Adjusting Forks - Invacare Pronto M91 User Manual

11.13Adjusting Forks

 For this procedure, refer to FIGURE 9.
This procedure must be performed by a qualified
technician.
This procedure applies to both Forks.
1. Remove the dust cover.
2. To properly tighten caster journal system and guard against flutter,
perform the following check:
A. Tip the wheelchair forward, toward the floor.
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 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 the dust cover into the caster headtube ensuring that the tabs
are under the side shroud.
Part No 1143153
Base Frame
Side
Shroud
FIGURE 9
107
11 SETUP/MAINTENANCE
Fork
Adjusting Forks
Invacare® Pronto® M91™
Tabs
Dust
Cover
Locknut
Washer
Caster
Headtube