Invacare Wheelchair Infinity LoBack Support User Manual

Owner's Operator And Maintenance Manual  
TM TM  
Infinity LoBack Support  
DEALER:THIS MANUAL MUST BE GIVENTOTHE USER  
OFTHE WHEELCHAIR.  
USER: BEFORE USINGTHISWHEELCHAIR, READTHIS  
MANUAL AND SAVE FOR FUTURE REFERENCE.  
 
SAFETY SUMMARY  
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SAFETY SUMMARY  
NOTE: Check all parts for shipping damage. In case of damage, DO NOT use. Contact your Dealer for further instruction.  
INSTALLATION WARNINGS  
Sta bilize from the ground up. A sta ble ba se , pe lvis a nd footre sts a re re quire me nts for a ny torso  
positioning syste m.  
For prope r insta lla tion of the Infinity LoBa c k a nd to re duc e the risk of pre ssure sore s, the a djust-  
me nt proc e dure s in this ma nua l MUST be pe rforme d in the following orde r:  
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1. Adjusting the Mounting Ha rdwa re / He ight  
2. Adjusting the De pth Ha rdwa re  
3. Adjusting the Angle  
4. Adjusting the La te ra l Supports  
Ensure the c a ne c la mps tha t se c ure the Infinity LoBa c k to the whe e lc ha ir a re prope rly se c ure d to  
the whe e lc ha ir BEFORE using. Othe rwise , c ha nge s in se a t de pth will oc c ur, ma king the whe e l-  
c ha ir le ss sta ble .  
Afte r ANY a djustme nts, re pa ir or se rvic e a nd BEFORE use , ma ke sure a ll a tta c hing ha rdwa re is tight-  
e ne d se c ure ly - othe rwise injury or da ma ge ma y oc c ur.  
STABILITY WARNINGS  
The se a t he ight, se a t de pth, ba c k he ight, tilt a ngle , ba c k a ngle , pivot point of se a t fra me , se a ting  
syste m, c a ste r position, size a nd position of the re a r whe e ls, whe e l loc ks, a nti-tippe rs, loc king c ol-  
la r a s we ll a s the use r c ondition dire c tly re la te to the sta bility of the whe e lc ha ir. Any c ha nge to  
one (1) or a ny c ombina tion of the fourte e n (14) ma y c a use the whe e lc ha ir to de c re a se in sta bil-  
ity. Use EXTREME c a ution whe n using a ne w se a ting position.  
Seat Height  
Back Height  
Seat Depth  
Back Angle  
Seating System  
Tilt Angle  
Seat Frame Pivot Point  
Caster Position  
Rear Wheel Size  
Rear Wheel Position  
User Condition  
Seat Dump  
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Locking Collar  
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NOTE: When changes to the left hand column occur, follow across the chart and refer to the GGprocedure to  
maintain the proper stability, safety and handling of the wheelchair.  
NOTE: Additional adjustments may be needed according to the wheelchair type. Refer to the wheelchair  
owner's manual for these procedures.  
3
 
SAFETY SUMMARY  
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SAFETY SUMMARY  
STABILITY WARNINGS (CONTINUED)  
ALWAYS ma ke sure whe e lc ha ir is sta ble BEFORE re c lining the ba c k syste m. Re a r whe e ls ma y ha ve  
to be re positione d re a rwa rd de pe nding on the de gre e of re c line . ALWAYS e nsure sta bility BEFORE  
using ma ximum a mount of re c line . TEST whe e lc ha ir BEFORE it is oc c upie d by e nd use r to e nsure  
sta bility.  
To ma inta in the sta bility of the whe e lc ha ir whe n moving the re a r whe e ls to ANY forwa rd position,  
the a mount of re c line MUST be limite d to pre ve nt the whe e lc ha ir from tipping onto the a nti-  
tippe rs.  
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The ne c e ssa ry ba c k a ngle MUST be se le c te d BEFORE re positioning re a r whe e ls forwa rd.  
AS REGARDS RESTRAINTS - SEAT POSITIONING STRAPS - IT IS THE OBLIGATION OF THE DME DEALER,  
THERAPISTS AND OTHER HEALTH CARE PROFESSIONALS TO DETERMINE IF A SEAT POSITIONING STRAP  
IS REQUIRED TO ENSURE THE SAFE OPERATION OF THIS EQUIPMENT BY THE USER. SERIOUS INJURY  
CAN OCCUR IN THE EVENT OF A FALL FROM A WHEELCHAIR.  
SEATING PRESSURE WARNING  
Skin c ondition should be c he c ke d ve ry fre que ntly a fte r the insta lla tion a nd use of a ny ne w se a t-  
ing syste m.  
GENERAL WARNINGS  
Ca re should be ta ke n to pre ve nt the hook a nd loop fa ste ne rs from be c oming we t. Prolonge d  
c onta c t with moisture ma y re duc e the hold of the hook a nd loop fa stne rs.  
4
 
