TM 9-2320-363-10
2-22.
OPERATE SLIDING FIFTH WHEEL (M916A1 AND M916A2).
DO NOT tow 6,000 gallon water distributors with a
partial load except when in use on construction
sites and a maximum speed of 10 mph. When towing
outside of construction sites, TRAILERS MUST BE
EMPTY OR FULL. Either drain water distributor
empty (preferred) or fill to capacity. MAXIMUM
SPEEDS FOR BOTH TRAILERS ARE: HIGHWAY 55
MPH, GRAVEL/DIRT 30 MPH, OFF-ROAD 5 MPH.
Failure to follow this warning could result in unsafe
driving conditions causing serious injury or death to
personnel and damage to equipment.
When towing model WD6S 6,000 gallon water dis-
tributor, fifth wheel must be in rear setting (LOAD
HAUL-M172). For model 60PRS, fifth wheel must be
at rear setting (LOAD HAUL M172) to load and front
setting (HAUL M870) to tow. For all models, travel
lockout must be engaged to prevent side-to-side
oscillation of water distributor. Failure to follow this
warning could result in unsafe driving conditions
causing serious injury or death to personnel and
damage to equipment.
The M916A1 and M916A2 is designed to be used
with M870 and M172 semitrailers and models 60PRS
and WD6S water distributors. Other semitrailers
may cause equipment damage.
Trailer must be blocked and trailer brakes locked to
prevent damage to tractor or trailer by uncontrolled
sliding fifth wheel.
If towing M172 trailer, rear mud flaps must be
removed and stowed. Failure to do so will cause
equipment damage.
a.
Pull secondary lock release handle (1) before releasing the primary
lock release handle (4).
2-100
