Table 2. Operator Preventive Maintenance Checks and Services (PMCS) for 250M Fifth Wheel Towing Device
Not Fully Mission
Visually inspect kingpins (9) for
Excessive wear, cracks,
cracks, damage, or excessive wear.
Inspect for chips, nicks, gouges,
Nick, chip, or gouges
deeper than 1/8 inch
(.32 cm) is found
anywhere on wear surface
or wear exceeds 1/16
inch (.16 cm) over 25%
of wear surface.
Inspect kingpin plate for cracks
Kingpin plate is cracked
Check chains (10), load binders
(11) and other tiedowns for
serviceability and proper quantity.