PLATE 2200555 - Caterpillar

Removal Procedure
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 suitable to collect and contain fluids in Caterpillar machines.Dispose of all fluids according to local regulations and mandates.
At operating temperature, the hydraulic oil is hot and under pressure. Hot oils can cause burns.To prevent possible personal injury, release the pressure in the implement hydraulic circuit (boom, stick, bucket, and swing), travel circuits, and the hydraulic oil tank at the filler cap before any hydraulic lines or components are disconnected or removed.Remove the filler cap only when the engine is stopped and the filler cap is cool enough to touch.
Release hydraulic system pressure. Refer to Disassembly and Assembly, "Hydraulic System Pressure - Release" in this manual.
Illustration 1 g00357395
Turn the hex nut that is located at the bottom of the accumulator in order to remove accumulator (1) . Remove the O-ring seal from the accumulator.Installation Procedure
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 suitable to collect and contain fluids in Caterpillar machines.Dispose of all fluids according to local regulations and mandates.
Note: Check the condition of the O-ring seal prior to the installation of the accumulator. If the O-ring seal is worn or damaged, use a new part for replacement.
Illustration 2 g00357395
Install the O-ring seal on the accumulator. Install hydraulic accumulator (1) by turning the hex nut that is located at the bottom of the accumulator.Note: Refer to Operation and Maintenance Manual, "Lubricant Viscosities and Refill Capacities" for the correct filling procedure and the correct level for the hydraulic oil system.
Check the oil level in the hydraulic oil tank. Fill the hydraulic oil tank to the correct level.