4-6 F-1005-1018
OPERATING INSTRUCTIONS
TABLE OF CONTENTS
Tractor and Semitrailer
Check-Out
WARNING
CAUTION
1. With hydraulic power operating, raise landing gear:
a. For pin drop landing gear, raise inner drop leg.
Secure each leg with a park stand retaining pin in
the full “up” position before transporting.
b. For crank landing gear, retract landing gear by
turning hand crank on control panel
counterclockwise. Use low gear until the load is
off the landing gear. Then shift to high gear and
continue cranking until fully retracted. Leave the
landing gear in high gear.
CAUTION
2. Determine that the traveling undercarriage is
completely slid back to transport position. Hold AXLE
CONTROL knob (See “Air Suspension Dump
Valve” on page 3-9) in the transport position until
hydraulic system works against the fully extended
hydraulic telescopic axle cylinder. Shut off hydraulic
power.
3. Check the operation of all lights and signals on the
semitrailer for proper response to switch positions
(stop, right turn, left turn, and clearance). Check
operation of remote function if present.
4. Check tire inflation; adjust as needed to the pressure
listed on the semitrailer VIN plate, located on the
front of the semitrailer.
5. Check tractor/semitrailer rig for air leaks. If air
leakage is found, repair the defect before
transporting.
6. Check the oil in each hub for proper level and
freedom from contamination. If hubs are
contaminated with water, dirt or some other foreign
material, clean before transporting.
7. Check tractor air pressure. Pressure must not fall
below 90 psi, even after activating brakes a couple of
times. Set parking brake and carefully remove all
wheel chocks. Set emergency brake and try pulling
forward. The semitrailer wheels must not rotate. If
semitrailer brakes do not apply, DO NOT transport
until defect, or defects, are repaired.
Failure to properly set and check parking brake,
and chock wheels when parking and during
storage, could allow movement of the
truck/semitrailer rig resulting in serious personal
injury, death, or damage to property in its path.
Always grip crank handle securely with both
hands. Never shift landing gear under load, leave
the gears in neutral or leave the crank unsecured.
1. Landing gear legs must be fully retracted. Pin
drop landing gear must be secured with pins
before operating or moving semitrailer.
2. If semitrailer is loaded when operating
landing gear, load must be centered on the
trailer.
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