Troubleshooting - Mitsubishi Electric 55624R(S)-MF Service Manual

TROUBLESHOOTING

VISUAL INSPECTION
l Remove negative cable, then positive cable.
Check for dirty or corroded connections.
l
LOOSE BATTERY POST
A l
l Check for loose battery post.
CRACKED BATTERY 'COVER
l Remove holddowns and shields.
l Check for broken/cracked case or cover.
TEST INDICATOR/OPEN CIRCUIT VOLTAGE TEST
Turn headlights on for 15 seconds
l
voltage to stabilize.
Disconnect cables.
l
Read open circuit voltage.
l
l Connect a load tester to the battery.
(see LOAD TEST RATE CHART) for 15 seconds.
l Read voltage after 15 seconds, then remove load.
LOAD TEST RATE CHART
Load Test Cranking
(Amps) Rating O°F
210 amps 433 amps
BATTERY - Troubleshooting
TEST STEP
Reserve
Application
Capacity
79 minutes
TSB Revision
RESULT
amps then GO to A3.
Blue dot invisible and'
open circuit voltage under
12.4 volts
Voltage is less than
minimum listed (white
indicator).
OK
Battery OK.
Voltage is more than
minimum listed.
ACTION TO TAKE
clamps. GO to Al.