2-11. TRAILER CONNECT/DISCONNECT TO VEHICLE OTHER THAN PLS.
Drawbar weighs 425 lbs (193 kg), (850 lbs (386 kg) with drawbar extension, if equipped).
Drawbar may raise quickly or fall suddenly to the ground when released from coupler. Do
not allow feet or body to get under or above drawbar. Serious injury to personnel may result.
Do not stand between trailer drawbar and truck coupler during hook-up procedures to prevent
being pinned between truck and trailer. Serious injury or death could result to personnel.
Wheels on trailer must be chocked to prevent trailer from moving during hook-up
procedures. Serious injury or death could result to personnel.
Trailer drawbar must be in extended position when trailer is to be towed by another vehicle
other than a PLS truck. Failure to extend drawbar may cause severe damage to trailer and
Adjust drawbar to extended position, with drawbars without extension kit or drawbars with extension
kit stowed, (Para 2-10).
Chock wheels of trailer, (Para 2-20).
Back up vehicle until coupler (1) is approximately six in. (15.24 cm) from trailer drawbar (2).
Refer to applicable operator manual and set vehicle parking brakes and set transmission to Neutral (N).
Trailer air bag must be charged with air for air assist lever to work.
Move air assist lever up to raise drawbar and down to lower drawbar.
If necessary, charge trailer air bag with air, (Para 2-22).
With drawbar extension kit installed, drawbar must be in retracted position (Pushed In) in order
for air assist to lift drawbar to level of coupler.
Move air assist lever (3) on drawbar air assist valve (4) to UP position and raise drawbar (2) to level of
Place air assist lever (3) in NEUTRAL position.