TM-9-2330-335-14-P
SEMITRAILER, TACTICAL, BREAKBULK/CONTAINER TRANSPORTER, 22-1/2 TON, RESET M871R, M871A1R AND M871A2R
TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE MANUAL (INCLUDES REPAIR PARTS AND SPECIAL TOOLS LIST)
SEPTEMBER 2008
TM-9-2330-335-14-P - Page 121 of 640
0016-3
TM 9-2330-335-14&P
0016
2
Semiannual
or Every
6,000 Miles
Bolster Plate
CAUTION
• Any bumps, valleys, or warping of
the bolster plate will cause uneven
loading of the fifth wheel, which
could result in damage to the top
plate and poor lock life (WP
0091).
• The bolster plate should not bow
upward (concave) more than
1/16 in. (1.58 mm) within a 19 in.
(48.26 cm) radius from kingpin.
Failure to comply may result in
damage to equipment.
• The bolster 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. Failure to comply may
result in damage to equipment.
a. Clean bolster plate and kingpin (WP
0090). Regrease after checks are
completed.
b. Check flatness of bolster plate using a
48 in. (1.22 m) straightedge. Check flat
edge in all directions.
3
Semiannual
or Every
6,000 Miles
Kingpin
a. Inspect kingpin for straightness using
a square (WP 0090).
Kingpin is not square.
b. Lube and clean kingpin and plate.
NOTE
• Use kingpin gage to check wear,
straightness, and flatness of
kingpin and bolster plate.
• Dimensions are for both the
mushroom base and cruciform
kingpins.
Table 1. Organizational Preventive Maintenance Checks and Services (PMCS) - Continued.
ITEM
NO.
INTERVAL
MAN-
HOURS
LOCATION
ITEM TO
CHECK/
SERVICE
PROCEDURE
NOT FULLY MISSION
CAPABLE IF:
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