J1 on A34 Customer Interface tal board. board FIGURE 3-5. ANALOG BOARD Copyright  2017 Cummins Inc.
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  DS37 Automatic mains failure (AMF) for parallel- DS12 Right Top Arrow (Green) ing application only: Breaker Open (Green) DS11 DS12 DS10 DS13 DS14 DS15 DS20 DS21 DS22 DS23 DS24 DS25 DS26 DS27 DS29 DS36 DS37 FIGURE 3-6. DIGITAL DISPLAY BOARD Copyright  2017 Cummins Inc.
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  DS25 Overcrank output relay K11 (Red) DS11 Customer Fault #2 input (Red) DS26 Low engine temperature output relay K12 (Red) DS12 Low coolant output relay K17 (Red) DS13 Low Fuel Input (Red) DS27 Low fuel output relay K13 (Red) Copyright  2017 Cummins Inc.
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  DS21 — [K8] PRE-HET DS22 — [K6] NOT IN AUTO DS23 — [K9] HET DS24 [K10] OVERSPEED DS25 — [K11] OVERCRANK DS26 — [K12] LET DS27 — [K13] LOW FUEL FIGURE 3-7. CUSTOMER INTERFACE BOARD Copyright  2017 Cummins Inc.
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  For proper operation, the CTs must Black CT22 (common) In also be correctly matched to the generator set out- Purple CT23 (+) In put current. Blue CT23 (common) In FIGURE 3-8. PT/CT BOARD 3-10 Copyright  2017 Cummins Inc.
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  850 RPM, when sensed PMG voltage is greater than 105 volts RMS. DS1 — ISOLATED SUPPLY DS2 — OUTPUT DUTY CYCLE DS3 — BACKUP START DISCONNECT FIGURE 3-9. VOLTAGE REGULATOR OUTPUT MODULE (A37) 3-11 Copyright  2017 Cummins Inc.
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  The governor output module has four fuses to pro- DS6 (Red) Right actuator fault indicator. See DS5 tect it from overloads and groundfaults. They are: description. BANK TO BANK LOOP LOOP FIGURE 3-10. GOVERNOR OUTPUT MODULE (A38) 3-12 Copyright  2017 Cummins Inc.
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  Accidental starting of the generator and shutdown limits. set during troubleshooting can cause severe  Tables 4-4 through 4-30: Provide detailed personal injury or death. Disable the generator troubleshooting procedures. set (see above) before troubleshooting. Copyright  2017 Cummins Inc.
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  WARNING AND RESET ALPHANUMERIC SHUTDOWN SWITCH FAULT MESSAGE STATUS INDICATORS DISPLAY FIGURE 4-1. CONTROL PANEL Copyright  2017 Cummins Inc.
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  … Warning/Shutdown ….4-35 (Continued to next page) * Default message. Editable for customer site requirements. Copyright  2017 Cummins Inc.
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  ….None ….4-10 Copyright  2017 Cummins Inc.
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  Indicates that the control has sensed that the engine oil pressure sender is out of its working range. Check MESSAGE: that the engine oil pressure sender is properly con- OIL PRES SENDER nected. 204 − WARNING Copyright  2017 Cummins Inc.
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  Warning lamp lights. Indicates that the resistance of the coolant tempera- ture sender is out of range. Check the resistance of MESSAGE: the sender. Resistance should be 500 to 2k ohms. COOLANT SENDER WARNING Copyright  2017 Cummins Inc.
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  Reset the control and restart after correcting the problem. Indicates engine has exceeded normal operating Engine runs and then shuts down, speed. (115%  1% of nominal) Shutdown lamp lights. MESSAGE: OVERSPEED 223 − SHUTDOWN Copyright  2017 Cummins Inc.
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  Shutdown lamp lights. cal operating parameters. MESSAGE: EEPROM ERROR 250 − SHUTDOWN Indicates PCC memory error. Data corruption of non- Warning lamp lights. critical operating parameters. MESSAGE: EEPROM ERROR 251 − WARNING 252 − WARNING Copyright  2017 Cummins Inc.
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  10 seconds. HIGH AC VOLTAGE 301 − SHUTDOWN Indicates that one or more of the phase voltages has Shutdown lamp lights. dropped below 85% of nominal for 10 seconds. MESSAGE: LOW AC VOLTAGE 303 − SHUTDOWN Copyright  2017 Cummins Inc.
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  INVALID SETUP Board (A32) Calibration in Section 5. Indicates that the digital board is not properly cali- MESSAGE: brated for the generator set model. Refer to Digital INVALID CAL Board (A32) Calibration in Section 5. 4-10 Copyright  2017 Cummins Inc.
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  TABLE 4-3. PCC OIL PRESSURE WARNING & SHUTDOWN LIMITS QST30 Engine: NORM 45-65 psi (310-448 kPa), IDLE 20 psi (138 kPa) 35 psi (241 kPa) shutdown limit — run mode value 40 psi (276 kPa) warning limit — run mode value…
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  Figure 4-2 shows the location of the components handling circuit boards or socket-mounted IC’s within the control panel that are referenced in the and when disconnecting or connecting harness following troubleshooting procedures. Connector, connectors. 4-12 Copyright  2017 Cummins Inc.
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  OPTIONAL RUN RELAYS COMMON ALARM K11, K12 & K13 TB1-1 RELAY K14 TB1-40 OPTIONAL RTD OPTIONAL RELAY THERMISTOR  RELAY 160/140 GOVERNOR OUTPUT MODULE VOLTAGE REGULATOR OUTPUT MODULE PT/CT BOARD A36 FIGURE 4-2. CIRCUIT BOARD LOCATIONS 4-13 Copyright  2017 Cummins Inc.
