Lift crank assembly used in Bally / Williams pinball machine ramp lifting mechanisms.
ERROR CORRECTION:
Verify your part by the photo. The drawing for the lift crank assembly is correct but the part number is wrong in these game manuals:
Bally GILLIGANS ISLAND
Williams RIVERBOAT GAMBLER
Williams PINBOT
Williams DINER
Reference:
A-11137 Lift crank assembly
A-11137 is the mirror image of 04-10071.1