HOUSING AS-FLYWHEEL 2P4691 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 452-6006 Grease - Start By:
Remove the bucket.
When you are using hydraulic cylinders and puller studs, always ensure that the rated capacity of the puller stud meets or exceeds the rated capacity of the hydraulic cylinder. If the puller stud does not meet or exceed the rated capacity of the hydraulic cylinder, a sudden failure of the puller stud could occur. The sudden failure of the puller stud could result in personal injury or death.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g06317902
Park the machine on a hard, level surface. Fully extend the stick.
Extend the bucket cylinder out completely to rest bucket linkage (1) on a flat surface.
Release the hydraulic system pressure. Refer to Disassembly and Assembly, "Hydraulic System Pressure - Release".
Install a suitable cribbing under the bucket cylinder.
Illustration 2 g06317903
Illustration 3 g06317904
Attach a suitable lifting device to bucket linkage (1). The weight of bucket linkage (1) is approximately 80 kg (176 lb).
Remove bolt (2), outside nut (3B), and inside nut (3A).
Attach suitable lifting device to links (4) to lower links (4) after bucket linkage (1) is removed.
Remove pin (5) and bucket linkage (1).
Illustration 4 g06317905
Remove bolt (6), outside nut (7A), and inside nut (7B).
Remove pin (8) and links (4).Installation Procedure
Install the bucket linkage in the reverse order of removal.
Coat all bores for the pins with Tooling (A).
When installing the bucket linkage assembly, rotate the rod end of the bucket cylinder to position grease fitting away from the stick.
Illustration 5 g02763340
Install bolt (6), inside nut (7B), and outside nut (7A) that secure pin (8). Position outside nut (7A) until outside nut (7A) is 0.50 mm (0.019 inch) past end of bolt (6). Tighten inside nut (7B) against outside nut (7A) to a torque of 175 30 N.m (129 22 lb ft).
Install bolt (2), inside nut (3A), and outside nut (3B) that secure pin (5). Position outside nut (3B) until outside nut (3B) is 0.50 mm (0.019 inch) past end of bolt (2). Tighten inside nut (3A) against outside nut (3B) to a torque of 175 30 N.m (129 22 lb ft).