Replacing Or Rotating Motor/ Gearbox Unit Sealing; Ring (Ssd Motor); Replacing Carbon Brushes (Ssd Motor) - Invacare Storm4 Service Manual

Invacare® Storm4 Series
Installing motor/transmission unit
1. Replace defective parts.
2.
Check serial number of gearbox housing.
Up to serial number 20110400xx, gearbox
housing is 44.5 mm wide: ' The compensation
sheet (see right) must be installed. Up to serial
number 20110400xx, gearbox housing is 49.5 mm
wide: The compensation sheet is not necessary.
3.
Use scale to align motor to the center axis (1).
• Left motor: 185°
• Right motor: 5°.
4. Make sure that motor cable cannot be pinched or bent,
and that it is not exposed to chafing in any place.
5. Install parts in reverse order.
6. Test all mobility device functions.

6.6.4 Replacing or rotating motor/ gearbox unit sealing

ring (SSD motor)

CAUTION!
Risk of crushing
The motor / gearbox unit is very heavy. Risk of
injury to hands.
– Pay attention to the heavy weight.
• 10 mm socket wrench
24
Removing sealing ring
1. Removing motor / gearbox unit. See 6.6.4 Replacing or
rotating motor/ gearbox unit sealing ring (SSD motor),
page 24 or 6.6.3 Replacing drive unit (Storm4 X-plore),
page 23).
2. Loosen and remove self-securing nuts (4) including
washers.
3. Remove carriage bolt, which secures the sealing ring (2).
4. Carefully bend the sealing ring apart and remove it.
Installing sealing ring
1. Install sealing ring so that the square hole for the
carriage bolt is on the inside of the mobility device.
2. Insert carriage bolt through the sealing ring.
3. Install washer and self-locking nut.
4. Do not tighten self-locking nut completely, as the motor
orientation must be adjusted during installation.

6.6.5 Replacing carbon brushes (SSD motor)

Always replace all carbon brushes on both motors.
CAUTION!
Risk of crushing
Mobility device is very heavy.
– Use proper lifting techniques.
CAUTION!
Risk of crushing
Mobility device is very heavy. Risk of injury to
hands and feet.
– Use proper lifting techniques.
• 5 mm Allen key
• 6 mm Allen key
• 10 mm socket wrench
• 19 mm socket wrench
• Blade screwdriver
• Long wooden blocks, min. 14 x 14 x 30 cm
Removing carbon brushes
1. Switch off mobility device.
2. Remove drive wheels. See "Replacing drive wheel".
3.
Disconnect motor (1) by setting clutch lever or clutch
rotary knob (from 08/2014) to "push".
In case of SSD motor, you can undo bolt (5) and
then turn motor around so that you can access
rear carbon brushes more easily.
4. Loosen and remove all four plastic caps (3) using a blade
screwdriver.
1533060-M