PIN-TAPERED 1199401 - Caterpillar

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 to "Tools And Shop Products Guide", NENG2500 for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose fluids according to local regulations and mandates.
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 and bucket) before any hydraulic lines or components are disconnected and removed.
1. Release the pressure in the implement hydraulic circuits (boom, stick, and bucket) before any hydraulic lines or components are disconnected or removed as follows:a. Start the engine. Fully extend the stick and bucket. Lower the stick and bucket to the ground.b. Shut off the engine, and place key in the "ON" position. Put the hydraulic activation control lever in the "UNLOCK" position.c. Move the control levers for boom, stick and swing to all full stroke positions. This will release any pressure that might be present in the pilot system.d. Return the key to "OFF" position.e. Slowly loosen the fill plug on the hydraulic tank, and release the pressure.f. Tighten the fill plug on the hydraulic tank to as torque of 68 7 N m (50 5 lb ft).g. The pressure in the hydraulic system has been released and lines and components can be removed.2. Clean the outside of the swivel joint and the area around the swivel joint prior to removal. 3. Put identification marks on six hose assemblies (1) as to their location on