REGULATOR 1397909 - 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.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the machine. 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 to collect and contain fluids in Caterpillar machines.Dispose of all fluids according to local regulations.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes to help prevent fluid loss and keep contaminants from entering the system.
Illustration 1 g06112262
Open access door (1). Close ball valve (2).
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Cut cable strap (3). Disconnect hose assembly (4) and place out of the way. Loosen hose clamp (6). Remove hose (5) and place out of the way.
Illustration 3 g06112296
Disconnect two hose assemblies (7), two hose assemblies (8), and two hose assemblies (9)
Illustration 4 g06112313
Disconnect three harness assemblies (10) and six harness assemblies (11).
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Disconnect six hose assemblies (12).
Illustration 6 g06112333
Remove bolt (13) and bolt (15). Remove right side control manifold (14).Installation Procedure
Install right side control manifold (14) in the reverse order of removal.