Replacing Puncture-Proof Tyres - Invacare Storm4 Series Service Manual

®
Invacare - STORM

8.10.2.3 Replacing puncture-proof tyres

Requirements:
· 6 mm Allen key
· Two long wooden blocks, min. 14 x 14 x 30 cm
· Three joiner's clamps with plastic caps
· Torque spanner 5 - 25 Nm (or similar)
· Talcum powder
Removing the tyres:
·
Remove the wheel as described in chapter 8.10.1.
ATTENTION: Explosion hazard!
There is considerable pressure in the tyre. Danger of injury! Parts can be thrown out and
injure you if you do not secure the rim rings.
· Secure the rim rings with joiner's clamps.
·
Secure the rim rings against unexpected discharge with three joiner's clamps. When doing so,
ensure that you do not scratch the rims.
·
Undo the five 6 mm Allen screws (2) on the inside of the wheel.
·
Now loosen the joiner's clamps carefully and alternately until you can remove the rim rings
without danger.
·
Remove the inner (3) and outer (1) ring of the rim from the tyre (4).
·
Replace any defective or worn parts.
Refitting the tyres:
·
Refit the tyres to the rim in the reverse sequence.
·
When fitting the rim rings together, ensure that the drillholes and threads for the bolts are
placed exactly above each other.
·
Place the joiner's clamps in position.
·
Tighten the joiner's clamps alternately in small stages until the rim rings are precisely aligned.
·
Tighten the Allen screws (2) to 18 Nm.
4 ®
Series SERVICE MANUAL
113