PROCEDURE 8

BACK FRAME

 

 

 

CHANGING BACK HEIGHT

 

(FIGURE 2)

B

NOTE: If changing the back height, new back upholstery

may be needed as well. Refer to the following chart to deter-

Amine if new back upholstery is needed:

C

 

BACK UPHOLSTERY HEIGHT RANGES

K

16-17-INCHES

F

18-19-INCHES

R

20-INCHES

A

21-22-INCHES

M

23-24-INCHES

EIf back height required is within the range of the origi- nal back height, only new back canes will be needed.

If the back height required is NOT within the range of the original back height, new back upholstery, as well as new back canes will be needed.

NOTE: Existing hardware and inserts will be reused.

1.Remove the armrests from the wheelchair. Refer to IN- STALLING/REMOVING FLIP BACK ARMRESTS in PROCEDURE 4 of the owner’s manual, 1081227.

NOTE:Notethecorrectmountingscrewmountingpositions to ensure the proper back angle for reinstallation.

NOTE: If needing a reference for proper mounting holes for the back angle required, or if changing the original back angle, refer to BACK ANGLE ADJUSTMENT in this pro- cedure of the manual.

WARNING

The back canes MUST be fastened se- curely to the seat frame BEFORE using the wheelchair. Torque to 75-inch pounds.

13.Secure the two (2) NEW backcanestotheseatframe with the existing four (4) mounting screws, washers, spacers, and locknuts. Use Loctite 242 and torque to 75-inch pounds.

14.Secure the top of the existing/new back upholstery to the back canes with the two (2) existing mounting screws and washers.

15.Secure bottom of the existing/NEW back upholstery to rear of the seat pan.

16.Secure the bottom of the existing/NEW back uphol- stery to the back canes with new tie-wraps.

NOTE: Clean upholstery with warm DAMP cloth and mild detergent to remove superficial soil.

2.Removethetwo(2)mountingscrewsandwashersthat secure the existing back upholstery to the back canes.

3.Remove the four (4) mounting screws, washers, spac- ers, and locknuts that secure the existing back canes to the seat frame.

4.Remove the inserts from the existing back canes.

5.Remove the back assembly from the wheelchair.

6.If applicable, loosen, but do not remove the mounting screwsandlocknutsthatsecurethespreaderbartothe existing back canes.

7.Remove existing back canes from the back assembly.

8.SlidetheinsertsintothebottomoftheNEWbackcanes.

9.Lineupthemountingholesoftheinsertswiththemount- ing holes in the back canes.

NOTE:Tokeeptheinsertslinedupforreinstallationontothe wheelchair,startone(1)ofthemountingscrewsthroughthe back cane from inside of the wheelchair to hold the insert in place.

10.Slide the NEW back canes through the existing/NEW back upholstery and spreader bar.

11.If applicable, loosely tighten the mounting screws that secure the spreader bar to the NEW back canes.

12.Line up the mounting holes in the back canes with the mounting holes in the seat frame.

WARNING

Laundering or moisture will reduce flame retardancy of the upholstery.

NOTE: When replacing the back upholstery, back as- sembly or changing back height, follow these guidelines for spreader bar height (where applicable):

BACK HEIGHT

υSPREADER BAR

 

HEIGHT

16-inches*

5-inches

17-inches*

5-inches

18-19-inches*

7-inches

20-24inches

7-inches

NOTE: Spreader Bar required on back heights 20-24- inches. *Spreader bar ONLY required on these back heightsifthewidthordepthofthechairexceeds19-inches.

υHeightofSpreaderBarfromBottomofBackCanes to Top of Spreader Bar Clamp.

HEAVY DUTY MODELS

NOTE: Spreader bar required on all Heavy Duty models.

BACK HEIGHT

υSPREADER BAR

 

HEIGHT

16-17-inches

5-inches

18-24-inches

7-inches

υHeight of Spreader Bar from Bottom of Back

Canes to Top of Spreader Bar Clamp.

38

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Invacare Ranger X, Arrow, Torque SP Procedure Back Frame, Heavy Duty Models, Mine if new back upholstery is needed