TM 9-2350-256-10
3-11. APU AIR FILTER MAINTENANCE.
a.
Open filter housing clips (1) and remove housing (2).
b.
Remove wingnut (3), washer (4), plate (5), and filter (6).
c.
If filter (6) is dirty and clogged, clean in same manner as main engine air cleaner filter element (see para 3-10b(4)
thru 3-10b(9)).
d.
Install filter (6), plate (5), washer (4), and wingnut (3).
e.
Install housing (2) and filter housing clips (1).
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