Part No. 1054916 25 T-3™ and T-4™ Series
FIGURE 4 - BACK ANGLE ADJUSTMENT94° BACK ANGLE TO SEAT RAIL
Back Cane Indexing Notch
Cam
Back Angle
Bracket
Seat Rail
TOP Hex
Screw and
Locknut
90° BACK ANGLE TO SEAT RAIL
Back
Cane
Indexing Notch
Cam
Back Angle Bracket
Seat Rail
TOP Hex Screw
and Locknut
77° BACK ANGLE TO SEAT RAIL
Back Cane Indexing
Notch
Cam
Back Angle
Bracket
Seat Rail
TOP Hex
Screw and
Locknut
73° BACK ANGLE TO SEAT RAIL
Back Cane Indexing
Notch
Cam
Back Angle Bracket
Seat Rail
TOP Hex Screw
and Locknut
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.
BACKPROCEDURE 3
BACK
BACK
84° BACK ANGLE TO SEAT RAIL
Back Cane Indexing Notch
Cam
Back Angle Bracket
Seat Rail
TOP Hex Screw
and Locknut
85° BACK ANGLE TO SEAT RAIL
Back Cane Indexing Notch
Cam
Back Angle
Bracket
Seat Rail
TOP Hex
Screw and
Locknut