HEAD GP 0R3840 - Caterpillar

Illustration 1 g01420407
Note: Lubricate the face and threads of the special locknut (1) with 248-7522 Hydraulic Oil before assembly. (1) Torque for the special locknut ... 4500 230 N m (3320 170 lb ft) (2) Lubricate the inside diameter and outside diameter of the ring with clean grease. (3) Lubricate the inside diameter and outside diameter of the seal with clean grease. (4) Lubricate the inside diameter and outside diameter of the two rings with clean grease.Note: During the press fit, insert the sleeve bearing in the cap assembly with the tapered side first. (A) Inside diameter of the sleeve bearing before installation ... 70.11 0.02 mm (2.760 0.001 inch)Installation depth of the sleeve bearing ... 7.35 0.50 mm (0.289 0.020 inch) (B) Outside diameter of the piston over two lands ... 108.90 0.03 mm (4.287 0.001 inch) (C) Bore of the cylinder assembly ... 110.00 0.10 mm (4.331 0.004 inch) (D) Outside diameter of the rod assembly ... 79.93 0.03 mm (3.147 0.001 inch) (E) Bore of head over two lands ... 80.530 0.030 mm (3.1705 0.0012 inch) (F) Inside diameter of the sleeve bearing before installation ... 80.20 0.04 mm (3.157 0.002 inch)Installation depth of the sleeve bearing ... 10.0 0.5 mm (0.39 0.02 inch) (5) Lightly lubricate the sealing lip of the buffer seal with the lubricant that is being sealed. (6) Lightly lubricate the sealing lip of the U-cup seal with the lubricant that is being sealed. (7) Lightly lubricate the sealing lip of the lip type seal with the lubricant that is being sealed. (8) Apply 4C-4032 Bearing Mount Compound to the wiper seal groove before assembly.