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This Procedure includes the following:
Seat to Floor Height Determination
Changing Seat to Floor Height
Rear Seat to Floor Heights
Front Seat to Floor Heights - All Model
Wheelchairs Except PRO-SA
Front Seat to Floor Heights - PRO-SA Only
WARNING
The following procedure should be per-
formed only by an authorized Invacare
Dealer or qualified Technician.
After adjustments and BEFORE use, make
sure all attaching hardware is securely
tightened, otherwise injury or damage
may occur.
SEAT TO FLOOR HEIGHT
DETERMINATION (FIGURES 1
AND 2)
Rear Seat to Floor Height
Rear seat to floor height is determined by measuring
the distance between the rear of the seat upholstery
and the ground/floor.
NOTE: The rear seat-to-floor heights are based on
pneumatic tires and pneumatic tires with flat free in-
serts. If wheelchair is equipped with urethane tires,
subtract 1/4-inch from the measurements listed be-
low. All heights are approximate to
+1/4-inch due to
tire wear and air pressure.
Front Seat to Floor Height
NOTE: All measurements are in inches. The front
seat-to-floor heights are approximate to
+1/4-inch.
Front seat to floor height is determined by measuring
the distance between the front of the seat upholstery
and the ground/floor.
REAR
SEAT-TO-
FLOOR
FIGURE 1 - REAR SEAT TO FLOOR HEIGHT
DETERMINATION
FRONT
SEAT-TO-
FLOOR
FIGURE 2 - FRONT SEAT TO FLOOR HEIGHT
DETERMINATION
Seat Dump
The rear seat to floor height measurement in com-
bination with the front seat to floor height measure-
ment determine the amount of seat dump the wheel-
chair will have.
For Example:
An 18-1/4-inch front seat to floor height
measurement
MINUS
a 17-inch rear seat to floor height measurement
EQUALS
1-1/4-inches of seat dump
NOTE: Invacare recommends that the rear seat to
floor height be AT LEAST 3/8-inch shorter than the
front seat to floor height. Otherwise a forward seat
dump can occur.
SEAT TO FLOOR PROCEDURE 7
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