Invacare Back Support Adjusting the Depth Hardware Figure, Adjusting the Lateral Supports Figure

5. Adjust the lateral supports. Refer to ADJUSTING THE LATERAL SUPPORTS in this procedure of the manual.

4. Install the four (4) long mounting screws. Torque to 45-50 in./lbs.

3. Alignthehingewiththemountingholesoneachbackpanel.

NOTE:Ensureallmountingholesarealigned.

A 1. Remove the four (4) short mounting screws securing the

D hingetothebackpanels.

J NOTE: Save the short mounting screws for future conversion U tofixedanglehinges.

S 2. Position the elastomers, spacers and washers as shown

T in FIGURE 3.

I

N

G

PROCEDURE 4

ConvertingFixedAngleHingestoDynamic Flex Hinges (FIGURE 3)

ADJUSTING THE INFINITY BACK

Back	Spacer
Panel	Elastomer
Mounting	Hinge
Holes
Washer
Hinge Mounting
Hole	Mounting Screws

FIGURE 3 - ADJUSTING THE HINGE

(DUALFLEX ONLY) - CONVERTING HINGES

ADJUSTING THE DEPTH

HARDWARE (FIGURE 4)

NOTE: Refer to the INSTALLATION AND STABILITY WARNINGS in the SAFETY SUMMARY of this manual.

1.Ensure all cushions have been installed on the Infinity Back.RefertoINSTALLING/REMOVINGCUSHIONS in PROCEDURE 2 of this manual.

2.Hold the Infinity Back up to the wheelchair.

3.Visually inspect the Infinity Back and the wheelchair to determine the desired depth.

4.Loosen the mounting screw in the depth bracket.

5.Slide the depth bracket until the mounting screw is positioned in the desired adjustment hole.

NOTE: The width bracket has two (2) mounting holes. It may be necessary to move the mounting screw to the other hole to achieve the desired depth.

6.Torquemountingscrewto 45-50 in./lbs. tosecuredepth bracket to width bracket.

7.Perform one (1) of the following:

DUALFLEX-Adjustthehingeand/orangleoftheback, ifpresent.Referto ADJUSTING THE HINGE/ANGLE in this procedure of the manual.

UNIBACK - Proceed toADJUSTING THE LATERAL SUPPORTS in this procedure of the manual.

Depth

Bracket

Width

Bracket

Mounting Hole

Adjustment

Hole

Mounting Screw

FIGURE 4 - ADJUSTING THE DEPTH

HARDWARE

ADJUSTING THE LATERAL

SUPPORTS (FIGURE 5)

NOTE: Refer to the INSTALLATION AND STABILITY WARNINGS in the SAFETY SUMMARY of this manual.

NOTE: Lateral supports include the lateral thoracic sup- ports and the pelvic stabilizers.

Adjusting the Width

1.Visually inspect the orientation of one (1) curved washer on one (1) lateral support.

2.Perform one (1) of the following:

A.Curved washer oriented as shown in DETAIL "A" of FIGURE 5 - Perform the following steps:

a.Loosen, but do not remove the mounting screw.

b.Proceed to STEP 3.

B.Curved washer oriented as shown in DETAIL "B" of FIGURE 5 - Perform the following steps:

a.Hold the mounting screw with the threads UP.

b.Position the tooth lock washer on the mounting screw.

c.Position the curved washer on the mount- ing screw so that the bent portion is TO- WARD the head of the mounting screw as shown in DETAIL "A" of FIGURE 5.

d.Loosely install the mounting screw with washers through the adjustment slot and into the lateral support.

3.Repeat STEPS 1-2for the other mounting screw on the same lateral support.

4.Repeat STEPS 1-3for the remaining lateral sup- ports which need adjustment.

5.Position the user in the wheelchair.

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