ENGINE AR 2932055 - Caterpillar

Removal Procedure
At operating temperature, the hydraulic tank is hot and under pressure.Hot oil and components can cause personal injury. Do not allow hot oil or components to contact skin.Remove the filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. Remove the filler cap slowly in order to relieve pressure.
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.
To prevent dirt and contaminants from entering the hydraulic system, always plug or cap the lines, fittings, or hoses as they are disconnected.This action also lessens the chance of oil spills.
Turn off the engine. Apply the service brake several times in order to relieve the pressure in the brake system.
Put identification marks on all lines, hoses, wires, and tubes for installation purposes. Plug all lines, hoses and tubes. This helps prevent fluid loss and contamination of the oil system.
Illustration 1 g00573159
Illustration 2 g00575177
Disconnect all wire connectors (1) from service brake valve (2) .
Disconnect six hoses (3) from service brake valve (2). Remove the O-ring seals from six hoses (3) .
Remove two nuts (4) from service brake valve (2). Remove the service brake valve.