03/2010
B500 | B500-S
Page 151
Maintenance, Cleaning and Care
10.3 changing Tyres
Proceed as follows:
r
To dismount a drive wheel, loosen the four Allen head
screws in the middle of the wheel (fig. 41) and remove
the wheel.
fig. 41
Disassembling drive wheel
r
If the inner tube of a drive wheel needs to be replaced,
loosen all Allen head screws on the inner side of the
rim and pull apart the two-piece rim.
The defective inner tube is now freely accessible and can
be replaced.
r
To dismount the front wheel, loosen the screw of the
axle using a 6 mm Allen wrench (see fig. 42, item 1)
and pull out the axle.
r
Loosen the five Allen head screws (see fig. 42, item 2)
and separate the two-piece rim.
The defective inner tube is now freely accessible and can
be replaced.
fig. 42
Disassembling front wheel
1 Axle screw
2 Allen head screw
