PS Magazine - TB 43-PS-431
PS, The Preventative Maintenance Monthly
ISSUE 431
OCTOBER 1988
1 •
I
I
Hard stArts in cold weather are part of
liF with M109-series howitzers. ±ol²
lowing the good words in TM 9-2350³
311³10 helps,
bu´ it's noµ
enough¶
Here's exactly how to make a cold
start:
First, set the park-
ing brake and shift
the transmission to
neutral. PuLl out The
±UE²
SHU³´OFF
SL.VE
@
³uRn the MASµE¶
switch To ON·
MASTER
Next, check foR
hydRostatic
lock
by
pushing
the
S³ A¶³E¶ swi¸ch
up to Sµ A¶µ for
a couple of sec-
onds,
then
re-
¹eaºe it»
0
StARtER
Repeat
a
couple
of
times
while
checking ·r symptoms of hydrostatic
lock¸
•
¹he engine starts to tuº over, then
stops o» biNds
•
¹he sta»ter makes a clickIng Noise
=
¼f you think the engiNe is locked,
stop craNkIng, tuº o½ the M¾S¹ER
switch, and ge´ your mechanic¿
To Star
Push
i
the ±UEL SHÀT-O±± haNdle.
SwitcÁ O ´he ±ÀEL Pà switch
and hold fÄr 45 seconds, ÅÁen releaseÆ
Set the
H
¹ÇOÈLE at idle
aNd tuº OÂ the M¾S¹ER switch¿
Press t¼e S³ A¶³E¶
swiTch to S³ A¶³ and
¸he
F²AME
HEA³E¶
switch
To ON
at
¸he
same time for about 30
seconds·
(Never
run
¸he staRt½¾ long½R than
30 seconds·)
MASTEr
s±Op cRAnking if ±he engine
²±A³². DO nO± depRe²² OR
pump ´he fOO± ±hROµle
while ±¶ing ±O ²±A³·
16
OC³88
-±²³´µ.¶·¸¹
±f².
1
³
´µ¶·-¸
!_
¹eº»¼½
¾
¿ÀÁÂÃÄ
ÅÆÇÈ
ÉÊ
ËÌ
ÍÎ
Ï
F
yÉu hÊear uËÌsual noises such as a
Watc¿ The enGIne'º oIl pRessuÀe
shÍÎ whÏne, or you feel unusual vÏbraÐ
gage ÁoR the ÁiRºT 15 ºecondº. ÂÁ it
tions aNd see a sudden increase iÑ
doesnÃt come up To 5Ä30 PSÂ Åt
exhaust
smoKe,
shut
Down
im-
550Æ600 ÇPM, ºToÈ the enGIneÉ
mediately and reÒort i´¿
oil
e
º
R
»¼;
uRe
NOW!ÊÅnd repoRT
St¸L¹ No Star?
¼f
the
engine
doesN't
s´ar´,
stoÒ
cranKing, release the
FA
HEÓTÔ
ÕR switch, and wait a miÑuteÖthat's
one minu´e×Be·re ´ryÏÑg again so
you won'´ buº up ´he s´aØÅer¿
WitÙ the hand thro´´le stiÚl on iDÚe,
press the ST ¾RTER switcÛ anD cycle
the ±L¾ME HE¾TER switch OÂ ·r
Ü0 seconds aÑd O±± ·r 3Ý secoÑds¶
Þon'´ use ´he ·o´ ´hrottle¶
¼f the engiÑe doesn't s´arÅ, wait a
mÏnute and ´ry again¿ Repeat ´his s´ep
two more times, waitiÑg at leas´ oNe
minu´e Between each at´empt¿
¼f the engine doesn'´ start after ·ur
attempts, call in your mechanicß Þon'´
make more tÛaÑ ·ur ´ries,
eveÑ iÑ
good wea´her¿ You'll ØàÑ down your
Ba´´eries and Buá up ´he s´aØter¶
º»E¼ ½t'¾ ¿UÀÀ¸ÀG
When the engiNe starâs, release the
switches¶
OC³ 8Ë
17
it·
But,
iÁ
the
oI¹
pResºureÌs OK, ºet
t¿e ¿Ånd throTtle ÁoR
1,200 ÇPM.
Wa¼MÁÀG tHE ÂÀG¸ÀE
WIT¿ The ÈaRÍing ÎRaÍe ºtIl¹ on,
ºhIft to 4th geÅR ÅÏd conTInue Ðo
eNGINE
cycle
Ðhe
FÑAME
WATeR TemP
HEAµEÇ
swItch
unTIl
The
engine
coolÅnt
temperÅ-
tÒRe
gÅge
ÀeÅds
1 20°Ó Ðo 140°±.
Eyebal¹ the TRÅnºÔiººIon teÔpeRÕ
atuÀe gage, thoÖ ×f IÐ getº c¹ose to
300°±Ø ImmedIÅte¹y ºhIft to neuTRŹ.
When the trÅnsmIº-
sion
tempeÀÅtÒÀe
goes back to 220°±
to 240°±, ºhift to 4th
GeaR
ÅgÅIn.
µhen
TemP
contInue
to
wÅRm
TRAnSmISS±ON OIl
uÈ The eÏgIne.
Shif´ ÏÑ´o neu´ral anD se´ the hanD
thro´tle bacK to ¼ÞLEã You're gooD to
go¿
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