992K Wheel Loader and 854K Wheel Dozer Braking System Caterpillar

Illustration 1	g01441182

(1) 8V-3609 Retractor Spring

Quantity ... 6

Length under test force ... 86.4 mm (3.40 inch)

Test force ... 715 N (160 lb)

Free length after test ... 107.7 mm (4.24 inch)

Outside diameter ... 20.42 mm (0.804 inch)

(2) Lubricate the O-ring seal with the lubricant that is being sealed.

(3) Lubricate the seal with the lubricant that is being sealed.

(4) Torque for the purge screw ... 11 ± 4 N·m (95 ± 35 lb in)

(5) 9U-1739 Outer Plate

Quantity ... 5

Thickness of one new outer plate ... 7.30 ± 0.10 mm (0.287 ± 0.004 inch)

Minimum thickness of worn outer plate ... 6.22 mm (0.245 inch)

(6) 9U-1738 Friction Disc

Quantity ... 4

Thickness of one new friction disc ... 6.10 ± 0.13 mm (0.240 ± 0.005 inch)

Minimum thickness of worn friction disc ... 4.88 mm (0.192 inch)

Note: Lubricate the bore and the two O-ring seals for the two O-ring plugs (7) lightly with the lubricant that is being sealed.

(7) Torque for the two O-ring plugs ... 70 ± 7 N·m (50 ± 5 lb ft)

(10) Use Solvo-Clean68-0 in order to clean the contact surfaces of the brake anchor (10) and the thrust washer (8). Apply 4C-9506 Retaining Compound to the mating surfaces of the brake anchor (10) or to the mating surfaces of the thrust washer (8). Assemble the thrust washer and the brake anchor together. Tighten the flat head screw (9) and remove the excess compound from the joint.

Note: Lubricate the bore and the O-ring seal for the O-ring plug (11) lightly with the lubricant that is being sealed.

(11) Torque for the O-ring plug ... 70 ± 7 N·m (50 ± 5 lb ft)

(12) Lightly lubricate the three O-ring seals with the lubricant that is being sealed.

(13) Torque for the three O-ring plugs ... 70 ± 7 N·m (50 ± 5 lb ft)

(D) Projection of the eight hollow dowels from the surface of the brake anchor ... 16.5 ± 1.0 mm (0.65 ± 0.04 inch)