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PART NO.
ENMJAA-NACW1-1
Operator’s Manual
470LC
670LC
870LC
Hydraulic Excavator
Counterweight Removal
Serial No. 20001 and up
-5B
-5B
-5B
Related Manuals for Hitachi ZAXIS 470LC-5B
Summary of Contents for Hitachi ZAXIS 470LC-5B
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Page 1
PART NO. ENMJAA-NACW1-1 Operator’s Manual 470LC 670LC 870LC Hydraulic Excavator Counterweight Removal Serial No. 20001 and up… -
Page 2
INTRODUCTION This operation manual describes the basic information and operation procedure of the counterweight removal/install device of the Hitachi hydraulic excavator model ZX470LC-5B/670LC-5B/870LC-5B. Refer to «Operator’s Manual ZX470-5 class/670-5 class/870-5 class» for information not covered in this manual. The hydraulics installed on this machine are adjusted at the factory. Never attempt to adjust the hydraulics. Failure to do so may cause serious accident or damage to the machine. -
Page 3
CONTENTS SAFETY …………….S-1 Recognize Safety Information …………S-1 Understand Signal Words ………….S-1 Follow Safety Instructions …………S-2 Inspect Machine …………….S-2 Move and Operate Machine Safely ………..S-3 OPERATOR’S STATION …………1 Counterweight Removal/Install Device ……..1 Counterweight Removal/Install Switch ………1 Counterweight Removal/Install Device Alarm ….2 COUNTERWEIGHT REMOVAL ………..3 Counterweight Removal …………..3 COUNTERWEIGHT INSTALLATION ………10… -
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CONTENTS MEMO ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………….. -
Page 5
SAFETY Recognize Safety Information These are the SAFETY ALERT SYMBOLS. When you see these symbols on your machine or in this manual, be alert to the potential for personal injury. Follow recommended precautions and safe operating practices. 001-E01A-0001 SA-688 Understand Signal Words… -
Page 6
SAFETY Follow Safety Instructions Carefully read and follow all safety signs on the machine and all safety messages in this manual. Safety signs should be installed, maintained and replaced when necessary. If a safety sign or this manual is damaged or missing, order a replacement from your authorized dealer in the same way you order other replacement parts (be sure to state machine model and serial number when ordering). -
Page 7
SAFETY Move and Operate Machine Safely Bystanders can be run over. Take extra care not to run over bystanders. Confirm the location of bystanders before moving, swinging, or operating the machine. Always keep the travel alarm and horn in working condition (if equipped). -
Page 8
SAFETY MEMO ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………….. -
Page 9
OPERATOR’S STATION Counterweight Removal/Install Device Counterweight Removal/Install Switch The switch is located on the optional switch panel in the cab. Position pilot shut-off lever to LOCK position and toggle the counterweight removal/install switch (1) to the ON position. The counterweight removal/install device becomes usable and icon (2) will be displayed on the monitor. -
Page 10
OPERATOR’S STATION Counterweight Removal/Install Device Alarm When oil pressure in the counterweight removal/install device cylinder increases, an alarm sounds continuously and background of icon (2) turns red on the monitor. Icon indicates warning situation. (Red background) IMPORTANT: MJAA-NACW1-003 Do not operate the machine if the buzzer sounds when the counterweight is fully installed. -
Page 11
COUNTERWEIGHT REMOVAL Counterweight Removal IMPORTANT: Do not attempt to remove or install counterweight with the track gauge in the narrow (transport) position. Before removing or installing the counterweight, the track gauge must be widened to the work position. IMPORTANT: Remove the counterweight on level and solid surface. -
Page 12
COUNTERWEIGHT REMOVAL IMPORTANT: If the device is not properly lubricated through the grease fittings, moving parts may bind, and the counterweight may not go to the top even though the cylinder operates normally. 8. Lubricate all grease fittings on the counterweight removal/install device before starting operation. -
Page 13
COUNTERWEIGHT REMOVAL 12. Remove cover (16) from the counterweight removal/ install operation lever. 13. Disconnect rear view camera connector (15). Bundle up the cables of the disconnected connectors at the counterweight side to prevent them from being caught on the machine when removing and installing the counterweight. -
Page 14
COUNTERWEIGHT REMOVAL 14. Run machine with the engine control dial (18) set to the fully counterclockwise position (slow idle). Start the engine. Slow Idle M1U1-01-033 15. Toggle counterweight removal/install switch (19) ON. Ensure counterweight removal/install icon (20) is displayed on the monitor screen. MJAA-NACW1-004 MJAA-NACW1-003… -
Page 15
COUNTERWEIGHT REMOVAL CAUTION: To ensure good footing and visibility, always stand on the machine service walk when operating counterweight removal/install operation lever (21). To avoid possible personal injury, keep fingers clear of the movable part of slots (22) and the linkage when operating cylinder. -
Page 16
COUNTERWEIGHT REMOVAL 21. Slowly move the counterweight removal/install operation lever UP until counterweight bottom bosses (26) move away from machine’s main frame (25) by approximately 2 to 5 mm (0.1 to 0.2 in.) (B). This will ensure the weight of the counterweight is supported by the lift cylinder. -
Page 17
COUNTERWEIGHT REMOVAL IMPORTANT: Do not operate the counterweight removal/ install operation lever to the full stroke. Operate the cylinder as slow as possible. 24. Slowly lower the counterweight to the ground until full weight is removed from the linkage, and lifting yokes (6) move freely in slots (22). -
