ENGINE AR-PRIMARY 3452887 - Caterpillar

Illustration 5 g03749792
Remove seals (16). Remove bushings (17). Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
B 1P-1833 Adapter 1
6V-3160 Double Acting Cylinder 1
4C-9633 Puller Stud 1
3S-6224 Electric Hydraulic Pump Gp 1
9U-6833 Nut 1
5P-8250 Washer 1
C 5P-0960 Grease Cartridge 1
D 9U-5337 Bearing Puller Adapter 1
4C-9634 Puller Stud 1
6V-3160 Double Acting Cylinder 1
4K-0684 Hard Washer 1
9U-6832 Nut 1
3S-6224 Electric Hydraulic Pump Gp 1
Illustration 6 g03749792
Install seals (16). Use Tooling (D) to install bushings (17).
Apply Tooling (C) on the bearings and seals in the stick.
Illustration 7 g03749902
Use the following procedure in order to position the right link assembly (9) and left link assembly (8):
Move the left link assembly (8) until the link assembly makes contact with the stick.
Move the right link assembly (9) away from the stick.
Measure the clearance between the right link assembly (9) and the stick. The clearance should not be more than 0.8 mm (0.03 inch).
If the clearance is less than 0.8 mm (0.03 inch), the addition of shims will not be required.
If the clearance is more than 0.8 mm (0.03 inch), the addition of shims will be required. Install the shims that are required between the right link assembly (9) and the stick.
Apply Tooling (C) on pin (15), and install pin (15). Align the retaining bolt hole in pin (15) with the retaining bolt hole in left link assembly (8).
Install retaining bolt (14) and nuts (16).
Illustration 8 g03749541
Use Tooling (D) to install bearings (11) and seals (10).
Apply Tooling (C) to the bearings and seals of link assembly (1).
Use Tooling (B) to install bearings (13) and seals (12).
Illustration 9 g01012102
Prior to installing link assembly (1), be sure that the grease fitting in the rod end of the bucket cylinder is facing away from the stick.
Attach a suitable lifting device to link assembly (1), right link assembly (9) and left link assembly (8). The weight of link assembly (1) is approximately 27 kg (60 lb). Position the link assemblies on the rod end of the bucket cylinder. Apply Tooling (C) on pin (6). Install the pin that connects the link assemblies together. Align the retaining bolt hole in pin (6) with the retaining bolt hole in left link assembly (8). Install retaining bolt (5) and nuts (7).
Illustration 10 g01012084
Apply Tooling (B) on bucket pin (3). Position link assembly (1) at the bucket and install bucket pin (3) and the O-ring seals. Align the retaining bolt hole in bucket pin (3) with the retaining bolt hole in the bucket. Install retaining bolt (4) and nuts (2).
Illustration 11 g00356648
Use the following procedure in order to tighten all the nuts:
Position the outside nut even with the end of the retaining bolt or 0.5 mm (0.02 inch) beyond the end of the retaining bolt.
Tighten the inside nut against the outside nut to a torque of 70 15 N m (50 10 lb ft).
Lubricate the pins for the bucket control linkage. Refer to Operation and Maintenance Manual, SEBU7421, "Bucket Linkage - Lubricate"