PIPE AS 1033714 - Caterpillar

Illustration 1 g00609168
Park the machine on level ground. Lower the work tool to the ground so that the stick is vertical.
Move the hydraulic lockout control to the UNLOCKED position.
Turn the engine start switch to the ON position.
Move the joysticks and the travel levers/pedals to the full stroke positions in order to relieve the pressure in the pilot lines.
Turn the engine start switch to the OFF position and return the hydraulic lockout control to the LOCKED position.
Illustration 2 g01097883
Slowly loosen the fill/vent plug on top of the hydraulic tank in order to relieve the internal pressure of the hydraulic tank.
After the pressure is relieved, tighten the fill/vent plug.
Open the access door on the right side of the machine.
Illustration 3 g01098305
Clean the area in order to keep dirt out of the filter base.
Remove the used pilot filter element from the filter base.Note: Used filters should always be disposed of according to local regulations.
Clean the filter base.
Illustration 4 g00101502
Coat the seal of a new pilot filter with clean hydraulic oil. Install the new pilot filter in the filter base. Tighten the pilot filter hand tight.