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  6. The mag pickup signal is not being 6. Refer to the mag pickup shutdown message sensed. (220). *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-14 Copyright  2017 Cummins Inc.
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  *4. If there is a ground output at A32 J4-3, and yet bad. there is no B+ output at A31 J4-2; then A31 is bad. Replace A31. *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-15 Copyright  2017 Cummins Inc.
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  CRANK” message—and the generator set or recognized does not crank; A32 is bad. Replace, A32. a remote start start signal. *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-16 Copyright  2017 Cummins Inc.
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  3. If there is no +16 volt supply voltage at A32 enabling the J4-16, A32 is bad. Replace A32. remote start logic on the digital board. *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-17 Copyright  2017 Cummins Inc.
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  (A34) to enable the remote start logic on the digital board. *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-18 Copyright  2017 Cummins Inc.
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  J4-16, replace A32. (A31) to enable the remote start logic on the digital board. *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-19 Copyright  2017 Cummins Inc.
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  5. Engine fuel injection or other engine 5. Refer to the engine service manual. problem. *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-20 Copyright  2017 Cummins Inc.
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  *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-21 Copyright  2017 Cummins Inc.
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  (220). (221) message NOTE: The engine is cranking but shutting down on a 221 fault. *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-22 Copyright  2017 Cummins Inc.
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  If the pressure signal does get to A31 J2-23, re- fer to the analog/digital troubleshooting proce- dure (Table 4-30a/b). *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-23 Copyright  2017 Cummins Inc.
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  If the control does not respond to the simu- lator, refer to the high coolant temp trou- bleshooting procedure. *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-24 Copyright  2017 Cummins Inc.
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  Coolant temp on front panel display is OK. DS3 on the engine interface board, A31, is off. *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-25 Copyright  2017 Cummins Inc.
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  4-31), replace A33. If voltage is OK, refer to the analog/ digital troubleshooting procedure (Table 4-30a/b). *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-26 Copyright  2017 Cummins Inc.
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   If the fault returns after resetting the con- trol, replace A32. DS2 on the engine interface board, A31, is off. *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-27 Copyright  2017 Cummins Inc.
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  Verify the accuracy of the PCC L1N voltage, and then refer to the analog/ digital troubleshooting procedure (Table 4-30a/b). *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-28 Copyright  2017 Cummins Inc.
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   If the duty cycle goes to zero and the generator set shuts down on overspeed, replace A38. *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-29 Copyright  2017 Cummins Inc.
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  A31. If the voltage at A33 J1-31 is OK, isolate to A33 or A32 using the analog input troubleshoot- ing procedure (Table 4-30a/b). *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-30 Copyright  2017 Cummins Inc.
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   If the fault drops out and does not return, replace A31.  If the fault returns after resetting the con- trol, replace A32. *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-31 Copyright  2017 Cummins Inc.
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  DS13 (A34) is  If the fault returns after resetting the con- off. trol, replace A32. *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-32 Copyright  2017 Cummins Inc.
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  2. If the control generates the same EEPROM ERROR message, replace the digital board (A32). *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-33 Copyright  2017 Cummins Inc.
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  − perform the Rack Position Fault/ Test Procedure at the end of this section. *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-34 Copyright  2017 Cummins Inc.
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  A 34 CUSTOMER FAULT CONNECTOR FAULT # CODE J2-3 Rack Position DS11 J2-24 DS15 J2-9 J2-15 *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-35 Copyright  2017 Cummins Inc.
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  A32 J4, and open J4-2. If DS9 goes out, replace A32. If DS9 stays on replace A31. (Continued) *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-36 Copyright  2017 Cummins Inc.
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  If the voltages are balanced, go to step 5. If the voltages are unbalanced, replace the customer interface board. (Continued) *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-37 Copyright  2017 Cummins Inc.
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  6. The problem may be in the generator 6. Refer to the alternator servicing procedures in set itself. Section 6. *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-38 Copyright  2017 Cummins Inc.
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  A37/DS2 is not on, check the harness.  If the harness is OK, replace A37. (Continued) *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-39 Copyright  2017 Cummins Inc.
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  If these are OK, then check the ana- log and digital boards, using the analog input troubleshooting procedure (Table 4-29a/b). *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-40 Copyright  2017 Cummins Inc.
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  A31 J4-19 and A31 J1-14 to A31 J4-12. If no continuity, replace A31.  A32 — If A31 is OK, replace A32 *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-41 Copyright  2017 Cummins Inc.
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  5. The problem may be the analog board procedure (Table 4-30a/b). Check the bad (A33) or the digital board (A32). phase or phases. *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-42 Copyright  2017 Cummins Inc.
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  If the display reads 0, replace the analog board. If the display reads a value other than 0, replace the digital board. *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-43 Copyright  2017 Cummins Inc.
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  If the 5 VDC and the 12 VDC voltages are not OK with A32 J3 disconnected, replace the digital board. *CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs. 4-44 Copyright  2017 Cummins Inc.
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  5. Must have L1, L2, L3, Bus L1, Bus L2, and Bus L3 for these outputs. 6. L1, L2, and L3 can be 0 to 180 out of phase with Bus L1, Bus L2, and Bus L3, respectively. 4-45 Copyright  2017 Cummins Inc.
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  Switched B+ (to TB1 customer terminal block) Module Governor Output A38-F1 15 Amp Left actuator Module Governor Output A38-F2 15 Amp Right actuator Module TB-Bat (Engine 20 Amp Customer B+ (to TB1 customer terminal block) Harness Assembly) 4-46 Copyright  2017 Cummins Inc.
