Permobil F5 Corpus Service Manual page 146

F5 Corpus
NOTICE
Always replace the cover
Always replace the old cover. The old cover will let in water in the housing
causing damage to the friction brake.
The swing arms are equipped with friction brakes working as anti flutter
devices.
The rear link arms are equipped with friction brakes working as anti
flutter devices.
There are two variants of the friction brake.
4. Remove the cover on the top of the swing arm.
Remove the cover on the top of the link arm.
This step does only apply if the wheelchair is equipped with a later
revision of the friction brake (see Figure 441).
5. Unscrew the screw.
This step does only apply if the wheelchair is equipped with an early
revision of the friction brake (see Figure 439).
6. Remove the nut, washer, adjustment unit, o-ring, friction brake
screw and friction brake plate.
This step does only apply if the wheelchair is equipped with a later
revision of the friction brake (see Figure 441).
7. Pull off the wheel fork.
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Repairs - Chassis
Figure 438. Remove the cover and unscrew the screw.
Figure 439. An early revision of the friction brake.
Figure 440. Remove the wheel fork.