Sea Recovery SRC Ultra Whisper Compact 200 Owner's Manual page 153

Sea Recovery Ultra Whisper Rev. A
A. LOW PRESSURE ABNORMALITIES:
Have patience when diagnosing a Low Pressure condition and please read this carefully: Debris may plug up the
Prefilter Elements causing the system to shut down. After shut down that same debris may loosen or settle off of the
Prefilter Elements and down into the Prefilter Housing bowl. Re-starting of the system may initially give normal
Pressure Gauge readings. However, after a short period of time, 5 to 20 minutes, the debris will stir up, pack back
onto the Prefilter Elements and once again clog the them causing the System to shut down due to low pressure.
Therefore, if the system shuts down after a few minutes of starting, re-start the system and observe the Pressure
Gauges during this time interval to determine if clogged Prefilter Elements are the reason for shut down.
Another cause may be a plastic bag or other debris attached to the thru-hull inlet fitting that after several minutes of
operation finds it's way over the Inlet Thru Hull Fitting then drops away when the system shuts down, only to
reappear when the system is again restarted.
Air can also enter the suction portion of the Feed Line causing the Feed Pump to loose pressure and flow. This can
be difficult to detect and will only appear when the line is under a vacuum condition caused by a blockage in the line
prior to the air leak. Air may also enter the feed line through the Inlet Thru-Hull [1] fitting from under the boat
when the boat is under way.
section 6 page 6 of 38