Table of Contents
Advertisement
®
Invacare
Action Vertic
5.7 Adjusting Forks
WARNING
Risk of wobbling casters
Caster angle vertical axis MUST be at 90° +/- 1° from the ground. Both caster assemblies
should be at the same angle.
After ANY adjustments, before use, make sure all attaching hardware is tightened securely
- otherwise injury or damage may occur.
NOTE: For this procedure, refer to FIGURE 5.7.
1.
Remove the dust cover from the caster head tube.
2.
To properly tighten caster journal system and guard against flutter, perform the following
check:
a.
Tip back the wheelchair to floor.
b.
Pivot caster fork assemblies in rear position.
c.
Push caster to initiate clockwise movement.
d.
Let caster fork assembly rotate freely,
if not change the upper specific bearing.
3.
Adjust locknuts to appropriate torque
(15/20 Nm) with a 19 mm socket wrench; do
not over tight the locknut, you may risk to
damage the bearings.
4.
Test wheelchair for manoeuvrability.
5.
Snap dust cover into the caster head tube.
6.
Perform STEPS 1 to 5 on the other side.
20
FIGURE 5.7
Advertisement
Table of Contents
