- Remove the rotor - see 5.2.
•
Pull the ball bearing off the rotor
shaft.
•
Remove the nylon washer and
inspect it. Refit it so that its flat
side is against the commutator.
- Heat ball bearing to approx.
50°C (120°F) and push it on as
far as stop.
Check ball bearing in gear hou-
sing. If ball bearing is faulty, fit a
new gear housing - see 6.3.
- Install the rotor - see 5.2.
- Remove the rotor - see 5.2.
•
Rest fanwheel flange (see arrow)
on two flat steel bars (5x20x130
mm).
- Position flat steel bars with rotor
inapress.
Note: The rotor must hang freely.
•
Useahot air blower to heat the
hub area of the brake drum.
VA
100RA045
VA
100RA044
VA
100RA047
100RA046
VA
100RA048
VA
5.3 Rotor Bearing 5.4 Fanwheel
13