PS Magazine - MARCH 1973
PS, The Preventative Maintenance Monthly
1973 SERIES, ISSUE 244
MARCH 1973
n ITPUT
Once your engine starEs running, the
battery generator needle no longer gives
you a r±ading on battery voltage. Instead²
³t t±lls you how much voltage your gener-
ator is putt³ng out.
With th± ±ng³n± idling at 1000
RPM-
if you geE a reaD³ng from 26 to 30 (needle
³n the green) your generator ³s do³ng OK.
AT 1000 rpm
NEEDLE IN
GreEN±
GENerATOr'S
3²pANEL
4²³ANeL
´f the needle falls back into The left reD
or y±llow segment² your g±neraTor ³s noT
pUtting oµT ±nougH cUrrent To keep the
BatTeries chargeD. ¶h³s couLd Be du± To:
·. Wrong voltage control sett³ng.
i.
¸efecT³v± regUlator¹
3. ¸efect³ve Generator.
4º ¸ef»cT in the w³r³ng c³rcU³t¼shorE²
open or lack of groUnd.
½e¾ your mecHan³c Co f³x it for yoU.
¿u¾ 'spose th± needle po³nTs Far Co the
r³ght¼³nto the gr±en (old model) or the
3²pANeL
GENerATOr IS
OVErCHArGING
4´pANeL
µ¶
red (new mod±l). If the n±±dle Às ³n this
highÁvolE
s±gm±nt²
your
generator
is
Â
ov±rcharg³ng.
OR
Hf
E FAN±C
So asà your fri±ndly mechanic Äo adÅ
just th± rheostat in th± voltag± control
box
to
a
28Æ5Ávolt reading
(th±
l³ttl±
If
the
g±neraTor
is
noT
grounded ³t
could ac¾ lik± a start±r and k±ep on ruNÇ
ning Until it bUrN±d Up both ³tself and the
regÈlaTor.
ÉhereÊs
an
easy
way
Co
stop
this²
though. All the driver can Do is FliP the
master
sw³Tch
OË˲
and
the
rUnawÌy
generator will sÄop. Éhen you mechan³cs
can go to worà and fiX whatÊs wrong.
Make Êsp±cially sure both Che g±nerator
and
gen±raCorÍregulaCor
ar±
well
ground±d.
•
t
M3 PORTABLE DISpErseR
ÉM 3Á·040Á2Î4ÍÎ2 (Ë±Ï 72)² pag± 4Á19²
says to Paint a 9Áin aluminum banÐ on
±ach ±nd of your M3Ês gun hos±² and then
st±ncil the note "M3 ¸isP OnlyÑ on each
±nd of the hose.
¿ut that ³nfoÊs only for M3Ês thaÄÊv±
b±en mod³fied by MWO 3Í·040Ò2·4Í45/·
(Ëeb 71). Éhe MWO gives the M3 a new
safety head which is marked: 125 to ·75
ÓSI aC 72°Ë
Pn
227299.
So check your M3Ês safety head before
you pa³nt th± hose. Éhe MWO shoulD
also be noted on your M3Ês ¸A Ëorm
2409. If iC hasnÊt been appl³±d check with
your ¸SÔÕ
Ö×e r±ason th± M3Ês hose
painted marÃings is so th± hoseÊll not be
accidentally us±d with an
M2ØÙÁ7 PorÚ
table flam± throw±r.
hoSE DatES
Ønd² ÛonÊt worry aboµt the manufacÜ
tur±rÊs date and issue daTe stamped on
your M3Ês hose coupl³ngs. Éhose daÝtes
are important only when the gun hos± ³s
used with the flame thrower.
coUpL²NG C³p
Some hose coupling caps may have a
chain on Êem. Éhe chainÊs ±xtra. ´tÊs not
needed. You can remove it² so the capÊll
be free like iC shows on Ëig 2Á2(¿)² ¶M
3Á·040Á2·4Á12.
_´,
(r"µ¶·¸
r
D
-
e
±aR²
Ed
.³
ito´R
-¹'º»
THUMb
SAVeR
.·¸¹
_ '-.±²³´
HeRe's a hAndy homeµmade tool that¶L save weaR and tea· on a Man¸S
thumbS wh¹n he hAs to Remove Inlet vaºe caps f·oM a sleW of
º»7
OR
¼½¾a ½
pROtectIve maSks
»
E
2!
-
±
¼
=½¾:
6"
.
1
¼t can be MAde of alumInum oR ste¹l
»
½uRS is made oF V
¾
in ¿at aluMinuM
stocK
À
¼ts gRip is w·apped witÁ tapÂÃ
Just slIp th¹ tOol'S Áead undeR an inlet vAlve cap and puL up On itS Áandle
Ä
The cap¶/ SlIp OÅ eaSyµlikeÆ
Çe keep the tool in tÁe suppÈy RooM wÁ¹Re it¶S Áandy foR wÁoeve·
É
S
cÁecKing tÁe unit's MaSkSÊ
ËRÄ
EdwaRd BaRke·
Ìo·t ½·d
Í
CalifoÎÏÐ
(¿d ÀotÁÂÃhÁ toolÄs shÅÆÁ is Çot too iÈÆoÉtÅÇtÊbut thÁ fÉoÇt ÁÇd of its hÁÅd shouËd
clÁÅÉ thÁ cÅÆ cÁÇtÁÉÌ Íts ÁdgÁs Èust bÁ sÈooth soÄs Çot to cut thÁ ÈÅskÌ)
µÎ
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