load capacity NISSAN 300ZX 1984 Z31 Electrical System Workshop Manual

BATTERY
Full charging specific
gravity at 20°C
(68°F)
Check (Cont’d)
Converted specific
gravity at 20°C
(68°F)
1 26 I 120
I Recharging necessary I
BATTERY CAPACITY TEST
1 With battery connected to tester as shown,
turn load knob until
a draw of 3 times the
battery rating
is shown (Example Battery
rating
60AH Turn load to 180A draw )
Hold this draw for 15 seconds, then look at
voltage If voltage remains at 96 volts or
above,
THE BATTERY IS GOOD If voltage
drops below
96 volts, then proceed to next
test
2
THREE-MINUTE CHARGE TEST
1 Connect battery charger
2
3
Turn charger to a fast rate not over 40A
After three minutes, check voltmeter reading
If it is over 16 5 volts battery should be re-
placed
EL-7