Generac 3500 generator won't start

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  #1  
Old 02-20-09, 09:51 AM
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Generac 3500 generator won't start

Generac 3500 propane generator won't start. Tach proplem? Over or under speed shutdown? where is it ,how do I fix? Have 10.5 column inches of propane pressure. strong spark, good compression,cranks fast. would start with gasoline in cylinder but now won't. Get overcrank code because engine won't start. engine type no.gn-220 h/sh.
 

Last edited by cheese; 02-20-09 at 08:44 PM.
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Old 03-07-09, 10:43 AM
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propane secondary regulator has weak or broken spring on arm! replace with proper pressure compression spring and it will start every time.(guaranteed) THE miner.
 
  #3  
Old 03-07-09, 07:24 PM
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Glad you got it, sorry there wasn't help for you here. I don't know about propane conversions.
 
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