PS Magazine - AUGUST 1980
PS, The Preventative Maintenance Monthly
ISSUE 333
AUGUST 1980
between the air Inlet screens atop the
PersHing power statIon (AN/TJQ-9),
some Crews just let' em keep on fallIng
tILl they clog tHe air scReens.
Keep leavEs out
of r cesS
±Creen ,
YoU can±t stop leaves froM falling,
bUt Leaves can sure put down the
station±s expensive ($
6
5,55
6
.) gas
engine tUrbIne.
buildup Collapses and closes
the aIr screens, forcing leaves tHrougH
tHe hoses and air turbi²e to the oil
Cooler fins. The oIl tHen overheats and
the gas turbIne bearings fail.
At least 8 turbines went down froM
³
leaves in a sHort period in 1979´ Add
up that potentIal repair or replaCeµ
ment cost!
So, before each operation, cHeck the
screens and tHe area between them for·
Leaves or _other debrIs. ¶emove It
completely. WHen leaves are fallIng
yoU'd get double protectIon by sweep¸
ing the to¹ of the statIon clean. THat'd
prevent 'em from blowing around or
otHerwise beIng drawn Into tHe
screeqs.
A Pº»S check In tHe new Tº 9¼
½450¼382¾½0 (page 2¿15) Includes the
³
aboveÀ
18
'
.n
±
²³
mE
<he "Imu<h d•mpeÁ on
the traversing unit (TÂ) of your TOW
systÃm seeMs a Little wobbly, cheCk the
sCrewsÄ
Those
6
machIne sCrews that mount
the outer cone to the damper sUpport
may work loose, and tHat'll give yoU
play in tHe azImUth damperÅ Best beÆ:
TIghten the sCrews and use seaLer TÇ
290È21, NSN 8030¿01¼01½È9É25, on
them.
Êf you're wondering about tHose
lockIng wire Holes in the sCrews,
forget itÄ ËoU now use sealer Instead oF
wire.
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