TM 9-4120-404-14
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS)
Item
Interval
Item To Be
No.
M
Q
A
Inspected
Procedure
11
Fans
blades.
Check that fans are not rubbing against
scrolls.
Clean impeller fan blades.
Check for loose or missing mounting
hardware.
12
Evaporator Motor,
Remove return air louver per para.
Motor Bracket, and
Chassis
Check motor for loose, broken, or cut
wire leads and wire connections.
Check that motor rotates smoothly and
quietly.
Check for loose or missing mounting
hardware.
Inspect motor for bent shafts.
Check that chassis is not bent or warped.
13
Check motor for loose, broken, or cut
wire leads and wire connections.
Check that motor rotates smoothly and
quietly.
Check for loose or missing mounting
hardware.
Inspect motor for bent shafts.
3-21