Invacare 1171880 user manual Caster, Adjusting Fork Tension

12 CASTER

12 Caster

￿ WARNING

After any adjustments, repair or service and before use, make sure all attaching hardware is tightened securely - otherwise injury or damage may occur.

12.1Adjusting Fork Tension

For this procedure, refer to FIGURE 1 on page 81.

1.To properly tighten forks and guard against flutter, perform the following check on both forks:

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).

2.If necessary, perform one of the following to adjust the fork tension:

• Standard Forks - Adjust locknut according to freedom of caster swing (Detail “A”).

a.Tighten locknut to reduce caster swing.

b.Loosen the locknut to increase caster swing.

• One Sided Fork (Detail “B”)

a. No tension adjustment can be performed on this fork.

3.Test wheelchair for maneuverability.

4.If necessary, repeat STEPS 1-2 to adjust locknuts until tension is correct for both forks.

Invacare®Top End Reveal™Wheelchair 80 Part No 1171880