Charging - Mitsubishi FUSO FH 1997 Service Manual

1.280
1.240
1.220
1.200
1.160
1.120
1.080
40 50
0 10 20 30
Amount of discharge (%)
Good
Charge
needed
60 90 100
70 80
07789

Charging

• Although, as a rule, charging of the battery should be done
with the battery removed from the vehicle, if you have to
charge the battery while it is on the vehicle, make sure that
you stop the engine and disconnect the battery cable ë.
• Remove vent plug B before charging the battery.
• For the recommended charge time and current, see the
following table to avoid overcharging.
Charge current (A)
Value of 5-hour
rating capacity
Normal
 ×1.2(to 1.5)
charge
10
Value of 5-hour
Quick
rating capacity

charge
1.5
* Amount of discharge (Ah)=5-hour rating capacity (Ah)× 
• Use the graph shown on the left to calculate the amount of
discharge (%).
• Use diluted sulfuric acid, made up of sulfuric acid and
refined or distilled water, as the battery electrolyte.
• The specific gravity of fully-charged battery electrolyte is
1.280 with the temperature at 20°C {68°F}.
DANGER–
• Do not let the battery electrolyte level rise and overflow
while charging the battery.
• Keep naked lights away from the battery while charging
it or it might explode.
• Be careful not to generate sparks while charging the
battery because its dangerous.
• After charging the battery, tighten vent plug B, wash
away sulfuric acid from the battery using water, and dry
the surface.
01
Upper limit
of fluid
Charge time (H)
temperature
(°C {°F})
*Amount of
discharge (Ah)
Charge
current (A)
0.5
Amount of
discharge (%)
100
45
{113}
55
{131}
01-23