POST-SWING 2291412 - Caterpillar

Pilot Filter
Illustration 1 g01103135
Open the front access door on the right side of the machine.
Illustration 2 g03570316
Clean the area in order to keep dirt out of the filter base.
Remove the used pilot filter element from the filter base. Note: Dispose of used filters according to local regulations.
Clean the filter base.
Illustration 3 g00101502
Coat the seal of a new pilot filter with clean hydraulic oil. Tighten the pilot filter hand tight.
Install the new pilot filter by hand. Instructions for the installation of the filter are printed on the side of each Caterpillar spin-on filter. For non-Caterpillar filters, refer to the installation instructions that are provided by the supplier of the filter.
Close the access door. Case Drain Filters
Illustration 4 g03225501
The case drain filters are on the inside of the access door.
Illustration 5 g03225517
Clean the area in order to keep dirt out of the filter base.
Remove the used case drain filter from the filter base. Note: Dispose of used filters according to local regulations.
Clean the filter base.
Illustration 6 g00101502
Coat the seal of a new case drain filter with clean hydraulic oil.
Install the new case drain filter by hand. Instructions for the installation of the filter are printed on the side of each Caterpillar spin-on filter. For non-Caterpillar filters, refer to the installation instructions that are provided by the supplier of the filter.
Start the engine.
Drive the machine slowly for 10 to 15 minutes. Move each cylinder evenly through several cycles.
Illustration 7 g02154822
Return the machine to the servicing position. Check the machine for oil leaks.
Stop the engine.
Illustration 8 g03447276
(A) High temperature range
(B) Low temperature range
Maintain the oil level in the low temperature range for a cold machine. Maintain the oil level in the high temperature range for a machine that is at a normal operating temperature.
Illustration 9 g02024028
Pressurized system!The hydraulic tank contains hot oil under pressure. To prevent burns from the sudden release of hot oil, relieve the tank pressure with the engine off by slowly turning the cap approximately 1/8 of a turn until the cap reaches the secondary stop.
Illustration 10 g02275615
Filler cap
(A) LOCK position
(B) PRESSURE RELEASE - START position
(C) PRESSURE RELEASE - END position
(D) OPEN position
Release the pressure that may be present in the return hydraulic circuit with the following procedure. Refer to Illustration 10 for filler cap positions.
Turn the filler cap counterclockwise, with no downward force applied, and move the arrow from position (A) to position (B).
Release the pressure for a minimum of 45 seconds by moving the arrow from position (B) to position (C).
Push the center of the filler cap down. Without tilting the filler cap, move the arrow from position (C) to position (D).
The hydraulic tank pressure is relieved. The filler cap can now be removed if needed.
Tighten the filler cap on the hydraulic tank to position (A).
After the pressure is relieved, tighten the filler cap.