TM 9-4940-568-20
2-19
Table 2-1. Unit Level Preventive Maintenance Checks and Services (PMCS) (CONT).
Item
No.
Interval
Item to Be
Inspected
Procedure
Not Mission
Capable If:
1
4
3
2
1
11
Semi-
Annual
Exhaust
System
Check rain cap (1) to ensure it operates freely
and that it closes off exhaust pipe when the
engine is not running. Replace rain cap if
missing or damaged (Para 8-23).
12
Semi-
Annual
Solar Vent
a.
Clean solar array (1) of solar vent (2) and
check for cracks or obvious damage.
b.
Clean electrical contacts inside battery
case (3). If battery (4) no longer performs at
peak performance, replace battery. Refer to
Para 12-2.