[C320-list] Perkins M30 Lift Pump, or ....

[Elizabeth Schwartz]

Ahoy.... Had similar issues on #245, with westerbeke......lift pump 
wired thru oil pressure switch...and thru key switch in glow plug on 
position......my fixes involved changing pressure switch on engine, and 
solenoid and electric breaker......good luck on Perkins......Joe


On Sun, Oct 28, 2018 at 12:15 AM, Mark Seyler wrote:

> The Perkins M30 on my 1995 #232 has started stalling at idle, running 
> rough up to around 1500rpm, and blowing light gray or white smoke out 
> of the exhaust. My first thought was to change the Racor and secondary 
> filters, but that didn’t help. And when I was bleeding the system 
> after changing the filters, it didn’t seem as though the manual lever 
> on the mechanical lift pump was moving as much fuel as I expected. (I 
> used the piston pump on top of the racor instead.)
> I’m wondering if the lift pump could be the source of the stalling and 
> smoke. The engine starts quickly if I give it a little throttle, even 
> after a stall. So I’m assuming it’s not loss of compression from the 
> valves or rings. Does anyone have any other suggestions about 
> diagnosing the possible cause, or advice about changing the lift pump? 
> I never had a Diesel engine until I bought my C320.
> Mark Seyler
> S/V Reality
>
> Sent from my iPhone
>