TM 10-4520-262-12&P
0010 00
0010 00-3
Table 1. Operator Preventive Maintenance Checks and Services
Item
No.
Interval
Location
Procedure
Not Fully Mission
Capable If:
Item to
Check/Service
1
Before
Air Supply and
Return Ducts
Check the air supply and return ducts (1
and 2) for holes and tears in the fabric.
Repair damaged ducts if possible, replace
duct if damage cannot be repaired.
Check outside surface of duct for any dirt
or debris. Clean dirt and debris from
exterior of duct with a clean dry rag.
Check for and remove any obstructions
inside of ducts.
Inspect straps (3) on ends of ducts for
broken buckles, cuts, abrasions, or other
damage that would prevent the ducts from
having a tight seal to the duct adapter or
debris grill.
Inspect the debris grill (4) on the end of
both ducts and ensure that the grills are
not broken or otherwise damaged.
There are holes, tears,
or other damage that
cannot be repaired and
that would permit air to
enter or escape
through the side walls
of the duct.
There are obstructions
within the duct that
cannot be cleared.
Straps on ducts are
broken.
Debris grill missing or
broken.
1
2