IMPORTANT INFORMATION/INSTALLATION/ADJUSTMENT OVERVIEW  
IMPORTANT INFORMATION  
Thebestwaytoavoidproblemsrelatedtopressuresores All cushions should be selected carefully. Working with  
is to understand their causes and your role in a skin man- your therapist, physician and equipment supplier is the  
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agement program.  
best way to assure that a cushion choice matches your  
individual needs.  
Your therapist and physician should be consulted if you  
have any questions regarding weight relief, self-exami- As the needs of the client become more complex, the  
nation of skin, or individual limitations and needs.  
cushion evaluation becomes more important.  
INSTALLATION/ ADJ USTMENT OVERVIEW  
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INSTALLATION/ ADJ USTMENT OVERVIEW (FIGURE 1)  
WARNING  
For proper insta lla tion of the Infinity LoBa ck a nd to re duc e the risk of pressure sores, the a djustment  
procedures in this ma nua l MUST be performed in the following order:  
3. Adjusting the Angle  
4. Adjusting the La te ra l Supports  
1. Adjusting the Mounting Ha rdwa re / He ight  
2. Adjusting the De pth Ha rdwa re  
Follow the steps below in order. Refer to the procedure below each step.  
STEP 8  
STEP 2  
STEP 3  
Adjust the lateral supports.  
Install/remove the lateral  
Install the back cushion. Refer  
to INSTALLING/REMOVING  
THE BACK CUSHION in  
PROCEDURE 2  
Refer to ADJUSTING THE  
supports. Refer to INSTALLING/  
LATERAL SUPPORTS in  
REMOVING THE  
PROCEDURE 4 of this  
LATERAL SUPPORTS in  
manual.  
PROCEDURE 2 of this manual.  
of this manual.  
STEP 4  
Install the Infinity LoBack.  
Refer to INSTALLING/  
REMOVING THE INFIN-  
ITY LOBACK in PROCE-  
DURE 3 of this manual.  
STEP 7  
Adjust the angle.  
Refer to ADJUST-  
ING ANGLE in  
PROCEDURE 4 of  
this manual.  
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STEP 6  
STEP 1  
Adjust the depth of the Infinity  
LoBack. Refer to ADJUSTING  
THE DEPTH HARDWARE in  
PROCEDURE 4 of this manual.  
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Install the cane  
clamps onto the  
wheelchair. Refer to  
INSTALLING/  
REMOVING CANE  
STEP 5  
CLAMPS in PRO-  
Adjust the height of the Infinity  
CEDURE 1 of this  
LoBack. Refer to ADJUSTING  
manual.  
THE MOUNTING HARDWARE/  
HEIGHT in PROCEDURE 4 of  
this manual.  
FIGURE 1 - INSTALLATION/ADJUSTMENT OVERVIEW  
5
 
PROCEDURE 1  
PREPARING WHEELCHAIR  
Rem oving Cane Clam ps  
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This Procedure includes the following:  
Installing/Removing Cane Clamps  
1. Remove the Infinity LoBack from the wheelchair.  
Refer to REMOVING THE INFINITY LOBACK in  
PROCEDURE 3 of this manual.  
INSTALLING/ REMOVING CANE  
CLAMPS (FIGURE 1)  
2. Loosen, but do not remove the two (2) mounting  
screws on the two (2) cane clamps.  
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3. Remove the two (2) cane clamps from the two (2)  
back canes of the wheelchair.  
WARNING  
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Afte r ANY a djustme nts, re pa ir or se rvic e a nd  
BEFORE use , ma ke sure tha t a ll a tta c hing ha rd-  
wa re is tighte ne d se c ure ly - othe rwise injury or  
da ma ge ma y re sult.  
Cane Clamp  
NOTE: Refer to the INSTALLATION AND STABILITY  
WARNINGS in the SAFETY SUMMARY of this manual.  
R
Installing Cane Clam ps  
Mounting Screw  
(Faces TOWARD  
the REAR of the  
Wheelchair)  
NOTE: The final mounting positions of the cane clamps  
will be determined by the adjustments made to the Infin-  
ity LoBack to fit the wheelchair and user.  
1. Remove the existing back upholstery. Refer to the  
wheelchair Owner's Manual.  
2. Hold the Infinity LoBack up to the back canes at the  
desired mounting height.  
3. Visually inspect the location of the clamps on the In-  
finity LoBack to determine the proper positions for  
each cane clamp.  
4. Loosen, but do not remove the mounting screw on  
one (1) of the cane clamps.  
5. Position the cane clamp on one (1) back cane, mak-  
ing sure that the HEAD of the mounting screw faces  
TOWARD theREARofthewheelchair. Handtighten  
ONLY.  
Back Cane  
NOTE: It is NOT necessary to tighten the two (2) mount-  
ing screws on the two (2) cane clamps at this time. The  
two (2) cane clamps will be adjusted AFTER the Infinity  
LoBack has been installed on the wheelchair and the  
user has been evaluated.  
6. Repeat STEPS 5-6 to install the other cane clamp on  
the opposite back cane.  
FIGURE 1 - INSTALLING/REMOVING CANE  
CLAMPS  
NOTE: Make sure that the two (2) cane clamps are in the  
positiondetermined in STEP 3 AND that the two (2) cane  
clamps are in the same position on each back cane by  
measuringthedistancefromthebottomofeachbackcane  
to the bottom of each cane clamp.  
6
 
