For centrifugally sealed pumps fitting grease cup in the expeller ring, Screw the grease cup down a few turns to charge the static seal chamber with grease due to different sealing construction at stopping. It is recommended that sodium calcium -based soap grease should be used.
For gland sealed pump, check gland water available and that it is of sufficient quantity and at the correct pressure. Screw gland nuts to adjust the tightness of packing rings and quantity of cooling liquid. Always maintain a small amount of clean Water leakage along the shaft by regular adjusting the gland, if packing rings are too tight, the shaft sleeve Shows signs of heating and sacrifice power. If the packing rings are too loose, the leakage would be excessive. It is normal for the pressure of sealing liquid to be 3. 510 -2 MPa higher than that of pump outlet. It is recommended that the quantity of sealing liquid should be supplied by following table.