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Part No. 1110545 47 A-4
3. Remove existing caster and axle spacers
from fork.
4. Install the new caster, bolt, locknut and axle
spacers onto the fork and securely tighten.
5. Repeat STEPS 1-2 for the opposite caster if
necessary.
NOTE: If replacing casters with a different size than
what was originally on the wheelchair , the caster height
MUST be adjusted to keep the wheelchair frame
parallel to the floor. Refer to
ADJUSTING CASTER
HEIGHT in this section of the manual. If changing
caster position, seat-to-floor height adjustment may
need to be made. Refer to
ADJUSTING FRONT SEAT-
TO-FLOOR HEIGHT in this section of the manual.
REPLACING FORKS (FIGURE 9)
1. Remove front casters from wheelchair. Refer to REPLACING CASTERS in this section of the
manual.
2. Remove the headtube cap.
3. Remove the locknut and washer(s)/spacer(s).
*NOTE: There may be up to four (4) washers/spacers
on the fork stem above and/or below the headtube.
Note the number and position of these washers for
reinstallation.
4. Drop the fork out of the caster headtube.
5. Slide the new fork into the caster headtube.
NOTE: Check bearing assemblies and replace if
necessary.
6. Ensure that fork slides completely into caster
headtube.
7. Install washer(s)/spacer(s) and secure with
locknut.
WARNING
Improper positioning of the washer will prohibit the free movement of the fork.
8. Reinstall existing/install new front casters onto the wheelchair. Refer to REPLACING CASTERS
in this section of the manual.
9. To properly tighten caster journal system and guard against flutter, perform the following check:
A. Tip front of wheelchair off floor.
B. Pivot 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. Test wheelchair for maneuverability.
SECTION 5
WHEELS
WHEELS
Locknut
*Nylon
Washer(s)
FIGURE 9 - REPLACING FRONT
FORKS
Head Tube
Cap
Caster
Head tube
Fork
FIGURE 8 - REPLACING CASTERS
Locknut
Fork
Bolt
Axle
Spacer
Caster
Axle
Spacer
NOTE: Only short fork style shown for clarity.
*Spacer