TM 55-1520-240-23-3
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ADJUST NEW ENGINE AIR INLET SCREENS
(Continued)
4-63
ADJUST UPPER SCREEN
Make sure there is no foreign matter
in air inlet. If foreign matter is left in
inlet, damage to powerplant will occur.
When installing upper screen, do not
cover air holes on air inlet fairing. Air
pressure build up will damage fairing.
8.
Position upper screen (15) on lower screen (8)
and fairing (11). Make sure holes on fairing are
not covered.
9.
Trim cushions and flange on screen (15) as
required to obtain proper fit around air inlet fairing
(9) and drive shaft fairing (11). A maximum gap
of 0.25 inch is allowed.
INSPECT
10.
Secure six fasteners (16).
11.
On three Hartwell latches (1):
a.
Insert tee bolts (3) in holes (13).
b.
Tighten nuts (4) against trunnions (14) until
light force is required to close latches (1).
12.
On three Avibank latches (5):
a.
Insert tee bolts (7) in fairing holes (13)
and close latches (5). If latch closes with
moderate force, go to step 13. If not, go to
step 12b.
b.
Release latches (5) and remove tee bolts (7)
from holes (13).
c.
Tighten tee bolts (7) one turn.
d.
Insert tee bolts (7) in holes (13) and close
latches (5).
e.
Repeat steps b, c, and d until moderate force
is required to close latches (5) in step d.
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