Adjusting Caster Assembly - Invacare Pronto M50 Service Manual

SECTION 9—WHEELS

Adjusting Caster Assembly

NOTE: For this procedure, refer to FIGURE 9.2.
1. Lift up front edge of the dust cover 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 one-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 1-3 until correct.
5. Snap dust cover into the caster headtube ensuring that the tabs are under the plastic
side shrouds.
Side Shroud
Base Frame
Fork
Pronto® Series
Tabs
FIGURE 9.2 Adjusting Caster Assembly
82
Dust Cover
NOTE: Front caster
Locknut
shown. Rear caster
Washer
installs the same
way.
Caster
Headtube
Washer
Part No. 1125075