PS Magazine - TB 43-PS-412
PS, The Preventative Maintenance Monthly
ISSUE 412
MARCH 1987
iI
M3A4
Smoke Generator .
..
I CaN HaRDL ' PUFF
IF m' GaSKETS aRE B±!
When tHat new M3A4 smoke generator sTrts ruNing, you operators and mechs
may fnd leaking Fel flters and sHuto± vaLves and overHeating engine heads. But
you can
f
them 1-2²3 with new gasKets a³d a
t²
o´ the wrencH.
OpERAT±Rs D± ²T
When you clean the Fel flter assembly, put i³ a µew gasket, ¶S¶ 5330-·-
83-16¸5¹don't replace tHe wHole assemblyº »he gasket sweL¼s when it's removeD
½om the flter. »Hen it won't seal again. »He gasket wi¼¼ be added to tHe On-Board
Spares in »¾ 3-1¿0À276²10.
³8
´µr 87
\)j
1J/
MEchs D± ²T
I´ the Fel sHuto± vaLve LeaÁÂ, tHe
generator Keeps runµing aÃer you
t²
it o±. Stop the leÄ by tigHtening tHe
valve's nut
1 t¶.
V /
Fu³l f´Lµ³¶ l³·K¸Ng? ¹³º g·»K³º
w´ºH ¼½¼ 5330-00¾83¿16À5!
Exhaust gas lÅng around the enGine
head causes the Head to overHeat, cuttiÆg
ChecK Çr sooty carbon around Èe
Head wHere it seaLs against the enGi³e
combustion cHamber. You should seÉ
cLÊan meË
·l
arouµd.
i
you
¸
caRn,
rePlace tHe old GasÁet
¹
tHe iÆterÌci³g
smoke output. I´ you Íel a lot o´ heat
ring o´ tHe combustion chamÎr wiÏhÐa
ÑdiaÒng Óom tHe Head ÔHÕ¼e tHe eµgiµe's
copper gasKet, ¶S¶ 5330²Ö-507×49Ø.
ÙÚg, sHUt dowµ and remove tHe Head
It seaLs beÏter. »He gasKet wi¼¼ be addeD
like it says on Ûage 3-Ü1 in your -lÝ»M.
to »M 3²Ü¿0²276²23Û.
º
:
»
¼
i'
I
New M3A4 Mount on the
Way
Þon't use the M2 mount, ¶S¶ Ü¿0²·²347-2434, Çr ißstàlli³g tHe M3-series
smoke Generator in the á
â
. »He M2's onLy Çr the Mã5Ü-series \-ton Ïräck
and M416²series \-ton tråler.
A new mount Çr tHe æ¾¾ç wèL be available in Üé¸7. Mounti³ê insÏëucì
tions wi¼l be in »¾ 3-Ü¿0-2¸1-20&Û, due out tHÕs montH.
íemember, M3îseries generators are supposed to generate smoke oµ¼y wheï
they're not moving. ¶ever oðrate aµ M3 iÆ a moving veHicleñ
´µr 87
³9
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