TM 5-4220-225-14
(9)
Inspect filter elements (4) and replace if dirty, torn, or otherwise damaged.
(10)
Install 12 filter elements (4), air diffuser (3) and secure with cap (2).
(11)
Install ear clearing pad (1).
Figure 5-10. Air Diffuser Assembly, Repair.
FOLLOW-ON MAINTENANCE
Install air diffuser assembly (para. 4-22).
5-25