390D Excavator Machine System Specifications Caterpillar


Track

Usage:

390D BYP


Illustration 1g03656448
Typical example

Table 1
Specification for 297-0129 Track Link As and 297-0130 Track Link As 
Item  Qty  Part  Specification Description 
All joints of the link assembly must have flexibility even with a measurable end play of zero. Flexibility is the ability for movement from the weight of the link assembly. 
Use the following procedure to tighten the track bolts:
1. Tighten the track bolts to 1300 ± 100 N·m (960 ± 75 lb ft).
2. Tighten the bolts to an additional 120 ± 5 degrees. 
The maximum assembly force for the link assembly is 1040000 N (233800 lb)
The assembly force for the master pin (1) is 750000 N (168610 lb)
Protrusion for the master bushing on each end is 2.70 ± 0.50 mm (0.106 ± 0.020 inch)
Protrusion for the pin on each end is 3.20 ± 0.25 mm (0.126 ± 0.010 inch)
Distance between the bolt holes is 234.92 ± 0.37 mm (9.249 ± 0.015 inch)
Distance between the bolt holes is 184.12 ± 0.37 mm (7.249 ± 0.015 inch)

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