freightliner CENTURY CLASS S Driver Manual page 176

Fifth Wheels and Trailer Couplings
drop into the closed position. Lock the latch by
lowering the pawl assembly.
Model 690: The pintle hook will automatically
close and lock from the pressure of the drawbar
eye against it. Install the linch pin.
NOTICE
Always make sure the connect-hanger/support
keeps the trailer air hoses and electrical cables
positioned so that they do not rub on anything.
Rubbing may wear through hoses or cables, re-
sulting in air leaks, or exposed or broken wires,
potentially affecting trailer brake or electrical sys-
tems.
5. Hook up the trailer's electrical and air lines.
6. Remove the chocks from the trailer's tires.
Trailer Release
1. Apply the truck and trailer parking brakes.
WARNING
Do not use the trailer air supply for parking trail-
ers not equipped with spring parking brakes.
This applies the trailer service brakes only. As air
bleeds from the trailer brake system, brake appli-
cation is lost. This could allow the unattended
vehicle to roll away, possibly resulting in serious
personal injury or death.
2. Chock the front and rear tires of the trailer.
3.
Disconnect the trailer air and electrical lines.
Plug the air lines to keep out dirt.
4. Take the weight of the trailer drawbar eye off the
pintle hook.
5. Open the coupling.
Models 260 and 460: Pull up on the pawl lock;
then, while squeezing the pawl wedges together,
lift up the pawl assembly. Lift up the latch, and
push it up against the pawl, locking the latch in
place.
Model 690: Remove the linch pin from the
handle, then push in on the handle and turn it
toward you. Open the pintle hook by pulling it
down and toward you. Release the handle, lock-
ing the pintle hook open.
10.17
6. Slowly drive the vehicle away from the trailer.
Holland Trailer Coupling
General Information
The Holland PH–T–60–AL trailer coupling is de-
signed for use with trailers having a maximum gross
weight of 10,000 lbs. It is a rigid type pintle hook,
used only on truck applications, and is fastened to
the rear closing crossmember of the vehicle. See
Fig. 10.20. It is a non-air adjusted coupling.
01/20/95
1. Lock
2. Cotter Pin
Fig. 10.20, Holland PH-T-60-AL Trailer Coupling
Operation
Trailer Hookup
1. Chock the front and rear tires of the trailer.
2. Remove the cotter pin, then lift the lock and raise
the latch.
3. Back up the vehicle until the drawbar eye is over
the pintle hook.
4. Lower the trailer until the drawbar eye rests on
the pintle hook.
5.
Close the latch, then insert the cotter pin.
NOTICE
Always make sure the connect-hanger/support
keeps the trailer air hoses and electrical cables
positioned so that they do not rub on anything.
Rubbing may wear through hoses or cables, re-
sulting in air leaks, or exposed or broken wires,
1
2
3
4
f310314a
3. Latch
4. Pintle Hook