TM 9-2320-283-20-3
ACCESSORY ITEMS.
3-302. AIR DIFFUSER ASSEMBLY REPLACEMENT (Continued).
LOCATION/ITEM
ACTION
REMARKS
D. OPERATIONAL CHECK.
13. FRESH VENT knob
Pull and push.
a. Refer to TM 9-2320-
and RECIR VENT
283-10.
knob.
b. Items (2) should open
and close freely.
NOTE
Follow-on maintenance actions required:
Install heater assembly (para 3-298).
3-1770