320D3 and 323D3 Excavators Machine System Specifications Caterpillar


Track Roller (Single Flange)

Usage:

323D3 FEY


Illustration 1g03883494

Table 1
Specification for 422-2405 Track Roller Gp 
Item  Qty  Part  Specification Description 
Before assembly, the surfaces must be clean and free of protective coating. 
8F-8711 O-Ring Seal  Lubricate the bore with the lubricant that is being sealed. 
481-4790 Track Roller Bearing  Bore after assembly is 60.130 ± 0.076 mm (2.3673 ± 0.0030 inch)
9W-2146 Plug  Before assembly, apply blue Loctite 243 to the threads.
Torque to 28 ± 5 N·m (248 ± 44 lb in)
475-8471 Duo-Cone Seal Gp  The rubber toric seals and all the contacting surfaces must be clean and dry at assembly. Before assembly, apply a thin film of oil to the contacting surfaces of the metal seal rings. The seal rings must be assembled square. The rubber toric seal should not bulge and the rubber toric seal should not twist. 
End play for the track roller shaft:
Minimum is 0.25 mm (0.010 inch).
Maximum is 1.25 mm (0.049 inch)

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