GLASS-SIDE 9H9520 - Caterpillar

Illustration 1 g02560856
The pressure/vacuum breaker relief valve is located forward of the cab platform on the front frame of the machine
Illustration 2 g02560956
(1) Implement hydraulic oil tank fill cap (reference)
(2) Pressure/vacuum breaker relief valve
Press pressure/vacuum breaker relief valve (2) in order to relieve any pressure or vacuum in the hydraulic system.
Illustration 3 g02561342
Machine location of implement hydraulic system case drain filters
Locate the implement hydraulic system case drain filters. The filters are located on the rear-facing surface of the front frame on the right-hand side of the machine.
Illustration 4 g02561416
The four implement hydraulic system case drain filters are located on the front frame on the right-hand side of the machine
Use a strap type wrench to remove the filters. Dispose of the used filters properly.
Clean the filter mounting bases. Make sure that all of the used gaskets are removed from the filter mounting bases.
Lubricate the gaskets of the new filters with clean hydraulic oil.
Install the new filters by hand. When the gasket contacts the filter base, tighten the filter by an additional 3/4 turn.
Start the engine. Run the engine at low idle and check for leaks in the hydraulic system.
Check the hydraulic oil level. Reference: Refer to Operation and Maintenance Manual, "Hydraulic System Oil (Implement) - Check" for the correct procedure.
Stop the engine.