CONTROL GP-PROPEL 4574570 - Caterpillar

Introduction
Do not perform any procedure in this Special Instruction until you have read the information and you understand the information.If the undercarriage shafts need to be replaced, different part numbers will need to be used.Shafts 354-8749 and 354-8750 are the Service replacement part for shafts 192-2864 and 192-2895.Required Parts
Table 1
Required Parts
Frame Group - Track Roller Shaft New Part Number Shaft Former Part Number Shims Used
188-1613 Track Roller Frame Gp - Left Front 192-2865 Shaft 354-8749 Shaft 190-2474 Shim
190-2475 Shim
190-2476 Shim
Rear 192-2864 Shaft 354-8750 Shaft 190-2486 Shim
190-2487 Shim
190-2488 Shim
190-2489 Shim
188-1612 Track Roller Frame Gp - Right Front 192-2865 Shaft 354-8749 Shaft 190-2474 Shim
190-2475 Shim
190-2476 Shim
Rear 192-2864 Shaft 354-8750 Shaft 190-2486 Shim
190-2487 Shim
190-2488 Shim
190-2489 Shim Assembly Procedure
Illustration 1 g06136122
(1) Shim Install Area
(2) 354-8749 Shaft - Front
(3) 354-8750 Shaft - Rear
(4) Shim Install AreaThe new shafts are 2 mm (0.078 inch) longer in the mounting area. The total thicknesses of the existing shims need to be reduced by 2 mm (0.078 inch). Use shim part numbers referenced in Table 1.