Invacare Pronto M91 Service Manual

SECTION 4—SEAT
Part No. 1125038 57 Pronto
®
M91™and M94™
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.
Removing/Installing the Back Canes
NOTE:Forthisprocedure,refertoFIGURE 4.16onpage 58.
NOTE:Existinghardwarewillbereused.
NOTE:Takenoteofpositionandorientationofmountinghardwareforreinstallation.
Removing
1. Removearmrestfromthewheelchair.RefertoRemoving/InstallingFlipBackArmrest
onpage 69.
2. Forproperinstallation,notethemountingpositionoftheupperhexscrewsecuring
thecanebrackettothebackcane.
3. Removetheupperhexscrew,washerandlocknutsecuringthecanebrackettothe
backcane.
4. Removethelowerhexscrew,washerandlocknutsecuringthecanebrackettotheback
cane.
5. Removethebackcanefromthewheelchair.
6. RepeatSTEPS2‐6fortheoppositebackcane.
Installing
NOTE:Ifreplacingbackcanes,discardexisting backcanesandperformthisprocedureusingnew
backcanes.
1. Installthelowerhexscrew,washerandlocknutthroughtheslotinthecanebracketto
secure
thecanebrackettothebackcane.
NOTE:ThecanebracketshouldbepositionedasshowninFIGURE 4.16.
2. Installtheupperhexscrew,washerandlocknutthroughoneofthefollowing:
•UsingtheSameBackAngle‐themountingholenotedinSTEP3ofRemoving
on
page 57.
• ChangingtheBackAngle‐themountingholedeterminedinAdjustingtheBack
Angleonpage 56.
3. Torquebothlocknutsto13ft‐lbs.
4. RepeatSTEPS1‐3fortheoppositebackcane.
5. Reinstalltheflipbackarmrestontothewheelchair.RefertoRemoving/InstallingFlip
BackArmrestonpage 69.

Invacare Pronto M91 Specifications

Power and Performance

maximum speed	6.5 mph / 4.5 mph
incline capability	9˚
weight capacity	300 lb. (400 lb. option)

Wheel and Caster Sizes

front casters	6" x 2"
drive wheels	14" x 3"
rear casters	6" x 2"

Weight and Dimensions

length with footboard up	39"
length with footboard down	40" - 42"
width excluding joystick	25.9"
height	37" - 48"
seat width	18" - 22"
seat depth	16" - 20"
overall height	37" - 40"
back height	18"
seat-to-floor height	21" - 23"
weight with batteries	273 lb.
weight without batteries	199 lb.
wheelchair mass	275 lb.
turning radius front	19.5"
turning radius rear	21.5"
ground clearance	3.25"