Sterling SGM-250A 5-3BFS Series Bag Filters, 5-4SWF Series Full Flow Stainless Steel Filters

5-3 BFS Series Bag Filters

Bags are easily removed from the top of the filter housing. Before removing the bag filter be sure that pressure has been relieved and that the filter housing has been isolated to prevent spill over.

! CAUTION

SEVERE INJURY WILL RESULT IF HOUSING COVER IS REMOVED UNDER

PRESSURE. RELIEVE PRESSURE AND ISOLATE HOUSING BEFORE

REMOVING COVER.

Loosen and unlatch the V-clamps or swing type bolts that fasten down the top of the filter housing. The top is hinged on one end and will swing open. Reach down and lift the bag handle and remove the filter bag. Unfold and install the new bag. Close the cover and tighten down the swing bolts.

5-4 SWF Series Full Flow Stainless Steel Filters

Periodically, solids that settle to the bottom of the filter housing will need to be purged out. The drainage port valve, which is piped to an open drain, will need to be opened to purge the debris from the reservoir. Over time, one should be able to accurately determine how often the valve should be opened. Do not allow the debris to collect beyond the capacity of the reservoir.

An optional automatic purge valve is available to open based upon an adjustable time cycle. Periodically inspect and ensure that the purge line is clear to flow freely.

! CAUTION

SEVERE INJURY WILL RESULT IF HOUSING COVER IS REMOVED UNDER

PRESSURE. RELIEVE PRESSURE AND ISOLATE HOUSING BEFORE

REMOVING COVER.

The cover of the SWF full flow filter is removable if the strainer is clogged with debris. A pressure drop of 10 psi, after purging debris from the reservoir, would indicate that the strainer requires cleaning. Do not remove the cover under pressure. Relieve the pressure and isolate the filter from the system first. Lift the strainer element out of the filter housing and scrub it carefully with a rigid nylon brush and water until clean. Wash it off with clean water,

Page 16 Water Management Systems and Products