Invacare ORBIT Service Manual page 16

PROCEDURE 4
Non-Tilt-in-Space Orbit (FIGURE 2)
NOTE: Refer to Procedure 1 - General Guidelines
which include GENERAL and SPECIFIC WARNINGS
concerning wheelchair stability.
1. Determine your desired seat-to-floor height. Re-
fer to SEAT-TO-FLOOR HEIGHT in PROCE-
S
DURE 9 of this manual.
E
NOTE: Ensure you have the correct rear wheels, caster
A
size, caster forks, and axle bushing position determined
T
in STEP 1.
2. Remove occupant from wheelchair.
3. Remove the seat frame from the base frame.
Refer to DISASSEMBLY in PROCEDURE 2 of
this manual.
4. Remove the mounting screws and locknuts that
secure the lower portion of the non-tilt rods to the
top front crossmember.
5. Remove the mounting screws and locknuts that
secures the seat plate assembly to the base frame.
Seat Plate
Assembly
(STEPS 5,6)
LOW
position
MIDDLE
position
HIGH
position
Base Frame
(STEP 5)
Mounting
Screw
(STEPS 5,7)
FIGURE 2 - ADJUSTING THE SEAT HEIGHT - NON-TILT-IN-SPACE ORBIT
Top Front
Crossmember
Locknut
(STEPS 5,7)
Mounting
Screw
(STEPS 4,9)
6. Adjust seat plate assembly to one (1) of three (3)
positions: LOW position, MIDDLE position, or
HIGH position. Refer to FIGURE 2.
7. Secure the seat plate assembly to the base frame
with the mounting screws and locknuts. Securely
tighten.
The non-tilt rods and the seat plate assembly
MUST be adjusted to the exact same mount-
ing position (i.e. - HIGH - HIGH; MIDDLE -
MIDDLE; or LOW - LOW). The seat plate assem-
bly MUST remain level - otherwise, injury may
result.
8. Adjust the non-tilt rods to the corresponding seat
position: LOW position, MIDDLE position, or HIGH
position. Refer to FIGURE 2.
9. Secure the lower portion of the non-tilt rods to the
mounting brackets with the existing mounting
screws and locknuts. Securely tighten.
10. Reinstall the seat frame onto the base frame.
Refer to DISASSEMBLY in PROCEDURE 2 of
this manual.
Non-Tilt Rods
Locknut
(STEPS 4,9)
16
WARNING
Seat Plate
Mounting
Screw
(STEPS 5,7,9)
Mounting
Screw
(STEPS 4,9)
LOW position
MIDDLE position
HIGH position
Non-Tilt Rods
(STEPS 4,8,9)
SEAT