Hubbell STH manual

Models: STH ST

1 31
Download 31 pages 26.51 Kb
Page 19
Image 19
Manual background

11.Convection packages may be equipped with an integral circulator. This circulator should be serviced per the enclosed pump O&M manual.

12.The unit as well as all strainers should be blown down regularly to remove any trash, and sediment that may have accumulated.

13.If unit is supplied with anode rod, it shall be inspected for excessive wear.

14.Packing on valves and regulators should be checked for leaks and repaired or replaced as necessary.

15.To seal the manhole gasket, first install the cover, crab, new gasket, bolt and nut. Turn the nut until it is snug against the crab, then turn 1 ½ revolutions. Fill the tank with water and allow pressure to build up, letting the water pressure seal the gasket. (Some leakage may

19

Page 19
Image 19
Hubbell STH manual