Philips HR7740/80 - Toothed Wheel and Belt Tension; Motor Replacement

HR7740/80
9-9
To remove the toothed wheel:
1. Remove the retaining ring with a screwdriver.
To replace the Motor:
1. Remove the 3 screws from the Airtunnel.
After removing the Airtunnel, you can exchange the motor,
the belt or the belt tension.
Remove the Belt tension, by lifting it a little bit
(green arrow) and pulling it in direction of the red arrow.
REPAIR INSTRUCTION