TM 9-4120-402-14
Table 4-2. Unit Preventive Maintenance Checks and Services (PMCS)
Quarterly Schedule - continued
Item
Item to be
Procedures
Paragraph
Number
Inspected/Serviced
Reference
NOTE
Items 21 and 22 apply only to units with
accessory item blast damper
21
Blast Damper Fresh Air Filter
a.
Remove, clean, inspect, and service filter (34).
and Actuator Hood Screen
b.
Discard filter and obtain replacement, if damaged.
c.
Clean actuator hood screen (35).
22
Blast Damper Door
Check that damper door is in the open position.
REINSTALL THE FOLLOWING ITEMS:
Fresh Air Filter and Screen
Conditioned Air Filter and Retainer
Lower Front Cover
Conditioned Air Intake Grille
Mist Eliminator
Top Panel
Conditioned Air Outlet Grille
Fabric Cover (Partial)
Check to be sure that all items are back in place
and secure.
4-34