PREPARING THE INFINITY LOBACK FOR INSTALLATION  
PROCEDURE 2  
Rem oving  
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This Procedure includes the following:  
1. Remove the back cushion from the back panel. Refer  
to INSTALLING/REMOVING CUSHIONS in this pro-  
cedure of the manual.  
Installing/Removing the Lateral Supports  
Installing/Removing the Back Cushion  
Installing/Removing the Lower Flap  
2. Remove the (2) mounting screws and washers se-  
curing the lateral support to the back panel.  
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INSTALLING/ REMOVING THE  
LATERAL SUPPORTS (FIGURE 1)  
3. Remove the lateral support.  
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4. Repeat STEPS 2-3 for the remaining lateral supports,  
if necessary.  
WARNING  
Afte r ANY a djustme nts, re pa ir or se rvic e a nd  
BEFORE use , ma ke sure tha t a ll a tta c hing ha rd-  
wa re is tighte ne d se c ure ly - othe rwise injury or  
da ma ge ma y re sult.  
DETAIL “A”  
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Lateral  
Upper  
Support  
Mounting  
Holes  
NOTE: Refer to the INSTALLATION AND STABILITY  
WARNINGS in the SAFETY SUMMARY of this manual.  
Installing  
Middle  
Mounting  
Holes  
NOTE: The final mounting positions of the lateral sup-  
ports will be determined by the adjustments made to the  
Infinity LoBack to fit the wheelchair and user.  
Lower  
Mounting  
Holes  
1. Remove the back cushion from the back panel. Re-  
fer to INSTALLING/REMOVING THE BACK CUSH-  
ION in this procedure of the manual.  
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NOTE: The lateral supports can be adjusted to three (3)  
different height positions (DETAIL “A”).  
2. Align the upper, middle or lower mounting holes in  
the lateral support with the toothed adjustment slots  
in the back panel (DETAIL “A”).  
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Toothed  
Adjustment  
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Lateral  
Support  
Slot  
NOTE: The grooves next to the mounting holes in the  
lateral supports are provided to ensure that opposite lat-  
eralsupportsareinstalledusingtheSAMEmountingholes  
(FIGURE 1). To ensure that this occurs, install one (1)  
lateral support at the desired height and look through the  
toothedadjustmentslottoseewhichmountingholeshave  
been used. Then, install the opposite lateral support us-  
ing the SAME mounting holes.  
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Grooves  
3. Install the two (2) mounting screws and washers that  
secure the lateral support to the back panel. Hand  
tighten ONLY.  
Mounting  
Screws  
NOTE:ItisNOTnecessarytotightenthemountingscrews  
on the lateral support at this time. The lateral supports will  
be adjusted AFTER the Infinity LoBack has been installed  
on the wheelchair and the user has been evaluated.  
Back Panel  
FIGURE 1 - INSTALLING/REMOVING THE  
LATERAL SUPPORTS  
4. Repeat STEPS 2-3 to install the OPPOSITE lateral  
support.  
5. Reinstall the back cushion onto the back panel. Re-  
fer to INSTALLING/REMOVING THE BACK CUSH-  
ION in this procedure of the manual.  
7
 
PROCEDURE 2  
PREPARING THE INFINITY LOBACK FOR INSTALLATION  
INSTALLING/ REMOVING THE BACK  
CUSHION (FIGURE 2)  
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2. Align the hook and loop fasteners on the BACK of the  
cushion with the hook and loop fasteners on the  
FRONT of the back panel (DETAIL “A”).  
NOTE: Refer to the INSTALLATION AND STABILITY  
WARNINGS in the SAFETY SUMMARY of this manual.  
NOTE:Makesurethecushioniscenteredonthebackpanel.  
3. Makesurethehookandloopfastenersmeetbyfirmly  
pushing the cushion and back panel together. (DE-  
TAIL “A”).  
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CAUTION  
The c ushion c ove rs a re de signe d to prote c t the  
foa m a g a inst m oisture a nd to p rovid e fire  
re ta rde nc y. DO NOT use the ba c k without the  
c ove rs. If the c ove rs a re torn, the y MUST be re -  
pla c e d imme dia te ly.  
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4. Graspthefoldinghookandloopfasteneronthecush-  
ion and fold them over the TOP of the back panel,  
making sure they meet the hook and loop fastener  
on the BACK of the back panel (DETAIL “A”).  
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5. Grasp the fixed flap AND the modesty flap and fold  
them so they cover the BACK of the back panel.  
NOTE: Invacare recommends the use of a fire retardent  
cushion with the Infinity LoBack.  
6. Align the two (2) hook and loop fasteners at the TOP  
of the modesty flap with the two (2) hook and loop  
fastenersattheBOTTOMofthecushion(DETAILB”).  
Installing  
1. Lift up on the modesty flap AND the fixed flap that  
covers the BACK of the cushion, and fold them so  
they hang over the FRONT of the cushion.  
NOTE: Modesty flap and fixed flap not shown in DETAIL “A” and DETAIL “B” for clarity.  
DETAIL “A”  
DETAIL “B”  
NOTE:Frontofbackpanel/hookandloopfastener(STEP  
2-3) not shown for clarity.  
Hook and  
Loop  
Fastener  
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Folding Hook  
and Loop  
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Fasteners  
Top of  
Back  
Panel  
Bottom of  
Cushion  
NOTE: Modesty flap  
and fixed flap should  
hang on front side of  
the cushion during  
installation/removal.  
Hook and  
Loop  
Fasteners  
op of  
T
Hook and  
Loop  
Fastener  
Modesty Flap  
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TOP VIEW  
Bottom of Cushion  
Back of  
Cushion  
Top of  
Back Panel  
Hook and  
Loop  
Fasteners  
Top of  
Modesty  
Flap  
Hook and  
Loop  
Fastener  
Hook and  
Loop  
Fasteners  
Back of  
Back Panel  
FIGURE 2 - INSTALLING/REMOVING THE BACK CUSHIONS  
8
 
