PS Magazine - JUNE 1985
PS, The Preventative Maintenance Monthly
ISSUE 391
JUNE 1985
I
i:
Now, dial
89
on the
Tt SELECt
switches± and press and hold the
±St
button until the letters
CA
appear on
the read-out.
Let go of the button and I'll tell
you the oFset value, which should be
betWeen
-6.8
and
+6±8²
Using this
oFset value is my way of se²calibrat³
ing or conditioning myse´ for the
tests coming up.
Hook
u
my
W
test probe cable's red
clip
to the batteR's positive
(+)
terminal. Te cable's black CliP goes
to the batteR's negative (µ) te¶·inal.
Dial
number
89
into the
±St
SELeCt
switches. Ten push my
±St
button for a moment.
My rea¸out
display will show the voltage being
measured where the
w
cable is con¹
nected.
Now dial
6
into the test
switches and press the test bºtton. Tis
tells me that the VD (vehicle ident»ca¼
tion number) is coming up next. ½ow
dial in the ¾ID of the vehicle you are
using me on.
V²HIcl² ID²N³IFIca³ION N
;
U M´µB²
¶·¸R.¹
_±²³´
1
Wheel VehicLe
VID
Track Veh±cLe
VID
M151A2 1/4-ton
01
M48A5/M6-Ser±es ²ank
04
M880-SeRies 1 1/4-³On
05
M109-SEries SP HOwi´er
11
M5µ1 1 1/4-¶oN (Gama Goa³)
09
M·¸0A¹/Mº78V»H
10
M¼A2/M39A2-SERiEs
2
1/2½5-³on
02 M113-SEr±es Carr±eR
03
M809-SERies 5¾tOn
0µ
M520 G¿»À
08
I
the vehicle you 're working on is
not on this list± you cannot do the
starting system test.
Jºn 85
¿Àen Push the
±St
button for a
moment.
¿Àe VD that you entered
will appear on my Áisplay.
ÂreSs and hold the test
button until
CA
aPpears
on my readout. ¿ÀiS perÃ
! oÄS an inteÅal oFset
0
test an¸ gets rÆd of qny
internal electrical error.
Tis is like zeroing a
multimeter.
Make sure
the oÇet value is within
-22»
to
³
22»¼
Jºn 85
Now hook up my
½4
cable to the
j2
or
j3
connectOr on the
v¾
NEt conÈ
nect the
¿Ào
current probe around the
Positive
´ ³µ
batteR cable with the
arrow pointing towards the starter.
Make sure the probe jaws are closed.
Dial
7¶
or
76·
ÉnGage the StarÊerËwith Ìel or igni¼
tion shut oFÍfor a couple of seconds.
¿Àis polariZes the current probe so that
the readings will be accuÎte. Ïemove
the Probe and hold it away Ðom any
P
U
·
.
f\ÁÂ ÃÄ
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