Part No. 1110545 51 A4™AND A4™TITANIUM
ADJUSTING CASTER HEIGHT (FIGURE 10)
1. Place the wheelchair on a flat surface.
2. Remove the headtube cap.
3. Remove the locknut that secures the fork to the wheelchair frame.
4. Perform one (1) of the following:
A. INSTALLING WASHERS/SPACERS - Perform the following:
1. Remove washer/spacer from fork stem.
2. Remove fork stem from caster headtube.
3. Install the washer/spacer onto the fork stem.
4. Install the fork stem through the headtube.
5. Loosely secure the fork stem with the locknut.
B. REMOVING WASHERS/SPACERS - Perform the following:
1. Remove fork stem from caster headtube.
2. Remove the washer/spacer from the fork stem.
3. Install the fork stem through the headtube.
4. Install the washer/spacer onto the fork stem.
5. Loosely secure the fork stem with the locknut.
C. NO SPACER ADJUSTMENT NECESSARY - Proceed to STEP 5.
5. Position a large right triangle or "L" square on the flat surface and against the caster
headtube that is welded to the wheelchair frame.
6. Adjust the height of the casters by either adding or removing washers/spacers on
top of the fork stem until the wheelchair frame is parallel with the floor.
7. Reinstall the locknut and head tube cap onto the wheelchair.
8. Repeat this procedure for the opposite front caster.
Caster
Housing
"L" Square
Locknut
Washers (SHOWN)
or Spacers (NOT SHOWN)
FIGURE 10 - ADJUSTING CASTER HEIGHT
Fork Stem
WHEELS SECTION 5
NOTE: Headtube cap
not shown for clarity.
WHEELS
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