8.9.2.2 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)
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.
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