Invacare Arrow FWD, MWD REMOVING/INSTALLING Drive Wheels Figure, WHEELS/ Motors, E E L S T O R S

WHEELS/ MOTORS PROCEDURE 12

This Procedure includes the following:

Replacing Pneumatic Tires/Tubes - Drive Wheels/ Casters

Removing/Installing Drive Wheels Removing/Installing Drive Wheel Hub Installing Wheel Lock Bracket onto Wheelchair Removing/Installing Casters

Replacing Forks

Motor Replacement

WARNING

AfterANYadjustments,repairorserviceandBEFORE use, make sure 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.

REPLACING PNEUMATIC TIRES/ TUBES - DRIVE WHEELS/CASTERS

WARNING

DO NOT use your wheelchair unless it has the proper tire pressure (p.s.i.). DO NOT overinflate the tires.Failuretofollowthesesuggestionsmaycause the tire to explode and cause bodily harm.

If tires are pneumatic, replacement of tire or tube MUST be performed by an authorized Invacare dealer or qualified technician.

NOTE: If drive wheels or casters are pneumatic, under-in- flation causes excessive wear which results in poor perfor- mance of the tires.

REMOVING/INSTALLING DRIVE WHEELS (FIGURE 1)

CAUTION

Perform the following procedure in a designated work area to prevent damage to flooring (car- peting, tile, etc.).

Removing

1.Remove the battery box(es). Refer to INSTALLING/ REMOVING GROUP 24 BATTERY BOXES or IN-

STALLING/REMOVING GROUP 22 BATTERY BOXES in PROCEDURE 9 of this manual.

2.Remove the four (4) beveled hex nuts that secure the drive wheel assembly to the wheel hub assembly.

3.Removeexistingdrivewheelassemblyfromwheelhub.

Installing

1.Reinstall new/existing drive wheel assembly to the wheel hub assembly and torque the four (4) beveled hex nuts to 160-inch pounds.

2.Repeat procedure for opposite side of wheelchair, if necessary.

3.Reinstall the battery box(es). Refer to INSTALLING/ REMOVING GROUP 24 BATTERY BOXES or IN-

STALLING/REMOVING GROUP 22 BATTERY BOXES in PROCEDURE 9 of this manual.

CONVENTIONAL MOTOR WITH GEARBOX

Gearbox Drive Shaft

Drive Wheel Assembly

Keystock

Four (4)

Beveled

Hex Nuts

	Wheel Hub
*Washer	Assembly

*Locknut

*NOTE: It is not required to remove the locknut and washer to remove the drive wheel.

GEARLESS/BRUSHLESS MOTOR

Drive Wheel

Assembly

Wheel Hub

Assembly

Four (4) Beveled Hex Nuts

FIGURE 1 - REMOVING/INSTALLING DRIVE WHEELS

W H E E L S

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M O T O R S

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