have 25hp 06e compr; suct78 disch 250;one unloader suct cutoff;
compressor runs for approx 8 mins then breaker to comp trips;sorry,at time didnt have amprobe to ck amps.
this unit was running ok couple weeks ago,no probs.
found this when i returned to work to ck system
i can front seat suct valve unit runs ok.