Adjusting Forks Figure, Front Casters | Invacare 9758, 9859 instruction

FRONT CASTERS

PROCEDURE 5

This Procedure Includes the Following:

Installing/Replacing Six or Eight-inch Front Casters and Forks

Adjusting Front Forks

Replacing/Repairing Front Caster Tire/Tube Replacing Front Casters

WARNING

AfterANYadjustments,repairorserviceandBEFORE use, make sure all attaching hardware is tightened securely-otherwiseinjuryordamagemayresult.

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.

3.Test wheelchair for maneuverability.

4.Readjust locknuts if necessary, and repeat STEPS 2-3 until correct.

5.Snap dust cover over the locknut and stem.

F R O N T

C A S T E

INSTALLING/REPLACING SIX OR EIGHT-INCH FRONT CASTERS AND FORKS (FIGURE 1)

1.Remove the caster from the fork. Refer to REPLAC- ING FRONT CASTERS in this section of the manual.

2.Remove the dust cover.

3.Remove the locknut and nylon washer that secure the fork to the caster headtube.

4.Drop the fork out of the caster headtube.

5.Slide the new fork into the caster headtube and re- assemble by reversing STEPS 1-4.

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

7.Repeat STEPS 1-6 for opposite fork, if necessary.

Dust Cover

Locknut

Caster

Headtube Nylon

Washer

Front Caster

and Fork

FIGURE 1 - INSTALLING/REPLACING SIX OR EIGHT-INCH FRONT CASTERS AND FORKS

ADJUSTING FORKS (FIGURE 1)

1.Remove the dust cover.

2.To properly tighten caster journal system and guard against flutter, perform the following check:

REPLACING/REPAIRING FRONT CASTER TIRE/TUBE

WARNING

Replacement of front caster tire or tube MUST be performed by an authorized Invacare dealer or qualified technician.

CAUTION

As with any vehicle, the wheels and tires should be checked periodically for cracks and wear, and should be replaced.

REPLACING FRONT CASTERS (FIGURE 2)

1.Remove the hex screw, washers and locknut that secure the front caster to the fork.

NOTE:WashersareusedonTRACERIVwheelchairsonly.

2.Install the new front caster onto the wheelchair by reversing STEP 1.

3.Repeat STEPS 1-2 for the opposite front caster if necessary.

8-inch Fork

Locknut

Hex

Screw

Washer

Front Caster

Washer

FIGURE 2 - REPLACING FRONT CASTERS

R S