SECTION 10—TOP SHROUD AND WHEELS
Part No. 1125085 63 Pronto
®
M50
™
, M51
™
and M61
™
with SureStep
™
Adjusting Forks
NOTE: For this procedure, refer to FIGURE 10.4.
1. Remove the dust cover.
2. To properly tighten caster journal system and guard against flutter, perform the
following check:
A. Tip back the wheelchair.
B. Pivot both forks and casters to top of their arc simultaneously.
C. Let casters drop to bottom of arc (wheels should swing once to one-side, then
immediately rest in a straight downward position).
D. Adjust locknut according to freedom of caster swing.
3. Test wheelchair for maneuverability.
4. Readjust locknut 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.
NOTE: Components exploded for clarity. There is no need to remove the fork from the base frame.
FIGURE 10.4 Adjusting Forks
Base Frame
Tabs
Locknut
Dust Cover
Washer
Caster
Headtube
Fork
Side Shroud
Washer
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