Electric System
EL-4
Battery charging
Charging per-fixed current
7.0A can be used for initial charging until average pressure of the single battery reaches to over 2.4V,then
3.0A can be changed for charging. If the pressure change of the battery is not over 0.05 V/h within 2 hours at the
end of charging period,the proportion of the electrolyte does not change obviously,also taking temperature into
consideration,then the battery can be regarded as fully charged.During the whole charging period, the temperature
of electrolyte should be maintained around 20~40℃,taking the middle single battery measuring value as standard.
10.0A can be used for normal charging until average pressure of the single battery reaches to over 2.4V,then
5A can be changed for charging.If the pressure change of the battery is not over 0.05 V/h within 2 hours at the end
of charging period,the proportion of electrolyte does not change obviously, also taking temperature into consider-
ation,then the battery can be regarded as fully charged.During the whole charging period, the temperature of elec-
trolyte should be maintained around 20~40 ℃ ,taking the middle single battery measuring value as standard.
Charging per-fixed pressure
Use fixed pressure 14.80 ± 0.05V for charging,the max. current should not be over 30A(During the initial
charging period ,if the current is over this number,the pressure is allowed to reduce properly).If the pressure
change of the battery is not over 0.1A/h within 2 hours at the end of charging period,the proportion of the electro-
lyte does not change obviously,also taking temperature into consideration,then the battery can be regarded as fully
charged.During the whole charging period,the temperature of electrolyte should be maintained around 20~40 ℃
,taking the middle single battery measuring value as standard.
When there is a lot of bubbles coming out of the battery,and the pressure is stable at the end of charging,the
proportion and the height of the electrolyte should be adjusted to their specified value.
The electrolyte proportion of a fully charged battery is 1.28 ± 0.01(at 25 ℃ ).
Charging System
Note:
When installing the battery,be careful to make the earth pole of the battery same as the engine, which is neg-
ative earth pole, otherwise, diode of the engine will be damaged.
It is not allowed to use way of short circuit (making fire jump from armature B to the body) to check whether
the motor generates power.
It is not allowed to dismount the main powered devices as battery while engine is in high running speed.
Common breakdown causes
Motor not generate power:
Rectifier damaged.
Brush blocked and not touch the sliding ring.
Stator coil cut and short circuited or earthed.
Rotator coil cut and short circuited or earthed.
Motor power not enough:
Motor driven belt too loose.
Individual rectifier damaged.
Brush not connected well.
Sliding ring dirty and damaged.
Rotator coil short circuited.
Battery internal short circuited.
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