The cabinet shaker motor no longer runs when it should.
Shaker motor dead: replace the brushes or fit a substitute DC motor
Cause: The shaker is a plain DC motor; worn brushes are the usual failure. The original motor is long discontinued.
Checks
- With power off, check whether the motor shaft turns freely by hand.
- Apply the motor's rated DC supply directly to confirm the motor itself is dead.
Fix
- If it turns freely, fit new brushes.
- Or replace it with a compatible DC motor: one owner fitted an HC970 motor and it worked perfectly.
- Reuse the original weight; stripped hex set screws may need an extractor and heat.
Games
Source: Pinball Repair help group!! (Facebook group)