*check fifth wheel (lower)
*securely mounted to frame;
-no missing, damaged parts
-enough grease
-no visible space between upper and lower fifth wheel
-locking jaws around the shank, not the head of kingpin
- release arm properly seated and safety latch/ lock engaged
*fifth wheel (upper)
-glide plate securely mounted to trailer frame
-kingpin not damaged
*air and electric lines to trailer
-electrical cord firmly plugged in and secured
-air lines properly connected to glad hands, no air leaks, properly secured with enough slack for turns
-all lines free frm damage
*sliding fifth wheel
-slide not damaged or parts missing
-properly greased
-all locking pins present and locked in place
-if air powered, no air leaks
-check that fifth wheel is not so far forward that tractor frame will hit landing gear or cab will hit the trailer during turns
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