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Invacare® Storm⁴ Series
Removing Fork
1. Prop up mobility device using several wooden blocks.
Use proper lifting techniques.
2. Remove plastic cap (2).
3. Loosen and remove nut (3).
4. Pull castor fork (6) from front swing arm (1) in a
downward direction. Pay attention to washers (4),
spacers (5) and separable ball bearings (not visible in
the illustration).
Installing Fork
1. Install parts in reverse order.
2. When installing ball bearings, make sure that wide
inner ring faces outward in each case.
3. Adjust castor fork as described in 6.6.13 Adjusting
Castor Fork, page 44.
4. Test all functions.
6.6.13 Adjusting Castor Fork
CAUTION!
Risk of crushing
Mobility device is very heavy. Risk of injury to hands and feet.
– Use proper lifting techniques.
•
19 mm socket wrench
•
Blade screwdriver
1. Remove cover cap (2).
2. Tilt mobility device to rear. Use proper lifting techniques.
3. Rotate castor forks (5) upwards.
4. Let go of castor forks so that they can swing downwards
again.
5. Adjust nut (3) so that castor forks are not too loose
but can still rotate freely. The castor forks should reach
opposite side once (maximum), then come to rest facing
downwards.
6. Place mobility device on four wheels.
7. Test mobility device's manoeuvrability.
8. Repeat adjustment steps if necessary until castors are
correctly adjusted.
9. Refit cap (2).
6.6.14 Replacing Front Swing Arm
CAUTION!
Risk of crushing
Mobility device is very heavy. Risk of injury to hands and feet.
– Use proper lifting techniques. Risk of injury caused by uncontrolled movement of mobility device.
– Switch off power supply (ON/OFF key).
– Engage drive.
– Before raising mobility device, secure wheels by blocking them with wedges.
44
Fig. 6-35
Fig. 6-36
1533060-N
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