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  Yes: Replace blown fuse and restart genera- Engine Torque Adjustment procedure must be tor set. performed after replacement of fuel pump or No: Go to next step. governor output module. Refer to Section 5. 4-47 Copyright  2017 Cummins Inc.
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  THIS PAGE LEFT INTENTIONALLY BLANK 4-48 Copyright  2017 Cummins Inc.
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  PT/CT Board (A36) Voltage, Current and PF. Setup and Calibration Menus (Page 5-8) Governor Output Torque Adjustment % DC Engine Torque Adjustment (Page 5-22) Module (A38) Fuel Pump Torque Adjustment % DC Engine Torque Adjustment (Page 5-22) Copyright  2017 Cummins Inc.
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  S5 POWER ON/ STANDBY SWITCH DIGITAL BOARD DISPLAY BOARD ANALOG BOARD ENGINE INTERFACE CUSTOMER INTERFACE RUN/OFF/AUTO SWITCH S12 GOVERNOR VOLTAGE OUTPUT MODULE REGULATOR OUTPUT MODULE PT/CT BOARD A36 FIGURE 5-1. CIRCUIT BOARD LOCATIONS Copyright  2017 Cummins Inc.
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  This is especially important if battery has connectors. been connected to battery charger. WRIST STRAP NON-PAINTED SURFACE GROUND LEAD CLIP FIGURE 5-2. WRIST STRAP Copyright  2017 Cummins Inc.
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  Setup, calibration, and adjustment If “INVALID SETUP” or “INVALID CAL” is displayed must be performed by technically qualified per- after saving your changes, refer to Digital Board sonnel only. (A32) Calibration at the end of this section. Copyright  2017 Cummins Inc.
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  DELTA / WYE  _______ >> < > < > ENGINE < SAVE >> > < ADJUST >> > TO LOOP BACK & CHECK: STANDBY/PRIME  SAVE >> _______ >> < > < > Indicates “OR” Condition Copyright  2017 Cummins Inc.
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  Use the buttons next to the “ ” and “ ” set is shut down, but will be reset (and will not be in symbols to set the stop delay. The stop delay ad- effect) when the set is restarted. Copyright  2017 Cummins Inc.
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  > < > _______ >> < SAVE < > ENGINE < EXIT >> > ADJUST >> < >  < < SAVE VOLTAGE  < EXIT >> > < > _______ >> Indicates “OR” Condition Copyright  2017 Cummins Inc.
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  NEWER and the last (newest) error message is dis- ant temperature displays. Calibration is accom- played, or OLDER and oldest error is displayed, the plished by using this section of the menu software to display will return to the HISTORY menu. Copyright  2017 Cummins Inc.
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  > _________________ VERSION << HISTORY << < > _________________ > > SETUP/CAL >> >  < ENTER CODE RUNTIME _________  __ __ __ >> NEWER OLDER < > < > CONTINUED Indicates “OR” Condition Copyright  2017 Cummins Inc.
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  L1 to L2, L2 to L3, and set is shut down, but will be reset (and will not be in L3 to L1, respectively. effect) when the set is restarted. 5-10 Copyright  2017 Cummins Inc.
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  >> >  < VOLTS L12 CHANGES SAVED  < EXIT >> > < > _______ >> < < > SAVE DISPLAYS << < EXIT >> > < METERS >> > Indicates “OR” Condition 5-11 Copyright  2017 Cummins Inc.
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  (and will not be in tered before you can proceed to those menus. effect) when the set is restarted. 5-12 Copyright  2017 Cummins Inc.
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  < < > SAVE DISPLAYS << < EXIT >> > < METERS >> >  < < SAVE A−C VOLTS  < EXIT >> > < > ADJ TO: ___ >> Indicates “OR” Condition 5-13 Copyright  2017 Cummins Inc.
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  Press the button next to the “>>” in the display set is shut down, but will be reset (and will not be in to move to the next adjustment. effect) when the set is restarted. 5-14 Copyright  2017 Cummins Inc.
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  _______% >> < < > SAVE DISPLAYS << EXIT >> METERS >> < > < >  < < GOV GAIN SAVE  < EXIT >> > < _______% >> > Indicates “OR” Condition 5-15 Copyright  2017 Cummins Inc.
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  Press the button next to the “>>” To enter the desired customer fault message, press in the display to move to the next adjustment. the button next to the “>>” in the display to display 5-16 Copyright  2017 Cummins Inc.
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  Troubleshooting section of the set is shut down, but will be reset (and will not be in Operator’s manual for this generator set. effect) when the set is restarted. 5-17 Copyright  2017 Cummins Inc.
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  (7 to 20) >> >> > >  REST TIME − SEC <  (7 to 20) >> < < > > SYSTEM OF UNITS  MET/ IMP >> < > CONTINUED Indicates “OR” Condition 5-18 Copyright  2017 Cummins Inc.
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  < > < < > SAVE DISPLAYS << EXIT >> METERS >> < > < > < SAVE CYCLE CRANK  EXIT >> < > < ON / OFF >> > Indicates “OR” Condition 5-19 Copyright  2017 Cummins Inc.
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  2. With the generator set OFF, attach a calibrated frequency/voltmeter to the AC output from L1 15. If no calibration was made, select EXIT. If a cal- to L2. ibration was made, SAVE, then EXIT. 5-20 Copyright  2017 Cummins Inc.
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  40. Calibrate the analog Frequency meter to the 27. Calibrate the reading for PF1 so that the read- digitally displayed value. ing on the digital display agrees with power fac- tor meter. 41. SAVE, then EXIT. 5-21 Copyright  2017 Cummins Inc.
