PS Magazine - JULY 1973
PS, The Preventative Maintenance Monthly
1973 SERIES, ISSUE 248
JULY 1973
l
Battery-generator indicator:
WIth switch ON (engine not run±
nIng), needle sHould settle up In
The yellow paneL; wi²h engine runn³
ing at higH idle (about
1,500
RPM)´
needle should stay up in the green
panel (aT tHe nub).
µachometer¶ ·t should be regis³
terIng the RPM of the engine¸
Fuel Gage¹ Your fuel gage
should show fulLº
Air brake pressure gage¶ µhis
tells the pressure you need ²o oper³
ate your brakes
(100
T»
105
PS¼ for
2 ±/²
and
5
ton trucks)½
µem¾erature gage¶ Normal r¿nge
Is Àr»m
160
to
180
degrees½
SaÀety DevicesÁ
AIr Pressure Warning Buzzer¶
You should hear It buzz until your
operating pressure reaches
65
PS·Â
Never move your vehIcle untI ¼ tHe
warning buzzer has stoppedÃ
Äights: Make sure they're alL
burning, both high and low beam,
and that tail and stop lights are
ÅKÆ
ing½
ÇOÈNÉ For your own good´ give a
Hoot for your toot
•
Brakes: Make sure all wheels are
braking tHe same-no pUlling to one
side or tHe other. WatcH for aNy
Unusual loss oF pedal pressUre wheN
yoU apply the brakes±
,
j
.
Odd
²oises: Keep a sharp ear for
' any uNusual Noises in the eNgine³
clUtch³ transmission³ tRaNsfer case³
drive shaft and rear end±
.
STeering
:
Be sure there´s not too
much free play iN your sTeering wHeel±
²otice aNy hard steering³ µheel wob¶
ble or wandering of your veHicle from
side to side. If you think sometHing·s
wrong³ stop aNd cHeck.
.
Clutch: ¸here should be No slip¶
ping or cHa¹er wHeN your clUTch staºs
to eNgage» ²ever "ride¼ the clutch½
¾keep your Foot o¿ the pedal wheN
yoU·re Not using it.
EngiNe OperaTion: Be sure your
engine runs smooTh at all times. Listen
for any kNocks or piNgs. Your engiNe
should be hi¹ing on all cylinders aNd
I
ge¹ing fuel right± Àepoº aNy Trouble.
·nstrumentsÊ Keep an eye »n
Ëe̽
A
casu
a
l Ílance at the instruÎ
ment ¾anel will heL¾ warÏ you of
troubleÐ ÑhIs goes for your oi · ¾res±
sure, charÍÒng system, eÏgine
RPMÓs, fuel, aIr pressure, ÔemperaÕ
ture and r»ad s¾eedÂ
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