ENGINE AR 2322474 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
(A) 7S-5437 Nitrogen Charging Group 1 Note: The hydraulic accumulator is installed in the pilot manifold that is located behind the right rear access door.
At operating temperature the implement hydraulic oil tank is hot and under pressure. Hot oil can cause burns.To prevent possible injury, release the pressure in the implement hydraulic system before hydraulic lines or components are disconnected or removed.
Release the pressure in the hydraulic system. Reference: Refer to Disassembly and Assembly, "Hydraulic System Pressure - Release".
Illustration 1 g00530693Note: Do not release the nitrogen from the hydraulic accumulator unless the unit will be disassembled.
Remove hydraulic accumulator (1) by turning the nut on the bottom. Remove the O-ring seal from the accumulator. Installation Procedure
Note: Prior to installing the accumulator, check the condition of the O-ring seal. If the seal is damaged, use new parts for replacement.
Illustration 2 g00530693
Install the O-ring seal in the accumulator. Install hydraulic accumulator (1) by tightening the nut on the bottom. Note: Tighten the cap on the accumulator to a torque of 3.0 0.3 N m (27 3 lb in).
Use Tool (A) to charge the hydraulic accumulator.
Check the oil level in the hydraulic oil tank. Refer to Operation and Maintenance Manual, "Hydraulic System Oil Level - Check".
Fill the hydraulic oil tank to the correct level. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change" and Operation and Maintenance Manual, "Refill Capacities".