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Service & Parts Education
TABLE OF CONTENTS
Introduction - Welcome to ISP Technical Education
Contact List .......................................................................................................................................... 1
Recommended Tool List ....................................................................................................................... 2
Service Manual List .............................................................................................................................. 3
What Consumer Need To Know About Power Mobility Products .......................................................... 4
Power Wheelchair Troubleshooting Procedure .................................................................................... 6
Section 1 - Battery and Charging Systems
Battery Size Chart ............................................................................................................................. 1-1
Sealed Lead Acid & Gel Cell Deep Cycle Batteries ........................................................................... 1-2
Cycle of Deep Cycle Batteries ........................................................................................................... 1-3
Sealed Battery Break-in Procedure ................................................................................................... 1-4
Battery State of Charge ..................................................................................................................... 1-5
Field Load Test Procedure ................................................................................................................ 1-6
Hand Held Load Test Procedure ....................................................................................................... 1-7
Charging Batteries (6 Rules to Remember) ....................................................................................... 1-8
On-Board Fully Automatic Battery Chargers ..................................................................................... 1-9
Off-Board Fully Automatic Battery Chargers ................................................................................... 1-10
Battery Charger Troubleshooting Tips ............................................................................................. 1-11
Wiring Harness Testing ................................................................................................................... 1-12
Section 2 - Power Drive Systems
M1 and M2 Error Codes and Motor Troubleshooting ......................................................................... 2-1
DC Motor Identification ...................................................................................................................... 2-2
Permanent Magnet DC Motors (How does it work) ............................................................................ 2-3
DC Motor Component Identification ................................................................................................... 2-4
Gearbox and Couplers ...................................................................................................................... 2-5
DC Motor Testing .............................................................................................................................. 2-6
2-Pole Motor Brush Removal and Replacement ................................................................................ 2-7
2-Pole Schmitt and 4-Pole Motor Brush Removal/Replacement ....................................................... 2-8
Electromechanical Parking Brake Testing ......................................................................................... 2-9
2-Pole Motor Brake Replacement .................................................................................................... 2-10
4-Pole Motor Brake Replacement .................................................................................................... 2-11
GB Motors ....................................................................................................................................... 2-14
GB Motor Calibration Procedure ..................................................................................................... 2-15
Section 3 - MK6i Consumer (NX) Electronics
MK6i Consumer (NX) Electronics ...................................................................................................... 3-1
MK6i Single Purpose Joystick (SPJ+) ............................................................................................... 3-2
MK6i SPJ+ Joystick Cable & Controller Cable .................................................................................. 3-3
MK6i Control Modules ....................................................................................................................... 3-4
MK6i Programmer ............................................................................................................................. 3-5
MK6i NX Performance Adjust Menu .................................................................................................. 3-6
MK6i NX Programs Menu .................................................................................................................. 3-7
MK6i NX Others Menu ....................................................................................................................... 3-8
MK6i NX Error Codes Description ..................................................................................................... 3-9
Power Mobility Guide
Rev. 1/09 TER