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 / Pilot Valve
W2-7-1
REMOVE AND INSTALL PILOT VALVE
CAUTION: Release any pressure in the
hydraulic oil tank before doing any work.
(Refer to BLEED AIR FROM HYDRAULIC OIL
TANK on W1-4-1.)
Remove Left Pilot Valve
CAUTION: Seat (1) weight: 40 kg (88 lb)
1. Remove bolts (2) (2 used).
: 16 mm
2. Remove socket bolts (3) (4 used). Remove seat
(1) from bracket (4).
: 6 mm
W1JB-02-01-008
W1JB-02-07-007
3
1
4
3 1
2