PREPARING THE INFINITY LOBACK FOR INSTALLATION  
PROCEDURE 2  
2. Grasp the modesty flap and pull DOWN to release  
the hook and loop fasteners at the TOP of the REAR  
side of the modesty flap from the hook and loop fas-  
teners at the BOTTOM of the FRONT side of the  
fixed flap (DETAIL “A”).  
7. Makesurethehookandloopfastenersmeetbyfirmly  
pushing the TOP of the modesty flap and the BOT-  
TOM of the cushion together.  
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Rem oving  
3. Remove the modesty flap.  
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1. Grasp the modesty flap AND the fixed flap.  
2. Pull UP to release the two (2) hook and loop fasten-  
ers on the TOP of the modesty flap from the two (2)  
hookandloopfastenersontheBOTTOMofthecush-  
ion (DETAIL “B”).  
DETAIL “A”  
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NOTE: The hook and loop fasteners on the front side of  
the fixed flap are not shown for clarity.  
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2. Fold the modesty flap AND the fixed flap over the  
FRONT of the cushion.  
Hook and Loop  
Fasteners  
3. Grasp the two (2) folding hook and loop fasteners on  
the cushion and pull UP to release them from the two  
(2) hook and loop fasteners on the BACK of the back  
panel (DETAIL “A”).  
Bottom of  
Fixed Flap  
4. Grasp the cushion and pull it away from the back  
panel to release the remaining hook and loop fasten-  
ers on the cushion and back panel (DETAIL “A”).  
5. Remove the cushion.  
Top of Modesty Flap  
Rear Side  
INSTALLING/ REMOVING THE  
MODESTY FLAP (FIGURE 3)  
F
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NOTE: Refer to the INSTALLATION AND STABILITY  
WARNINGS in the SAFETY SUMMARY of this manual.  
I
Installing  
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DETAIL “B”  
1. Align the hook and loop fasteners at the TOP of the  
REAR side of modesty flap with the hook and loop  
fasteners at the BOTTOM of the FRONT side of the  
fixed flap (DETAIL ”A”).  
Folding Hook and  
Loop Fasteners  
2. Makesurethehookandloopfastenersmeetbyfirmly  
pushing the TOP of the modesty flap and the BOT-  
TOM of the fixed flap together (DETAIL “A”).  
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3. Align the two (2) hook and loop fasteners at the TOP  
of the FRONT side of the modesty flap with the two  
(2) folding hook and loop fasteners at the BOTTOM  
of the REAR side of the cushion (DETAIL “B”).  
Bottom Of  
Cushion  
4. Makesurethehookandloopfastenersmeetbyfirmly  
pushing the TOP of the modesty flap and the BOT-  
TOM of the cushion together, making sure the hook  
and loop fasteners meet (DETAIL ”B”).  
Top of  
Modesty  
Flap  
Rem oving  
1. Grasp the two (2) hook and loop fasteners at the  
TOP of the FRONT side of the modesty flap and pull  
UP to release them from the two (2) hook and loop  
fastener at the BOTTOM of the REAR side of the  
cushion (DETAIL “B”).  
Hook And Loop Fasteners  
FIGURE 3 - INSTALLING/REMOVING THE  
MODESTY FLAP  
9
 
