ENGINE AR-CORE 3843440 - Caterpillar

Illustration 1 g01876740
(1) Lightly lubricate the sealing lip of the buffer seal assembly with the lubricant that is being sealed. (2) Lightly lubricate the sealing lip of the U-cup seal with the lubricant that is being sealed. (3) Apply Loctite 609 to the wiper seal groove before assembly. Lightly lubricate the sealing lip of the wiper seal with the lubricant that is being sealed. (A) Outer diameter of new piston over two lands ... 88.40 0.05 mm (3.480 0.002 inch) (B) Bore of new cylinder assembly ... 88.90 0.08 mm (3.500 0.003 inch) (C) Outer diameter of new rod ... 50.750 0.038 mm (1.9980 0.0015 inch) (D) Bore of new head over four lands ... 51.13 0.03 mm (2.013 0.001 inch) (4) Torque for bolt ... 1800 200 N m (1320 150 lb ft)Note: Lubricate the threads of the head with 1P-0808 Multipurpose Grease . (5) Torque for head ... 600 130 N m (440 95 lb ft)