Invacare Top End T-3 Tennis Adjustable Operating And Maintenance Manual page 25

PROCEDURE 3
2. Loosen the TOP hex screw locknut and slide the TOP hex screw away from the back
angle mounting bracket to adjust the cam.
3. Adjust back canes to approximate back angle required.
4. Adjust cam to achieve desired position.
NOTE: An indexing notch has been put on the adjustment cam to help determine cam position for
desired back angle adjustment.
5. Reassemble and torque hex screws to 960-1020 inch pounds (80-85 foot pounds).
NOTE: As shown in FIGURE 4, the adjustment cam can be rotated to several different positions thus
changing the overall back angle relative to the seat rail.
73° BACK ANGLE TO SEAT RAIL
Back Cane
TOP Hex Screw
and Locknut
Back Angle Bracket
84° BACK ANGLE TO SEAT RAIL
Back Cane
TOP Hex Screw
and Locknut
Back Angle Bracket
90° BACK ANGLE TO SEAT RAIL
Back
Cane
TOP Hex Screw
and Locknut
FIGURE 4 - BACK ANGLE ADJUSTMENT
Part No. 1054916
Indexing
Notch
Cam
Seat Rail
Indexing Notch
Cam
Seat Rail
Indexing Notch
Cam
Back Angle Bracket
Seat Rail
25
77° BACK ANGLE TO SEAT RAIL
Back Cane
TOP Hex
Screw and
Locknut
Back Angle
Bracket
Seat Rail
85° BACK ANGLE TO SEAT RAIL
Back Cane
TOP Hex
Screw and
Locknut
Back Angle
Bracket
94° BACK ANGLE TO SEAT RAIL
Back Cane
TOP Hex
Screw and
Locknut
Back Angle
Bracket
T-3™ and T-4™ Series
BACK
Indexing
Notch
Cam
Indexing Notch
Cam
Seat Rail
Indexing Notch
Cam
Seat Rail