Disassembly and Reassembly
DISASSEMBLY
1. Remove valve bracket.
a. Remove the nut, bolt and 2 plate washers.
b. 2WD: Remove the 2 nuts and flexible hose bracket, and remove the valve bracket and set plate from the valve body.
c. 4WD: Remove the 2 nuts, and remove the valve bracket and set plate from the valve body.
2. Disconnect spring from valve.
Using pliers, remove the clip, and remove the spring from the valve.
3. Remove shackles No.1 and No.2.
a. Remove the nut and bolt, and remove the load sensing spring and 2 plate washers.
b. Loosen the 2 nuts, and remove the shackle No.1 from the shackle No.2.
4. Disassemble load sensing spring.
Disassemble the these parts.
- 4 bushings.
- 2 collars.
- 2 rubber plates.
- Load sensing valve boot.
- Load sensing spring boot.
INSPECTION
Inspect valve piston pin and load sensing contact surface for wear.
Wear limit: 0.7 mm (0.028 inch)
REASSEMBLY
1. Assemble these parts to load sensing spring:
- Load sensing valve boot
- Load sensing spring boot
- 4 bushings
- 2 rubber plates
- 2 collars
HINT:
- 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.
2. Install shackle NO.1 and NO.2
a. Install the lock nut and shackle No.1 to the shackle No.2.
b. Torque the nut.
Torque: 24 Nm (18 ft. lbs.)
3. Install load sensing spring to shackle No.1
a. Install the load sensing spring and 2 plate washer to the shackle No.1.
b. Torque the bolt and nut.
Torque: 18 Nm (13 ft. lbs.)
4. Install load sensing spring to valve body.
Install the load sensing spring to the load sensing valve with the clip.
5. Install valve bracket.
a. 2WD: Install the set plate to the valve assembly through the valve bracket and temporarily tighten the 2 valve body mounting nuts with flexible hose bracket.
b. 4WD: Install the set plate to the valve assembly through the valve bracket and temporarily tighten the 2 valve body mounting nuts.
c. Torque the bolt and nut with the 2 plate washers.
Torque: 18 Nm (13 ft. lbs.)