SECTION 10—TOP SHROUD AND WHEELS
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 2‐3 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.
Tabs |
| |
| Dust Cover | |
Side Shroud | Locknut | |
Washer | ||
| ||
| Caster | |
Base Frame | Headtube |
Fork
Washer
FIGURE 10.4 Adjusting Forks
Part No 1125085 | 59 | Pronto® M51™and M61™with SureStep® |