303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications Caterpillar


Stick Cylinder

Usage:

303.5E2 CR BG8


Illustration 1g03830028

Table 1
Specification for 397-6983 Stick Cylinder Gp 
Item  Qty  Part  Specification Description 
265-8717 Bushing  Bore after assembly is 40.205 ± 0.015 mm (1.5829± 0.0006 inch)
360-3693 Plug  Torque to 60 ± 9 N·m (44 ± 7 lb ft)
469-0678 Head  Torque to 370 ± 30 N·m (273 ± 22 lb ft)
3B-8488 Grease Fitting  Torque to 17 ± 3 N·m (151 ± 27 lb in)
469-0674 Nut  Torque to 1150 ± 70 N·m (848± 52 lb ft)
469-0679 Cylinder As  Bore is 80.0 mm (3.15 inch)
469-0677 Rod As  Diameter is 45.0 mm (1.77 inch)
All pin bores to be lubricated and free of paint. 

Caterpillar Information System:

2014/11/03 An Improved Swashplate for the Travel Motor is now used on Certain 305.5E, 306, and 306E Mini Hydraulic Excavators {4050}
Rework Procedure for the Travel Motor Swashplate on Certain 305.5E, 306, and 306E Mini Hydraulic Excavators{4050} Rework Procedure for the Travel Motor Swashplate on Certain 305.5E, 306, and 306E Mini Hydraulic Excavators{4050}
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