Zontes ZT350T-D, Maintenance Manual

Page: 121 / 152

121 / 152
Battery disassembly
1. Disassembly
Refer to the steps “a” to “d” in the section "Removing the
stepper motor and cleaning the carbon deposit" in the
section "Throttle valve body" in the "Maintenance" chapter
of this manual to remove the battery.
Caution:
●The whole vehicle must be powered off before
disassembling the battery.
●The negative pole must be removed first, and then the
positive pole. The opposite is true when installing.
●The positive and negative electrode protective caps must
be covered when reinstalling.
●After removing the battery, reset the meter time and reset
the EFI system.
2. Check
Open the cushion, remove the battery cover and remove
the protective caps of the positive and negative electrodes,
and use a multimeter to measure the battery voltage. Note
that the vehicle should be turned off before measuring the
voltage.
Voltage
Full voltage
13.1
～
13.3V
Charging voltage
required for
unloaded car
≤12.8V
Charging voltage
required for loading
≤12V
Caution:
●The battery that has just been charged should be placed for
about 30 minutes before measuring. The voltage of the
battery that has just been charged will fluctuate.
3. Charging
If the battery cannot be started due to insufficient power,
it can be charged with the charger provided with the car.
Open the right storage box cover and remove the cover to
see the DC charging port that comes with PKE. The battery
can be charged after unplugging the PKE fuse. For specific
steps, please refer to the section "Checking the battery
voltage" in the chapter "Inspection of sound, light, and
electrical devices" in the chapter "Maintenance", or the
instructions delivered with the car.
Charging system check
1. Leakage test
a. Turn off the vehicle and cut off the power supply, and
remove the negative wire of the battery.
b. Adjust the multimeter to the current position. Connect
the black test lead to the negative terminal of the battery
and the red test lead to the removed negative wire. Pay
attention to first adjust the current to the high gear, and
then gradually reduce to the appropriate gear.
c. Measure whether the leakage current is below 0.3mA. If
it exceeds the standard value, check whether the circuit has
a short circuit.
2. Check the charging voltage
Caution:
●Before testing, make sure the battery is in good condition.
●Do not disconnect the battery or any electrical devices
before the whole vehicle is powered off.
a. First warm up the engine to normal operating
temperature, and then turn off the engine.
b. Connect the red test lead of the multimeter to the
positive electrode of the battery and the black test lead to
the negative electrode directly. Adjust the multimeter to the
20V DC voltage range. Turn on the high beam of the
headlights and start the engine. Measure the charging
voltage when the engine speed is 5000 rpm.
standard:
Battery voltage<Charging voltage<15.5V
3. Inspection of magneto stator charging coil
a. Remove the storage box, find the yellow 3P plug of the
rectifier above the frame tube on the left side of the rear of
the frame and unplug it.
b. Check whether the plug is loose or corroded.
c. Use the resistance profile of a multimeter to measure
the resistance of any two wires of the black 3P plug. The
standard is 0.55
～
0.85Ω (25
℃
/77°F).