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  3. Load the generator set to maximum rated kVA ing components (customer terminal block TB1 is at rated voltage. standard). 5-22 Copyright  2017 Cummins Inc.
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  OPTIONAL RUN RELAYS COMMON ALARM K11, K12 & K13 TB1-1 RELAY K14 TB1-40 OPTIONAL RTD RELAY OPTIONAL THERMISTOR  RELAY 160/140 GOVERNOR OUTPUT MODULE VOLTAGE REGULATOR OUTPUT MODULE PT/CT BOARD A36 FIGURE 5-3. ACCESSORY BOX COMPONENTS 5-23 Copyright  2017 Cummins Inc.
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  B+: This is a fused 20 amp, 24 volt output. (Fuse is mode, grounding this input causes alternator build located on TB-BAT terminal block of the engine har- up to be inhibited and the engine to be governed at ness.) 5-24 Copyright  2017 Cummins Inc.
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  5-4) are used to control auxiliary equipment such as K11, K12, K13 CUSTOMER K11, K12, K13 CONNECTIONS K11, K12, K13 RUN RELAY RUN RELAY RUN RELAY COIL A40-TB1-4 A40-TB1-2 (B-) (SWITCHED B+) FIGURE 5-4. OPTIONAL RUN RELAYS (K11, K12, K13) 5-25 Copyright  2017 Cummins Inc.
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  3 amps at 480/600 VAC, 80%PF CUSTOMER CONNECTIONS JUMPER WIRE REQUIRED FOR K14 COMMON ALARM RELAY OPTION A40-TB1-4 (GND) A40-TB1-8 (COMMON ALARM) COIL A40-TB1-7 A40-TB1-1 (COMMON ALARM) (B+) FIGURE 5-5. OPTIONAL ALARM RELAY (K14) 5-26 Copyright  2017 Cummins Inc.
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  LED’s indicate the state of the output relay (green 24 VDC, 25 amps resistive TEMPERATURE RELAY CONNECTIONS TO RTD TERMINAL BLOCK PWR (−) WHITE A40TB1-4 OUTPUT RELAY WHITE (GROUND) 24 VDC (CUSTOMER USE) A40TB1-2 (SWITCHED B+) FIGURE 5-6. RTD RELAY (OPTIONAL) 5-27 Copyright  2017 Cummins Inc.
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  1 amp at 480 VAC shut-down circuit. The relay will energize (trip) THERMISTORS WHITE/RED A B C BLUE FAULT CHANNELS A40-TB1-4 (CUSTOMER (GROUND) CONNECTIONS) A40-TB1-2 (SWITCHED B+) RELAY CONTACTS FIGURE 5-7. THERMISTOR RELAY (OPTIONAL) 5-28 Copyright  2017 Cummins Inc.
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  Figures 5-8 shows the locations of the oil and cool- ground (battery negative [−]). The low coolant level ant temperature and oil pressure senders to which switch has its own ground wire. 5-29 Copyright  2017 Cummins Inc.
• Page 112
  LOW COOLANT LOW COOLANT LEVEL SWITCH TEMPERATURE SWITCH COOLANT TEMPERATURE SENDER OIL PRESSURE OIL TEMPERATURE SENDER (FAR SIDE) SENDER (FAR SIDE) FIGURE 5-8. ENGINE SENSOR LOCATIONS 5-30 Copyright  2017 Cummins Inc.
• Page 113
  That can damage blades and cause prop- the mounting hole. Thread the sensor in gently by erty damage and personal injury. SENSOR ENGINE FLYWHEEL RING GEAR FIGURE 5-9. MPU SENSOR 5-31 Copyright  2017 Cummins Inc.
• Page 114
  (conventional cur-  The lead from CT terminal #2/3 connects rent flowing into the dot). A dot is also used to indicate pin 1 of the CT. to ground. 5-32 Copyright  2017 Cummins Inc.
• Page 115
  Torque 0326−6051 0326−6053 0326−6046 0326−0198 −−− DFHA DFHA DFHC DFHA DFHB DFHB DFHA DFHC DFHB DFHC DFHB DFHC DFHD DFHD DFHC −−− −−−− −−−− −−−− −−−− −−−− DFHE −−−− −−−− DFHF −−−− −−−− DFHG 5-33 Copyright  2017 Cummins Inc.
• Page 116
  See control rating calibration procedure. FIGURE 5-10. DIGITAL BOX 5-34 Copyright  2017 Cummins Inc.
• Page 117
  EXCITER RECONNECTION STATOR TERMINALS END BRACKET STATOR STATOR BEARING BLOWER ROTOR COUPLING EXCITER ROTOR ROTATING RECTIFIER ASSEMBLY ROTOR DRIVE DISCS FRAME END BRACKET/ENGINE ADAPTOR AIR DISCHARGE PRESSURE COVERS ROTOR PLATE SHAFT FIGURE 6-1. TYPICAL ALTERNATOR Copyright  2017 Cummins Inc.
• Page 118
  (brown wire) of P10-3. If one of the 12 volt first. Perform the Winding Resistance Test pro- cranking batteries is used, bring the jumpers cedure for the desired windings as noted in this from the battery connected on the grounded section. Copyright  2017 Cummins Inc.
• Page 119
  SETTING STATOR STATOR 10.0 − 1.0 10.0 − 1.0 10.0 − 1.0 10.0 − 1.0 600 VAC or less 5.0 − 1.0 5.0 − 1.0 5.0 − 1.0 5.0 − 1.0 600 VAC or less Copyright  2017 Cummins Inc.
