Invacare Pro Series manual TOE-IN/TOE-OUT Alignment Figures 8, Rear Wheelchair Centerline, Inches

REAR WHEELS PROCEDURE 6

9.Roll the rear wheels. If rear wheels rub the wheelchair at any point, adjust the wheelbase width. Refer to ADJUSTING WHEELBASE WIDTH in this proce- dure of the manual.

TOE-IN/TOE-OUT ALIGNMENT (FIGURES 8 AND 9)

1.Inflate all pneumatic tires to recommended tire pressures (listed on the sidewall of the tire).

2.Measure the distance between the center lines at the rear and front of the rear wheels at approxi- mately 12-inches from the ground/floor (FIGURE 8).

NOTE: For optimum accuracy, perform STEP 2 with the wheelchair occupied.

Front of

Wheelchair

TOP VIEW OF

WHEELCHAIR

Rear of

Wheelchair

Centerline of

Wheelchair

3.Determine the difference between the two (2) mea- surements. If the difference between the two (2) measurements is GREATER than 1/4-inch (0 +1/8-inch for maximum rollability), one (1) of two

(2) conditions exists:

A.If the back centerline measurement of the rear wheels is SMALLER than the front centerline measurement of the rear wheels, a TOE-OUT condition exists (FIGURE 9).

B.If the back centerline measurement of the rear wheels is LARGER than the front centerline measurement of the rear wheels, a TOE-IN con- dition exists (FIGURE 9).

4.If the difference is greater than 1/4-inch, correct the toe-in/toe-out condition. Refer to CORRECTING TOE-IN/TOE-OUT CONDITION in this procedure of the manual.

FRONT OF WHEELCHAIR

Toe-out

Toe-in

Smaller Than

Front

Larger Than Front

FIGURE 9 - TOE-IN/TOE-OUT CONDITION

R

E

A

R

W

H

E

E

L

S

12-inches

FIGURE 8 - MEASURING FRONT AND REAR

OF REAR WHEELS

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