PS Magazine - TB 43-PS-429
PS, The Preventative Maintenance Monthly
ISSUE 429
AUGUST 1988
Dear Windy,
There's some confusion about
what temperature to use in mak-
ing a Health Indicator Test (HIT) if
the temperature is a middle read±
ing.
We use the next higher tem±
pera²ure, but we're not sure that's
correct³
What do you say?
SSG
G.WL±
Dear SeRgeant G.W±L²,
Use the nearest outside air temperat³re
(OAT)
reading excEPt when the
OAT
falls dead CenTeR be´µeen
2
teMPerat³re mArks± When that haPpeNs¶ alµays
record the lower mark· not the higheR mark¸
"
.
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A gun mount stowed wrong can create a real headache fr yoU BLack Hawk
gunners-or anyone else sitting in the gunner's seat.
At least one gunNer got a big bump on the noggin when he was thrown frward
iNto the gUn mount as his bird Landed
hard.
Al ways stow the
M60D
machine gun
mount right when it's not being used.
Rotate or fLd the mount assembly aLL
the way FOrward Until the reLease arm
assembLy Locks into the inward stow
position.
CH-47 serie¶ .
.·
Separation Made Easy
Some Chinook engine mechanics get in a hUrry aNd grab a screwdriver to pry
apart the engine compressor hoUsing.
This LittLe trick breaks the ears on the
magnesium hoUsing.
Smart mechaNics Use FOur
l/4²28
bolts as jackscrews to separate the compressor
housing halves.
The boLts that hoLd the hoUsiNg together wilL do.
±r get yoUr A
YIM
machiNe shop to make yoU Four T²handles ³om steeL rods and
thread them
1/³-28
about two inches on the end.
´inches
aUg
8¸
39
Your mµchIne shop
cµn mµke you this
¶·hµnd¸e
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