Invacare TDX SP - Manual (Page 52)

SECTION 9—FORKS
TDX™ SP 52 Part No 1143190
SECTION 9—FORKS
ƽ WARNING
After ANY adjustments, repair or service and before use, make sure that all
attaching hardware is tightened securely - otherwise injury or damage may result.
CAUTION
As with any vehicle, the wheels and tires should be checked periodically for cracks
and wear, and should be replaced.
Adjusting Forks
NOTE: For this procedure, refer to FIGURE 9.1.
1. Remove the retaining screw that secures the headtube cover in place.
2. Remove the headtube cover (not shown) from the caster headtube.
3. 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
(wheels should swing once to one‐
side, then immediately rest in a
straight downward position).
D. Adjust locknuts according to
freedom of caster swing.
FIGURE 9.1 Adjusting Forks
4. Test wheelchair for maneuverability.
5. Readjust locknuts if necessary, and repeat STEPS 1‐3 until correct.
6. Snap headtube cover into the caster headtube.
7. Reinstall retaining screws.
Locknut
Fork
Retaining Screw
Caster Headtube
Headtube Cover