Invacare FDX User Manual
8 SETUP/MAINTENANCE
87
8.9
Adjusting Forks
1.
Remove the mounting screw securing the suspension arm shroud
to the suspension arm.
2.
Remove the suspension arm shroud from the suspension arm and
caster headtube.
3.
To properly tighten caster journal system and guard against flutter,
perform the following check:
A. Tip the wheelchair forward, toward the floor.
B.
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.
4.
Test wheelchair for maneuverability.
5.
Readjust locknuts if necessary, and repeat STEPS 1-3 until correct.
6.
Reverse STEPS 1 and 2 to reinstall the suspension arm shroud.
FIGURE 6 Adjusting Forks
For this procedure, refer to FIGURE 6.
This procedure must be performed by a qualified technician.
This procedure applies to both Forks.
This procedure must be performed by a qualified technician.
This procedure applies to both Forks.
Locknut
Fork
Caster
Headtube
Suspension Arm
Shroud
Suspension Arm
Mounting Screw