STRAP AS-GROUND 8X9618 - Caterpillar

Illustration 1 g00605594
Install Tooling (A) .Note: Tooling (A) must be modified in order to be used as a guide bolt. Position Tooling (A) in a suitable vise. Remove the head of the bolt in order to use Tooling (A) as a guide bolt.
Position a suitable lifting sling around brake anchor (20). Attach the suitable lifting sling to a hoist. Position brake anchor (20) for installation. The weight of the brake anchor is 50 kg (110 lb).
Illustration 2 g00604769
Install Tool (B) to yoke (19). Position a suitable lifting device on Tool (B). Secure the suitable lifting device to a hoist. Install the yoke. The weight of the yoke is 36 kg (80 lb).
Illustration 3 g00604766
Position a suitable lifting sling around pressure plate (17). Attach the suitable lifting sling to a hoist. Install pressure plate (17) and 19 springs (18). Install the pressure plate with the four screws that are used to manually release the parking brake. Refer to Operation and Maintenance Manual, "Parking Brake Manual Release". The weight of the pressure plate is 25 kg (55 lb).
Illustration 4 g00604765
Install four reaction pins (16) .
Illustration 5 g00604738
Install four friction discs (14) and three separator plates (15). Start with a friction disc.
Illustration 6 g00604736
Position a suitable lifting sling around end plate (13). Attach the suitable lifting sling to a hoist. Install end plate (13). The weight of the end plate is 60 kg (130 lb).
Install four rods (12) into the end plate.
Illustration 7 g00604733
Install two bolts (11) and the washers.
Remove Tooling (A) .
Illustration 8 g00604730
Install two bolts (9) and the washers.
Position guard assembly (10) for installation.
Install four bolts (8) and the washers.
Tighten four bolts (9) to a torque of 125 20 N m (90 15 lb ft) and then turn each bolt by an additional 180 5 degrees.
Illustration 9 g00604727
Install two seal assemblies (6) on piston (7) .
Install piston (7) into cylinder (3) .Note: Install the piston into the cylinder so that the vent hole that is in the piston is facing the parking brake assembly.
Install purge screw (5) into cylinder (3) .
Repeat Step 15 through Step 17 for the remaining piston and cylinder assembly.
Illustration 10 g00604720
Position cylinder (3) for installation.
Install two bolts (2) and the washers. Tighten two bolts (2) to a torque of 125 20 N m (90 15 lb ft) and then turn each bolt by an additional 180 5 degrees.
Repeat Step 19 through Step 20 for the remaining piston and cylinder assembly.
Install bolt (4), the retainer, and the O-ring seal. Tighten bolt (4) to a torque of 530 70 N m (390 50 lb ft).
Illustration 11 g00604717
Connect two hose assemblies (1) .
Purge the air from the parking brake. Refer to Disassembly and Assembly, "Parking Brake - Purge".End By: Install the center section of the front drive shaft. Refer to Disassembly and Assembly, "Drive Shaft (Center) - Remove".