Invacare Pronto M91 Service Manual

SECTION 4—SEAT
Pronto
®
M91™and M94™ 50 Part No. 1125038
Adjustable ASBA Seat Service Procedures
Removing/Installing the Seat Pan
NOTE:Forthisprocedure,refertoFIGURE 4.11.
Removing
1. Removetheseatcushion.
2. Removethetwosocketscrewssecuring
theseatpantotheseatframe.
3. Removetheseatpanfromtheseat
frame.
Installing
1. Positionthenewseatpanontotheseat
frameasshown.
2. Securethenewseatpantotheseat
frameusingthetwosocketscrews.
3. Installtheseatcushion.
FIGURE 4.11 Removing/Installing the Seat Pan
Adjusting the Seat Width
NOTE:Forthisprocedure,refertoFIGURE 4.12onpage 52.
NOTE:Ifadjustingtheseatwidthbeyondtherangeoftheexistingseatframe,thecrossbarsmust
bereplaced.
NOTE:ThespreaderbarMUSTbereplacedforsystemsorderedomitupholsteryoptionwhen
changingbetweenthesmallframesizeandthelargeframesize.
1. Ifnecessary,removethespreaderbar.RefertoRemoving/InstallingtheSpreaderBar

onpage 58.
2. Removethehexscrewandcovedwasherssecuringeachcrossbartotheseatframe.
3. ExaminetheSeatWidthAdjustmentTable
todetermineiftheseatwidthadjustment
iswithinorbeyondtherangeoftheexistingseatframe.
4. Performoneofthefollowing:
•WithintheRange‐ProceedtoSTEP 5.
•BeyondtheRange‐Performthefollowingsteps(Detail“A”):
Seat Pan
Seat
Frame
Socket
Screws
Seat Width Adjustment Table
FRAME SIZE SEAT WIDTH RANGE
SMALL 16 - 20 inches in 1-inch increments
LARGE 20 - 24 inches in 1-inch increments

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"