PS Magazine - OCTOBER 1983
PS, The Preventative Maintenance Monthly
ISSUE 371
OCTOBER 1983
Sure, jump-starting is a quick aNd easy way to put life in a stone cold
vehicle.
But there's a right way and a wrong way to use jumper cables. If you
hook 'em up wro±g, you could screw up an alternator, or, worse, blow up
the battery.
An explosion like that can showeR you with ²ciD an³ send pieces of the
battery flying through the air´not very healthy.
Take time and do the job right. Firsµ, always make sure the voltage of
the dead battery is the same as the voltage of the live battery. ¶ever pair
up a 24-volt system with a 12-volt system.
Also, it's ·est to match up vehicles of the same size. F'rinstance, don't
try to start a 5-ton diesel with a 1/ 4-tonner. Even though the voltage is the
same, the jeep's batteRies just don't have enough juice.
Also, make sure the 2 vehicles aren't touching each other.
¶ow, clip one end of the red cable to the positive
( +)
post of the dead
battery. Then clip the other end to the positive
( +)
post of the live battery.
¸ext comes the black cable. Clip one end to the negative(-) post of the
live battery. Clip the other end to the engine or frame of the dead
vehicle¹ºt le»st a foot away from the battery. ¼on't hook it to the dead
battery at all. ½f you do, you may cause a spaRk, which could trigger an ex¾
plosion.
¿
½t's a good idea to clean all hooK-up points to get good connÀctions.
A couple of other things to Remember before starting. Leave the caps on
both batteries. Caps on Army batteries are vented to let off pressuRe inÁ
side. 'CoursÂ, you have to keep the battery cap vent system up to
snuff.
After you get the engine going, unHook the cables in reverse ordeR.
10
Slave Cable Arcing
You can get quite a firewoRks displaà if Ãou disconnect the slave caÄÅe
while the staRteR is tuRning.
PRoblem is; tHe aRcing buRns up the connectors and ReÆeptacles. ÇHen
you'Èl Have to Replace the connectoR oR Receptacle, oR get a neW cable fOR
$80!
The same tHing can happen witH JuMper cables, too.
Save the fiRewoRks for thÉ 4th of ÊUÈy. Ëake suRe the slave cable oR
jumpeR cable is ÌUlly connected befoRe you Hit the staRteR. ÇHen don'Í pUÈl
the cable WHen the starteR is engaged.
Îe caReful ÏRound tHe cable, too. ¼on't knock it out by acÆidentÐ
BEwaRE of DE±dly G±s
-±
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sÓUg ÚÒÜ OVeR ÍHe ÜÏÒÈÝÒÝÉ Òs Ï
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cOÙMonàsÒZÉ ÍÏÒÈÝÒÝes:
jr-´µ¶
NSN
4720-00±
Ins²de D²ameter
174-4668
1 ³nch
278-8030
1 1/2 ³nches
278-8027
1 3/4 ³nches
278-803´
2 ²nches
µ
174¶6818
2 1/2 ³nches
³³
174-4664
3 ³nches
174¶4671
4 ³nches
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