Frame; Procedure 3 - Back; Changing The Back Angle - Invacare ORBIT Service Manual

PROCEDURE 3
This Procedure Includes the Following:

Changing the Back Angle

Corresponding Arm Adjustment to Back Angle
CHANGING THE BACK ANGLE
(FIGURES 1 AND 2)
B
A
NOTE: Refer to Procedure 1 - General Guidelines
which include GENERAL and SPECIFIC WARNINGS
C
concerning wheelchair stability.
K
1. Loosen, but do not remove the front hex screw
that secures the back angle plate to the wheel-
chair frame.
2. Remove the rear hex screw, washer and locknut
that secure the back angle plates to the wheel-
chair frame.
Back Angle
Plate
Wheelchair

Frame

Locknut
FIGURE 1 - CHANGING THE BACK ANGLE
3. Refer to FIGURE 2 to determine the mounting
hole in the back angle plates for the necessary
back angle.
4. Reinstall the rear hex screw, washer and se-
curely tighten with locknut.
Front Hex Screw
(Loosen, but do not
Remove)
Rear Hex
Screw
Coved
Washers
Washer
5. If the wheelchair is equipped with cantilever arms
refer to CORRESPONDING ARM ADJUSTMENT
TO BACK ANGLE OF THE CANTILEVER ARMS
in this PROCEDURE of the manual.
NOTE: If the wheelchair has become less stable
after changing the back angle, reposition the rear
wheels. Refer to ADJUSTING THE WHEELBASE
LENGTH in PROCEDURE 7 of this manual.
Back Plate
O O O O O
85 85 85 85 85
Back Plate
O O O O O
95 95
95 95 95
Back Plate
O O O O O
105 105 105
105 105
Back Plate
FIGURE 2 - BACK ANGLE PLATE MOUNTING
HOLES FOR CORRESPONDING BACK ANGLES
12
BACK
O O O O O
80 80 80 80 80
O O O O O
90 90 90 90 90
Back Plate
O O O O O
100 100
100 100 100
Back Plate
O O O O O
110 110 110
110 110
Back Plate
B B B B B
A A A A A
C C C C C
K K K K K