Invacare top end pro 2 all sport Assembly Instructions Manual page 4

Step one – Adjusting and installing wheels
Adjust the nut on the axle receiver.
A.
 The axle receiver nut will be loosely installed on the axle receiver bolt, this nut will need to be
tightened down with the adjustable wrench.
Adjust the nut on the actual axle so that the ball bearing locks into place when
B.
put through the wheels and inserted into axle receiver.
A
B