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 122 of 640
TM 9-2330-335-14&P
0016-4
0016
3
(Con’t)
Semiannual
or Every
6,000 Miles
Kingpin
c. Dimensions and wear:
1. Length: 3.324 + 0.010 to 0.000 in.
(84.43 + 0.25 to 0.00 mm) (new).
2. Wear: upper diameter at the bolster
plate should measure:
New: . . . . . . . . . 2.875 in. (73.03 mm)
Worn:. . . . . . Max. 2.75 in. (69.9 mm)
Wear meets or exceeds
maximum.
3. The flat surfaces above and below
the locking area are allowed no wear.
Wear is evident.
4. Fifth wheel locking area on
kingpin should measure:
New: . . . . . . . . . . 2.000 in. (50.8 mm)
Worn:. . . . . . Max. 1.87 in. (47.5 mm)
Wear meets or exceeds
maximum.
5. Surface damage criteria: Any
burrs, nicks, or gouges that exceed 0.12
in. (3.1 mm) in depth, or burrs that exceed
this measurement in height on the upper
diameter at bolster plate and/or at the
locking area of kingpin, should have
kingpin replaced. Notify Direct Support
Maintenance.
Surface damage meets or exceeds
criteria.
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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