SFWR GP-A3000 4702174 - Caterpillar

Illustration 1 g03869320
Typical example
Table 1
Specifications for 385-7739 Track Gp, 385-7742 Track Gp, and 385-7744 Track Gp
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. Apply SAE 30W oil to the bolt threads and the washer faces that hold the track shoes to the links.
2. Tighten the track bolts to 400 70 N m (295 52 lb ft).
3. Tighten the standard track bolts to an additional turn of 120 5 degrees.
4. Tighten the master link bolts to an additional turn of 120 5 degrees.
- - - The maximum assembly force for the track link assembly is 665000 N (149499 lb).
- - - The reference setting force is 475000 N (106785 lb).
A - - Distance between the bolt holes is 137.29 0.39 mm (5.405 0.015 inch).
B - - Distance between the bolt holes is 185.29 0.39 mm (7.295 0.015 inch).
C - - Distance between the bolt holes is 134.85 0.80 mm (5.309 0.032 inch).
D - - Distance between the bolt holes is 158.73 0.80 mm (6.249 0.032 inch).
F - - Bushing protrusion at each end is 1.80 0.13 mm (0.071 0.005 inch).
G - - Protrusion at one end of the pin is 4.9 0.8 mm (0.19 0.03 inch).
Illustration 2 g03869321
View of area E
Table 2
Item Qty Part Specification Description
H - - Distance from the end of the plug (1) to the surface of the stopper (2) is 0 to 2 mm (0.0 to 0.1 inch).
J - - Distance from the end of the pin (3) to the surface of the stopper (2) is 8.0 4.0 mm (0.31 0.16 inch).
- - - The plug (1) must not be recessed below the surface of the stopper (2) after assembly.
End play for the link assemblies is 0.00 to 0.20 mm (0.000 to 0.008 inch).