Troybilt Briggs & Stratton generator - Diesel Truck Forum -
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post #1 of 2 (permalink) Old 01-26-2014, 03:30 PM Thread Starter
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Troybilt Briggs & Stratton generator

Just some info to help someone else from experiencing my frustration.

I have a 10HP B&S 5550W generator I use as backup for my house. Owned it now for about 10 years and it really is only used for backup if needed. I try to start and run it every 4-6 months just to make sure it is good to go when needed. We recently had some power outages in the area so I did my normal functionality test and of course it wouldn't start.

The generator has less than 25 hours on it so everything is pretty new in service hours. I always figured it was fuel related since our gas these days is junk pretty fast.

So I started to work and diagnose the basic issues.

I narrowed down that it didn't have any spark so no matter if there was a fuel or carb issue that didn't matter.

Did the usual put a new plug in but still no spark so I started tearing it apart to investigate.

The engine has a switch for oil level to shut down in the case it runs low on oil so I figured it may be related to that. I unplugged the sensor and still no spark. Must be the coil I thought so I bought a new one still nothing.

Getting pretty frustrated at that point so like all hobby mechanics pulled out the manual from the file cabinet (thanks to my wife the great organizer) and discovered hidden under the cover for the kill switch is a little module that the oil switch connects to THEN goes to the kill switch.

It is hidden and would never think the oil switch is connected to a little module with a small electronics board with several capacitors, resistors and such potted in an aluminum housing (I destructively inspected it with screwdriver and saw) Once I disconnected the little module - nice hot spark.

So I bought a new one on line and she starts again on the first pull just like when new. Too bad I took a hit on the coil since I couldn't return it. Someone on ebay got a heck of a deal.
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Early 2004 F-250 4x4 CC 6.0

2nd owner, ARP studs 1 at a time, Some parts missing in the exhaust path, BD intercooler hoses, Blue spring, MC filters, Sinister coolant filter, Exhaust manifold gaskets, WARN lockouts, Gold coolant, zoodad mod, autometer boost gauge, high idle mod, Scangauge 2, SCT X3 tuned from KEM, autometer fuel pressure gauge, Archoil 6200 in the fuel, FICM by Ed w/ATLAS40, autometer pyro gauge,'08 Alum Rear Diff cover, 5w-40 Rotella T6 w/ Archoil 9100 in it, zert in the slip joint, harpooned fuel tank, 6.4 banjos

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post #2 of 2 (permalink) Old 01-27-2014, 04:33 AM
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Good to hear you were able to get it running again. On the issue of bad fuel I bought a little 5k gen with a propane only fuel system 4 year ago and use it once a week to run a water pump. I have about 1200 hours on it now and it has never given my any problems with fuel.
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