A11 electric scooter Maintenance Manual
A11 Electric Scooter Maintenance Manual
The Importance of Product Care Instructions
1、Scope
This manual applies to the A11 model, whose main features include, but are not limited to:
* 48V 12AH/20AH lead-acid battery.
* 350W/500W rear wheel hub motor.
* Simple instrument panel (battery level display/speed display).
* Front drum brake, rear drum brake.
* No complex electronic control system.
This manual is for routine maintenance, troubleshooting, and basic repair reference only and does not cover high-voltage modifications or performance upgrades.
1.1 Model
1.2 Vehicle Identification Number
The Vehicle Identification Number (VIN) is stamped on the front tube of the vehicle.
The motor number is engraved on the rear wheel motor.
1.3 Specifications
Standard Specifications
|
Project
|
Specification
|
|
|
Size
|
Length
|
1525mm
|
|
Width
|
690mm
|
|
|
Height
|
1000mm
|
|
|
Wheelbase
|
1085mm
|
|
|
Seat height
|
660/785mm
|
|
|
Maximum payload
|
197kg
|
|
|
Chassis
|
Rear suspension
|
Telescopic socket fork
|
|
Rear suspension
|
Spring type
|
|
|
Front tire size
|
14x2.50(64-254)
|
|
|
rear tire size
|
14x2.50(64-254)
|
|
|
Front brakes
|
Drum brake
|
|
|
Rear brakes
|
Drum brake
|
|
Front suspension specifications
|
Project |
Min |
Max |
|
|
Front |
Spring length |
265mm |
285mm |
|
Rear |
Spring length |
195mm |
225mm |
1.4 Main parts position
1.Power must be turned off and battery connector disconnected before maintenance.
2.No maintenance operations are allowed while the battery is charging.
3.Avoid short circuits, squeezing, and dropping when handling the battery.
4.If severe aging or burning is found in the wiring, stop using the device immediately.
5.Non-professionals should not disassemble the controller or motor's internal structure.
6.Do not perform maintenance while the power is on in rainy or humid conditions.
* Phillips/flathead screwdrivers
* Hex wrenches (4mm / 5mm / 6mm)
* Adjustable wrenches/socket wrenches
* Multimeter (voltage, resistance testing)
* Needle-nose pliers/diagonal pliers
* Cable ties, insulating tape
5.Main component structure description
* Common Specifications: 48V 12Ah / 48V 20Ah
* Type: Lead-acid battery
* Location: Under the foot pedal
5.2 Electric motor
* Type: Rear wheel hub motor
* Power: 350W/500W
* Driven by a controller
5.3 Controller
* Function: Controls motor speed and current output
* Common problems: Water ingress, loose connectors, aging components
5.4 Brakes system
* Front bake：drum brake
* rear brake：drum brake
* Brake power cut-off function is a common feature
* Check tire pressure.
* Check brake sensitivity.
* Check battery securely mounted.
6.2 Monthly check
* Check the wiring harness for wear and aging.
* Check the front and rear wheel axle nuts for looseness.
* Check the lights and horn for proper functioning.
6.3 Quarterly check
* Check if the battery voltage is normal.
* Check the controller for signs of water ingress or overheating.
* Check the brake pad wear.
7.1 The vehicle has no power and can not be started
Possible causes:
* Dead or damaged battery.
* Loose battery connector.
* Damaged circuit breaker.
* Controller malfunction.
Solutions:
1. Measure battery voltage using a multimeter.
2. Check battery connections and connectors.
3. Replace the circuit breaker or controller.
7.2 Power suddenly lost while driving
Possible causes:
* Faulty brake power-off switch.
* Controller overheat protection.
* Poor battery contact.
Solutions:
* Check if the brake power-off cable is properly seated.
* Wait for the controller to cool down before trying again.
* Re-secure the battery connection cable.
7.3 Weak driving force and significant speed reduction
Possible causes:
* Battery aging
* Decreased motor efficiency
* Insufficient tire pressure
Solutions:
* Check battery capacity
* Inflate tires
* Replace battery if necessary
7.4 Brake noise or increased braking distance
Possible causes:
* Worn brake pads.
* Rusty or insufficient tension in brake cables.
Solutions:
* Adjust brake cables.
* Replace brake pads.
HANGZHOU HORECA TECHNOLOGY CO., LTD
Add: Room 2603, Lvdu Jiarui Building, Beigan Street, Xiaoshan District, Hangzhou, Zhejiang, China.
Web: //www.amoto.group/
Phone: +86 136 5666 4161
Email: lucia@horeca-pos.cn
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