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10.4 Adjusting Forks
For this procedure, refer to FIGURE 5.
1.
Remove the dust cover from the caster headtube.
The sector block may need to be removed in
order to remove the dust cover. Refer to
Adjusting Forks on page 89.
2.
To properly tighten caster journal system and guard against flutter,
perform the following 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.
D. Adjust locknuts according to freedom of caster swing.
3.
Repeat STEPS C-D until the wheels swing once to one-side, then
immediately rest in a straight downward position.
4.
Test wheelchair for maneuverability.
5.
Snap dust cover into the caster headtube.
10.5 Removing/Installing the Caster Assemblies
For this procedure, refer to FIGURE 6 on page 90.
If replacing a front caster note the mounting position of the existing front caster for installation of the new front caster.
If repositioning front casters or replacing the existing front caster with a caster of a different size, refer to "Changing the
front seat to floor height" in the service manual to determine the front caster position needed for the required front
seat-to-floor height.
Both front casters MUST be the same size and adjusted to the same height.
Part No 1167417
10 REAR WHEELS/FRONT CASTERS
Dust cover
Locknut
Caster Headtube
FIGURE 5
89
Washer
Fork
Caster
Adjusting Forks
Invacare® MyOn®
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