HITCH GP-TOWING 3787975 - Caterpillar

Illustration 1 g00110446
(1) Lubricate the inside diameter and the outside diameter with clean grease. (2) Rod assembly: Outside diameter ... 99.930 0.030 mm (3.9342 .0012 inch) Minimum thickness for plating ... 0.020 + 0.100 - 0.006 mm (.0008 + .0039 - .0002 inch) (3) Bore of head ... 100.63 0.03 mm (3.962 .001 inch) (4) Torque for nut ... 7900 400 N m (5825 295 lb ft) (5) 7Y-5128 Sleeve Bearing : Outside diameter ... 95.180 0.013 mm (3.7472 .0005 inch) Inside diameter ... 80.25 0.02 mm (3.159 .001 inch) Install the bearing in the bearing bore. ... 7.50 0.30 mm (.295 .011 inch) (6) Lubricate the sealing lip slightly with the lubricant that is being sealed: Install the seal in the bearing bore. ... 1.00 0.50 mm (.040 .020 inch) (7) Maximum diameter of ring after assembly ... 70.4 mm (2.77 inch) (8) The slit of the ring must turn in the direction of the piston. (9) Lubricate the sealing lip slightly with the lubricant that is being sealed. (10) Apply 4C-4032 Sealant to the groove before the cylinder is assembled. (11) Free movement for stop after assembly ... 0.50 0.26 mm (.020 .010 inch)