345B Series II Excavator Machine System Specifications Caterpillar


Bucket Cylinder

Usage:

345B II AGS


Illustration 1g02645016

Table 1
Specification for 225-4529 Bucket Cylinder Gp and 274-2456 Bucket Cylinder Gp 
Item  Qty  Part  Specification Description 
087-5533 Bushing  Inside diameter before assembly is 90.27 ± 0.02 mm (3.554 ± 0.001 inch).
Installation depth is 10.00 ± 0.30 mm (0.394 ± 0.011 inch)
123-2112 Special Locknut  Before assembly, lubricate the face and the threads of the special locknut (2) with 309-6932 Hydraulic Oil all around.
Torque to 13500 ± 700 N·m (9957 ± 516 lb ft)
185-0230 Ring  Lubricate the inside diameter and the outside diameter with clean grease. 
9X-3604 Seal As  Lubricate the inside diameter and the outside diameter with clean grease. 
185-0231 Ring  Lubricate the inside diameter and the outside diameter with clean grease. 
118-3936 Cylinder As  Bore is 160.00 ± 0.10 mm (6.299 ± 0.004 inch)
247-8904 Rod As  Diameter is 109.93 ± 0.03 mm (4.328 ± 0.001 inch)
Head  Bore is 110.63 ± 0.03 mm (4.356 ± 0.001 inch)
087-5548 Bushing  Inside diameter before assembly is 100.29 ± 0.04 mm (3.948 ± 0.002 inch).
Installation depth is 10.0 ± 0.3 mm (0.39 ± 0.01 inch)
114-0762 Bushing  Outside diameter before assembly is 115.148 ± 0.032 mm (4.5334 ± 0.0013 inch).
Thickness is 2.475 ± 0.025 mm (0.0974 ± 0.0010 inch)
Buffer Seal  Lubricate the sealing lip of the buffer seal lightly with the lubricant that is being sealed. 
U-Cup Seal  Lubricate the sealing lip of the U-cup seal lightly with the lubricant that is being sealed. 
10  165-9291 Lip Type Seal  Lubricate the sealing lip of the lip type seal lightly with the lubricant that is being sealed. 
11  Before assembly, apply green Loctite 609 to the wiper seal groove. 

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