SECTION 6—WHEELS
Part No 1118377 61 Pronto® M71™
Adjusting Caster Assembly
NOTE: For this procedure, refer to FIGURE6.2.
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.
FIGURE 6.2 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