• Page 120
  P10 from connector J10 hour, then repeat the insulation resistance of the voltage regulator output module (A37). tests. If further drying time is indicated, contin- See Figure 3-11. ue the drying process. Copyright  2017 Cummins Inc.
• Page 121
  0.002 0.158 1.44 0.0037 0.0148 0.011 0.158 1.54 0.0027 0.0108 0.0072 0.158 1.73 0.0024 0.0096 0.006 0.158 1.95 0.0019 0.0076 0.0052 * Resistance figures are approximates, at 68  F (20  C) + 10%. Copyright  2017 Cummins Inc.
• Page 122
  (ONE OF SIX) PIGTAIL FROM THE TERMINAL AND MEASURE ELECTRICAL RESISTANCE BETWEEN THE DIODE PLATES PIGTAIL AND THE METAL (TWO) PLATE UNDER THE DIODE SURGE SUPPRESSER REMOVE TO TEST FIGURE 6-3. TESTING THE ROTATING RECTIFIER ASSEMBLY Copyright  2017 Cummins Inc.
• Page 123
  CONNECTED AND THE ROTOR LAMINATIONS MAIN ROTOR LEADS WINDING SCHEMATIC DISCONNECT THE SIX ROTOR WINDING LEADS FROM THEIR TERMINALS AND MEASURE ELECTRICAL RESISTANCE ACROSS EACH PAIR OF WINDINGS: U-V, V-W, W-U FIGURE 6-4. TESTING THE EXCITER ROTOR Copyright  2017 Cummins Inc.
• Page 124
  MEASURE WINDING INSULATION RESISTANCE BETWEEN EITHER ROTOR LEAD AND THE ROTOR LAMINATIONS DISCONNECT THE MAIN ROTOR LEADS FROM THE ROTATING RECTIFIER ASSEMBLY AND MEASURE THE WINDING RESISTANCE BETWEEN THEM FIGURE 6-5. TESTING THE MAIN ROTOR Copyright  2017 Cummins Inc.
• Page 125
  Before performing the following insulation resist- ance test, refer to the Insulation Resistance Test pro- Repeat this step in turn for the other two phases. cedure at the beginning of this section. WHEATSTONE BRIDGE FIGURE 6-6. TESTING THE ALTERNATOR STATOR Copyright  2017 Cummins Inc.
• Page 126
  1. Disconnect plug J10 from the voltage regulator output stage module. bridge or digital ohmmeter. The resistance should be 2.6 10% ohms for frame size P7 2. Start the engine at the set and let the speed sta- bilize. and HC6. 6-10 Copyright  2017 Cummins Inc.
• Page 127
  BEARING P7 alternator component parts cannot be ordered from Cummins. Refer to the Newage nameplate INSPECTION/REMOVAL/REPLACEMENT and supply all available information. Contact your The end bearing is enclosed in a pre-packed ma- nearest Newage distributor for assistance in order- chined cartridge.
• Page 128
  When replacing bearing onto rotor shaft, be sure to bearing cap cavity, and the bearing cartridge apply pressing force to the inner face of the bearing only. cavity. 6-12 Copyright  2017 Cummins Inc.
• Page 129
  Prevent accidental starting by disconnecting 5. HC6 Control Housing: Install the control hous- the negative (−) cable from the battery terminal. ing grille and access covers (see Figure 6-7). 6-13 Copyright  2017 Cummins Inc.
• Page 130
  FIGURE 6-7. HC6 ALTERNATOR AND CONTROL HOUSING ASSEMBLY CONTROL HOUSING CONTROL HOUSING ACCESS COVERS (BOTH SIDES) ASSEMBLY ALTERNATOR ALTERNATOR AIR INLET AIR DISCHARGE COVER (ROTATING COVERS RECTIFIER ACCESS FIGURE 6-8. P7 ALTERNATOR AND CONTROL HOUSING ASSEMBLY 6-14 Copyright  2017 Cummins Inc.
• Page 131
  Replace panel fasten- cated inside the accessory box. 6. Use a hoist or similar lifting device to support ers to their respectable positions for safe the control housing assembly (see Figure 6-9). keeping, and tighten finger-tight. 6-15 Copyright  2017 Cummins Inc.
• Page 132
  PLACE SLING STRAPS THROUGH HOUSING ACCESSORY (P7 OR HC6 HOUSING) RECONNECTION TERMINALS FIGURE 6-9. REMOVING CONTROL HOUSING 6-16 Copyright  2017 Cummins Inc.
• Page 133
  18. Attach cables of lifting device to alternator lift- for “jacking” purposes, on the endbracket cen- ing points (Figures 6-10 or 6-11). ALTERNATOR LIFTING POSITIONS MOUNTING FEET BRACKETS FIGURE 6-10. HC6 ALTERNATOR LIFTING POSITIONS 6-17 Copyright  2017 Cummins Inc.
• Page 134
  (see Figure 6-12 or rotor shaft. Lift the rotor shaft slightly so that ro- 6-13). tor is not resting on inside of stator assembly. 20. Disconnect the grounding strap from the fly- See Figure 6-12 or 6-13. 6-18 Copyright  2017 Cummins Inc.
• Page 135
  ROTOR ASSEMBLY ASSEMBLY LIFT LIFT USE FORKLIFT OR OTHER ADEQUATE LIFTING DEVICE TO SLIGHTLY LIFT ROTOR SHAFT UNTIL ROTOR CAN BE SUPPORTED BY HOIST/SLING. STATOR ROTOR ASSEMBLY ASSEMBLY FIGURE 6-12. REMOVING HC6 STATOR ASSEMBLY 6-19 Copyright  2017 Cummins Inc.
