SPRING 4504801 - Caterpillar

Removal Procedure
Start By:
Tilt the operator platform. Refer to Disassembly and Assembly, "Operator Platform - Tilt".
Tilt the cab. Refer to Disassembly and Assembly, "Cab - Tilt".
Personal injury can result from hydraulic oil pressure and hot oil.Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system.Make sure all of the attachments have been lowered, oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand.
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 g00803443
Note: The bypass valve is located on the top of the hydraulic oil tank and under the propel pumps.
Remove seven hose assemblies (1) from bypass valve (2) .
Remove two bolts (3) and bypass valve (2) from the top of the hydraulic oil tank.Installation Procedure
Illustration 2 g00803443
Position bypass valve (2) on the top of the hydraulic oil tank and install two bolts (3) .
Install seven hose assemblies (1) on bypass valve (2) .End By:
Lower the cab. Refer to Disassembly and Assembly, "Cab - Tilt".
Lower the operator platform. Refer to Disassembly and Assembly, "Operator Platform - Tilt".