34
Shedding off
of the
reactive
matter
1) Decrease of the battery
capacity.
2) Turbid electrolytic.
3) Much precipitate.
1) Being unsuitable to the
electrolytic quality
standard.
2) Frequent discharging and
charging or over charging
or discharging.
3)High electrolytic
temperature when charging.
4) Outside short circuit
when discharging.
1) Clean the precipitate
when the actuality is
not severity.
2) Discard when
severity.
4.6 Daily Maintenance
(1) Check the wear condition of the contactor. Change it if necessary. Check the contactor
every three months.
(2) Check the pedals or manual inching switch; measure the voltage drop between the
inching switch ends; there is no resistance when the inching switch is closed; there is
ringing sound when release. Check every three months.
(3) Check the main circuit, connecting cable among battery, converter and motor. Make
sure the well insulation condition of the cables and circuits are tightly connected. Check it
every three months.
(4) Check the mechanical moving of the pedal and knob; check if the spring is out of
shape; check if the spring of the potentiometer can reach to the max. length or set length.
Check it every three months.
(5) Check the mechanical moving of the contactor every three months; if there is any
damage or condition affecting the safety, contact with ZAPI dealer.
Notice: After chopper is installed, raise the wheel of vehicle (off the ground) for
test. In this way, there will be no danger even connection is wrong.
After electric lock switch is off, there is a certain voltage left in filter capacitor
within a period of time. Cut off the battery power first if the inverter is repaired at
this time and then connect the resistance of 10～100Ω to the positive and negative
poles of inverter to make the voltage on the capacitor short-circuited.
4.7 Hand brake switch
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