(Topic ID: 297726)

Williams Match Stepper Unit

By megoman

2 years ago


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  • 18 posts
  • 4 Pinsiders participating
  • Latest reply 2 years ago by megoman
  • Topic is favorited by 2 Pinsiders

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#4 2 years ago
Quoted from megoman:

My plate is pulling too far back when the coil fires and this is dislodging the pawl.

Does the coil in the unit match the coil specified on the schematic? It may have been replaced at some point with a slightly shorter coil.

Could the pawl be worn so that it's a little shorter than it should be?

Should there be, or could you add a spacer or washer between the coil base and the frame to push it a little closer to the armature?

/Mark

#10 2 years ago

Sadly the parts catalog doesn't specify where the washers go:
Segasa_Sonic_PartsCatalog_pg_9 (resized).jpgSegasa_Sonic_PartsCatalog_pg_9 (resized).jpg

#13 2 years ago

As baldtwit pointed out the brass usually goes inside the frame. I wonder if the thin washer inside and the brass washer outside were swapped at some point?

Edit:
I just noticed these that might be helpful if swapping the washer doesn't work:
Brass Screw w/ Brass Washer 8-32 on http://www.pinrestore.com/Hardware.html

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