SUPPORT AS 3260757 - Caterpillar

Removal Procedure
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 g00773744
Disconnect two electrical connectors (2) .
Remove four bolts (1). Remove solenoid valve (3) and pressure reducing valve (4) from valve body (5) .
Illustration 2 g00782440
Remove four O-ring seals (7) from valve body (6) .
Remove valve (8) from valve body (6) .
Illustration 3 g00782441
Remove back up ring (14), O-ring seal (13) and back up ring (12) from valve (8) .
Remove O-ring seal (11), back up ring (10) and O-ring seal (9) from valve (8) .Installation Procedure
Inspect all parts and clean all parts. If any parts are worn or damaged, use new Caterpillar parts for replacement.
Inspect all seals. Damaged seals must be replaced. Use new Caterpillar seals for replacement.
Illustration 4 g00782441
Install O-ring seal (9), back up ring (10) and O-ring seal (11) on valve (8) .
Install back up ring (12), O-ring seal (13) and back up ring (14) on valve (8) .
Illustration 5 g00782440
Install valve (8) in valve body (6) .
Install four O-ring seals (7) in valve body (6) .
Illustration 6 g00773744
Install pressure reducing valve (4) and solenoid valve (3) on valve body (5). Install four bolts (1).
Connect two electrical connectors (2) .