Disassembly and Assembly
Remove Valve Bracket:
DISASSEMBLY
1. Remove valve bracket.
(a) Remove the nut, bolt and 2 plate washers.
(b) Remove the 2 nuts, bracket and set plate from the valve body.
2. Disconnect spring from valve.
Remove Spring From Valve:
Using pliers, remove the clip, and remove the spring from the valve.
3. Remove shackle No.1 and No.2.
Remove Bolt And Nut:
(a) Remove the bolt and nut, then remove the these parts:
^ Load sensing spring.
^ 2 plate washers.
(b) Loosen the 2 nuts, and remove the shackle No.1 from the shackle No.2.
Disassemble Load Sensing Spring:
4. Disassemble Load Sensing Spring.
Disassembly the these parts:
^ Bushings.
^ Collars.
^ Rubber plates.
^ Load sensing valve boot.
^ Load sensing spring boot.
Inspect Valve Piston Pin And Load Sensing Spring Contact Surface:
5. Inspect Valve Piston Pin and Load Sensing Spring contact surface for wear. Wear limit: 0.7 mm (0.028 inch)
Disassemble Load Sensing Spring:
ASSEMBLY
1. Assemble these parts to Load Sensing Spring:
^ Load sensing valve boot.
^ Load sensing spring boot.
^ Bushings.
^ 2 rubber plates.
^ 2 collars.
NOTE: Apply lithium soap base glycol grease to the parts indicated by the arrows in EXPLODED VIEW. Do not mistake the valve side for the shackle side of the Load Sensing Spring.
2. Install shackle NO.1 AND NO.2 to Load Sensing Spring.
(a) Install the lock nut and shackle No. 1 to the shackle No. 2.
(b) Torque the bolt and nut through the 2 plate washers.
^ Torque: 18 Nm (13 ft. lbs.).
3. Install Load Sensing Spring to Valve Body.
Install the Load Sensing Spring assembly to the Load Sensing Valve with the clip.
4. Install valve bracket.
(a) Install the set plate to the valve assembly through the valve bracket and temporarily tighten the 2 valve body mounting nuts.
(b) Torque the bolt and nut through the 2 plate washers.
^ Torque: 18 Nm (13 ft. lbs.).