[MRCG] PU-181 Generator Fuel/Lube

[Dennis DuVall]

Good question.  I only have experience with the GR-9 version (PE-162)  
which is
a smokey little devil at 16:1,  I've run mine at somewhat lower ratios  
with modern
2-cycle oils with no apparent problems.

Dennis D.  W7QHO
Glendale, CA

**************
On Apr 14, 2014, at 12:38 PM, Tim wrote:

> OK Wise Guys - here's a question for you regarding engine oil and
> concentration.
>
> The PU-181/PGC-1 is a 2-stroke gas generator rated at 300W, 240/120  
> VAC.
> It uses a Jacobsen GE-12F engine.  The generator is designed for the  
> PGC-1
> TTY terminal but also for general purpose use.  It has a completely
> shielded ignition system - it is radio friendly. This same engine is  
> also
> used to power the GRC-9 DC generator adaptation.
>
> The placard on the fuel tank advises a *16:1 fuel-oil ratio*.  It  
> states to
> use SAE 10 weight below 32 degrees F and SAE 30 for operation above 32
> degrees F.
>
> However, the Tech Manual TM11-943 "Engine Generator PU-181/ 
> PGC-1" (US Army
> 1951) states to use a *32:1 fuel-oil ratio* and it says to use SAE  
> 10 lube
> oil, it says nothing about SAE 30 or temperature.
>
> So regarding mix ratio, which is it?  I don't know if there were any
> post-1951 tech advisories that addresses this apparent discrepancy.
>
> Comments?  Thanks
> Tim
> N6CC
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