Replacing Front Swing Arm - Invacare Storm4 Series Service Manual

Removing Suspension Strut
1. Remove rear and centre shroud. See 6.6.1 Replacing
Rear Shroud, page 21 and 6.6.2 Replacing Centre Shroud,
page 22.
2. Remove drive wheel. See 6.8.6 Replacing Drive Wheel
(5–Screw Installation), page 34.
3. Loosen and remove nut (1).
4. Remove spacer (8).
5. Remove bolt (5). Pay attention to washers (7) and
spacers (6).
6. Remove SL retainer clip on upper fixation.
7. Remove pin (2). Pay attention to washers.
8. Remove suspension strut.
Installing Suspension Strut
1. Install parts in reverse order.
2. Test all functions.

6.7.6 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.
• 5 mm Allen key
• 17 mm Allen key
• Flat screwdriver
• 25 Nm torque wrench
• 200 Nm torque wrench
• Oblong wooden blocks (at least 14 x 14 x 30 cm)
Removing Front Swing Arm
1. Prop up mobility device, using several wooden blocks.
Use proper lifting techniques.
2. Use screwdriver to remove plastic cap (5).
3. Loosen and remove Allen screw (4) with 17 mm Allen
key.
4. Remove two Nord-Lock lock washers (3).
5. Remove and replace front swing arm (2).
Installing Front Swing Arm
1. Install parts in reverse order.
2. Tighten Allen screw (4) to 200 -180 Nm.
3. Test all functions.
1555830-C
Fig. 6-16 Example of a Storm 4
strut. Suspension strut of Storm
illustration.
Fig. 6-17
motor swing arm including suspension
Max can marginally differ from this
4
Service
29