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Front Casters
25
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FRONT CASTERS
WARNING
After ANY adjustments, repair or service and BEFORE use, make sure all attaching
hardware is tightened securely – otherwise injury or damage may result.
A. INSTALLING/REPLACING FRONT CASTERS AND FORKS (FIGURE 1)
1. Remove the caster (A) from the fork (B). Refer to REPLACING FRONT CASTERS in this
section of the manual.
2. Remove the dust cover (C).
3. Remove the locknut (D) and nylon washer (E) that secure the fork to the caster head
tube (F).
4. Drop the fork out of the caster head tube.
5. Slide the new fork into the caster head tube and reassemble by reversing STEPS 1-4.
6. Adjust the forks. Refer to ADJUSTING FORKS in this section of the manual.
7. Repeat STEPS 1-6 for opposite fork, if necessary.
B. ADJUSTING FORKS (FIGURE 1)
1. Remove the dust cover (C).
2. To properly tighten caster journal system and guard against flutter, perform the fol-
lowing check:
a. Tip back the 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 (D) according to freedom of caster swing.
3. Test wheelchair for maneuverability.
4. Readjust locknuts if necessary, and repeat STEPS 2-3 until correct.
5. Snap dust cover over the locknut and stem.
C. REPLACING/REPAIRING FRONT CASTER TIRE/TUBE (FIGURE 2)
WARNING
Replacement of the front caster tire or tube MUST be performed by a qualified
technician.
CAUTION–
As with any vehicle, the wheels and tires should be checked periodically for cracks and
wear, and should be replaced.
1. Remove the hex screw (F), washers (G) and locknut (H) that secure the front caster
tire (A) to the fork (B).
NOTE– Washers are used on HEAVY DUTY/EXTRA WIDE wheelchairs only.
2. Install the new front caster tire onto the wheelchair by reversing STEP 1.
3. Repeat STEPS 1-2 for the opposite front caster tire if necessary.
1
B
A
E
F
C
D
2
A
H
G
G
A
B
F