• Page 136
  USE FORKLIFT OR STATOR ROTOR OTHER ADEQUATE ASSEMBLY ASSEMBLY LIFTING DEVICE TO LIFT LIFT SLIGHTLY LIFT ROTOR SHAFT UNTIL ROTOR CAN BE SUPPORTED BY HOIST/SLING. STATOR ROTOR ASSEMBLY ASSEMBLY FIGURE 6-13. REMOVING P7 STATOR ASSEMBLY 6-20 Copyright  2017 Cummins Inc.
• Page 137
  To avoid assembly. Do not allow rotor assembly to hang possible distortion, do not allow the drive discs on engine flywheel. and fan to rest on anything. 6-21 Copyright  2017 Cummins Inc.
• Page 138
  STATOR BLOWER BEARING COUPLING ROTOR EXCITER ROTOR ROTATING RECTIFIER ASSEMBLY ROTOR DRIVE FRAME DISCS ENDBRACKET/ENGINE ADAPTOR AIR DISCHARGE COVERS ROTOR PRESSURE SHAFT PLATE STATOR LIFT (EXAMPLE) ROTOR LIFT (EXAMPLE) FIGURE 6-14. TYPICAL ALTERNATOR ASSEMBLY 6-22 Copyright  2017 Cummins Inc.
• Page 139
  Carefully remove the capscrews a piece of wood beneath the stator housing (to- securing the engine adaptor endbracket to the ward PMG end) to allow for endbracket remov- engine flywheel housing. al, if desired. 6-23 Copyright  2017 Cummins Inc.
• Page 140
  95−105 ft-lb (129−142 Nm). 13. Securely tighten the endbracket fasteners. 3. Secure the rotor assembly to the flywheel. Tighten fasteners to 150−180 ft-lb (204−245 14. Tighten the bearing cartridge fasteners to 4.5 Nm). ft-lb (6 Nm) torque. 6-24 Copyright  2017 Cummins Inc.
• Page 141
  Tighten fasteners to 150−180 ft-lb ing and install the capscrews and lock wash- (204−245Nm) Do not allow rotor assembly to ers. Tighten fasteners to 95−105 ft-lb (129−142 hang on engine flywheel. Nm). 6-25 Copyright  2017 Cummins Inc.
• Page 142
  (6 Nm) torque. cess covers to control housing. 34. Install the PMG assembly, if removed. Refer to 43. Connect the negative (-) battery cable and test Permanent Magnet (PMG) Installation. the generator set for operation. 6-26 Copyright  2017 Cummins Inc.
• Page 143
  Misalignment Symptoms: If the assembly is al- tions and/or mishandling during shipping of the gen- lowed to run under these conditions, the discs must erator set. 6-27 Copyright  2017 Cummins Inc.
• Page 144
  SEE DETAIL A DIAL CLAMP INDICATOR FLEX DISCS ALTERNATOR MOUNTING BOLT AND ENGINE AXIAL TO DISC CRANKSHAFT ALIGNMENT, SEE MEASUREMENT CENTERLINE FIGURE 6-17 DETAIL A SHIMS FIGURE 6-15. ANGULAR ALIGNMENT MEASUREMENT 6-28 Copyright  2017 Cummins Inc.
• Page 145
  +.002 at the top and -.009 at the bottom coupling distance is 10.7in). would fall within the satisfactory range.) +.010 +.010 MEASURED AT BOLT CIRCLE DIAMETER -.002 -.004 10.7 IN. -.010 -.010 -.015 -.015 FIGURE 6-16. ANGULAR ALIGNMENT MEASUREMENT READINGS (Example) 6-29 Copyright  2017 Cummins Inc.
• Page 146
  ANGULAR ALIGNMENT, SEE FIGURE 6-15 ALTERNATOR SHAFT HUB DIAL INDICATOR ALTERNATOR CLAMP AND ENGINE SEE DETAIL A CRANKSHAFT FAN HOUSING CENTERLINE DETAIL A FIGURE 6-17. HC6 AXIAL ALIGNMENT MEASUREMENT 6-30 Copyright  2017 Cummins Inc.
• Page 147
  A small improvement in the axial alignment may have dramatic effects in the measured or physically Review vibration data and position drive disc in low- observed vibration levels. est recorded level location. 6-31 Copyright  2017 Cummins Inc.
• Page 148
  THIS PAGE LEFT INTENTIONALLY BLANK 6-32 Copyright  2017 Cummins Inc.
• Page 149
  8 for customer connections to remote annunciators. dicate that fuel is detected in the fuel tank basin. EXTERNAL FUEL TRANSFER FUEL ALARM PUMP AND CONTROL PANEL INTERNAL FUEL ALARM PANEL FIGURE 7-1. FUEL TANK SYSTEM OPTIONAL COMPONENTS Copyright  2017 Cummins Inc.
• Page 150
   TEST: This switch will activate the pump for as long as the switch is in the Test position. All alarm functions will operate accordingly. Pump-on and pump-off float switches will re- main de-energized. Copyright  2017 Cummins Inc.
• Page 151
  FIGURE 7-2. TRANSFER PUMP CONTROL FRONT PANEL Copyright  2017 Cummins Inc.
• Page 152
  OVERFILL FUEL INDICATOR/ GAUGE TEST BUTTON HORN HORN SILENCE BUTTON HORN SILENCE/ TEST BUTTON INTERNAL ALARM PANEL HORN EXTERNAL ALARM PANEL FIGURE 7-3. EXTERNAL AND INTERNAL ALARM PANELS Copyright  2017 Cummins Inc.
