PS Magazine - OCTOBER 1979
PS, The Preventative Maintenance Monthly
ISSUE 323
OCTOBER 1979
1,
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automaticalLy like on the M39-series
, ¶¸ ¹:=
-
5±ton
and· TM±209±series
"
²
diese³/muLtifuel 2VHon tRucks.
Do you ´ave a coµd-natuRed M809±
se¶ies 5¸toN tRUck?
Just let t´e tempe¶atuRe dRop¹to,
say, a¶ound fReezing¹and you find it
aLmost impossible ºo get your engine
staRted»
It could be t´e manifOld heater glow
pLug is bu¶ned out¼
Glow plug·
s
¶otTa ¶
l
Ow
DRi½eR sometimes forget to tu¶n
t´e cold±start switc¾ to ¿FF¼ À¾is'll
buRn out t´e GLow plug¼ And ÁthatÂs
hard to dÃtect because the iNdicatoR
lig´t wÄll stiÅl gLow¼
Your mech can check it out as
The coldÆstÇrt switch on those ÈÆ
s´own iN tabLe 2±5 of TM 9±2320Æ260É
toNne¶s ´as to
b
ÊËRned to ÌFF 20 (ul 72)Í But he¶eÎs a quicker anÏÐ
manuallyÑ Òt wonÓt fÔip to ÌFF easie¶ waÕ¼
48
TuRn t´e cold±sta¶t switch to ÌÖ. P¶eheat for about 30 seconds.
¿peRate t´e prime¶ pump only 1 o× 2 strokes¼
Øouc´ t´E manifold¹carefuLly¹to see if it gets warm¼ Öo Ùeat? Úead on:
GLOW PLUG CHECK
*
.
PuLL t´e wire at t´e Ûlow plugÜ
Set youR muLtimeteR to 100 ÝDC Þ50
ÝDC fo¶ someßà
TuRN t´á coLdâsta¶t switc´ to ÌÖÜ
T´e iNdicato¶ Lig´t shouLd be
Lit ãä ãitåLL ÛLow a little bRiÛ´te¶ wit´ t´e
wiæe to t´e ÛLow çLug èiscoNNectedÜ
Touc´ t´e Red p¶obe to t´e wi¶e and
t´e bLacK p¶oée to g¶ouNdÜ You s´ould
Ûet 1êâ13 ½oLtsë
If so, tuRN t´e cold±sta¶t switc´ to ¿Fìë
íemo½e t´e ÛLow pîuÛÜ
Connect t´e wi¶e to t´e ÛloW pLug aNï hoLd t´e side of t´e pLug against a
Ûood g¶ouNd¼
Tu¶N t´e coLdâsta¶t switc´ to ÌÖð T´e gLow pLuÛ coiL s´ouLd tuRN redÜ Iñ
it ïoesNåtò RepLace the glow pluÛ¼ óse ÖSÖ 2920â00±088±9310.
¹9
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