PS Magazine - TB 43-PS-431
PS, The Preventative Maintenance Monthly
ISSUE 431
OCTOBER 1988
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Plug Fuel L±ne prob²ems
Give special attention to the fel Line
and fel hose during PMCS. ±ook Fr
cracks,
dAmp
spots,
²Aying-AnY
problems that could Become leaks .
³uel hoses in particuLar wear out ´µst
on the M3¶4. ·ecause the M3¶4 gets
very hot around the heAd, it will ignite
leakIng ¸uel.
EyebaLL
the backup hose,
too.
¹t
could save your bacon in the ºield i´
You get a leAker.
Report anY proBlems.
ShoR Strokes
³UM´ THE MaGNETO aµ¶ ´UM´ HaNd·E
wµTH qUµcK ¸T¶OKE¸ Of
6
µNcHE¸.
That's even more important on the new
M3¶4 because its handLe sLides out
o´»and
cracks-its
housing
more
eAsiLy than the oLd generator.
Don't push down on the magneto air
pump handLe-it WilL break!
During PMCS, gently pull out the
magneto
a
pump handle to almost its
fLl length. Eyeball it Fr cracks. Re¼
port any tO Your mech½ That saves You
A broken handle in the ¾eld.
For ¹eChs ºn»y
TM 3¿1040À276À23 says to do the
PMCS lubrication procedures every 6
months. Strike thAt. ¶ÁCCÂM now
wants
you
to
lube
M3¶4's
every
month.
Not enough air pressure to start?
¼¶Y cOa½µNG ½HE ¸·EEvE NUT aNd fE¾T
wa¸HE¶ µN THE aµ¶ ´UM´ w¿½H Oµ·À
Âil makes a better seal.
Ãhen you replace the copper gasket,
NSN 5330À00Ä507Ä4900, in the interÅ
Æacing ring o´ the comBustion chAmBer,
bend the gasket's tabs out. Âtherwise,
the gasket will come out next time the
head's cHanged. That means leÇing
exhaust gas and overheating heads.
54
Áool WÂAÃ ÄÃ
¶lways store tools in the toolbox
wrapped in the tool roLl. ·ecause o´
its position, the toolbox gets a Lot o´
heat. The tool roll keeps the tools ²om
becoming ÈingerÀbuÉing hot.
r, -
EN±D²
LeveL indicator panel don't gLow, you'lL
never know how much water's LeÊ in
your tank.
Ëour mechanic can get buLb replaceÌ
ment kIts Fr the MC ³oam ³Luidmeter
with NSN 4210À01À271Ä6202 and Fr
the Mark 5Àseries water leveL indicators
with NSN 4210À01À271Ä6203 .
The kits include buLbs Fr the cab
And outside indicators, A replAcement
tooL and instÍuctions.
¹´ the bulbs Are good, but the indiÎ
cator's still not working, You could
have a bum module.
To test the module without removing
it ²om the panel, use service Kit NSN
4210À01À271À6204. ¹nstructions come
with the kit.
ÅÆÇ88
COOLER•
55
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