9 FRONT CASTERS
Invacare
®
Tracer™ EX2 Wheelchair 50 Part No 1110546
9.2 Adjusting Forks
1. To properly tighten caster journal system and guard against flutter, perform the following check:
A. Tip back of wheelchair to 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.
E. Repeat STEPS C-D until wheels swing once to one-side, then IMMEDIATELY rest in a downward position.
2. Test wheelchair for maneuverability.
3. Readjust locknuts if necessary, and repeat STEPS 1-2 until correct.
4. Snap dust cover over the locknut and stem.
9.3 Replacing Front Casters
1. Remove the hex screw, washers and locknut that secure the front
caster to the fork.
2. To reinstall the new front caster onto the fork, reverse step 1.
FIGURE2 Replacing Front Casters
WARNING
Make sure both front casters are the same size and are
installed into the same respective mounting hole before
using the wheelchair, otherwise injury may occur.
Note the mounting position on the fork assembly for
proper reinstallation of the new front caster.
Washers are only used with 8 inch casters with
precision bearings.
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