BOWL 4794724 - Caterpillar

Disassembly Procedure
Start By:
Remove the retarder hydraulic control valve. Refer to Disassembly and Assembly, "Retarder Hydraulic Control Valve - Remove".
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g01091638
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.
Remove bolts (10). Remove cover (9) .
Remove spool assembly (1) from body (14) .
Remove slug (15), spring (16), stop (17), and spring (18) from spool (1) .
Remove bolt (8), stop (7), diaphragm (5), retainer (4), bearing races (2), and thrust bearing (3) from spool (1) .
Remove pin (6) from retainer (4) .
Remove bolts (11). Remove cover (12). Remove O-ring seal (13) .
Remove plug (19), O-ring seal (20), spring (21), and plunger (22) from body (14) .