Invacare Twister Service Manual page 16

Twister/Twister Junior
15.7.2 Reassembly of the rear light
16 TESTING AND REPAIR WORK ON THE DRIVE UNIT
16.1 General
16.2 Performance check
16.3 Checking and replacing carbon brushes
16.3.1 Removing carbon brushes
16.3.2 Check carbon brushes
16.3.3 Refitting carbon brushes
16.4 Testing motor, magnetic brake and freewheel switch
16.4.1 Testing preparations / replacement of drive motors
16.4.2 Testing drive motor
16.4.3 Checking the magnetic brake
16.4.4 Checking the freewheel switch
17 TESTING AND REPAIR WORK ON THE ACTUATOR MOTORS
17.1 General
17.2 Checking the actuator motors
17.2.1 Visual inspection of the plug contacts:
17.2.2 Continuity check:
17.2.3 Performance test:
17.3 Replacing the actuator motors for the legrests
17.3.1 Disassembly
17.3.2 Reassembly
17.4 Replacing the seat adjustment actuator motor (without lifter module)
17.4.1 Disassembly
17.4.2 Reassembly
17.5 Replacement of seat adjustment (with lifter module)
17.5.1 Disassembly (Twister)
17.5.2 Reassembly (Twister)
17.5.3 Disassembly (Twister Junior)
17.5.4 Reassembly (Twister Junior)
17.6 Replacing actuator of automatic seat back adjustment or support tube for
manual seat back adjustment.
17.6.1 Disassembly
17.6.2 161
18 TESTING THE DRIVING ELECTRONICS
18.1 Overview of the electronic module and cable
18.2 Testing joystick boxes
18.2.1 Check power supply to joystick box
18.3 - Check power module.
18.3.1 Status display
18.3.2 Check power supply to power module.
Remove the battery cable plug from the power module.
Service Manual
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Issued:21.01.02