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Clean inside windshield, door windows and instruments. Clean mirrors.
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Check temperature control and defroster. If equipped, check mirror heater.
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Check condition of warning triangles, fire extinguisher and flares.
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Adjust the seat. Check mirror adjustment.
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Check safety belts for function and damage.
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Apply service brakes. After initial drop, pressure should hold steady, or increase
slightly, with engine at idle.
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Check steering wheel for excessive free play.
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Check for loose items in the cab. Secure them if necessary.
Hooking Up To Trailer
Hook-Up Preparation
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Check kingpin and mounting plate on trailer, free from wear, bends or damage.
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Chock trailer wheels.
Fifth Wheel or Trailer Hitch
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No visible space between fifth wheel and trailer.
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Locking jaws around the shank and not the head of kingpin.
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Release lever properly seated and safety latch/lock engaged.
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Check all connections to dolly or trailer hitch and safety chains are secured.
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Check function of trailer air supply valve and trailer brakes.
OPERATION
235
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