• Page 153
  1. Remove the pipe fitting/switch assembly from 5. Apply thread sealant to pipe fitting and install the rupture basin tank. switch assembly. ENCLOSURE SUB-BASE LEAK DETECT FUEL TANK SWITCH ASSEMBLY FIGURE 7-4. RUPTURE BASIN LEAK DETECT SWITCH Copyright  2017 Cummins Inc.
• Page 154
  THIS PAGE LEFT INTENTIONALLY BLANK Copyright  2017 Cummins Inc.
• Page 155
  Page 8-23, Sequence of Operation (Local  Page 8-11, Customer Interface Board (A34) Emergency Stop)  Page 8-12, Display Board (A35)  Page 8-24 through 8−28, Enclosure/Options  Page 8-13, PC/CT Board (A36) Wiring Diagrams Copyright  2017 Cummins Inc.
• Page 156
  Copyright  2017 Cummins Inc.
• Page 157
  (CT) must face the gen- erator. A dot is also used to mark terminal 1. CT terminal 1 connects to the metering circuit. Terminal 2/3 connects to ground. No. 625−3100 sh1 of 2 Rev. A Sys:C ADAM Modified 11/30/94 Copyright  2017 Cummins Inc.
• Page 158
  THIS IS A REPRESENTATIVE (GENERIC) SCHEMATIC/WIRING DIAGRAM. FOR TROUBLESHOOTING, REFER TO THE WIRING DIAGRAM PACKAGE THAT WAS INCLUDED WITH YOUR GENSET. No. 625−3100 sh 2 of 2 Rev. A Sys:CADA Modified 11/30/94 Copyright  2017 Cummins Inc.
• Page 159
  THIS IS A REPRESENTATIVE (GENERIC) SCHEMATIC/WIRING DIAGRAM. FOR TROUBLESHOOTING, REFER TO THE WIRING DIAGRAM PACKAGE THAT WAS INCLUDED WITH YOUR GENSET. (OPTION- No. 612−6700 sh 1of 3 Rev. A Sys: HP Modified 11/20/95 Copyright  2017 Cummins Inc.
• Page 160
  THIS IS A REPRESENTATIVE (GENERIC) SCHEMATIC/WIRING DIAGRAM. FOR TROUBLESHOOTING, REFER TO THE WIRING DIAGRAM PACKAGE THAT WAS INCLUDED WITH YOUR GENSET. (OPTION- No. 612−6700 sh 2of 3 Rev. A Sys: HP Modified 11/20/95 Copyright  2017 Cummins Inc.
• Page 161
  THIS IS A REPRESENTATIVE (GENERIC) SCHEMATIC/WIRING DIAGRAM. FOR TROUBLESHOOTING, REFER TO THE WIRING DIAGRAM PACKAGE THAT WAS INCLUDED WITH YOUR GENSET. sh 3 of 3 Rev. Sys: Modified Copyright  2017 Cummins Inc.
• Page 162
  THIS IS A REPRESENTATIVE (GENERIC) SCHEMATIC/WIRING DIAGRAM. FOR TROUBLESHOOTING, REFER TO THE WIRING DIAGRAM PACKAGE THAT WAS INCLUDED WITH YOUR GENSET. h of Rev. Modified NO. 300-4819 sht 1 of 4 REV. A MODIFIED 11/29/95 Copyright  2017 Cummins Inc.
• Page 163
  THIS IS A REPRESENTATIVE (GENERIC) SCHEMATIC/WIRING DIAGRAM. FOR TROUBLESHOOTING, REFER TO THE WIRING DIAGRAM PACKAGE THAT WAS INCLUDED WITH YOUR GENSET. NO. 300−4079 REV. D MODIFIED 6/3/94 Copyright  2017 Cummins Inc.
• Page 164
  THIS IS A REPRESENTATIVE (GENERIC) SCHEMATIC/WIRING DIAGRAM. FOR TROUBLESHOOTING, REFER TO THE WIRING DIAGRAM PACKAGE THAT WAS INCLUDED WITH YOUR GENSET. NO. 300−4080 REV.C MODIFIED 6/6/94 Copyright  2017 Cummins Inc. A-10…
• Page 165
  THIS IS A REPRESENTATIVE (GENERIC) SCHEMATIC/WIRING DIAGRAM. FOR NO. 300−4462 sh1 TROUBLESHOOTING, REFER TO THE REV. B WIRING DIAGRAM PACKAGE THAT WAS MODIFIED 6/7/94 INCLUDED WITH YOUR GENSET. Copyright  2017 Cummins Inc. A-11…
• Page 166
  THIS IS A REPRESENTATIVE (GENERIC) SCHEMATIC/WIRING DIAGRAM. FOR TROUBLESHOOTING, REFER TO THE WIRING DIAGRAM PACKAGE THAT WAS INCLUDED WITH YOUR GENSET. NO. 300−4286 sh 1 REV. G Sys. HP MODIFIED 3/17/95 Copyright  2017 Cummins Inc. A-12…
• Page 167
  THIS IS A REPRESENTATIVE (GENERIC) SCHEMATIC/WIRING DIAGRAM. FOR TROUBLESHOOTING, REFER TO THE WIRING DIAGRAM PACKAGE THAT WAS INCLUDED WITH YOUR GENSET. NO. 300−4250 sh1 REV. C SYS. HP MODIFIED 1/24/95 Copyright  2017 Cummins Inc. A-13…
• Page 168
