Installation of Bearings for the Axle Hubs in Pneumatic Compactors{3282} Caterpillar

Paving Compactor:

PS-110 (S/N: 7MD1-UP)

PS-130 (S/N: 7ND1-UP)

PS-150B (S/N: 3XR1-UP)

PS-180 (S/N: 7PD1-UP)

PS-200B (S/N: 5JR1-UP)

Introduction

This Special Instruction provides information that is required in order to install the bearings for the axle hub.

Parts that are Required

Illustration 1	g00837914
(X) 44.455 ± .015 mm (1.7502 ± 0.0006 inch)

Illustration 2	g00837912
(1) 203-3904 Bearing (2) 207-5400 Boss (3) 207-5401 Pivot Pin (4) 3E-4370 Spring Pin

Illustration 3	g00847727
(A-B) Follow 1E0099A Specifications. (C-D) Follow 1E0099A Specifications. (Y) 15 mm ± 2 mm (Z) 31.5 mm ± 2 mm

Rework Procedure

1. Raise the machine. Block up the front end of the machine.

Show/hide table



Illustration 4	g00848694

2. Remove the front tires. Remove the existing pivot pins and remove the axles. Remove the tabs (5) that are located on the legs of the bolster.

3. Bore the holes for the pivot pins for all three axle housings. The dimension is shown in Illustration 1.

4. Install a 203-3904 Bearing into each end of each axle housing. The end of the bushing should be flush with the edge of the axle housing.

5. Insert the pivot pin into the pin bore of each bolster. Slide a 207-5400 Boss onto each end of each pin. The pins are located on each leg of the bolster. Position the boss so the hole for the spring pin is in the vertical position. Tack weld the boss to the bolster. Weld from point (A) to point (B). Then weld from point (C) to point (D). Remove the pivot pin. Finish weld the boss to the leg of the bolster. Repeat this process for the remaining bolster legs.

   Note: Do not weld the boss in place until the pivot pin has been removed. Overheating the pivot pin can cause nickel plating on the pin to flake off.

6. Install the axle, the pivot pin, and the spring pin.

7. Install the front tires.

8. Remove the blocks and lower the machine.

This special instruction is available through the normal literature distribution system. The publication can also be found on the Caterpillar Service Information System (SIS).