FENDER ASSEM. 4D1779 - Caterpillar

Note: Cleanliness is an important factor. Before the installation procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
Illustration 1 g00783742
Install O-ring seal (21) onto bearing carrier (8).
Use Tooling (A) in order to install new lip seal (20) into the bearing carrier (8). Fill 1/3 of the cavity in bearing carrier (8) with Tooling (C) in order to lubricate lip seal (20).
Illustration 2 g00783741
This is a view from the hitch area.
Position bearing carrier (8) onto the hitch tube. Install bolts (19) in order to connect bearing carrier (8) to the hitch tube.
Illustration 3 g01196527
Raise the temperature of bearing (16) in order to install bearing (16) onto hitch drive shaft (14). Turn over hitch drive shaft (14) and install retaining ring (18) that is used to secure bearing (18) to bearing carrier (4) in step 6. Repeat the procedure in order to install the bearing onto the opposite end of the hitch drive shaft (14).
Illustration 4 g01196525
Use Tooling (A) in order to install new lip seal (18) into bearing carrier (4). Fill 1/3 of the cavity in bearing carrier (4) with Tooling (C) in order to lubricate lip seal (18).
Illustration 5 g01196521
Install O-ring seal (17) onto bearing carrier (4). Install hitch drive shaft (14) and roller bearing (16) into bearing carrier (4). Use Tooling (B) in order to install retaining ring (15) into bearing carrier (4).
Illustration 6 g00783239
Coat the splines at the end of hitch drive shaft (14) with grease. Install shaft yoke (13) and the O-ring seal onto hitch drive shaft (14). Install bolt (11) and washer (12) in order to secure shaft yoke (13) to the bearing carrier (4) and the hitch drive shaft (14).
Illustration 7 g00783219
This is a view from the underside of the rear frame.
Use two people in order to install bearing carrier (4) and hitch drive shaft (14) to the hitch tube. The weight of bearing carrier (4) and hitch drive shaft (14) is approximately 41 kg (91 lb).
Install bolts (9) in order to secure bearing carrier (4) to the hitch tube. Tighten bolts (9) to a torque of 100 20 N m (74 15 lb ft). Note: Ensure that the two remaining bolt holes in the bearing carrier are adjacent to each other for installation of the locking plate in step 13.
Note the orientation of lip seal (10), and install lip seal (10) onto bearing housing (4).
Illustration 8 g00783315
Coat the splines at the end of hitch drive shaft (14) with grease. Install shaft yoke (7) and the O-ring seal onto hitch drive shaft (14). Install bolt (5) and washer (6) in order to connect the shaft yoke (7) to bearing carrier (8) and hitch drive shaft (14).
Illustration 9 g00783214
Apply Tooling (D) to the threads of thrust flange (3). Install thrust flange (3) onto bearing carrier (4). Insert locking plate (2) and a suitable 3/4 inch breaker bar into the holes in thrust flange (3) in order to tighten the thrust flange. Note: For the correct setting procedure, refer to