Maintenance; Maintenance Of The Disc Springs - FIOR & GENTZ NEURO CLASSIC-SPRING Notice D'utilisation

12. Maintenance

Check the system joint for wear and functionality every 6 months. This ensures safe use. Also check the func-
tionality after every maintenance carried out. It must be possible to move the system joint without problems
or unusual noises. Move the system joint slightly in the ap direction to ensure that there is no play.
Joint Component
spring unit
pressure spring/
pressure spring in
adjusting screw unit
pressure spring in
SPRING sub-assembly
stop damper/
stop damper in
adjusting screw unit
pin in SPRING sub-
assembly
O-ring
bore for bearing nut of
system stirrup
sliding washer
bearing nut
adjusting screw unit
cover plate
Secure the screws for the cover plate with the torque corresponding to the system width and LOCTITE® 243
medium strength during every maintenance (see paragraph 8.8). Remove all adhesive residues first.

12.1 Maintenance of the Disc Springs

Check the disc springs particularly carefully during
maintenance. If necessary, realign the disc springs
to increase the useful life of the spring unit. If
necessary, replace the spring unit to maintain the
functionality of the system joint.
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Problem
breakage of disc springs (fig. 31)
radial move of disc springs (fig. 32)
breakage of pressure spring
squeaking of pressure spring
breakage of pressure spring
fatigue of spring force
material fatigue or breakage
wear
wear
oversize
wear
wear
wear
wear
Measure
replacing spring unit
realigning disc springs with pliers
replacing spring unit
greasing pressure spring with orthosis
joint grease
replacing pressure spring
replacing pressure spring
replacing stop damper
replacing pin
replacing O-ring
inserting repair bushing,
see paragraph 12.2
replacing sliding washer,
see paragraph 12.3
replacing bearing nut
replacing adjusting screw unit
replacing cover plate
fig. 31 fig. 32