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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