PINTLE TOWING PROCEDURES (Cont).
Failure to completely turn ON or OFF air cutoff valve will
cause loss of brakes on trailer or truck.
See paragraph 2-22 for use of trailer handbrake.
Open trailer air supply valve on hosetenna behind cab (all tractors)
and push in trailer air supply knob on instrument panel.
2-26. MUD FLAP STOWAGE (ALL EXCEPT M917A1 AND
If towing M172 or M672 trailer, rear mud flaps must be
removed and stowed in brackets. Failure to follow this
caution may result in equipment damage.
Remove lock pin (1).
Pull up on mud flap (3) and remove. Tap spring upward with hammer
Place mud flap (3) in stowage bracket (2) and insert lock pin (1).
When towing operations are complete, remove lock pin (1) and mud
flap (3) from stowage bracket (2).
Position mud flap (3) on vehicle and install lock pin (1).