OPERATION UNDER USUAL CONDITIONS - CONTINUED
OPERATE SLIDING FIFTH WHEEL/COUPLE TO SEMITRAILER - CONTINUED
Check semitrailer lights.
Stow wheel blocks.
Lift and secure semitrailer landing gear and stow float pads.
OPERATE SLIDING FIFTH WHEEL/UNCOUPLE FROM SEMITRAILER
Use caution when uncoupling from semitrailer. BE ALERT for personnel in
area. Ensure that hands, arms, and body are clear of potential pinch points.
Failure to follow this warning may result in injury to personnel.
Truck and semitrailer must be aligned.
Use ground guide if one is available.
Stop truck and semitrailer.
Shift transmission into N (Neutral).
Block wheels as required.
Pull semitrailer air supply valve (1) OUT.
Apply parking brake.
Lower landing gear until a small space can be seen between bottom of trailer
and fifth wheel lube plates. Damage will occur if trailer edge drags across
fifth wheel lube plates.
Place float pads under semitrailer landing gear and lower landing gear.
Set semitrailer hand brake control valve and close semitrailer air supply valve.
To prevent damage to air hoses and electrical cables between trailer cou-
plings, ensure air hose and cable ends are placed in storage bracket.
Disconnect and stow semitrailer air supply lines and intervehicular cable.
If connected, disconnect and stow ABS electrical cable.
Place fifth wheel slide control lever (2) to UNLOCKED position.
Drive tractor forward to position fifth wheel from HAUL to LOAD position.
Place fifth wheel slide control lever (2) to LOCKED position. Ensure slide locking
plungers (3) engage.