HEAD 4178953 - Caterpillar

Illustration 1 g03677720
Table 1
Specifications for 349-6046 Bulldozer Lift Cylinder Gp
Item Qty Part Specification Description
1 1 1F-6762 Bolt Torque to 3600 400 N m (2655 295 lb ft).
2 2 1U-4074 Piston Insert The piston inserts must not extend beyond the face of the piston.
3 2 4J-6374 Bushing Bore before assembly is 50.622 0.013 mm (1.9930 0.0005 inch).
A 1 349-6047 Cylinder As Bore is 101.60 0.08 mm (4.000 0.003 inch).
B 1 364-4115 Rod As Diameter is 63.450 0.038 mm (2.4980 0.0015 inch).
4 1 172-9981 Head Bore (C) over four lands is 63.83 0.03 mm (2.513 0.001 inch).
Before assembly, lubricate the threads with clean grease.
Torque to 600 130 N m (443 96 lb ft).
5 26 8E-9212 Shim As required, use the shim:
Thickness is 0.8 mm (0.03 inch).
6 1 8T-0785 Wear Ring Inside diameter before assembly is 63.5 mm (2.50 inch).
7 1 289-2937 Buffer Seal As Lubricate the sealing lip lightly with lubricant that is being sealed.
8 1 289-2948 U-Cup Seal Lubricate the sealing lip lightly with lubricant that is being sealed.
9 1 225-3281 Wiper Seal Lubricate the sealing lip lightly with lubricant that is being sealed.
10 - - Before assembly, apply green Loctite 620 to wiper seal groove.