FRONT CASTERS

SECTION 7

 

 

 

Section 7 - Front Casters includes the following:

Installing/Replacing Fork Assemblies

Adjusting Forks

Replacing Front Casters

Replacing/Repairing Front Caster Tire/Tube

WARNING

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

INSTALLING/REPLACING FORK ASSEMBLIES (FIGURE 1)

WARNING

If converting from six-inch fork to an eight-inch fork or vice versa, there are SEAT-TO-FLOOR height adjustments that must be made. A qualified technician MUST perform these adjustments if this is the case.

Make sure both fork/caster assemblies are the same size BEFORE using the wheelchair, otherwise injury may occur.

NOTE: This procedure can be performed if replacing the exact same size front caster.

FRONT CASTERS

1.Remove the dust cover.

2.Remove the locknut and nylon washer that secures the fork to the caster headtube.

3.Drop the front caster and fork out of the caster headtube.

NOTE: If caster replacement is desired, refer to REPLACING FRONT CASTERS in this section of the manual.

4.Slide in the new fork assembly.

5.Reassemble by reversing STEPS 1-3.

6.Repeat STEPS 1-5 for the opposite fork assembly.

Dust Cover

Locknut

Nylon Washer

Caster Headtube

Fork Assembly

FIGURE 1 - INSTALLING/

REPLACING FORK ASSEMBLIES

7. Adjust the forks. Refer to ADJUSTING FORKS in this section of the manual.

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, then immediately rest in a downward position.

Part No. 1110547

33

Tracer® EXI

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Invacare Tracer EXIR manual INSTALLING/REPLACING Fork Assemblies Figure, Adjusting Forks Figure, Front Casters Section