BUMPER AS 3877664 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 422-2352 Stand Assembly 1
B 350-7768 Electric Hydraulic Pump Gp 1
316-1496 Hydraulic Cylinder Gp 1
FT-3039 Receiving Sleeve 1
FT-3038 Puller Plate 1
5P-4776 Tool Stud 1
9U-6833 Nut 1 Start By:
Remove the stick cylinder.
Remove the stick.
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.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes to prevent fluid loss and to keep contaminants from entering the system.
Illustration 1 g01233220
Illustration 2 g01233222
Attach a suitable lifting device to the rod end of boom cylinder (3). The weight of the rod end of boom cylinder (3) is approximately 25 kg (55 lb). Remove bolt (1) and pin assembly (2). Lower the rod end of boom cylinder (3) onto Tooling (A).
Illustration 3 g01233224
Disconnect harness assemblies (4) and (5). Remove cable straps (6).
Illustration 4 g01233285
Remove clip (7). Disconnect hose assemblies (8).
Illustration 5 g01233290
Install pin assembly (10) that retained the head end of the stick cylinder. Install bolt (9). Attach a suitable lifting device to pin assembly (10). Pin assembly (10) will be used for the removal of boom assembly (11). The weight of boom assembly (11) is approximately 295 kg (650 lb).
Illustration 6 g01233291
Illustration 7 g01233293
Remove bolt (13) and pin assembly (12). Remove boom assembly (11).
Illustration 8 g01233350
Use Tooling (B) to remove bearings (14) (not shown) from boom assembly (10).