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OM-478 Page 29
7-2. Jump Start/Battery Charge Controls
Ref. ST-184 780-C
1 Output Selector Switch
Y Do not switch under load.
Use switch to select weld or battery
charge/jump start output. Output
automatically stops when terminal
voltage is 15 to 25 percent above
required battery voltage. Move
switch to weld position when done
charging/jump starting.
2 Battery Voltage Selector
Switch
Place switch in position matching
voltage of battery being jump
started or charged.
3 Battery Charge/Jump Start
Selector Switch
Use switch to select battery jump
start or charging output.
4 Battery Light
If light comes on while charging or
jump starting, stop the engine and
check the following:
a. Polarity of connections (+
and –)
b. Battery Voltage switch
position
c. Output Selector switch
position
d. Battery voltage.
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2
3
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7-3. Determining Battery Charging Current
1 Battery Charging Chart Chart
Find battery cold crank amp (CCA)
rating on battery. Use CCA rating
on chart to find charge current set-
ting for battery.
EXAMPLE: If battery CCA rating is
500, charging current from chart is
100 amperes.
Do not exceed charging current
found on chart. For longer battery
life, use lowest charge rate
possible.
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S-115 587-A