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SECTION 8—FRONT CASTERS
9000 Topaz™Wheelchair 38 Part No. 1100869
SECTION 8—FRONT CASTERS
ƽ WARNING
After any adjustments, repair or service and before use, make sure all attaching
hardware is tightened securely. Otherwise injury or damage may occur.
Installing/Replacing Six or Eight-inch Front Casters and
Forks
ƽ WARNING
If converting from six-inch caster to an eight-inch caster or vice versa, there are
seat-to-floor height adjustments that must be made. Therefore, this procedure
MUST be performed by a qualified technician.
NOTE: For this procedure, refer to FIGURE 8.1.
NOTE: This procedure can be performed if replacing the exact same size front caster.
1. Remove the dust cover.
2. Remove the locknut and washer that secures the fork to the caster headtube.
3. Drop the front caster and fork out of the caster headtube.
4. Slide in the new front caster and fork.
5. Reassemble by reversing STEPS 1-2.
6. Repeat STEPS 1-5 for the opposite front caster.
7. To properly tighten caster journal system and guard against flutter, perform the
following check:
A. Tip back of wheelchair to floor.
B. Simultaneously pivot both forks and casters to the top of their arc.
C. Let casters drop to the bottom of their 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.
8. Test wheelchair for maneuverability.
9. Readjust locknuts if necessary.
10. Repeat STEPS 7-9 until correct.
11. Snap dust cover over the locknut and stem.