COVER 1507927 - Caterpillar

Disassembly Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     1P-1861     Internal Retaining Ring Pliers     1    Start By:
Remove the front slack adjuster or remove the rear slack adjuster. Refer to Disassembly and Assembly, "Slack Adjuster (Front) - Remove" or Disassembly and Assembly, "Slack Adjuster (Rear) - Remove".
Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal components.Note: The disassembly procedure is identical for both the slack adjuster for the front brakes and for the slack adjuster for the rear brakes.Note: The disassembly procedure is identical for both the right side of the slack adjuster and the left side of the slack adjuster. For simplicity, the disassembly procedure for only one side of the slack adjuster is shown. Repeat this procedure for disassembly of the opposite side of the slack adjuster.
Illustration 1 g00481644
If necessary, remove three fittings (2) from slack adjuster (1) and housing (3) .
Illustration 2 g00481647
Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
Note: Housing (3) is fastened to base (4) under spring force. Retain housing (3) by hand while you are slowly removing the housing from base (4) .
Remove housing (3) and spring (5) from base (4). Remove O-ring seal (6) from base (4) .
Illustration 3 g00481648
Remove piston housing (7) from housing (3) .
Illustration 4 g00631814
Use Tool (A) to remove retaining ring (8) from piston housing (7) .
Illustration 5 g00481650
Remove piston housing (7) from piston assembly (9) .
Illustration 6 g00481652
Remove piston (10) from piston housing (7). Remove spring (12) and spring (13). Remove O-ring seal (11) and two O-ring seals from piston (10) .
Repeat Step 3 through Step 7 for the remaining side of the slack adjuster.