Reply to "Another ERR Sound Problem. Help Needed."

WinstonBOGR Forum Member DIGITAL SUBSCRIBER

@Norm Charbonneau posted:
John I was talking to the OP. Save those cams though!
Looking closer at my cam photo, it looks as if one might be 4 lobe and the other a 2 lobe. That would make the selector switch a SPDT. Maybe I’ll take a closer look tomorrow.

I believe you are correct on the dual cam lobe numbers. On my 2-10-4, the left cam appears to be phased with the right. I reconnected everything and was able to get chuffs in the 2 chuff position but not in 4 chuff position. The chuff switch above the right cam does not spring back out. Looks like the plunger trigger is stuck inward causing a constant ground in the 4chuff position. So, a SPDT would make sense. Curious, I thought 2 chuffs meant 0 and 180, mine gives chuffs at 0 and 360.

1/16/2212:00 AM

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