Workshop Manual
Table Of Contents
- COVER
- INTRODUCTION
- SAFETY
- CONTENTS
- SECTION 1 GENERAL
- SECTION 2 UPPERSTRUCTURE
- Cab
- Counterweight
- Main Frame
- Pump Device
- REMOVE AND INSTALL PUMP DEVICE
- DISASSEMBLE PUMP DEVICE
- ASSEMBLE PUMP DEVICE
- MAINTENANCE STANDARD
- ALLOWABLE LIMITS FOR CYLINDER BLOCK
- DISASSEMBLE REGULATOR
- ASSEMBLE REGULATOR
- DISASSEMBLE FAN PUMP
- ASSEMBLE FAN PUMP
- MAINTENANCE STANDARD
- DISASSEMBLE REGULATOR (FAN PUMP)
- ASSEMBLE REGULATOR (FAN PUMP)
- STRUCTURE OF PILOT PUMP
- Control Valve
- REMOVE AND INSTALL CONTROL VALVE
- DISASSEMBLE CONTROL VALVE (4-SPOOL HOUSING SIDE)
- ASSEMBLE CONTROL VALVE (4-SPOOL HOUSING SIDE)
- DISASSEMBLE CONTROL VALVE (5-SPOOL HOUSING SIDE)
- ASSEMBLE CONTROL VALVE (5-SPOOL HOUSING SIDE)
- DISASSEMBLE CONTROL VALVE (4-SPOOL HOUSING UPPER AND LOWER SURFACES)
- ASSEMBLE CONTROL VALVE (4-SPOOL HOUSING UPPER AND LOWER SURFACES)
- DISASSEMBLE CONTROL VALVE (5-SPOOL HOUSING UPPER AND LOWER SURFACES)
- ASSEMBLE CONTROL VALVE (5-SPOOL HOUSING UPPER AND LOWER SURFACES)
- DISASSEMBLE CONTROL VALVE (4-SPOOL CONTROL VALVE)
- ASSEMBLE CONTROL VALVE (4-SPOOL CONTROL VALVE)
- DISASSEMBLE CONTROL VALVE (5-SPOOL CONTROL VALVE)
- ASSEMBLE CONTROL VALVE (5-SPOOL CONTROL VALVE)
- DISASSEMBLE CONTROL VALVE (HOUSING FRONT AND REAR SURFACES)
- ASSEMBLE CONTROL VALVE (HOUSING FRONT AND REAR SURFACES)
- DISASSEMBLE HOUSING
- ASSEMBLE HOUSING
- Swing Device
- Pilot Valve
- Pilot Shut-Off Solenoid Valve
- Solenoid Valve
- Signal Control Valve
- Shockless Valve
- Fan Valve
- Fan Motor
- Engine
- SECTION 3 UNDERCARRIAGE
- SECTION 4 FRONT ATTACHMENT
- SERVICE MANUAL REVISION REQUEST FORM
UPPERSTRUCTURE / Pump Device
W2-4-69
14. Install spring (15), spring seat (14) and retaining
ring (13) to spool (19).
15. Install O-ring (4) to sleeve (5). Install sleeve (5),
compensating piston (6), O-ring (3), sleeve (2)
and pin (1) to housing (48).
16. Install spring (16) and O-rings (59, 60, 61) to
housing (48). Install cover (62) with socket bolts
(63) (4 used).
: 5 mm
: 12 N⋅m (1.2 kgf⋅m, 8.9 lbf⋅ft)
17. Install O-rings (34) and (35) (3 used) to cover
(33).
18. Install cover (33) to housing (48) with socket bolts
(32) (4 used).
: 5 mm
: 12 N⋅m (1.2 kgf⋅m, 8.9 lbf⋅ft)
19. Install solenoid valve (65) to cover (62) with
socket bolts (66) (2 used).
20. Install the regulator to the pump with socket bolts
(36) (2 used) and (37) (2 used).
: 6 mm
: 20 N⋅m (2 kgf⋅m, 15 lbf⋅ft)