Hot oil pump start and switch pump step analysis ( 2)

check the workings of the parts, I start the motor. After operating normally, the current stable, gradually open the standby pump export pneumatic valve, gradually running down hot oil pump export pneumatic valve
hot oil pump start and switch of the pump method:
a check whether the parts of the pump and motor appearance is complete, intact;
good lubricating oil, b plate of good cars. Open cooling water, cooling water base;
preheat pump well in advance; Before c drew oil seal to pump and dehydration.
export pneumatic valve, pneumatic valve d open entry. Open vent pneumatic valve that filled with liquid pump body;
check temperature, bearing temperature, vibration motor, e start motor. Leaks;
export pneumatic valve should be open gradually, f when its pump inlet pressure. Until normal operation, should be immediately into the sealing oil after hot oil pump is running normally;
hot oil pump should be completely preheating; G before starting the spare pump should be prepared for the comprehensive inspection and before the start of work.
export pneumatic valve fitted, h pump inlet pneumatic valve open. The pump body filled with dielectric, to vent pneumatic valve will be all gas line net;