R

PROCEDURE 6

REAR WHEELS

 

 

CORRECTING TOE-IN/TOE-OUT

4. Reinstall the rear hex screw, two (2) coved washers,

CONDITION (FIGURE 10)

two (2) metal washers and locknut that secure the

axlemountingplatetothewheelchair.Tightensecurely.

 

E

A

R

W H E E L S

WARNING

The following procedure should be per- formed only by an authorized Invacare Dealer or Qualified Technician.

NOTE: The rear wheels of the wheelchair are aligned at the factory to provide optimum rollability. Should alignment become necessary, follow instructions care- fully. Make adjustments only to an UNOCCUPIED wheelchair.

1.Loosen, but do not remove, the two (2) front hex screws that secure the axle mounting plate to the wheelchair frame.

2.Remove the rear hex screw, two (2) coved wash- ers, two (2) metal washers and locknut that se- cure the axle mounting plate to the wheelchair.

NOTE: Observe the attaching hardware for reinstalla- tion, or refer to FIGURE 10.

3.Refer to the following chart to determine if align- ment washers need to be added or removed:

CONDITION

ALIGNMENT WASHERS

 

 

Toe-in

Remove

Toe-out

*Add

 

 

*NOTE: DO NOT use more than six (6) camber wash- ers.

Metal Washer

Metal Washer

CovedLocknut Washers

Add or Subtract Washers Here

Rear Hex

Screw

Wheelchair Frame

Axle Mounting Plate

Front Hex Screws

FIGURE 10 - CORRECTING TOE-IN/

TOE-OUT CONDITION

5.Securely tighten the two (2) front hex screws that se- cure the axle mounting plate to the wheelchair frame.

6.Repeat TOE-IN/TOE-OUT ALIGNMENTS in this procedure of the manual and STEPS 1-5 of this pro- cedure until the centerline measurement is approxi- mately 1/4-inch (0 +1/8-inch for maximum rollability).

REPLACING/ADJUSTING THE WHEEL LOCK (FIGURE 11)

NOTE: Undermount wheel locks are for all Pro Series wheelchairs EXCEPT Pro-SA.

NOTE: Before adjusting or replacing the High/ Undermount wheel locks, ensure that the tires are inflated to the recommended psi on the sidewall of the tire.

Socket

Cap

Screws

High Mount

Wheel Lock

Socket

Under

Cap

Mount

Screws

Wheel

 

 

Lock

3/16-inch

3/16-inch

(1/8-inch)

(1/8-inch)

High Mount

Under

Mount

Wheel Lock

Wheel

Shoe

Lock Shoe

Tire

Tire

 

FIGURE 11 - REPLACING/ADJUSTING THE

WHEEL LOCK

4 4

Page 44
Image 44
Invacare Pro Series manual Correcting TOE-IN/TOE-OUT, Condition Figure, E E L S, REPLACING/ADJUSTING the Wheel Lock Figure