320 GC, 320 and 323 Excavator Machine Systems Specifications Caterpillar


Track

Usage:

320 GC BR4


Illustration 1g01424704
Typical example

Table 1
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 400 ± 40 N·m (295 ± 30 lb ft).
2. Tighten the bolts to an additional turn angle of 120 ± 5 degrees. 
The maximum assembly force for the link assembly is 565000 N (127020 lb)
The assembly force for the master pin is 77000 N (17310 lb). (1)
The assembly force for the master pin is 340000 N (76435 lb). (2) 
Protrusion for the master bushing is 0.00 ± 0.25 mm (0.000 ± 0.010 inch)
Distance between the bolt holes is 155.57 ± 0.37 mm (6.125 ± 0.015 inch)
Distance between the bolt holes is 119.57 ± 0.37 mm (4.708 ± 0.015 inch)
Protrusion for each end of the standard bushing is 3.30 ± 0.25 mm (0.130 ± 0.010 inch)
Protrusion at one end of the standard pin (1) is 2.70 ± 0.70 mm (0.106 ± 0.028 inch)
(1) For 194-1910, 194-1920, 203-2201, 332-8908, 332-8915, 419-0977, 422-6106, 491-5612, 515-7160, 539-8167, 539-8169, 539-8170 and 540-0192.
(2) For 337-9053, 337-9056, 337-9063, 359-3119, 359-3121, 359-3122, 397-8767, 415-5237, 456-2542, 469-0667, 521-5664, 521-5665, 521-5666, 521-5667, 524-6580, 524-6581, 524-6582, 527-8989 , 559-6447 , 569-9762 and 569-9763.

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