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TM 9-2320-270-10
TOWING - CONTINUED
5. Push in M911 Truck Tractor PARKING BRAKE control (18) to release parking
brakes of both vehicles.
6. Push in towing M911 Truck Tractor TRAILER AIR supply control (17) to charge the
air system of the disabled vehicle.
WARNING
If your vehicle is to be towed, apply parking brake and place chocks
in front of wheels prior to hook-up of tow bar and prior to discon-
necting tow bar. Work between wrecker or towing vehicles and the
disabled vehicle with extreme care. Vehicles having air actuated
spring brakes and an inactive air system, uncage the spring brakes
before the vehicle is separated from the towing vehicle. Failure to
follow this warning may result in serious injury or death.
NOTE
If air is not available to disabled vehicle, it may be necessary to manually release
spring brakes to allow towing with rear axles on the ground.
Disabled vehicle rear service brakes and brake lights will operate when tow vehicle
service brakes are applied.
Change 3
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