Drive arm keeps going into "neutral"

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lebdog74
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Joined: Sat. Dec. 05, 2020 10:58 am
Location: Bedford County PA
Stoker Coal Boiler: Keystoker KA-6
Coal Size/Type: Buckwheat
Other Heating: Oil backup

Post by lebdog74 » Sun. Feb. 12, 2023 9:42 am

I have a KA-6 that I'm having trouble with the drive arm popping out. I'm wondering if the spring could be weak. A month ago I was having the same problem and discovered that the push bar in the hopper was seized up. I cleaned it up, wire brushed everything I could and sprayed it with PB Blaster. The pusher bar moved freely. While I was in there, I scraped the coal tray while I had the hopper off as well. After I rebuild the fire, it runs anywhere from 12 hrs or so to a couple day before the arm will disengage again. Any ideas would be appreciated. Thanks. Also I have acquired a secondary blower fan. Does anyone have a pic or wiring diagram showing where to run the power from? Thanks

 
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nepacoal
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Post by nepacoal » Sun. Feb. 12, 2023 9:47 am

Page 11 for the wiring diagram...

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Hot-Water-Boiler.pdf
.PDF | 904.1KB | Hot-Water-Boiler.pdf


 
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Retro_Origin
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Stoker Coal Boiler: 1957 Axeman Anderson 130
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Post by Retro_Origin » Sun. Feb. 12, 2023 12:22 pm

lebdog74 wrote:
Sun. Feb. 12, 2023 9:42 am
I have a KA-6 that I'm having trouble with the drive arm popping out. I'm wondering if the spring could be weak. A month ago I was having the same problem and discovered that the push bar in the hopper was seized up. I cleaned it up, wire brushed everything I could and sprayed it with PB Blaster. The pusher bar moved freely. While I was in there, I scraped the coal tray while I had the hopper off as well. After I rebuild the fire, it runs anywhere from 12 hrs or so to a couple day before the arm will disengage again. Any ideas would be appreciated. Thanks. Also I have acquired a secondary blower fan. Does anyone have a pic or wiring diagram showing where to run the power from? Thanks
I hope you don't take this as discouragement but I wish I hadn't gotten a secondary blower. It only ever made my fire go out more readily. Others on here both agree and disagree. Not sure about your other issue. Pictures help!
Last edited by Retro_Origin on Sun. Feb. 12, 2023 9:00 pm, edited 1 time in total.

 
waytomany?s
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Post by waytomany?s » Sun. Feb. 12, 2023 8:52 pm

lebdog74 wrote:
Sun. Feb. 12, 2023 9:42 am
I have a KA-6 that I'm having trouble with the drive arm popping out. I'm wondering if the spring could be weak. A month ago I was having the same problem and discovered that the push bar in the hopper was seized up. I cleaned it up, wire brushed everything I could and sprayed it with PB Blaster. The pusher bar moved freely. While I was in there, I scraped the coal tray while I had the hopper off as well. After I rebuild the fire, it runs anywhere from 12 hrs or so to a couple day before the arm will disengage again. Any ideas would be appreciated. Thanks. Also I have acquired a secondary blower fan. Does anyone have a pic or wiring diagram showing where to run the power from? Thanks
You run bit coal in that ?

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