D8T Track-Type Tractor Caterpillar


Tracks

Usage:

D8T AW4


Illustration 1g03404353

Table 1
Specification For 272-6009 Track Link As(1) 
Item  Qty  Part  Specification Description 
Use the following procedure to tighten the track bolts: 
1. Tighten the track bolts to 650 ± 70 N·m (479 ± 52 lb ft).
2. Tighten the track bolts to an additional turn of 120 ± 5 degrees.
The maximum assembly force for the track link assembly is 660000 N (148375 lb)
The reference setting force is 520000 N (116901 lb)
The plug (2) must not be recessed below the surface of the stopper (3) after assembly. 
Distance from the end of the plug (2) to the surface of the stopper (3) is 0 to 2 mm (0.0 to 0.1 inch)
Distance from the end of the pin (1) to the surface of the stopper (3) is 8.0 ± 4.0 mm (0.31 ± 0.16 inch)
Bushing protrusion at each end is 1.76 ± 0.13 mm (0.069 ± 0.005 inch)
Protrusion at one end of the pin is 2.00 ± 0.13 mm (0.079 ± 0.005 inch)
Distance between the bolt hole is 146.10 ± 0.39 mm (5.752 ± 0.015 inch)
Distance between the bolt holes is 204.10 ± 0.39 mm (8.035 ± 0.015 inch)
Distance between the bolt holes is 146.10 ± 0.80 mm (5.752 ± 0.032 inch)
Distance between the bolt holes is 204.10 ± 0.80 mm (8.035 ± 0.032 inch)
End play for the link assembly is 0.00 to 0.20 mm (0.000 ± 0.008 inch)
(1) 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.

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