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Part No. 1110547 33 Tracer® EXI
FRONT CASTERS SECTION 7
FRONT CASTERS
Section 7 - Front Casters includes the following:
Installing/Replacing Fork Assemblies
Adjusting Forks
Replacing Front Casters
Replacing/Repairing Front Caster Tire/Tube
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 FORK ASSEMBLIES (FIGURE 1)
WARNING
If converting from six-inch fork to an eight-inch fork or vice versa, there
are SEAT-TO-FLOOR height adjustments that must be made. A qualified
technician MUST perform these adjustments if this is the case.
Make sure both fork/caster assemblies are the same size BEFORE using
the wheelchair, otherwise injury may occur.
NOTE: This procedure can be performed if replacing the exact same size front caster.
1. Remove the dust cover.
2. Remove the locknut and nylon washer that
secures the fork to the caster headtube.
3. Drop the front caster and fork out of
the caster headtube.
NOTE: If caster replacement is desired, refer to
REPLACING FRONT CASTERS in this section of
the manual.
4. Slide in the new fork assembly.
5. Reassemble by reversing STEPS 1-3.
6. Repeat STEPS 1-5 for the opposite
fork assembly.
7. Adjust the forks. Refer to ADJUSTING FORKS in this section of the manual.
ADJUSTING FORKS (FIGURE 1)
1. To properly tighten caster journal system and guard against flutter, perform the follow-
ing 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.
FIGURE 1 - INSTALLING/
REPLACING FORK ASSEMBLIES
Locknut
Dust Cover
Fork Assembly
Nylon Washer
Caster Headtube