120H and 135H Motor Graders Air System and Brakes Caterpillar

Illustration 1	g00606833

(1) Shims

Outer diameter of all shims ... 63.5 mm (2.50 inch)

Thickness of 8D-8791 Shim ... 0.18 mm (.007 inch)

Thickness of 8D-8792 Shim ... 0.13 mm (.005 inch)

Thickness of 9D-7085 Shim ... 0.51 mm (.020 inch)

(2) Torque for bolts ... 130 ± 7 N·m (96 ± 5 lb ft)

(3) Lubricate the seals and bores with a thin covering of the lubricant that is being sealed.

(4) Lubricate the friction discs at assembly with the lubricant that is being used.

(5) 9J-5498 Spring

Quantity ... 6

Test length ... 46.02 mm (1.812 inch)

Test force ... 200 ± 10 N (45 ± 2 lb)

Free length after test ... 68.8 mm (2.71 inch)

Outside diameter ... 20.96 mm (.825 inch)

(6) All surfaces that contact the rubber toric rings and the actual rings must be cleaned and dry at assembly. Also apply a thin film of oil to the contacting surfaces of the seals.

(7) Torque for bolts ... 40 ± 7 N·m (30 ± 5 lb ft)

(8) Torque for bolts ... 120 ± 20 N·m (90 ± 15 lb ft)