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INVACARE MX 20 Part No. 1119240
FRONT CASTERSSECTION 7
FRONT CASTERS
Section 7 - Front Casters includes the following:
Adjusting Forks
Replacing Front Casters
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.
F. Return wheelchair to an upright position.
FIGURE 1 - ADJUSTING FORKS
Locknut
Dust Cover
Fork Assembly
Nylon Washer
Caster Headtube
2. Test wheelchair for maneuverability.
3. Readjust locknuts if necessary, and repeat STEPS 1-2 until correct.
4. Snap dust cover over the locknut and stem.
FRONT CASTERS