PS Magazine - FEBRUARY 1977
PS, The Preventative Maintenance Monthly
ISSUE 291
FEBRUARY 1977
ENGInE COOLANT
tEMPERATURE
TRANSMITTER
can't keEp your
EnginE from ovErhEatinG unlEss you
know thE diffErEncE bEtwEEn a switCh
and a transmittEr.
Your howItzErs havE both±
THE watEr manifold on ²hE lEft SidE
of thE EnGInE (lookinG from thE
radiator
End)
shouLd havE a
tEmpEraturE
transmIttEr± This
rEGistErs thE tEmpEraturE of thE watEr
and transmIts
³t to thE watEr
tEmpEraturE GaGE on thE drivEr´s
instrumEnt PanELµ
ThE watEr manifoLd on thE
right
sidE of thE EnGInE (lookinG from thE
radIator
End)
shouLd havE a
tEmpEraturE switch± WhEn thE EnGinE
watEr tEmpEraturE rEachEs
225°F
thIs
swItch cLosEs thE circuit that makEs t¶E
hiGh tEmpEraturE warnInG liGht comE
onµ
·Et ¸our mEchanic to hElp you
chEck thEm out± Do it whEn thE EnGInE
Is ¹old bEforE stArtinG±
ENGINE HIGH
COOLANT
TEMPERATURE
SWITcH
(Note: When you pulLout a switch or transmitter, engine coolant wi± sPuRt
out the opening. ²ut in a replacement right away befo³e yoU lose it all)´
Your mEchanic fIrst takES out thE unIt In thE lEft ºatEr manifoLd» This
Should
bE thE tEmpEraturE transmittEr¼ ThE End in thE watEr wIll
bE no biGGEr around than a pEncIl½
¾n thE rIGht watEr manifold is thE switch whIch has an End about half an
Inch across±
16
l
:
L{
·
-±'
I
I
;'±
IN ,
-±" .² ³´µ¶·¸ ¹
¾F thE transmIttEr and thE switch arE In thE wronG pLa
;
,
²
¿t ´E
²
rIG
h
tµ
¾f you havE
2
of thE samE kIndÀ orÁEr thE onE you nEEdÂ
ThE transmIttErÀ (narrow EndÀ LEft sidE of EnGInE) comEs as NÃN
6685-
00-814±5271
Ät
$2.74.
ThE swItchÀ Åbroad End; rIGht SidE of EnGInE) Is NÃN
5930±00±902²0193
and COstS
$3³92´
Mµ¶·/Mµ¶·Al HOwITZERS ¸¹º
M1³7 PAnORAMiC TE´EScOPE
brEEdinG mIschIEf ±±µ or maybE just
pLain oL' curIosIty± Æt any ratEÀ somE
crEwmEn
arE
scrEwInG
up
thE
tElEscopE by unscrEwInG It Into
2
sEctIons±
ÇncE It has bEEn unscrEwEdÀ It wonÈt
work rIGht whEn you ScrEw It back
tOÉEthEr aGaInµ
ÇnE of thE SCrEwS Is soldErEd to a
wirE that conducts ELEctrICIty-and
this wIrE brEaks whEn thE tELEscopE Is
unScrEwEdµ ÃoLÊErInG it to thE scrEw Is
a supPort oPEratIo˵
Ão kindly LEavE thE
Ml
17
aLonEÌ
anÁ uptiGht!
±7
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