Schwinn 490e Service Manual page 70

Note: Your machine may not match the following images
exactly.
9. Thread the Crank Puller into the Crank Arm (B). When
the Crank Puller is in the correct position, only 1-2 threads
on the outer portion (CP2) of the Crank Puller should show.
Note: Be sure the end of the Bolt (CP1) of the Crank
Puller is flush with the Nut (CP2) as shown,
before use.
10. Using a wrench, turn the inner portion (CP3) of the
Crank Puller clockwise. The Crank Arm (B) will slide off as it
is tightened.
Crank puller nut and inner bolt
CP1 CP1
CP2 CP2
B B
CP3
CP2 CP2
70
CP2 CP2
B B
CP3 CP3