Replacing Drive Wheel (5-Screw Installation) - Invacare TDX SP2 Series Service Manual

Invacare® TDX® SP2 Series
WARNING!
Risk of Explosion
There is considerable pressure in the tyre. Risk
of injury. Parts can be thrown out and injure
you if you do not secure rim halves.
– Secure rim halves with joiner's clamps.
Risk of Damage to Rim Threads
Incorrectly tightened screws can cause damage
to rim threads.
– Tighten rim screws with prescribed tightening
torque.
1. Remove wheel as described in respective chapter in
this manual.
CAUTION!
Risk of Damage by Gel When Repairing
Puncture-Protected Tyres With Red Valve Caps
Valve can become blocked by the puncture
protection gel and get unusable.
– During following work you should always
hold up valve so that puncture protection gel
cannot enter valve.
2. Remove valve cap.
3. Let air escape completely out of tyre by firmly pressing
in pin in the centre of valve.
CAUTION!
Risk of Explosion
The wheel explodes if air pressure has not
been released from wheel before wheel
rim is removed.
– Always let all air out of tyre before
removing rim.
4.
Fig. 6-22 This picture is an example.
Remove screws A on inside of wheel.
5. Remove rim halves from wheel.
6. Remove inner tube from tyre.
7. Repair inner tube and re-fit it, or replace it with a
new one.
If old inner tube has been repaired and is to be
used again, and became wet during repair, it is
easier to replace it if it is lightly dusted with talcum
powder beforehand.
8. Install tyre in reverse order.
9. Apply rim halves to wheel.
10. Inflate tyre a little.
11. Place screws in wheel rim and tighten screws with
prescribed torque. Make sure that inner tube is not
clamped between wheel rim halves.
38
12. Make sure that tyre is contacting wheel rim directly.
13. Inflate tyre to prescribed pressure.
14. Make sure that tyre is still closely contacting wheel
rim.
15. Screw valve cap on.
16. Install wheels according to instruction. See respective
chapter.
Repairing Solid Tyre
• 6 mm Allen key
• 3 joiner's clamps with plastic caps
Risk of Damage to Rim Threads
Incorrectly tightened screws can cause damage
to rim threads.
– Tighten rim screws with prescribed tightening
torque.
1. Remove wheel as described in respective chapter in
this manual.
2. Secure rim halves against unexpected discharge with
three joiner's clamps. When doing so, make sure that
you do not scratch rims.
3.
Loosen and remove screws (2) on inside of wheel.
4. Loosen joiner's clamps carefully and alternately until
you can remove rim halves without risk.
5. Remove inner (3) and outer (1) half of rim from tyre
(4).
6. Replace any defective or worn parts.
7. Install tyre in reverse order.
8. When fitting rim halves together, make sure that drill
holes and threads for screws are placed exactly on top
of each other.
9. Place joiner's clamps in position.
10. Tighten joiner's clamps alternately in small stages until
rim halves are precisely aligned.
11. Install and tighten screws.
12. Remove joiner's clamps.
13. Install wheel as described in respective chapter in this
manual.
6.8.8 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.
Fig. 6-23
1532486-N