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manual abstract
Back Cane Adjustment Screw Arm Tube Cantilever Arm Armpad FIGURE 8.5 Adjusting the Angle of the Cantilever Arms Installing/Removing the Cantilever Arm Armpad NOTE: For this procedure, refer to FIGURE 8.6. NOTE: Reverse this procedure to remove the cantilever arm armpad. Secure the new armpad to the cantilever arm tube with two screws. Cantilever Arm Tube Cantilever Arm Armpad Screws FIGURE 8.6 Installing/Removing the Cantilever Arm Armpad Part No 1143238 47 Adjustable ASBA Seat SECTION 9—ADULT BACKS SECTION 9—ADULT BACKS WARNING After any adjustments, repair or service and before use, make sure all attaching hardware is tightened securely - otherwise injury or damage may result. Before performing any maintenance, adjustments or service, ALWAYS turn the wheelchair power off, otherwise injury or damage may result. Removing/Installing the Contoura Back NOTE: For this procedure, refer to FIGURE 9.1 on page 49. Removing the Contoura Back 1. Remove back cushion. 2. Removethetwomountingscrewsthatsecurethelowerfrontmountingbracketstothe back canes. 3. Remove the four socket screws, washers and locknuts (not shown) that secure the four front and rear mounting brackets. 4. Remove the Contoura back and hardware from the back canes. Installing the Contoura Back 1. Position the front mounting brackets against the back canes. 2. Secure the lower front mounting brackets to the back canes using the two mounting screws. Torque to 32 in.lbs ± 20%. 3. Insert the tab of the rear mounting bracket into the slot in the front mounting bracket. 4. Secure the four rear mounting brackets to the four front mounting brackets using the four socket screws, washers and locknuts (not shown). Torque to 75 in.lbs ± 20%. 5. If necessary, tighten the socket screws and locknuts securing the front mounting brackets to the slot in the Contoura back. Torque to 75 in.lbs ± 20%. Removing the Mounting Hardware from the Contoura Back 1. Remove the four socket screws, eight washers and four locknuts that secure the front mounting bracket to the Contoura back. 2. Remove the hardware from the back. Adjustable ASBA Seat 48 Part No 1143238 SECTION 9—ADULT BACKS Part No 1143238 49 Adjustable ASBA Seat Installing the Mounting Hardware onto the Contoura Back 1. Secure two of the front mounting brackets to the mounting holes in the Contoura back using two socket screws, four washers and two locknuts. Torque to 75 in.lbs ± 20%. 2. Loosely attach the remaining two front mounting brackets to the slots in the Contoura back using two socket screws, four washers and two locknuts. NOTE: The two socket screws and locknuts will be tightened when the Contoura back is installed onto the back canes. 3. Install the Contoura back. Refer to Installing the Contoura Back on page 48. FIGURE 9.1 Removing/Installing the Contoura Back Upper Front Mounting Bracket Socket Screws* Socket Screws** Washer Washer Washer Mounting Screw Socket Screw* Mounting Screw Socket Screw* Locknuts Washer Lower Front Mounting Bracket Lower Front Mounting Bracket Contoura Back Back Cane Back Cane Rear Mounting Bracket *NOTE: Remove these socket screws when removing the back from the back canes. **NOTE: Remove these socket screws when removing the hardware from the back. SECTION 9—ADULT BACKS Adjusting the Back Width A new back pan is required when the back width is adjusted. Back width MUST be adjusted with seat width. Refer to Adjusting the Seat Width on page 62. Contoura Backs Only .Seat and back widths are restricted to 16, 18, 20, 22 or 24 inches. Adjusting the Back Angle WARNING Wheelchairs with TRRO Only - Adjusting the back angle from the factory setting will void TRRO compliance. After adjusting the back angle, DO NOT transport an occupied wheelchair in a motor vehicle of any kind. The wheelchair may only be transported in a motor vehicle while unoccupied, and will be considered TRBKTS. NOTE: For this procedure, refer to FIGURE 9.2. 1. Loosen, but DO NOT remove, the two lower hex screws securing the cane brackets to the back canes. 2. Remove the two upper hex screws, washers and locknuts securing the cane brackets to the back canes. 3. Align the upper mounting holes in the back canes with the desired mounting holes in the cane brackets (Detail “A”). 4. Install the two upper hex screws, washers and locknuts to secure the cane brackets to the back canes. 5. Torque the locknuts on upper and lower hex screws to 13 ft.lbs ± 20%. Cane Bracket Back Cane Upper Hex Screw Lower Hex Screw Washer Locknut 105° 100° 90° 95° DETAIL “A” - CANE BRACKET MOUNTING HOLES 85° FIGURE 9.2 Adjusting the Back Angle Adjustable ASBA Seat 50 Part No 1143238 SECTION 9—ADULT BACKS Adjusting the Back Height Contoura Backs .There is no height adjustment available for wheelchairs with Contoura backs. Upholstered Backs .The back canes MUST be replaced to adjust the back height for upholstered backs. Refer to Removing/Installing the Back Canes on page 51. Removing/Installing the Back Canes NOTE: For this procedure, refer to F...