Operation Under Unusual Conditions (Cont)
2-47. MANUALLY RELEASE SPRING BRAKES.
a. Chock Wheels.
This procedure should only be used when vehicle air
system is totally inoperative and vehicle cannot be
towed with rear end raised by M984E1 wrecker.
Remove wheel chocks (1) from stowage.
Place wheel chocks (1) in front and back of one wheel (2) on third or
fourth axle (3 or 4).