390F Excavator Machine System Caterpillar


Track Roller

Usage:

390F FEH


Illustration 1g03655136

Table 1
Specification for 357-7497 Track and Carrier Roller Ar 
Item  Qty  Part  Specification Description 
453-2859 Bolt  Torque to 1000 ± 125 N·m (738 ± 92 lb ft)
Clearance between the track carrier roller and the mounting bracket is 20 mm (0.8 inch)
Distance from the edge of the flange to the centerline of the track is 132.5 ± 3.0 mm (5.22 ± 0.12 inch)
Before assembly, the surfaces must be clean and free from protective coating. 
72  447-2461 Bolt  Torque to 1800 ± 200 N·m (1328 ± 148 lb ft)
18  355-0374 Track Roller Gp  Install the track roller group with the plug toward the outside of the machine. 

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