301.7D, 302.2D and 302.4D Mini Hydraulic Excavator Machine Systems Caterpillar


Bucket Cylinder

Usage:

301.7D LJ4


Illustration 1g03227856

Table 1
Specification for 395-1263 Hydraulic Cylinder Gp 
Item  Qty  Part  Specification Description 
Before assembly, apply Locktite 638 to the outer surface of the bearing. 
Before assembly, lubricated the threads with clean oil. 
Tighten the head to 250 to 280 N·m (184 to 207 lb ft).
Before assembly, lubricated the threads with clean oil. 
Tighten the piston to 25 to 35 N·m (221 to 310 lb in).
Left Hand Thread 
Before assembly, lubricated the threads with clean oil.
Tighten the nut to 10 to 20 N·m (89 to 177 lb in).
Bend the collar of the piston at two places on the flat sides of the nut.
395-1253 Hydraulic Cylinder  Bore is 60 mm (2.4 inch)
395-1285 Piston Rod  Diameter is 35 mm (1.4 inch)
379-2769 Bushing  Bore after assembly is 30.050 to 30.125 mm (1.1831 to 1.1860 inch)
373-5760 Bushing  Bore after assembly is 32.05 to 32.13 mm (1.262 to 1.265 inch)
Stroke length is 399.0 ± 1.5 mm (15.71 ± 0.06 inch)

Caterpillar Information System:

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