Check And Repair Work On Drive Motors; General; Brushes - Invacare STORM Service Manual

13.0 Check and Repair Work on Drive Motors

13.1 General

Drive motor, assembled
2
3
1 Chassis
2 Drive motor
3 2x Stopper for carbon brush
4 2x Coupling lever
5 Motor plug
6 Main module
7 2x Allen screw M6x30
with lock washer
8 Gear
9 Coupling mechanism
I I n n s s p p e e c c t t i i o o n n
• Motor vibrating, emitting running noises?
• Motor won’t start?
• Power brake not reacting?
• Gear emitting running noises or being
blocked?
13.2 Testing or replacing carbon brushes

NOTE:
• Worn-out carbon brushes lead to a deterioration of the
motor performance.
• Each motor is equipped with two carbon brushes. They are-
located behind the lateral stoppers (4) of the motors.
Removing carbon brushes
• Remove the stopper (4).

NOTE:
Make sure that, while you loosen the stopper, same is being
subjected to a slight spring pressure.
• Pull carbon brush from its guide.
70
1
9

1
8
NOTE:
• Depending on type, the motors can be equipped with a
coupling mechanism or with separate coupling levers.
R R e e m m e e d d y y
> Test motor, replace if necessary.
> Test motor, replace if necessary.
> Test brake, replace motor, if necessary.
> Replace drive unit or gear.
See chapter 11.6.
Removing carbon brushes
Drive unit, assembled
8
5
7
2
4
3
6