Quickie Groove Manuale di Servizio Pagina 32

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32©2006 Sunrise Medical
POWER BASE SECTION
Suspension
The Quickie Rhythm base has a special 4-bar
suspension system that pulls the front caster wheels
up over curbs, while simultaneously maintaining
independent suspension on the remaining four wheels.
The front caster housing pivots horizontally,
which absorbs front impact. Then the tension
between the caster and the drive wheel literally
pull the caster up over the curb.
When only going over rough terrain, the
connecting belt allows independent suspension
of the front casters as well as the drive wheel
The rear casters also feature independent
suspension.
All 6 wheels suspend independently and remain
in contact with the ground.
The chair is shipped with factory preload settings.
Preload Settings (Fig 1.56 - DIM A)
63mm/2.5” No Power options.
70mm/2.25” If Power options are included.
If you add or remove a power option please adjust the
spring preload setting accordingly.
Spring Preload Adjustment:
(Refer to Fig 1.57.)
Without weight (chair off the ground.)
Remove cotter pin. 1.
Remove pivot pin inboard.2.
Rotate spring cage down.3.
Use hex drive tool to tighten / loosen the screw.4.
Changing and Adjusting Suspension
DIM A
(PRELOAD SPRING LENGTH)
63mm No Power
70mm Power options
Fig 1.54
Fig 1.55
Fig 1.56
Fig 1.57
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