Usage:
NOTE: Check the condition of all O-ring seals and of all parts. If any components are worn or damaged, use new parts for replacement.
1. Be sure that the bores in the lift cylinder, loader frame and lift arms are clean and free of dirt and debris. Lubricate the bores and the pins with 5P-0960 Molybdenum Grease prior to installation. Put 5P-3931 Anti-Seize Compound on the inside and outside diameters of all collets before assembly.
2. Attach a hoist and a suitable lifting sling to lift cylinder (4), as shown. Put the lift cylinder in position in the front loader frame. The weight of the lift cylinder is 350 kg (772 lb).
3. Align the bores of the lift cylinder and the front loader frame. Install pin (12) and the shim(s) (if required) in the head end of the lift cylinder.
4. Install collet (11) on each side of the lift cylinder pin.
5. Put 5P-3931 Anti-Seize Compound on the threads of bolt (10). Install bolt (10), the nut and the washers in the lift cylinder pin and collet assembly.
NOTE: The collet on one side must not extend farther than the other collet when the bolt and nut are tight.
6. Tighten the bolt and the nut that hold the collets to the lift cylinder pin as follows:
a. Tighten bolt (10) and the nut evenly to a torque of 1800 ± 200 N·m (1330 ± 150 lb ft). After the bolt and the nut are tight, hit the collet on each side with a heavy hammer until the torque on the bolt and the nut is less than 950 N·m (700 lb ft).
b. Tighten bolt (10) and the nut again to a torque of 1800 ± 200 N·m (1330 ± 150 lb ft). Hit each collet again until the torque for the bolt and the nut is less than 1600 N·m (1180 lb ft).
c. Tighten bolt (10) and the nut to a final torque of 1800 ± 200 N·m (1330 ± 150 lb ft).
NOTE: At the end of 50 service hours, tighten the bolt and the nut that hold the collets to the lift cylinder pin as in Steps 6a through 6c.
7. Connect lubrication hose assembly (9) to the head end of the lift cylinder.
8. Put tube assembly (8) in position on the lift cylinder and install four bolts (7) and the washers that hold it.
9. Install four bolts (5) and the washers that hold tube assembly (6) to the lift cylinder.
10. Attach a hoist and a suitable lifting sling to the rod end of lift cylinder (4), as shown. Use the hoist to lift the rod end of the lift cylinder.
11. Start the engine and extend the lift cylinder rod until the bores are in alignment with the lift arm assembly. Stop the engine.
12. Install pin (3) and shim(s) (13) (if required) to the rod end of the lift cylinder.
13. Install collet (2) on each side of the lift cylinder pin.
14. Put 5P-3931 Anti-Seize Compound on the threads of bolt (1). Install bolt (1) in the lift cylinder pin and collet assembly.
NOTE: The collet on one side must not extend farther than the other collet when the bolt is tight.
15. Tighten the bolt that holds the collets to the lift cylinder pin as follows:
a. Tighten bolt (1) to a torque of 1350 ± 160 N·m (1000 ± 120 lb ft). After the bolt is tight, hit the collet on each side with a heavy hammer until the torque on the bolt is less than 680 N·m (500 lb ft).
b. Tighten bolt (1) again to a torque of 1350 ± 160 N·m (1000 ± 120 lb ft). Hit each collet again until the torque for the bolt is less than 1020 N·m (750 lb ft).
c. Tighten bolt (1) to a final torque of 1350 ± 160 N·m (1000 ± 120 lb ft).
NOTE: At the end of 50 service hours, tighten the bolt that holds the collet assemblies to the lift cylinder pin as in Steps 15a through 15c.
16. Lubricate the mounting pins. Refer to Operation and Maintenance Manual for the machine that is being serviced.
17. Fill the hydraulic tank with oil to the correct level. Refer to Operation and Maintenance Manual for the machine that is being serviced.
18. Check the operation of the lift cylinders.
End By:
a. Remove the bucket control group safety pins. Refer to Disassembly and Assembly, "Bucket Control Group Safety Pins - Remove and Install" for the machine that is being serviced.
b. Remove the steering frame lock pin. Refer to Disassembly and Assembly, "Steering Frame Lock Pin - Remove and Install" for the machine that is being serviced.