PUMP GP-LUBRICATION 1554809 - Caterpillar

Relieving Hydraulic Pressure
Run the extendable stick outward. Hold the extendable stick at the stop for 5 seconds.Note: Actuate the top of the auxiliary foot pedal or actuate the auxiliary control lever away from the operator for 5 seconds for machines that are not equipped with an extendable stick.Note: Refer to steps 2 to 7 in order to relieve hydraulic pressure on all other functions.
Illustration 1 g00830398
(1) Engine start switch (2) Hydraulic lockout switch
Turn the engine start switch key to the OFF position.
Turn the engine start switch key back to the ON position, but do not start the engine.
Place the hydraulic lockout switch (2) (If Equipped) into the UNLOCK position.
Actuate all hydraulic control levers and pedals back and forth in order to relieve hydraulic pressure.
Move all hydraulic control levers into the HOLD position.
Turn the engine start switch to the OFF position.