Invacare Pronto M91 Service Manual

SECTION 4—SEAT
Part No. 1125038 45 Pronto
®
M91™and M94™
Replacing the Seat Positioning Strap
NOTE:Forthisprocedure,refertoFIGURE 4.8.
1. Removetheseatcushionfromtheseatpan.
2. Removetheflipbackarmrests.RefertoRemoving/InstallingFlipBackArmreston
page 69.
3. Removethetwomountingscrews,
quickreleasepintabs,spacersand
locknutsthatsecuretheseatpanand
seatpositioningstrapstotheseat
frame.
4. Removethetwohalvesoftheseat
positioningstrapfromtherearseat
frame.
5. Repositionthetwonewseat
positioningstraphalvesunderneath
seatrails.
6. Reinstallthetwomountingscrews,
quickreleasepintabs,spacersand
locknutsthatsecuretheseatpanand
seatpositioningstrapstotheseatframe
andtorqueto75inch‐lbs.
7. Reinstalltheseatcushionontotheseat
pan.
FIGURE 4.8 Replacing the Seat Positioning
Strap
Removing/Installing the Back Upholstery
NOTE:Thebackcanesmustberemovedwhenremoving/installingthebackupholstery.Referto
Removing/Installing/ChangingtheBackCaneHeight
.
Removing/Installing/Changing the Back Cane Height
NOTE:Forthisprocedure,refertoFIGURE 4.9onpage 48.
NOTE:Ifchangingthebackheight,newbackupholsterymaybeneededaswell.Refertothe
followingcharttodetermineifnewbackupholsteryisneeded:
NOTE:Existinghardwareandinsertswillbereused.
NOTE:Takenoteofpositionandorientationof
mountinghardwareforreinstallation.
Seat Pan
Seat Frame
Seat
Positioning
Strap
Locknut
Quick Release Pin
Mounting Screws
Tab
NOTE BACK UPHOLSTERY
HEIGHT
If back height required is within the range of the original back upholstery
height, only new back canes will be needed.
If the back height required is NOT within the range of the original back uphol-
stery height, new back upholstery, and back canes will be required
16 to 17 inches
18 to 19 Inches
20 inches

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"