1.
Trouble shooting ...........................................................................................................................................3
1.1.
Testing the portable motor .................................................................................................................3
1.1.1. Check the condition of the emergency switch .......................................................................3
1.1.2. Testing the operational functionality of the portable motor ..................................................3
1.2.
Checking the batteries .......................................................................................................................3
1.3.
Testing the motor ...............................................................................................................................4
1.4.
Testing the PCB .................................................................................................................................4
1.5.
Checking the fuse in the charging circuit ..........................................................................................4
1.6.
Checking the charger and the charging cycle ...................................................................................5
2.
Electrical diagram .........................................................................................................................................6
3.
Overview of items described ........................................................................................................................7
4.
Changing parts ............................................................................................................................................10
4.1.
Changing the hand control ..............................................................................................................10
4.2.
Removing top cover ........................................................................................................................10
4.3.
Fitting top cover ..............................................................................................................................11
4.4.
Replacing the up/down switch ........................................................................................................11
4.5.
Changing the emergency switch .....................................................................................................12
4.6.
Changing the battery .......................................................................................................................12
4.7.
Changing the PCB ...........................................................................................................................13
4.8.
Changing the motor .........................................................................................................................13
4.9.
Changing the motorband .................................................................................................................16
4.10. Changing the emergency down .......................................................................................................18
p. 2
2540 / 2545 • REPAIR
Table of contents
