OPERATING INSTRUCTIONS
3-5
Tractor and Semitrailer
Check-Out
WARNING
CAUTION
1. Activate the hydraulic power source.
2. Using the
TRAILER LIFT
lever, the trailer height can
be adjusted
(See “Preparation for Loading and
3. Before moving the trailer, activate the
TRAILER LIFT
lever
“DOWN” until the semitrailer load carrier rests
completely on the load blocks
(See Figure 3-1 and
4. 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.
5. Check tire inflation, adjust as needed to the pressure
listed on the semitrailer VIN plate, located on the
front of the semitrailer.
6. Check tractor/semitrailer for air leaks. If air leakage is
found, repair the defect before transporting.
7. 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.
8. 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.
Failure to support the semitrailer fully on the load
blocks during transport, may result in damage to
the load, the semitrailer, and possible serious
injury or death to individuals near the semitrailer.
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