120H Motor Grader Hydraulic and Steering System Caterpillar

Illustration 1	g00007238

(1) Torque for bolt ... 1800 ± 200 N·m (1325 ± 150 lb ft)

(2) Outer diameter of new piston over two lands ... 88.40 ± 0.03 mm (3.480 ± .001 inch)

(3) Bore of new cylinder assembly ... 88.90 ± 0.08 mm (3.500 ± .003 inch)

(4) Lubricate sealing lips with a thin covering of the lubricant that is being sealed.

(5) Outer diameter of new rod ... 50.750 ± 0.038 mm (1.9980 ± .0015 inch)

(6) Bore of new head over four lands ... 51.13 ± 0.03 mm (2.013 ± .001 inch)

Note: Lubricate the threads with clean grease and torque the head (7) to 600 ± 130 N·m (440 ± 95 lb ft). Use 1P-0808 Grease Cartridge Group to apply the grease.