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CORRECTING TOE-IN/TOE-OUT
CONDITION (FIGURE 10)
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 R em o v e
Toe-out *Add
*NOTE: DO NOT use more than six (6) camber wash-
ers.
FIGURE 10 - CORRECTING TOE-IN/
TOE-OUT CONDITION
Front Hex Screws
Rear Hex
Screw
Add or Subtract
Washers Here
Coved
Washers
Metal Washer
Metal Washer
Locknut
4. Reinstall the rear hex screw, two (2) coved washers,
two (2) metal washers and locknut that secure the
axle mounting plate to the wheelchair. Tighten securely.
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.
3/16-inch
(1/8-inch)
3/16-inch
(1/8-inch)
Tire
Under
Mount
Wheel
Lock Shoe
Tire
High Mount
Wheel Lock
Shoe
FIGURE 11 - REPLACING/ADJUSTING THE
WHEEL LOCK
Socket
Cap
Screws
High Mount
Wheel Lock
Under
Mount
Wheel
Lock
Socket
Cap
Screws
PROCEDURE 6 REAR WHEELS
R
E
A
R
W
H
E
E
L
S
Wheelchair Frame
Axle Mounting Plate