This feature follows on from Restoring suck ‘n’ blow, here. Vacuum tanker pumps are simple beasts, so the job is straightforward, yet there are still one or two things to watch. • Don’t throw away the ...

Any time the internal piping or components of a refrigeration system are exposed to atmospheric air, they must be completely evacuated before refrigerant can be added into the system. Proper ...

Along with the cough and murmur of cows and the muffled curses of the herdsman, the hoot of a vacuum tanker pump in full song is part of many dairy farms. Mostly these pumps – pto-powered and often ...