TM 5-2330-325-14&P
Table 4-2. Unit Preventive Maintenance Checks and Services (PMCS) for M870A3 Trailer (MHET)
Location
Item To
Not Fully Mission
Check/
Item
Capable If:
Interval
Service
No.
Procedure
2
semi-annual
Brake air
Check all air hoses for leaks, kinks,
system
bends, cracks and missing mounting
clamps.
3
semi-annual
Brakes
Check for proper operation.
Failure to operate
Check for proper adjustment.
properly or out of
adjustment.
4
annual
Brake linings
Check brake Linings for sufficient
Excessive wear.
material.
annual
Brake linings
Check brake linings for damage.
Excessive damage.
5
semi-annual
Brake drums
Visually inspect brake drums for
Excessive wear, cracks,
cracks, scoring, gouging, or abnormal or damage.
wear.
annual
Brake drums
Measure brake drums to check for
excessive wear.
6
annual
Wheel
Remove wheel bearings and
Excessive wear or
bearing and
visually inspect for wear or damage.
damage.
seals
annual
Wheel
Visually inspect bearing seat for
Excessive wear or
bearing and
wear or damage.
damage.
seals
4-20
