TM 55-1520-240-23-3
4-63
ADJUST NEW ENGINE AIR INLET SCREENS
(Continued)
4-63
ADJUST LOWER SCREEN
When installing lower screen, do not
cover air holes on air inlet fairing. Air
pressure build up will damage fairing.
3.
Have helper position lower screen (8) on engine
air inlet fairing (9). Make sure air holes on fairing
are not covered.
4.
Position strap (10) over engine drive shaft fairing
(11). Secure two fasteners (13).
5.
Trim cushions and flange on screen (8) as
required to fit around air inlet firing (9) and drive
shaft fairing (11). A maximum gap of 0.25 inch
is allowed.
INSPECT
Do not overtighten nuts on latches.
Overtightening can cause damage to
screens, latches, and fairings.
6.
On two Hartwell latches (1):
a.
Insert tee bolts (3) in fairing holes (13) and
close latches (1).
b.
Tighten nuts (4) until they contact trunnions
(14).
7.
On two 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 8. If not, go to
step 7b.
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 only a moderate
force is required to close latches (5).
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