Electrical System of Engine
G1-3
Pre-charging of Battery
Caution:
l Negative battery cable must be
disconnected at first and installed at
last to avoid damage of electrical
components and battery.
l Plug of battery should be removed to
avoid damage or deformation of
battery during charging.
l Quick charging must not be more than
30min or the battery may be damaged.
1. Place battery in a basin with water to
avoid battery overheating.
2. Water level should be in any case above
mid height of battery.
3. Water level should never be above top of
battery.
4. Connect the battery charger with the
battery.
5. Adjust charging current according to
table below.
Battery
model
(5h rate
capacity)
Trickle
Charging
(A)
Quick
charging
(A)/(30min)
75D23L 5.5-6.5 35
6. After pre-charged, measure positive
voltage of battery and make it maintained
for more than 1h.
l If the voltage is lower than specified
value, please replace the battery.
Standard:
＞12.4V
Removal/Installation of Generator
(The part is the same with HM483Q Engine
Maintenance Manual for details)
Warning
l If terminal B of generator contacts
vehicle body with battery cable
connected, spark may be generated
resulting in personal injury and
damage of electric components. So,
battery cable must be disconnected
before proceeding with following steps.
1. Remove negative battery cable.
2. Remove front portion of exhaust pipe
(See Exhaust System, Removal/
installation of Exhaust System)
3. Remove in order as shown in figure.
4. Install in reverse order as of removal.
5. Inspect deformation/tension of belt (See
Drive Belt, Inspection of Drive Belt).
Removal/Installation Instruction of
Generator
1. Remove middle section of exhaust pipe
from bracket with rubber cushion, then
remove/install generator.
Inspection of Generator
Charging Alarm Indicator
1. Make sure that battery has been fully
charged.
2. Make sure that deformation/tension of
belt is within the specification (Refer to
Drive Belt, Inspection of Drive Belt).
3. Turn ignition switch to ON position;
charging alarm indicator should be lit.
Battery charger
Battery
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