DISC-BRAKE 5373995 - Caterpillar

Replacement of the Packing
Illustration 1 g00939700
(4) Bolt
(5) Washer
(6) Retainer
Remove bolts (4) and washers (5). Remove retainers (6).
Illustration 2 g01387828
Cross section view of seal guard
(3) Seal guard
(6) Retainer
(7) Inner packing
(9) Outer packing
(D) 2 mm (0.079 inch)
Inspect the packing and the seal guard for evidence of leaking through the packing. Remove packing (7) and (9) from seal guard (3). Oil leakage through the packing would indicate leakage of the Duo-Cone Seal Gp in the final drive. Inspect the Final Drive for oil leakage through the Duo-Cone Seal Gp. If oil is leaking through the seal, replace the Duo-Cone Seal Gp. Refer to the Service Manual.
Table 1
Required Parts
Part Number Qty Description
189-6244 2 Seal (packing)
129-1928 1 Grease Note: Each final drive seal guard requires two 189-6244 Seals (packing). The sections of packing are installed on top of each other in the groove of the seal guard.
Illustration 3 g00941695
(7) Inner packing
(8) Joint in the inner packing
(A) Diameter (A)
Install inner packing (7). Place a thin film of 129-1928 Grease on diameter (A). Stretch the packing during installation. Smooth the packing and keep the packing uniform. Minimize the joint (8) at the ends of the inner packing (7).
Illustration 4 g00940433
(9) Outer packing
(10) Joint in the outer packing
(A) Diameter (A)
(B) 180 degrees
Install the outer packing (9). Offset the joint in the inner packing (8) and the outer packing (10) at 180 degrees. Stretch the packing during installation. Smooth the packing and keep the packing uniform. Minimize the joint (10) at the ends of the outer packing (9).
Illustration 5 g00939660
(4) Bolt
(5) Washer
(6) Retainer
(9) Outer packing
(10) Joint in outer packing
(11) Joint in retainers
(C) 90 Degrees from joint in outer packing to joint in retainers Note: The joint (10) in the outer packing (9) must be offset 90 degrees (C) to the joints (11) in the retainers (6).
Assemble retainers (6) to seal guard (3) with washers (5) and bolts (4). The clearance at area (D) should be 2 mm (0.079 inch).
Repeat steps 3 through 5 in order to replace the packing on the other final drive, if necessary.