User`s manual

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·When the vehicle starts, the SRO (protection unit in the controller) will effect.
The controller will self-check when the vehicle is running. If any defect inspected, the controller will stop the
vehicle to protect the operator and the vehicle.
① Periodical Maintenance:
a. Check if the contact between contacting points of the contactor is in good condition, check if any contact
sticks or is jammed mechanically.
b. Check if the micro switch in the accelerator can be switched on and off properly.
c. Check if the switch for turn signal can be switched on and off properly.
c. Check if all the connections between the motor, the battery, and the controller are in good condition.
Please use the following cleaning procedure for routine maintenance:
1) Turn the power key to OFF position.
2) Remove power by disconnecting the battery.
3) Discharge the capacitors in the controller by connecting a load (such as a contactor coil or a horn) across
the controller’s B+ and B- terminals.
4) Remove any dirt or corrosion from the connector areas. The controller should be wiped clean with moist
rag. Dry it before reconnecting the battery. The controller should not be subjected to pressured water flow
from either a standard hose or a power washer.
5) Make sure the connections are tight, but do not over-tighten them.
NOTES: All above checks shall be performed under power off. Above checks shall be carried out once every 3
months; after the power key turns off, the wave-filter capacitor in the controller unit shall keep discharging for a
few minutes more; don’t wash the electrical parts with water. It is allowed to remove dust with a brush or
high–pressure air.
7.5 Maintenance of Brake System
① Step the brake pedal with a force of 30kg or so, the pedal travel shouldn’t exceed 2/3 of the full free pedal
travel.
② The clearance for the brake plate is self-adjusted. Under a force of around 20kgs, the parking brake handle
should be fixed in one gear from 5 to 10 ratchet. When the brake handle is released completely, the brake
function will stop.
③ Inspect and change brake shoe, add lubrication into the brake bearing periodically.
7.6 Lubrication of the Whole Vehicle
① Use 901 vehicle brake oil DOT3 as brake oil;
② Use 1L of 85W/90GL lubrication oil for gear box;
③ Use 1L of 90GL hypoid gear oil for the rear axle;
④ Lubrication points: a. steering gears; b. horizontal bars; c. steering ball joints; d. bearings;