11 WHEELS
Invacare
®
Crossfire™T7A Wheelchair
72
Part No 1167484
11.8 Adjusting Wheelbase Width
1.
Remove the rear wheels. Refer to Removing/Installing Rear Wheels on page 62.
2.
Loosen the axle nut and rotate axle busing to increase/decrease the wheelbase width.
3.
Securely tighten axle nut. Torque nut to 30-35 ft.-lbs.
4.
Count the number of threads showing on the axle bushing.
5.
Repeat STEPS 2-3 for the opposite axle bushing.
6.
Install the rear wheels. Refer to Removing/Installing Rear Wheels
on page 62
FIGURE
11
Adjusting Wheelbase Width
Perform this procedure on one side of the wheelchair at a time for ease of adjustment.
The wheelbase width can be increase/decreased by
3
/
4
per side = 1
1
/
2
inch total range of adjustment.
WARNING
ALWAYS leave
3
/
4
inch of axle bushing engaged
into camber tube otherwise damage and/or injury
may occur.
The number of threads showing on the axle
bushing should be equal on both sides of the
wheelchair. Otherwise, wheelchair performance
may be affected.
Camber
Tube
Axle Bushing
Threads
Axle Nut
