Invacare Pronto M91 Service Manual

SECTION 9—SHROUDS/FRAME
Part No. 1125038 91 Pronto
®
M91™and M94™
Removing/Installing the Pivot Tube
NOTE:Forthisprocedure,refertoFIGURE 9.2.
NOTE:Reversethisproceduretoreassemblethesideframe.
1. Removethedrivewheel.RefertoRemoving/InstallingtheDriveWheelonpage 84.
2. Removethesideshroudandshroudplate.RefertoRemoving/InstallingtheShrouds
onpage 88.
3. Removethefrontheadtubeassembly.RefertoRemoving/InstallingtheFront
HeadtubeAssemblyonpage 83.
4. Removethelocknutandspacersecuringthepivottubetothemountingpin.
NOTE:Twonylonbushingsarelocatedineachendofthepivottube.
5. Removethepivottubefromthelowermountingpin.
FIGURE 9.2 Removing/Installing the Pivot Tube
Removing/Installing the Walking Beam and/or SureStep
Springs
 WARNING
Replacement of the walking beam and or the SureStep spring MUST be performed
by Invacare service personnel ONLY - otherwise injury or damage may result.
Locknuts
Mounting Pin
Pivot Tube
Nylon Bushings
Side Frame
Spacer

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"