PINTLE TOWING

TM9-2320-273-10

d. Set the trailer hand brake. Disconnect and secure the trailer air hoses and Iight cable.

e. On the M915, unlock the fifth wheel by first pulling the primary release handle out and

lifting up to engage the catch. Then pull the secondary release handle out.

f. Slowly pull the truck forward until the semitrailer is supported by the semitrailer

landing gear.

g. On the M916 and M920, unlock the fifth wheel by first pulling the secondary lock

release handle out and raising it so that its catch hooks on the fifth wheel housing.

Then pull the primary lock release handle out and hook it in the unlocked position

the same as the secondary lock handle.

h. Have a crew member observe semitrailer kingpin to make sure it clears properly

during separation of the vehicles. Make sure the kingpin will clear the rear frame

crossmember when you pull the tractor forward.

i. Pull your tractor slowly forward allowing the semitrailer gooseneck and kingpin to

slide down the fifth wheel and ramps until the semitrailer landing gear touches the

ground.

PINTLE TOWING

Trailer Connections (M915, M916, M917 and M920)

1. Attach trailer to the pintle hook.

2. Connect the intervehicular electric cable from receptacle on rear of truck to the

trailer.

3. Connect air hoses from quick disconnect couplings ("glad hands") at rear of truck

to trailer.