Invacare A4 Titanium Mobility Aid User Manual


 
A4 48 Part No. 1110545
WHEEL LOCK ADJUSTMENT/REPLACEMENT (FIGURE 7)
NOTE: INVACARE recommends UNDER mount wheels locks when engaging in any contact sport.
NOTE: Before adjusting or replacing the High/Under mount wheel locks, ensure that the tires are
inflated to the recommended psi on the sidewall of the tire.
1. Loosen the hex screw(s) that secure the High/Under mount wheel locks to the seat
frame.
2. Perform one (1) of the following:
A. REPLACING THE HIGH/UNDER MOUNT WHEEL LOCK:
1. Remove the hex screws and remove the existing wheel lock from the
wheelchair.
2. Install the NEW wheel lock.
B. ADJUSTING THE HIGH/UNDER MOUNT WHEEL LOCK:
1. Proceed to STEP 3.
3. Adjust position of wheel lock until the 3/16-inch engagement with the tire is obtained.
NOTE: Any wheel lock adjustment should embed the wheel lock shoe at least 3/16-inch into the
pneumatic tire when engaged.
4. Engage the wheel locks and push against the wheelchair and determine if wheel locks
engage the rear wheels enough to hold the wheelchair.
5. Repeat the STEPS 3-4 until the wheel locks hold the wheelchair.
Hex Screws
High Mount Wheel Lock
FIGURE 7 - WHEEL LOCK ADJUSTMENT/REPLACEMENT
3/16-inch
Tire
High Mount
Wheel Lock
Shoe
SECTION 5 WHEELS
WHEELS
Hideaway
Undermount
Wheel Lock
Hex Screws
Wheelchair
Frame
Wheel Lock Shoe
FRONT
REAR
3/16-inch
Under Mount
Wheel Lock
Shoe
Tire