Unit Repair

VALVE BODY DISASSEMBLY





1. REMOVE DETENT SPRING AND SPRING PLATE





2. REMOVE MANUAL VALVE





3. REMOVE FOUR SOLENOIDS
(a) Remove No.1 and No.2 solenoids.
(b) Remove the 0-ring from No.1 and No.2 solenoids.
(c) Remove the lock plate and No.3 and No.4 solenoids.





4. REMOVE OIL STRAINER AND PRESSURE RELIEF VALVE





5. TURN OVER ASSEMBLY AND REMOVE 28 BOLTS





6. LIFT OFF UPPER VALVE BODY AND PLATE





UPPER VALVE BODY COMPONENTS





VALVE BODY SPRING SPECIFICATIONS
HINT: During reassembly please refer to the spring specifications below to help you to differentiate between the different springs.





RETAINERS AND CHECK BALLS LOCATION
1. RETAINERS





2. CHECK BALLS





LOWER VALVE BODY COMPONENTS





VALVE BODY SPRINGS SPECIFICATIONS
HINT: During reassembly please refer to the spring specifications below to help you to differentiate between the different springs.





RETAINERS LOCATION

VALVE BODY ASSEMBLY





1. INSTALL ASSEMBLED GASKETS ON UPPER VALVE BODY
Align the assembled gaskets with each bolt hole and install the screw.





2. PLACE UPPER VALVE BODY WITH GASKETS ON TOP OF LOWER VALVE BODY
Align each bolt hole and gaskets in the valve body.





3. INSTALL THE 28 BOLTS UPPER VALVE BODY

HINT: Each bolt length is indicated below.

Torque: 6.5 N.m (65 kgf.cm. 56 in.lbf)

Bolt length:
Bolt A: 45 mm (1.772 in.)
Bolt B: 35 mm (1.378 in.)
Bolt C: 20 mm (0.787 in.)





4. INSTALL OIL STRAINER, PRESSURE RELIEF AND 4 SOLENOIDS





5. INSTALL MANUAL VALVE

6. INSTALL DETENT SPRING

Torque: 10 N.m (100 kgf.cm, 7 ft.lbf)

7. MAKE SURE MANUAL VALVE MOVES SMOOTHLY