Invacare Pronto M91 Service Manual

SECTION 8—WHEELS
Pronto
®
M91™and M94™ 82 Part No. 1125038
Adjusting Caster Assembly
NOTE:Forthisprocedure,refertoFIGURE 8.2.
1. Liftfrontedgeofthedustcoverupandremovefromheadtube.
2. Toproperlytightencasterassemblyandguardagainstflutter,performthefollowing
check:
NOTE:TwopeoplearerecommendedtoperformthisSTEP‐onetotipwheelchairbackandoneto
inspect/adjustthecasterassembly.
A. Tipbackthewheelchair.
B. Pivotbothcasterassembliestotopoftheirarcsimultaneously.
C. Letcastersdroptobottomofarc(castersshouldswingoncetoon‐side,then
immediatelyrestinastraightdownwardposition).
D. Adjustlocknutsaccordingtofreedomofcasterswing.
3. Testwheelchairformaneuverability.
4. Readjustlocknutsifnecessary,andrepeatSTEPS2‐3untilcorrect.
5. Snapdustcoverintothecasterheadtube,ensuringthatthetabsareundertheplastic
sideshrouds.
FIGURE 8.2 Adjusting Caster Assembly
Locknut
Fork
Dust Cover (Front Edge)
Tabs
Washer
NOTE:Components
explodedforclarity.There
isnoneedtoremovethe
forkfromthebaseframe.
Head Tube
Washer

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"