Operating instructions
Table Of Contents
- Mart Cart Model 3563Technical Overview
- Table of Contents
- Major Parts Overview
- Battery/Circuit Breaker
- Charger
- Wire Harness
- PWM
- Control Box
- Hub Motor
- Potentiometer/PWMRelationship
- Potentiometer/PWMRelationship
- Calibrate PWM
- Calibrate PWM –Check Brake Leads
- Parts List
- Parts List –Steering Column
- Wiring Diagram
- Tools
- Safety Check
- Warranty
- Serial Number Label
- Mart Cart EndTechnical Overview

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Calibrate PWM
1. Stand next to the cart. Do not sit on the seat during the calibration steps.
2. Turn the rocker switch to the “ON” position (and the key switch if so equipped).
3. Be sure that the throttle is in neutral position (hands off).
4.
Hold down the horn button for a minimum of 10 seconds. Do not let off of the horn.
5. While continuing to hold down the horn, push down and then release in the center of the seat
(activating seat switch) 3 times.
6. Wait a second or two and then release the horn.
If you hear 2 short chirps, the PWM calibrated successfully.
Retest the cart.
If you hear 3 short chirps, the PWM did not recognize a brake
circuit (see the next page “Check Brake Lead”).
If you hear a long chirp in any combination, the PWM did not
calibrate successfully. Calibrate again or replace the PWM.
On occasion, the cart may function erratically. As the last step in troubleshooting a problem, the
PWM can be “calibrated” to the neutral position of the potentiometer. Be certain that the battery is
charged above 10.5 volts and the horn and the seat switch are connected and working properly
before attempting to calibrate the PWM. Without them working properly, the PWM will not calibrate.
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