TM 9-2320-392-10-1
M939/M939A1 AND M809 SERIES TOWING
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CONNECTION/DISCONNECTION - Continued
FRONT CONNECTION - Continued
19. Manually cage spring brakes on M939/M939A1/M809 (TM 9-2320-272-10/TM 9-
2320-260-10).
CAUTION
Stinger cam lock is normally locked in second rectangular hole on stinger
when towing an M939/M939A1/M809. It may be necessary to lock stinger
cam lock in third rectangular hole on stinger if winches or other components
mounted on front of M939/M939A1/M809 interfere with movement of
crossbar. Lock stinger cam lock in hole which will allow crossbar to rotate
freely. Failure to comply may result in damage to equipment.
It may be necessary to start with holes 4 or 5 on stinger when recovering a
vehicle on uneven ground. Once level ground is reached, lock stinger in
second hole. Failure to comply may result in damage to equipment.
20. Place STINGER lever (18) to IN position to retract stinger (19) until desired stinger
cam lock hole (24) is aligned.
21. Lock stinger cam lock (12).
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