GAGE A. 8S4620 - Caterpillar

1. Remove two tube assemblies (1) and (2) from the air compressor governor. 2. Remove two bolts (4). Remove air compressor governor (3) from the bracket.Install Air Compressor Governor
1. Put governor (1) in position and install the two bolts that hold it to the bracket. 2. Install tube assemblies (2) and (3) on the governor.Disassemble Air Compressor Governor
start by:a) remove air compressor governor 1. Remove cover (1) from the governor. 2. Remove snap ring (2) with tooling (A). 3. Remove spring assembly (5) and piston assembly (4) from the governor housing (3). 4. Remove jam nut (9), washer (12), nut (8), spring (7), retainers (6) and spacer (11) from bolt (10). 5. Remove O-ring seals (14) and (18) from piston (13).6. Remove pin (15), spring (19), retainer (17) and spring (16) from the piston.Assemble Air Compressor Governor
1. Check all parts for wear or damage. Make replacements if necessary. 2. Put O-ring seals (2) and (6) in position on piston (7).3. Install retainer (1), spring (5), spring (3) and pin (4) in the piston. 4. Install retainer (14), spacer (8), retainer (9), spring (11), nut (15), washer (11) and jam nut (12) on bolt (13). 5. Put piston assembly (16) and spring assembly (17) in position in housing (18). 6. Use tooling (A) to install snap ring (19). 7. Install cover (21) on governor assembly (20).end by:a) install air compressor governor