PROCEDURE 3  
INSTALLING/REMOVING THE INFINITY LOBACK  
A. ADJUSTING THE MOUNTING HARDWARE/  
HEIGHT  
B. ADJUSTING THE DEPTH HARDWARE  
C. ADJUSTING THE ANGLE  
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This Procedure includes the following:  
Installing/Removing the Infinity LoBack  
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D. ADJUSTING THE LATERAL SUPPORTS  
INSTALLING/ REMOVING THE  
INFINITY LOBACK (FIGURE 1)  
NOTE: Perform the above procedures in the order listed.  
11. Inspect all mounting screws to ensure ALL hardware  
has been tightened securely. Torque to 45-50 in./lbs.  
WARNING  
Afte r ANY a djustme nts, re pa ir or se rvic e a nd  
BEFORE use , ma ke sure tha t a ll a tta c hing ha rd-  
wa re is tighte ne d se c ure ly - othe rwise injury or  
da ma ge ma y re sult.  
13. Ifnecessary,repeatSTEPS8-11untiltheuseriscom-  
fortable.  
Rem oving the Infinity LoBack  
NOTE: Refer to the INSTALLATION AND STABILITY  
WARNINGS in the SAFETY SUMMARY of this manual.  
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1. Grasp the handle of one (1) of the locking pins and  
push it BACK to release the lock, and then pull it UP-  
WARD until the handle is parallel with the rest of the  
locking pin.  
Installing the Infinity LoBack  
1. Ensurethetwo(2)caneclampsareproperlyinstalled  
onto the wheelchair frame. Refer to INSTALLING/  
REMOVING CANE CLAMPS in PROCEDURE 1 of  
this manual.  
2. Repeat STEP 5 for the opposite locking pin.  
3. Grasp the Infinity Loback from the bottom and pull  
upward to release it from the mounting pins on the  
two (2) cane clamps.  
2. If necessary, adjust the Infinity LoBack to fit on the  
back canes. Refer to ADJUSTING THE INFINITY  
LOBACK in PROCEDURE 4 of this manual.  
4. Remove the Infinity LoBack.  
DETAIL “A”  
3. Alignthemountingholesinthetwo(2)InfinityLoBack  
mounting clamps with the locking pins on the two (2)  
cane clamps (FIGURE 1).  
Handle  
Pull Handle  
Forward to  
Engage Lock  
4. Lower the Infinity LoBack onto the wheelchair back  
canes, making sure the locking pins on the two (2)  
cane clamps pass through the mounting holes in the  
two (2) mounting clamps of the Infinity LoBack.  
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Locks to  
Form A  
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5. Firmly grasp the handle of the locking pin and bend it  
DOWN until it forms a 90o angle with the rest of the  
locking pin, then push it FORWARD to fully engage  
the lock. (DETAIL “A”).  
90o Angle  
Locking  
Pin  
Infinity LoBack  
NOTE: The locking pin is fully engaged when the handle  
of the locking pin bends down to form a 90° angle with the  
rest of the of the locking pin.  
Mounting  
Clamp  
6. Repeat STEP 5 for the opposite locking pin.  
7. Ensure all cushions and lateral supports have been in-  
stalled. Refer to PREPARING THE INFINITY BACK  
FOR INSTALLATION in PROCEDURE 2 of this  
manual.  
8. Position the user into the wheelchair to determine  
which adjustments need to be made to properly fit  
the Infinity LoBack. Refer to the wheelchair owner’s  
manual.  
Mounting Hole  
Locking Pin  
9. Remove the user from the wheelchair. Refer to the  
wheelchair owner’s manual.  
Cane Clamp  
10. Perform the following procedures to adjust the Infin-  
ity LoBack to fit the user if necessary. Refer to AD-  
JUSTINGTHEINFINITYLOBACKinPROCEDURE  
4 of this manual.  
Back Cane  
FIGURE 1 - INSTALLING/REMOVING THE INFINITY  
LOBACK  
10  
 
ADJUSTING THE INFINITY LOBACK  
PROCEDURE 4  
6. Torque the mounting screw to 45-50 in./lbs.  
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This Procedure includes the following:  
Adjusting the Height  
7. Repeat STEPS 2-6 for the opposite cane clamp.  
NOTE: Make sure that the two (2) cane clamps are in the  
same position on each back cane by measuring the dis-  
tance from the bottom of each back cane to the bottom of  
each cane clamp.  
Adjusting the Depth Hardware  
Adjusting the Angle  
N
G
Adjusting the Lateral Supports  
9. ReinstalltheInfinityLoBackontothewheelchair. Refer  
to INSTALLING/REMOVING THE INFINITY  
LOBACK in PROCEDURE 3 of this manual,  
WARNING  
T
H
E
For prope r insta lla tion of the Infinity LoBa c k a nd  
to re duc e the risk of pre ssure sore s, the a djust-  
me nt proc e dure s be low MUST be pe rforme d in  
the following orde r:  
L
O
B
A
C
K
1.  
2.  
3.  
4.  
Adjusting the Mounting Ha rdwa re / He ight  
Adjusting the De pth Ha rdwa re  
Adjusting the Angle  
Cane  
Clamp  
Adjusting the La te ra l Supports  
NOTE: After performing each procedure, place the user  
in the wheelchair and inspect to ensure the correct ad-  
justments have been made for user comfort. If neces-  
sary, repeat the procedure until the user is comfortable.  
Move Up  
Or Down  
ADJ USTING THE MOUNTING  
HARDWARE/ HEIGHT (FIGURE 1)  
NOTE: Refer to the INSTALLATION AND STABILITY  
WARNINGS in the SAFETY SUMMARY of this manual.  
Mounting  
Screw  
1. RemovetheInfinityLoBackfromthewheelchair.Refer  
to INSTALLING/REMOVING THE INFINITY  
LOBACK in PROCEDURE 3 of this manual,  
2. Loosen the mounting screw on the cane clamp.  
FIGURE 1 - ADJUSTING THE MOUNTING  
HARDWARE/ HEIGHT  
3. Move the cane clamp up or down until the desired  
position is acheived.  
4. Loosen the two (2) mounting screws on the two (2)  
cane clamps.  
ADJ USTING THE DEPTH  
HARDWARE  
5. Perform one (1) of the following to achieve the de-  
sired depth:  
NOTE: Refer to the INSTALLATION AND STABILITY  
WARNINGS in the SAFETY SUMMARY of this manual.  
A. To INCREASE depth, rotate the two (2) cane  
clamps so that the locking pins are facing the  
REAR of the wheelchair.  
NOTE: The depth of the Infinity LoBack can be adjusted by  
maneuveringthecaneclampsAND/OR bypivoting thead-  
justment brackets.  
B. To DECREASE depth, rotate the two (2) cane  
clamps so that the locking pins are facing the  
FRONT of the wheelchair.  
Adjusting the Cane Clam ps (Figure 2)  
NOTE: By rotating the locking pins on the cane clamps  
towardthefrontorrearofthewheelchair, numerousdepth  
positions can be achieved.  
1. RemovetheInfinityLoBackfromthewheelchair.Refer  
to INSTALLING/REMOVING THE INFINITY  
LOBACK in PROCEDURE 3 of this manual,  
2. Hold the Infinity LoBack up to the wheelchair.  
6. Torque the two (2) mounting screws on the two (2)  
cane clamps to 45-50 in./lbs.  
3. Visually inspect the Infinity LoBack and the wheel-  
chair to determine the desired depth.  
11  
 
