PROCEDURE 9

WHEELS

W

H

E

E

L

S

6.Examine the head of the hex screw and the locking tab washer. Make sure one (1) of the tabs on the locking tab washer is parallel with one (1) of the flats on the head of the hex screw.

7.If one (1) of the tabs on the locking tab washer is NOT parallel with one (1) of the flats on the head of the hex screw (FIGURE 1), TIGHTEN the hex screw until the closest flat and locking tab are parallel.

NOTE: Tighten hex screw only. DO NOT loosen hex screw to make one of the tabs on the locking washer parallel.

8.Bend the parallel tab of locking tab washer up tight against flat of the hex screw (FIGURE 1).

14-inch Drive Wheel (FIGURE 2)

REMOVING.

1.Remove the battery boxes. Refer to INSTALLING/ REMOVING BATTERY BOXES for one (1) of the following:

FWD WHEELCHAIRS - in PROCEDURE 13 of this manual.

MWD WHEELCHAIRS - in PROCEDURE 14 of this manual.

2.Remove the four (4) beveled locknuts that secure the drive wheel to the wheel hub.

3.Remove the existing drive wheel from the wheel hub.

 

Wheel Hub

Drive Wheel Assembly

Assembly

Four (4) Beveled

Hex Nuts

FIGURE 2 - REMOVING/INSTALLING 14-

INCH DRIVE WHEELS

INSTALLING.

1.Install drive wheel onto wheel hub

2.Securethedrivewheelontothedrivewheelhubwiththe existingfour(4)beveledlocknuts.Torquelocknutsto160- inch pounds.

3.Repeat STEPS 1-2 for opposite side if necessary.

4.Installthebatteryboxes.RefertoINSTALLING/REMOV- ING BATTERY BOXES for one (1) of the following:

FWD WHEELCHAIRS - in PROCEDURE 13 of this manual.

MWD WHEELCHAIRS - in PROCEDURE 14 of this manual.

REMOVING/INSTALLING DRIVE WHEEL HUB (FIGURE 3)

NOTE: Drive wheel hubs are only on 14-inch drive wheels.

WARNING

NEVER use a locking tab washer more than once. ALWAYS use a NEW locking tab washer when installing the drive wheels.

Removing

1.Remove the drive wheels. Refer to REMOVING/IN- STALLING THE DRIVE WHEELS in this procedure of the manual.

NOTE: The tab of the locking washer that is bent 90o up against the head of the mounting screw MUST be flattened before the mounting screw can be removed.

2.Flatten the tab of the locking washer that is bent 90o up against the head of the mounting screw.

3.Remove the mounting screw, locking tab washer and washerthatsecuretheexistingdrivewheeltothewheel hub.

4.Remove the wheel hub and keystock from drive shaft.

Installing

1. Position the keystock on the drive shaft

CAUTION

DO NOT apply more than a one (1)-inch (in length) thin film of anti-seize compound to the drive shaft. Applying more than one

(1)-inch (in length) can cause the anti-seize compound to leak resulting in damage to flooring (carpet, tile, etc.).

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Invacare Ranger IIBASIC, Ranger IIJR REMOVING/INSTALLING Drive Wheel HUB Figure, Procedure Wheels, Removing, Installing