OPERATION UNDER UNUSUAL CONDITIONS - CONTINUED
MANUAL RELEASE OF PARKING BRAKE
Do NOT operate machine if parking brake was applied due to a malfunction of airbrake system or parking
brake. Correct any problem before attempting to operate machine. Personal injury or death can result from a
Hitch and steering movement can reduce clearances and suddenly cause personnel injury. Always stop engine
BEFORE working in area of hitch link.
This procedure describes manual release of parking brake in order to tow machine.
Assistance from Unit Maintenance is required.
Manual Release of Parking Brake.
Block all wheels.
Charge air system of disabled machine, if required.
Use air from recovery vehicle applied to quick dis-
connect air chuck at rear of air tank of disabled
d. Release parking brake.
e. Remove cotter pin and straight pin from rod end.
f. Engage brake and clear rod end from lever.
Reconnect Parking Brake.
Release parking brake.
Install straight pin and cotter pin in rod end.
Remove blocks from wheels.
COTTER PIN AND