PROCEDURE 4  
ADJUSTING THE INFINITY LOBACK  
7. ReinstalltheInfinityLoBackontothewheelchair. Refer  
to INSTALLING/REMOVING THE INFINITY  
LOBACK in PROCEDURE 3 of this manual.  
NOTE: When loosening the mounting screws/nuts, it is  
necessary to firmly hold the nuts in place while turning  
the mounting screws.  
A
D
J
U
S
T
I
5. Perform one (1) of the following to achieve the de-  
sired depth:  
Locking Pin  
N
G
A. To INCREASE depth, pivot the two (2) adjust-  
ment brackets so that the mounting screws and  
nuts are facing the REAR of the chair.  
Mounting  
Screws  
Cane Clamps  
T
H
E
B. To DECREASE depth, pivot the two (2) adjust-  
ment brackets so that the mounting screws and  
nuts are facing the FRONT of the chair.  
L
O
B
A
C
K
FRONT  
6. Torque the two (2) mounting screws and nuts to 45-  
50 in./lbs (DETAIL “B”).  
Rotate  
Rotate  
7. ReinstalltheInfinityLoBackontothewheelchair. Refer  
to INSTALLING/REMOVING THE INFINITY  
LOBACK in PROCEDURE 3 of this manual.  
Cane  
Clamps  
Cane  
Clamps  
Toward  
Toward  
Rear to  
Front to  
Mounting  
Screw  
INCREASE  
FRONT  
Adjustment  
DECREASE  
Depth  
Depth  
Bracket  
Should be  
Angled  
REAR  
Toward  
Front to  
DECREASE  
TOP VIEW  
REAR  
REAR  
To  
Depth  
Cane Clamp  
INCREASE  
Depth  
Adjustment Bracket  
Should be  
Angled Toward  
Rear to INCREASE  
Adjustment  
Bracket  
Depth  
Nut  
Locking  
Pin  
TOP VIEW  
To  
To  
REAR  
DECREASE  
Depth  
INCREASE  
Depth  
FRONT  
Adjustment  
Bracket  
FIGURE 2 - ADJUSTING THE CANE CLAMPS  
Pivoting The Adjustm ent Brackets (Figure 3)  
1. RemovetheInfinityLoBackfromthewheelchair.Refer  
to INSTALLING/REMOVING THE INFINITY  
LOBACK in PROCEDURE 3 of this manual,  
Mounting Screw  
2. Hold the Infinity LoBack up to the wheelchair.  
3. Visually inspect the Infinity LoBack and the wheel-  
chair to determine the desired depth.  
To  
DECREASE  
Depth  
4. Loosen the two (2) mounting screws and nuts on the  
two (2) adjustment brackets.  
FRONT  
FIGURE 3 - PIVOTING THE ADJUSTMENT  
BRACKETS  
12  
 
ADJUSTING THE INFINITY LOBACK  
PROCEDURE 4  
B. To DECREASE the angle of the Infinity LoBack,  
grasp the TOP of the Infinity Loback and push  
FORWARD.  
ADJ USTING THE ANGLE (FIGURE 4)  
A
D
J
U
S
T
I
NOTE: Refer to the INSTALLATION AND STABILITY  
WARNINGS in the SAFETY SUMMARY of this manual.  
4. Torque the two (2) nuts on the two (2) angle brackets  
to 45-50 in./lbs.  
1. Remove the back cushion from the back panel. Re-  
fer to INSTALLING/REMOVING THE BACK CUSH- 5. Reinstall the back cushion onto the back panel. Re-  
N
G
ION in PROCEDURE 2 of the manual.  
fer to INSTALLING/REMOVING THE BACK CUSH-  
ION in PROCEDURE 2 of the manual.  
2. Loosen the two (2) mounting screws on the two (2)  
angle brackets.  
T
H
E
3. While standing behind the wheelchair, perform one  
(1) of the following:  
ADJ USTING THE LATERAL  
SUPPORTS  
L
O
B
A
C
K
A. ToINCREASEtheangleoftheInfinityLoBack,grasp  
the TOP of the Infinity LoBack and pull BACK.  
NOTE: Refer to the INSTALLATION AND STABILITY  
WARNINGS in the SAFETY SUMMARYof this manual.  
NOTE: Modesty flap and fixed flap not shown for clarity.  
Adjusting the Width (Figure 5)  
TO INCREASE  
ANGLE:  
Grasp Here  
and Pull  
TO DE-  
CREASE  
ANGLE:  
Grasp Here  
and Push  
FORWARD  
1. Remove the back cushion from the back panel. Re-  
fer to INSTALLING/REMOVING THE BACK CUSH-  
ION in PROCEDURE 2 of the manual.  
BACK  
2. Loosen, but DO NOT remove the two (2) mounting  
screws that secure the lateral support to the back  
panel.  
3. Position the user in the wheelchair.  
4. Slide one (1) lateral support to the desired location.  
5. Torque the two (2) mounting screws that secure the  
lateral support to the back panel to 45-50 in./lbs.  
6. Repeat STEPS 1-4 for the remaining lateral support.  
7. Reinstall the back cushion onto the back panel. Re-  
fer to INSTALLING/REMOVING THE BACK CUSH-  
ION in PROCEDURE 2 of the manual.  
Back Panel  
Angle Bracket  
Slide Lateral  
Support to the  
Desired Location  
Mounting  
Screw  
SIDE VIEW  
Lateral  
Support  
TO DE-  
CREASE  
ANGLE:  
Grasp Here  
and Push  
FORWARD  
TO INCREASE  
ANGLE:  
Grasp Here  
and Pull  
BACK  
Mounting  
Screws  
NOTE: Modesty flap and fixed flap not shown for clarity.  
FIGURE 4 - ADJUSTING THE ANGLE  
FIGURE 5 - ADJUSTING THE WIDTH  
13  
 