Page 18
COUNTERWEIGHT INSTALLATION Counterweight Installation IMPORTANT: Do not attempt to remove or install counterweight with the track gauge in the narrow (transport) position. Before removing or installing the counterweight, the track gauge must be widened to the work position. IMPORTANT: Install the counterweight on a level and solid surface. -
Page 19
COUNTERWEIGHT INSTALLATION IMPORTANT: If the device is not properly lubricated through the grease fittings, moving parts may bind, and the counterweight may not go to the top even though the cylinder operates normally. 8. Lubricate all grease fittings on the counterweight removal/install device before starting operation. -
Page 20
COUNTERWEIGHT INSTALLATION 11. Run machine with the engine control dial (18) set to the fully counterclockwise position (slow idle). Start the engine. Slow Idle M1U1-01-033 12. Toggle counterweight removal/install switch (19) ON. Ensure counterweight removal/install icon (20) is displayed on the monitor screen. MJAA-NACW1-004 MJAA-NACW1-003… -
Page 21
COUNTERWEIGHT INSTALLATION CAUTION: To ensure good footing and visibility, always stand on the machine service walk when operating counterweight removal/install operation lever. To avoid possible personal injury, keep fingers clear of the movable part of slots (22) and the linkage when operating cylinder. -
Page 22
COUNTERWEIGHT INSTALLATION 15. When installing the counterweight for the first time, check the adjustment of removal/install device according to the procedure given below. When installing counterweight is not the first time, start from step 16. 15.1 Adjust bolts (27) of lifting yoke (6) to length (A). Length (A): 70±2 mm (2.8±0.08 in) 15.2 Slowly raise the counterweight until counterweight bosses (26) fit to the mainframe (25) holes. -
Page 23
COUNTERWEIGHT INSTALLATION 17. Slowly raise the counterweight until the bottom of the counterweight bosses (26) are aligned to the holes on main frame (25), and the clearance between counterweight bosses (26) and main frame (25) becomes 5 to 10 mm. Ensure bolts (11), spacers (14) and nuts (12) can be attached to the main frame. -
Page 24
COUNTERWEIGHT INSTALLATION 22. Slightly lower the lift cylinder until lifting yokes (6) slides backward to SET position in slots (22). SET Position Ensure the counterweight bosses (26) contact with mainframe holes (26). 23. Ensure the background of the counterweight removal/ install icon turns white and the buzzer stops. -
Page 25
COUNTERWEIGHT INSTALLATION 27. Ensure the yoke attached to the pin brackets of the counterweight is not too tight. If necessary, slightly move the cylinder up and down to adjust to the above mentioned condition, and then check the tightening torque again. 28. -
Page 26
COUNTERWEIGHT INSTALLATION 31. Toggle the counterweight removal/install switch in the cab to the OFF position. 32. Turn handle of stop valve (9) clockwise and ensure the valve is completely closed. 33. Install top cover to the counterweight and three bottom covers to the machine’s mainframe. -
Page 27
* Repair or replace Hydraulic parts * Repair or replace While parking the machine with Stop valve is closed. Fully open the stop valve. counterweight removed, the cylinder Hydraulic parts * Repair or replace becomes fully retracted. * Consult your nearest Hitachi dealer. -
Page 28
TROUBLESHOOTING MEMO ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………….. -
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INDEX COUNTERWEIGHT INSTALLATION……….10 COUNTERWEIGHT REMOVAL …………3 Counterweight Removal/Install Device ……..1 Counterweight Removal/Install Device Alarm ……2 Counterweight Removal/Install Switch ……..1 Follow Safety Instructions …………S-2 Inspect Machine …………….S-2 Move and Operate Machine Safely ………..S-3 OPERATOR’S STATION …………….1 Recognize Safety Information …………S-1 SAFETY ………………..S-1 TROUBLESHOOTING ……………. -
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INDEX MEMO …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..
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инструкцияHitachi R-VG470PRU8
Preparation for use
Warnings and Caution for Safety…….
Preparations before Use……………….
Operation
Temperature Control………………
How to operation………………………
Location of Food Storage…………..
Freezer Compartment…………….
Refrigerator Compartment………
Maintenance
Cleaning……………………………….
Troubleshooting………………………….
Service Center……………………………
Installation…………………………….
Before Use……………………………
Optimal Food Storage…………….
Model
Page
Instruction Manual
Hitachi Refrigerator
Contents
Thank you very much for purchasing the Hitachi refrigerator.
Before installation and usage,please read the user
’
s guide carefully
for the correct usage.
Maintenance work must only be carried out at workshop
by well-trained maintenance worker.
No frost
R-V470PRU8
R-VG470PRU8
R-V470PRU8-1
R-VG470PRU8-1
R-V440PRU8
R-VG440PRU8
R-V440PRU8-1
R-VG440PRU8-1
R-V400PRU8
R-VG400PRU8
R-V400PRU8-1
R-VG400PRU8-1
For household use only
Refrigerant
13
6
6
4
5
5
5
5
2
4
4
4
4
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SERVICE MANUAL
SPECIFICATIONS
TYPE
MODEL
POWER SOURCE
TOTAL CURRENT ( A )
VOLUME
DIMENSIONS
(mm)
NET WEIGHT ( Kgs )
REFRIGERATOR
GROSS
W
H
D
H.C.P.T.
No. 1391
R-Z470ARU6 (PWH)
R-Z470ARU6 (SLS)
TABLE
SPECIFICATION ……………………………………………………………….
MAIN PARTS COMPONENTS ……………………………………………
WIRING DIAGRAM
MODEL R-Z470ARU6 ……………………………………………………….
PARTS CONSTITUTION
MODEL R-Z470ARU6 ……………………………………………………….
DOUBLE DOOR
R-Z470ARU6
1Ø,220-240V,50Hz
0.7-0.8
474
680
1780
695
70
MARCH’2007
2 -3
4
5
6 -11