Invacare Pronto M91 Service Manual

SECTION 4—SEAT
Part No. 1125038 47 Pronto
®
M91™and M94™
5. Positionbackassemblybetweenthebackangleplates(FIGURE 4.9).
6. Ononesideofwheelchair,alignbackcanemountingholeswiththedesiredmounting
holesofthebackangleplate.
7. RemovethetwomountingscrewsusedtokeepinsertsinthebackcanesinSTEP3.Set
mountingscrewsandinsertsaside.
 WARNING
The back canes MUST be fastened securely to the seat frame BEFORE using the
wheelchair. Torque to 75-inch-lbs.
8. Fromoutsideofwheelchair,securethebackcanetothebackangleplateusingtwo
mountingscrews,washers,covedwashersandlocknuts(FIGURE 4.9).UseLoctite242
andtorqueto75‐inch‐lbs.
9. RepeatSTEPS6‐8onoppositesideofwheelchair.
10. Securethetopofthebackupholsterytothebackcaneswiththetwoexistingmounting
screws.
11. Usingtwonewtie‐wraps,securebottomofbackupholsterytotheseatframe.
12. Ifnecessary,repositionthespreaderbaratthecorrectheightforthecorresponding
backheightandtorquethemountinghardwareto60‐inch‐lbs(FIGURE 4.9).
13. Ifpresent,securebackupholsteryhookandloopstrapsaroundbackcanes.
14. 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"