ENGINE AR-COMP 1842964 - Caterpillar

Parking Brake
Do not use the parking brake to stop the machine.
Illustration 1 g00848612
Parking Brake Reset Valve (1) - When the air system is drained, parking brake reset valve (1) will not allow the parking brake to be released until the parking brake reset valve (1) has been reset.
Parking Brake Control (Switch) (2) - Move parking brake switch (2) to the OFF position in order to release the parking brake. Move parking brake switch (2) to the ON position in order to engage the parking brake. The parking brake switch (2) is located on the console next to the transmission control. Use parking brake switch (2) to engage or disengage the parking brake when you park the machine.The machine is equipped with spring applied parking brakes. The spring force engages the brakes on the rear wheels. Hydraulic pressure is used to disengage the brakes. If hydraulic pressure is unavailable, the brakes will remain engaged.
Illustration 2 g00860100
If hydraulic pressure is unavailable and the machine must be towed, use the brake release and secondary steering switch (3) in order to disengage the parking brake. Refer to the Section on Towing Information in this manual or consult your Caterpillar dealer for further information on towing an inoperable machine.