Battery Charging - Yamaha EF3000iSE Service Manual

BATTERY ELECTROLYTE/

BATTERY CHARGING

2. Check:
• Using a digital voltmeter, the state of a
discharged MF battery can be checked
by measuring open-circuit voltage (the
voltage measured with the positive and
negative terminals being disconnected).
CAUTION:
The battery must be charged after it is filled
with electrolyte. If this is not done, the life
of the battery will be shortened drastically.
BATTERY CHARGING
1. Check:
• Battery voltage
Check the battery voltage using an MF
battery tester (commercially available).
Within green range → Correct
Within yellow or red range → Charge
the battery.
2. Recharge the battery using an MF battery
SWL2380J
charger (commercially available).
• Charge the battery to the specified
electric current and to the specified volt-
age.
Charging amperage and charg-
ing time:
Charging voltage:
SWL2390J
2-29
INSP
ADJ
1.2 A × 5 ~ 10 hr
12.8 V or more