Disassembly and Reassembly
DISASSEMBLY
1. Remove valve bracket.
a. Remove the nut and bolt.
CAUTION: At the time of reassembly, please refer to the following item. When connecting the shackle to the load sensing with a bolt and nut, insert the bolt from the front side of vehicle.
Torque: 18 Nm (13 ft. lbs.)
Remove Valve Bracket:
b. Remove the 2 nuts, and remove the bracket and set plate from the valve body.
HINT: Finger tighten the valve body mounting nuts.
2. Disconnect spring from valve.
Using pliers, remove the clip and the spring from the valve.
3. Remove shackles No.1 and No.2.
a. Remove the nuts and bolts, and then remove No.1 and No.2 shackles and 2 plate washers from the load sensing spring assembly.
Torque: 18 Nm (13 ft. lbs.)
b. Loosen the 2 nuts, remove the nut and shackle No.1 from the shackle No.2.
4. Disassemble load sensing spring.
Disassemble these parts:
- 4 Bushings
- 2 Collars
- 2 Rubber plates
- Load sensing valve boot
- Load sensing spring boot
HINT: At the time of reassembly, please refer to the following items.
- Apply lithium soap-base glycol grease to all rubbing areas.
- Do not mistake the valve side for the shackle side of the load sensing spring.
INSPECTION
Inspect valve piston pin and load sensing contact surface for wear.
Wear limit: 0.7 mm (0.028 inch)
REASSEMBLY
Reassembly is in the reverse order of disassembly.