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Twister/Twister Junior
17 Testing and repair work on the actuator motors
17.1 General
The actuator motors are driven by the ACS via an actuator
module. Depending on which type of vehicle, the wheelchair
can be equipped with the following actuator motors:
•
Actuator motor for seat angle adjustment
•
Actuator motor for backrest adjustment
•
Actuator motors for legrest adjustment
•
Actuator motor for chin control
The motors are controlled using the joystick box or if
necessary using an additional remote.
The plug connectors (1) are accessibly laid and the
occupancy is marked by symbols (2).
17.2 Checking the actuator motors
The following tests can be performed:
Performance test by applying a voltage
-
Continuity test on the motor coils using the Multimeter
-
17.2.1 Visual inspection of the plug contacts:
Check, whether the plug contacts are pushed back or
oxidised.
17.2.2 Continuity check:
•
Pull the actuator motor plug to be tested from the socket
board.
•
Set the Multimeter to continuity test.
•
Measure the continuity of the motor electric circuit at the
plug contact check windows shown in the drawing on the
right.
Service Manual
Connector plug for
Right-hand
Backrest
adjustment
Actuator motor plug
1
Blue cable
2
Brown cable
R
req
Page 156
1
2
Left-hand
Seat angle
adjustmen
Inspection
Check continuity
= 0 Ω
Issued:21.01.02
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