Invacare Pronto M91 Service Manual

SECTION 8—WHEELS
Part No. 1125038 81 Pronto
®
M91™and M94™
SECTION 8—WHEELS
 WARNING
After ANY adjustments, repair or service and BEFORE use, make sure all attaching
hardware is tightened securely - otherwise injury or damage may result.
Before performing any maintenance, adjustment or service verify that ON/OFF
switch on the joystick is in the OFF position.
Replacing the Front/Rear Casters
NOTE:Forthisprocedure,refertoFIGURE 8.1.
NOTE:Frontandrearcastersarereplacedinthesamemanner.
NOTE:Whenreplacingthefront/rearcasterassemblies,itisnecessarytobracethecaster
assembliestopreventthewheelfromspinning.
1. Removethemountingscrew,twowashersandlocknutthatsecurethecastertothe
fork.
2. Removethecasteranddiscard.
3. Securenewcastertoforkwithexistingmountingscrew,twowashersandlocknut.
Securelytighten.
FIGURE 8.1 Replacing the Front/Rear Casters
Mounting Screw
Locknut
Washer
Washer
Caster
Fork

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"