Replacing A Tyre - Invacare FDX Service Manual

8.12.2 Replacing a tyre

Requirements:
● 5 mm Allen key
● Two oblong wooden blocks, at least 14 x 14 x 30 cm
● Three c-clamps with plastic caps
● Torque wrench 5 – 30 Nm (or similar)
● Talcum powder
Uninstalling a tyre:
●
Remove the wheel, as described in chapter 8.12.1.
CAUTION: EXPLOSION HAZARD!
The tyre is under high pressure. There is danger of injury! Parts can be projected at you
causing serious injury if you do not secure the wheel rims.
● Secure the wheel rim halves with c-clamps.
●
Secure the wheel rim halves with three c-clamps to prevent them from unintentionally popping
apart. Be careful not to scratch the rims in the process.
●
Loosen the five 5 mm hexagon socket head screws (2) on the inside of the wheel.
●
Carefully loosen the c-clamps in small increments one after the other, until you can safely
remove the rim halves.
●
Remove the inner ring (3) and outer ring (1) of the rim from the tyre (4).
●
Replace defective or worn out components.
Installing a tyre:
●
Assemble the tyre in reverse order on the rim.
●
When assembling the rim halves, make sure that the smooth and threaded holes for the
screws are aligned exactly on top of each other.
●
Apply the three c-clamps.
●
Tighten the c-clamps in small increments one after the other until the rim halves are squarely
pressed together.
●
Tighten the hexagon socket head screws (2) to a torque of 25 Nm.
102