CHAIN GP-CONVEYOR 2809921 - Caterpillar

Illustration 1 g00106984
(1) Hydraulic line. (2) Cab tilt control lever. The cab tilt hydraulic system is located behind the left engine access door.
Make sure that the cab tilt cylinder is fully retracted.Note: Refer to Operation and Maintenance Manual, "General Hazard Information" for information on Containing Fluid Spillage.
Disconnect line (1) from the valve.
Install a suitable drain line onto this valve.
Refer to Operation and Maintenance, "Refill Capacities" for the correct size of container that is needed to contain the hydraulic oil. Place the open end of the drain line into a suitable container and move cab tilt control lever (2) to the LOWER position in order to operate the machine.
When the volume of oil that is flowing from the drain begins to decrease, return the cab tilt control lever (2) to the center position.
Reinstall line (1). Make sure that the fittings are slightly loose. This will allow air to escape.
Refill the reservoir with oil until the level is 12 mm (0.5 inch) from the top surface of the reservoir.
Momentarily move cab tilt control lever (2) to the LOWER position in order to operate the pump. Return the cab tilt control lever to the center position. Observe the oil that is flowing from the loose fitting in line (1) .
Repeat the previous step until no air is visible in the oil that is flowing from the loose fitting.
Check the oil level in the reservoir. Add oil if it is necessary.
Tighten the fitting in line (1) .
Check line (1) for leaks.