Invacare Pronto M91 Service Manual

SECTION 4—SEAT
Pronto
®
M91™and M94™ 44 Part No. 1125038
Changing the Seat Width/Depth
NOTE:Theseatframewidthanddeptharenotadjustable.Anewseatframemustbeorderedto
changeseatdepthand/orwidth.RefertoReplacingtheSeatFrameonpage 44.
Replacing the Seat Frame
NOTE:Forthisprocedure,refertoFIGURE 4.7.
1. Removethefrontriggingsfromtheseatframe.RefertoInstalling/RemovingFront
Riggingsonpage 71.
2. Removetheseatfromthewheelchair.RefertoRemoving/InstallingorTiltingtheSeat
Assemblyonpage 35.
3. Removetheseatpan.RefertoRemoving/InstallingtheSeatPanonpage 43.
4. Removethefourmountingscrewsandlocknutssecuringtheseatframetotheseat
frameadapter.
5. Removetheseatframefromtheseatframeadapter.
6. Discardtheexistingseatframe.
7. Alignthefourmountingholesofthenewseatframewiththecorrectmounting
positionontheseatframeadapter(Detail“A”ofFIGURE 4.7).
8. Usingfourexistingmountingscrewsandfournewlocknuts,securetheseatframeto
theseatframeadapter.
9. Installtheseatpan.RefertoRemoving/InstallingtheSeatPanonpage 43.
10. Installtheseatontothewheelchair.RefertoRemoving/InstallingtheSeatAssembly
withoutPow eredSeatingSystemsonpage 35.
FIGURE 4.7 Replacing the Seat Frame
Seat
Frame
Locknuts
Mounting Screws
Mounting Screws
Locknuts
DETAIL “A” - SEAT FRAME MOUNTING
POSITIONS
NOTE:Measurementsgivenaccordingto
seatframedepth.
Seat
Frame
Adapter
16 Inches
17 Inches
18 Inches
19 Inches
20 Inches
21 and 22 Inches
16 Inches
17 Inches
18 Inches
19 Inches
20 Inches
21 and 22 Inches
Rear of Seat Frame
Adapter
Front of Seat Frame
Adapter

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"