SECTION
1.Loosen, but DO NOT remove the locknuts and hex screws that secure the back angle bracket to the seat rail and the back cane.
2.Loosen the top locknut and slide the top hex screw away from the back angle bracket to adjust the cam.
3.Adjust back canes to back angle required.
4.Adjust cam to achieve desired position.
NOTE: An indexing notch has been put on the cam to help determine cam position for desired back angle adjustment.
5.Secure cam in desired position. Torque all hex screws and locknuts to 960‐1020 inch pounds (80‐85 foot‐pounds).
NOTE: As shown in FIGURE 4.2, the adjustment cam can be rotated to several different positions thus changing the overall back angle relative to the seat rail.
95° Back Angle to Seat Rail |
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| 90° Back Angle to Seat Rail |
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Back Cane |
| Indexing |
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| Back Cane |
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| Indexing Notch | ||
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| Notch |
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TOP Hex |
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Screw and |
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| TOP Hex |
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Locknut |
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| Screw and |
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| Cam | |
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| Cam |
| Locknut | |
Back Angle |
| Back Angle Bracket |
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Bracket |
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| Seat Rail |
| Seat Rail | ||
85° Back Angle to Seat Rail |
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| 80° Back Angle to Seat Rail |
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Back |
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| Back Cane |
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Cane | Indexing Notch |
| Indexing |
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| Notch |
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| TOP Hex |
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| Screw and |
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TOP Hex Screw |
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| Locknut |
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and Locknut |
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| Cam |
| Cam | |
Back Angle Bracket |
| Back Angle Bracket |
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| Seat Rail |
| Seat Rail |
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75° Back Angle to Seat Rail
Back Cane | Indexing |
| Notch |
TOP Hex Screw | Cam | |
and Locknut | ||
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Back Angle Bracket | Seat Rail | |
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FIGURE 4.2 Back Angle Adjustment
Everyday and Sport Series Wheelchairs | 30 | Part No 1114851 |