  THIS IS A REPRESENTATIVE (GENERIC) SCHEMATIC/WIRING DIAGRAM. FOR TROUBLESHOOTING, REFER TO THE WIRING DIAGRAM PACKAGE THAT WAS INCLUDED WITH YOUR GENSET. NO. 300−4085 REV. F MODIFIED 6/7/94 Copyright  2017 Cummins Inc. A-14…
• Page 169
  THIS IS A REPRESENTATIVE (GENERIC) SCHEMATIC/WIRING DIAGRAM. FOR TROUBLESHOOTING, REFER TO THE WIRING DIAGRAM PACKAGE THAT WAS INCLUDED WITH YOUR GENSET. NO.300-4724 sh1 REV. D MODIFIED 4/1/96 Copyright  2017 Cummins Inc. A-15…
• Page 170
  THIS IS A REPRESENTATIVE (GENERIC) SCHEMATIC/WIRING DIAGRAM. FOR TROUBLESHOOTING, REFER TO THE WIRING DIAGRAM PACKAGE THAT WAS INCLUDED WITH YOUR GENSET. NO. 338−3019 sh1 REV. C MODIFIED 6/9/94 Copyright  2017 Cummins Inc. A-16…
• Page 171
  No. 338−3377 sh 2of 2 Rev. C Sys: revisio Modified 11/12/96 Copyright  2017 Cummins Inc. A-17…
• Page 172
  WIRING DIAGRAM PACKAGE THAT WAS INCLUDED WITH YOUR GENSET. TO PCC BACK PANEL TO PT/CT MODULE TO CONTROL BOX (PCC) HEATER TO J12 OF ENGINE HARNESS No. 338−3199 sh1 Rev. C Sys:CADAM Modified 11/30/94 Copyright  2017 Cummins Inc. A-18…
• Page 173
  TB1-19 and TB1-20. 2. Tag the control box to indicate supply voltage. See Note See Note NO. 625-2141 REV. H MODIFIED Copyright  2017 Cummins Inc. A-19…
• Page 174
  THIS IS A REPRESENTATIVE (GENERIC) SCHEMATIC/WIRING DIAGRAM. FOR TROUBLESHOOTING, REFER TO THE WIRING DIAGRAM PACKAGE THAT WAS INCLUDED WITH YOUR GENSET. NO.630−1345 sh1 REV. E MODIFIED 6/29/94 Copyright  2017 Cummins Inc. A-20…
• Page 175
  No. 612-6679 sh 1 of 2 Rev. B Sys: HP Modified 11/21/95 Copyright  2017 Cummins Inc. A-21…
• Page 176
  No. 612-6679 sh 2 of 2 Rev. B Sys: HP Modified 11/21/95 Copyright  2017 Cummins Inc. A-22…
• Page 177
  NO.612−6680 sh10f1 REV. A MODIFIED 8/25/94 Copyright  2017 Cummins Inc. A-23…
• Page 178
  THIS IS A REPRESENTATIVE (GENERIC) SCHEMATIC/WIRING DIAGRAM. FOR TROUBLESHOOTING, REFER TO THE WIRING DIAGRAM PACKAGE THAT WAS INCLUDED WITH YOUR GENSET. No. 630-2672 sh 1 of 4 Rev. B Modified 10-03 ENCLOSURE/OPTIONS WIRING DIAGRAMS (SHEET 1 OF 5) Copyright  2017 Cummins Inc. A-24…
• Page 179
  THIS IS A REPRESENTATIVE (GENERIC) SCHEMATIC/WIRING DIAGRAM. FOR TROUBLESHOOTING, REFER TO THE WIRING DIAGRAM PACKAGE THAT WAS INCLUDED WITH YOUR GENSET. No. 630-2672 sh 2 of 4 Rev. B Modified 10-03 ENCLOSURE/OPTIONS WIRING DIAGRAMS (SHEET 2 OF 5) Copyright  2017 Cummins Inc. A-25…
• Page 180
  THIS IS A REPRESENTATIVE (GENERIC) SCHEMATIC/WIRING DIAGRAM. FOR TROUBLESHOOTING, REFER TO THE WIRING DIAGRAM PACKAGE THAT WAS INCLUDED WITH YOUR GENSET. No. 630-2672 sh 3 of 4 Rev. B Modified 10-03 ENCLOSURE/OPTIONS WIRING DIAGRAMS (SHEET 3 OF 5) Copyright  2017 Cummins Inc. A-26…
• Page 181
  THIS IS A REPRESENTATIVE (GENERIC) SCHEMATIC/WIRING DIAGRAM. FOR TROUBLESHOOTING, REFER TO THE WIRING DIAGRAM PACKAGE THAT WAS INCLUDED WITH YOUR GENSET. No. 630-2672 sh 4 of 4 Rev. B Modified 10-03 ENCLOSURE/OPTIONS WIRING DIAGRAMS (SHEET 4 OF 5) Copyright  2017 Cummins Inc. A-27…
• Page 182
  VALVE (USED WITH SPILL FILL BOX) HIGH FUEL FUEL GAUAGE ALARM PANEL WIRING WITHOUT TRANSFER PUMP CONTROL No. 541-1066 sh 2/3 of 3 Rev. B Modified 12-03 ENCLOSURE/OPTONS WIRING DIAGRAMS (SHEET 5 OF 5) Copyright  2017 Cummins Inc. A-28…
• Page 183
  Copyright E 2017 Cummins Inc. All rights reserved. Cummins, the “C” logo, PowerCommand, AmpSentry, and InPower are trademarks of Cummins Inc. Other company, product, or service names may be trademarks or service marks of others. Specifications are subject to change without notice.

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