PROCEDURE 4  
ADJUSTING THE INFINITY LOBACK  
Adjusting the Height (Figure 6)  
DETAIL “A”  
A
D
J
U
S
T
I
Lateral  
Support  
NOTE: The lateral supports can be adjusted to three (3)  
different height positions (DETAIL “A”).  
Upper  
Mounting  
Holes  
1. Remove the back cushion from the back panel. Re-  
fer to INSTALLING/REMOVING THE BACK CUSH-  
ION in PROCEDURE 2 of the manual.  
N
G
Middle  
Mounting  
Holes  
2. Remove the two (2) mounting screws securing the  
lateral support to the back panel.  
T
H
E
3. Position the lateral support in the upper, middle or  
lower position, aligning the mounting holes of the lat-  
eral support with the toothed adjustment slot in the  
back panel (DETAIL “A”).  
Lower  
Mounting  
Holes  
L
O
B
A
C
K
NOTE: The grooves next to the mounting holes in the  
lateral supports are provided to ensure that opposite lat-  
eral supports are installed using the SAME mounting  
holes. To ensure that this occurs, install one (1) lateral  
support at the desired height position and look through  
the toothed adjustment slot to see which mounting holes  
have been used. Then, install the opposite lateral sup-  
port using the SAME mounting holes.  
Toothed  
Adjustment  
Slot  
Lateral  
Support  
4. Install the two (2) mounting screws to secure the sup-  
ports to the back panel.  
Grooves  
5. Repeat STEPS 1-3 for the remaining lateral support.  
6. Torque the two (2) mounting screws that secure the  
lateral support to the back panel to 45-50 in./lbs.  
7. Adjust the width of the lateral supports. Refer to AD-  
JUSTINGTHEWIDTHinthisprocedureofthemanual.  
Mounting  
Screws  
8. Reinstall the back cushion onto the back panel. Re-  
fer to INSTALLING/REMOVING THE BACK CUSH-  
ION in PROCEDURE 2 of the manual.  
Back Panel  
NOTE: Modesty flap and fixed flap not shown for clarity.  
FIGURE 6 - ADJUSTING THE HEIGHT  
14  
 
MAINTENANCE  
PROCEDURE 5  
INSPECTION  
This Procedure includes the following:  
Installing/Remove Back Cushion Foam  
Inspection  
M
A
I
WARNING  
INITIALLY AND ONCE A WEEK, visua lly inspe c t  
a ll pa rts, inc luding ha rdwa re , upholste ry ma -  
te ria ls, foa ms (if a c c e ssible ), a nd pla stic s for  
de forma tion, c orrosion, bre a ka ge , we a r a nd/  
or c ompre ssion.  
Cleaning  
N
T
E
N
A
N
C
E
REPLACING THE BACK CUSHION  
FOAM (FIGURE 1)  
Che c k ALL fa ste ne rs we e kly to e nsure tha t me -  
c ha nic a l c onne c tions a re se c ure .  
NOTE: Refer to the INSTALLATION AND STABILITY  
WARNINGS in the SAFETY SUMMARY of this manual.  
DO NOT c ontinue to use this produc t if a ny of  
the c onditions de sc ribe d a bove a re disc ov-  
e re d.  
1. Removethebackcushionfromthebackpanels. Refer  
to INSTALLING/REMOVING THE BACK CUSH-  
IONS in PROCEDURE 2 of this manual.  
NOTE: Corrective maintenance can be performed at or  
arranged through your equipment supplier.  
2. Position the back cushion on a flat surface with the  
zipper facing UPWARDS.  
WARNING  
Skin condition should be checked very frequently  
a fte r the insta lla tion a nd use of a ny ne w se a t-  
ing syste m.  
3. Unzip the zipper.  
4. Grasp the EXISTING cushion foam and remove it  
from the back cover.  
5. AligntheNEWcushionfoamwiththeholeintheback  
cover.  
CLEANING  
Cover  
NOTE: Make sure the plastic insert on the NEW cushion  
foam is facing the REAR of the back cover and that the  
fingers on the plastic insert face the TOP of the back  
cover.  
1. Machinewashthebackcoversincoldwaterongentle  
cycle using a mild detergent ONCE A WEEK.  
WARNING  
6. PositiontheNEWcushionfoaminsidethebackcover.  
7. Position the zipper inside the pouch.  
Whe n wa shing the ba c k c ove rs - DO NOT use  
fa bric softe ne rs or ble a c h. DO NOT ma c hine  
dry. Air dry ONLY. DO NOT dry in sun.  
8. Reinstall the back cushion onto the back panels. Re-  
fer to INSTALLING/REMOVING THE BACK CUSH-  
IONS in PROCEDURE 2 of this manual.  
Fa ilure to follow the wa shing instruc tions CAN  
re d uc e the fla m e re ta rd e nc y o f the b a c k  
c ove r.  
Back Cover  
Foam  
Care should be taken to prevent the back cushion foam  
from getting wet. If the back cushion foam begins to dete-  
riorate from prolonged contact with moisture, it should be  
replaced immediately.  
Rear of Cushion  
Zipper  
Fingers  
Cushion  
Foam  
Plastic  
Insert  
FIGURE 4 - REPLACING THE BACK  
CUSHION FOAM  
15  
 
