TM 9-2320-366-10-1
Table 2-1. Preventive Maintenance Checks and Services (All Models) (Cont)
Location
Item
No.
Interval
Item to
Check/
Service
Crewmember
Procedure
Not Fully
Mission Capable
If:
15
Before
AIR FILTER
RESTRIC-
TION
GAUGE
Check AIR FILTER
RESTRICTION GAUGE.
Press reset button if gauge
reads greater than 25 in.
(in red area). If gauge still
reads in red area after
reset button is pressed,
shut down engine and
service air filter (para 3-9).
Start engine (para 2-27a or
b). Notify Unit
Maintenance if gauge still
reads in red area.
AIR FILTER
RESTRICTION
GAUGE reads
greater than 25
in. (in red area).
Change 1
2-65
