Invacare Storm4 Series Service Manual page 38

Invacare® Storm⁴ Series
9. Install wheel.
Replacing Puncture-Protected Tyres
Puncture-protected tyres have red valve caps.
Removing Tyres
CAUTION!
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 deflate all air from tyre.
– Press release pin in valve inwards and deflate all air from tyre.
CAUTION!
Risk of damage
Valve can become blocked by puncture protection gel and become unusable.
– During following steps you should always hold valve up so that puncture protection gel cannot enter valve.
1. Remove wheel from fork.
2. Remove valve cap B.
3. Press release pin in valve inwards and deflate all air
from tyre.
4. Loosen and remove screws F on inside of wheel.
5. Release inner D and outer rim ring E from tyre A.
6. Remove inner tube C from tyre A.
7. Replace defective or worn parts or repair parts.
Installing Tyres
1. Install inner tube in tyre.
If the old inner tube is to be repaired and
used again and has become wet during repair,
installation can be made easier by applying some
talcum powder to inner tube.
2. Install rim rings D and E to tyre. Make sure that
boreholes and thread for screws are exactly on top of
each other.
3. Fill some air into inner tube.
4. Install screws on inside of wheel and tighten.
5. Check exact fit of tyre on rim.
6. Inflate tyre to prescribed air pressure.
7. Re-check exact fit of tyre on the rim.
8. Screw valve cap back on.
9. Install wheel.
Replacing Puncture-Proof Tyres
Puncture-proof tyres have no valves.
Removing Tyres
WARNING!
Risk of explosion
There is considerable pressure in tyre. Risk of injury! Parts can be thrown out and injure you if you do not
secure rim rings.
– Secure rim rings with joiner's clamps.
38
Fig. 6-23 Example of Storm 4 MAX castor wheel. Valve and valve cap
B are not shown in illustration.
1555830-C