LIMITED WARRANTY  
PLEASE NOTE: THE WARRANTY BELOW HAS BEEN DRAFTED TO COMPLY WITH FEDERAL LAW APPLI-  
CABLE TO PRODUCTS MANUFACTURED AFTER JULY 4, 1975.  
This wa rra nty is e xte nde d only to the origina l purc ha se r/ use r of our produc ts.  
This wa rra nty give s you spe c ific le ga l rights a nd you ma y a lso ha ve othe r le ga l rights whic h va ry  
from sta te to sta te .  
Inva c a re wa rra nts its produc ts to be fre e from de fe c ts in ma te ria ls a nd workma nship for use by  
the origina l purc ha se r for a pe riod of two (2) ye a rs from the da te of purc ha se on the ba c k a nd  
nine ty (90) da ys from the da te of purc ha se on the c ove r. If within suc h wa rra nty pe riod a ny suc h  
produc t sha ll be prove n to be de fe c tive , suc h produc t sha ll be re pa ire d or re pla c e d, a t Inva c a re 's  
option. This wa rra nty doe s not inc lude a ny la bor or shipping c ha rge s inc urre d in re pla c e me nt  
pa rt insta lla tion or re pa ir of a ny suc h produc t. Inva c a re 's sole obliga tion a nd your e xc lusive re m-  
e dy unde r this wa rra nty sha ll be limite d to suc h re pa ir a nd/ or re pla c e me nt.  
For wa rra nty se rvic e , ple a se c onta c t the de a le r from whom you purc ha se d your Inva c a re prod-  
uc t. In the e ve nt you do not re c e ive sa tisfa c tory wa rra nty se rvic e , ple a se write dire c tly to Inva c -  
a re a t the a ddre ss a t the bottom of this pa ge . Provide de a le r’s na me , a ddre ss, da te of purc ha se ,  
indic a te na ture of the de fe c t a nd, if the produc t is se ria lize d, indic a te the se ria l numbe r. Do not  
re turn produc ts to our fa c tory without our prior c onse nt.  
LIMITATIONS AND EXCLUSIONS: THE FOREGOING WARRANTY SHALL NOT APPLY TO SERIAL NUM-  
BERED PRODUCTS IF THE SERIAL NUMBER HAS BEEN REMOVED OR DEFACED, PRODUCTS SUBJECTED  
TO NEGLIGENCE, ACCIDENT, IMPROPER OPERATION, MAINTENANCE OR STORAGE, COMMERCIAL  
OR INSTITUTIONAL USE, PRODUCTS MODIFIED WITHOUT INVACARE'S EXPRESS WRITTEN CONSENT  
INCLUDING, BUT NOT LIMITED TO, MODIFICATION THROUGH THE USE OF UNAUTHORIZED PARTS OR  
ATTACHMENTS; PRODUCTS DAMAGED BY REASON OF REPAIRS MADE TO ANY COMPONENT WITH-  
OUT THE SPECIFIC CONSENT OF INVACARE, OR TO A PRODUCT DAMAGED BY CIRCUMSTANCES  
BEYOND INVACARE'S CONTROL, AND SUCH EVALUATION WILL BE SOLELY DETERMINED BY INVAC-  
ARE. THE WARRANTY SHALL NOT APPLY TO PROBLEMS ARISING FROM NORMAL WEAR OR FAILURE  
TO ADHERE TO THESE INSTRUCTIONS.  
THE FOREGOING WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER EXPRESS WARRANTIES. IM-  
PLIED WARRANTIES, IF ANY, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT-  
NESS FOR A PARTICULAR PURPOSE, SHALL NOT EXTEND BEYOND THE DURATION OF THE EXPRESSED  
WARRANTY PROVIDED HEREIN AND THE REMEDY FOR VIOLATIONS OF ANY IMPLIED WARRANTY  
SHALL BE LIMITED TO REPAIR OR REPLACEMENT OF THE DEFECTIVE PRODUCT PURSUANT TO THE  
TERMS CONTAINED HEREIN. INVACARE SHALL NOT BE LIABLE FOR ANY CONSEQUENTIAL OR INCI-  
DENTAL DAMAGES WHATSOEVER.  
THIS WARRANTY SHALL BE EXTENDED TO COMPLY WITH STATE/ PROVINCIAL LAWS AND REQUIRE-  
MENTS.  
Invacare Corporation  
USA  
Canada  
One InvacareWay  
Elyria,Ohio USA  
44036-2125  
800-333-6900  
5970 ChedworthWay  
Mississauga, Ontario  
L5R 3T9, Canada  
905-890-8838  
Invacare is a registered trademark of Invacare Corporation.  
©
1999 Invacare Corporation  
Form No.99-221 Part No.1095174 RevA (1) 02/00  
 

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