TM 5-2330-325-14&P
Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET)
Location
Item To
Check/
Item
Not Fully Mission
Interval
Service
No.
Procedure
Capable If:
NOTE
Review all WARNINGS,
CAUTIONS, and NOTES before
performing PMCS and operating
the trailer.
Perform all PMCS checks if:
a. Yo u are the assigned
operator
but
have
not
operated the trailer since the
last inspection.
b. Yo u are operating
the
trailer for the first time.
1
Before
CHASSIS
Visually inspect chassis for damaged Excessive wear, cracks,
or missing components.
or damage.
2
Before
SUSPENSION
Inspect suspension and related
Any component or hard-
hardware for serviceability
ware that is broken,worn
or missing
3
Before
GOOSENECK
Inspect gooseneck for cracks,
Excessive wear, cracks,
damage, or excessive wear.
or damage.
Inspect hydraulic components for
Any class III leaks are
leakage.
evident.
4
Before
KINGPIN
Visually inspect kingpins for cracks,
Excessive wear, cracks,
damage, or excessive wear.
or damage.
5
Before
Inspect for chips, nicks, gouges,
Nick or chip deeper than
and wear.
1/8 in. (0.32 cm) is found
anywhere on wear
surface, or wear exceeds
1/16 in. (0.16 cm) over
25% of wear surface.
6
Before
Inspect kingpin plate for cracks and Kingpin plate is cracked
dents.
or dented.
7
Before
GLADHANDS
Inspect gladhands and rubber
Any gladhand or rubber
grommets for serviceability
grommet is missing or
unserviceable.
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