Invacare Storm 4 Series, Service Manual

Page: 53 / 102

Service
12. Remove joiner’s clamps.
13. Install wheel as described in respective chapter in this manual.
6.7.7 Replacing Drive Wheel (5–Screw Installation)
This chapter deals with drive wheels that are installed with four or five screws.
CAUTION!
Risk of Crushing to Hands and Feet by Weight of Mobility Device
– Pay attention to hand and feet.
– Use proper lifting techniques.
CAUTION!
Risk of Uncontrolled Movement of Mobility Device
– Turn off power supply (ON/OFF key).
– Engage drive.
– Before raising mobility device, secure wheels by blocking them with wedges.
– Prevent the mobility device tipping by propping it up on a wooden block which is long and wide enough under
the battery case. If the wooden block is too short or too high, the mobility device can still tip.
• Torx wrench with TX 40 bit
• Torque wrench
• Mounting kit
• Oblong wooden block (at least 12 x 12 x 30 cm)
for propping up mobility device
• 6 mm Allen key
• Torque wrench
• Oblong wooden block (at least 12 x 12 x 30 cm)
for propping up mobility device
• Medium-strength thread locking adhesive (Loctite
243 or similar)
When removing, take care of small parts such as screws and washers. Put all small parts down so that they can
be installed in correct sequence.
1. Remove legrests.
2. Place wooden block under frame to prevent mobility device from rolling away.
3. Loosen and remove screws which secure wheel.
4. Remove wheel from hub.
5.
CAUTION!
Risk of Injury if Wheels Come Off
If drive wheels are insufficiently tightened during assembly, they can come off during driving.
– Always use new screws with undamaged coating.
– Tighten screws to prescribed torque when mounting drive wheels.
Install parts in reverse order.
6. When installing wheel, pay attention to correct direction of rotation.
6.7.8 Replacing Drive Wheel (with True Track Plus motor)
CAUTION!
Risk of Crushing to Hands and Feet by Weight of Mobility Device
– Pay attention to hand and feet.
– Use proper lifting techniques.
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