568 Forest Machine Machine System Specifications Caterpillar

Illustration 1	g01520267
Typical example

(1) 7Y-4666 Sleeve Bearing

Inside diameter ... 80.25 ± 0.02 mm (3.159 ± 0.001 inch)

Outside diameter ... 95.180 ± 0.013 mm (3.7472 ± 0.0005 inch)

Installation depth of the sleeve bearing ... 7.50 ± 0.30 mm (0.295 ± 0.012 inch)

Note: Lubricate the face and the threads of the locknut (2) with 248-7522 Hydraulic Oil all around before assembly.

(2) Torque for the locknut ... 11000 ± 550 N·m (8120 ± 410 lb ft)

(3) Lubricate the inside diameter and the outside diameter of two rings with clean grease.

(2) Lubricate the inside diameter and the outside diameter of the seal with clean grease.

(A) Bore of the cylinder assembly ... 150.00 ± 0.10 mm (5.906 ± 0.004 inch)

(B) Diameter of the rod ... 104.93 ± 0.03 mm (4.131 ± 0.001 inch)

(C) Bore of the head over two lands ... 105.63 ± 0.03 mm (4.159 ± 0.001 inch)

(5) 7Y-5102 Sleeve Bearing

Inside diameter ... 90.265 ± 0.020 mm (3.5537 ± 0.0008 inch)

Outside diameter ... 106.202 ± 0.013 mm (4.1812 ± 0.0005 inch)

Installation depth of the sleeve bearing ... 10.0 ± 0.3 mm (0.39 ± 0.01 inch)

(6) Lubricate the sealing lip of the buffer seal lightly with the lubricant that is being sealed.

(7) Lubricate the sealing lip of the U-cup seal lightly with the lubricant that is being sealed.

(8) Lubricate the sealing lip of the lip type seal lightly with the lubricant that is being sealed.

(9) Apply 4C-4032 Bearing Mount Compound to the wiper seal groove before assembly.