WASHER 0936095 - Caterpillar

At operating temperature, the hydraulic oil is hot and under pressure. Hot oil can cause burns. To prevent possible personal injury, release the pressure in the implement hydraulic circuits (boom, stick, bucket, and swing), the travel circuits, and the hydraulic oil tank at the breather cap before any hydraulic lines or components are disconnected or removed. Remove the filler plug only when the engine is stopped and the filler plug is cool enough to touch.
1. Release the pressure in the hydraulic system as follows:a. Stop the engine.b. Place the engine start switch key to the "ON" position without starting the engine.c. Move the control levers for the fore boom, bucket, stick, and swing to all full stroke positions. Push down on the front and rear of the stub boom pedal (the first pedal to left of the steering column) several times. This will release any pressure that may be present in the pilot system.d. Slowly move the travel pilot control pedal to "FORWARD" and "REVERSE" travel positions. This will release any pressure in the travel circuit.e. Slowly loosen and remove the breather cap on the hydraulic tank to release the hydraulic pressure.f. Reinstall and tighten the breather cap on the hydraulic tank.g. The pressure in the hydraulic system has now been released. Lines and components can now be removed.
View From Above Main Control Valve (2) Showing Location Of Boom Drift Reduction Valve (1) 2. Put identification marks on hydraulic hose assemblies (3) for installation purposes. Disconnect hose assemblies (3) from boom drift reduction valve (1). Plug the hoses and fittings to prevent the loss of hydraulic oil and to keep dirt out of the hydraulic system.3. Remove the four bolts from two half flanges (5). Remove the half flanges to disconnect hose assembly (4) from boom drift reduction valve (1). Plug the hose and fitting to prevent the loss of hydraulic oil and to keep dirt out of the hydraulic system.4. Remove two bolts (6) that hold boom drift reduction valve (1) to pipe assembly (7). Remove boom drift reduction valve (1) from pipe assembly (7). Plug the fitting to prevent the loss of hydraulic oil and to keep dirt out of the hydraulic system. The following steps are for the installation of the boom drift reduction valve.5. Check the condition of all O-ring seals used in the hydraulic hoses and fittings that were disconnected. If any of these seals are damaged, use new parts for replacement.6. Install the boom drift reduction valve in the reverse order of removal.7. Fill the hydraulic oil tank with oil to the correct level. Refer to the Operation & Maintenance Manual for the correct filling procedure.Disassemble & Assemble Boom Drift Reduction Valve
Start By:a. remove boom drift reduction valve Fluid Spillage containmentCare 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