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 TM 9-2330-331-14&P
0019 00
Table 4. Organizational PMCS - Continued
ITEM TO BE
ITEM
MAN
EQUIPMENT
CHECKED OR
PROCEDURE
NO. INTERVAL HOUR
NOT READY/
SERVICED
AVAILABLE IF:
CAUTION
Any bumps, valleys, or
warping of the coupler plate
will cause uneven loading of
the fifth wheel, which could
result in damage to the top
plate and poor lock life.
The coupler plate should
not bow upward (concave)
more than 1/16 in. (1.58 mm)
within a 19-in. (48.26-cm)
radius from kingpin.
The coupler plate should
not bow downward (convex)
more than 1/4 in. (6.35 mm)
within a 19-in. (48.26-cm)
radius from kingpin or more
than 1/8 in. (3.18 mm) at a
10-in (254-mm) radius from
kingpin.
6
Semi-
.50
Coupler Plate
This should be checked every 6,000
Annually
miles or semiannually, whichever period
is shorter.
NOTE
Lubrication is not required if
towing with a M915A3/A4, with
teflon coated coupler plate.
a. Clean coupler plate and kingpin.
Lubricate according to WP 0022 00-4
after checks are completed, if required for
prime mover.
Straight edge
b. Check flatness of coupler plate using
exceeds .25
a 48 in. (1.22 m) straight edge. Check
(6.35 mm) gap.
flat edge in all directions.
0019 00-5
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