GLASS-CAB 8Y7279 - Caterpillar

Illustration 1 g03321847
Table 1
Specification for 368-3258 Boom Cylinder Gp
Item Qty Part Specification Description
1 1 7Y-2396 Bushing Bore before installation is 90.27 0.02 mm (3.554 0.001 inch).
Installation depth is 10.0 0.3 mm (0.39 0.01 inch).
2 1 340-8352 Head Bore over two lands for the rod assembly is 70.53 0.03 mm (2.777 0.001 inch).
3 8 9X-2404 Bolt Torque to 600 70 N m (443 52 lb ft).
4 1 7Y-2397 Bushing Bore before installation is 100.29 0.02 mm (3.948 0.001 inch).
Installation depth is 10.0 0.3 mm (0.39 0.01 inch).
A 1 368-3282 Boom Cylinder As Bore is 130.06 0.04 mm (5.120 0.002 inch).
B 1 368-6831 Cylinder Rod and Bearing As Diameter of the cylinder rod is 69.93 0.03 mm (2.753 0.001 inch).
5 1 095-1267 Socket Setscrew For each assembly, a hole must be drilled and material at the hole edge should be driven back to lock the setscrew.
Torque to 60 12 N m (44 9 lb ft).
6 1 9X-3595 Seal As Lubricate the inside diameter and the outside diameter with the clean grease.
7 2 179-9771 Ring Lubricate the inside diameter and the outside diameter with the clean grease.
8 1 150-5884 Ring Lubricate the inside diameter and the outside diameter with the clean grease.
9 1 340-8353 Piston Before assembly, lubricate the face and the thread with 309-6932 Hydraulic Oil all around.
Torque to 1000 100 N m (738 74 lb ft).
10 1 114-0753 Bushing Outside diameter is 75.120 0.025 mm (2.9575 0.0010 inch).
Thickness is 2.475 0.025 mm (0.0974 0.0010 inch).
11 1 170-9841 Buffer Seal Lubricate the sealing lip lightly with the lubricant that is being sealed.
12 1 170-9857 U-Cup Seal Lubricate the sealing lip lightly with the lubricant that is being sealed.
13 1 165-9283 Lip Type Seal Lubricate the sealing lip lightly with the lubricant that is being sealed.
14 - - Apply green Loctite 609 to the wiper seal groove.