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Raw Water System
8.5 Raw Water System Maintenance
The following items should be done routinely to
help maintain your raw water system:
Routine Maintenance
• Check hoses, particularly the seawater supply
lines, for signs of deterioration. Tighten ttings
and clamps or replace deteriorated hoses and
components as necessary.
• Periodically remove and clean the water
strainer located near the intake side of the
washdown pump. To clean the strainer, make
sure the Raw Water switch is o and close the
valve at the baitwell pump seacock. Rotate
the strainer bowl counterclockwise to release
it. Remove and clean the screen with fresh
water. Lubricate the O-ring lightly with silicon
or Teon grease and reinstall the strainer bowl.
• Spray pumps and thru-hull valves with a pro-
tective oil periodically.
• The shboxes and baitwells should be drained
and cleaned after each use.
• Operate all valves at least once a month to
keep them operating properly.
SHOULD A HOSE RUPTURE, TURN THE PUMP OFF
IMMEDIATELY. ALWAYS CLOSE THE THRU-HULL VALVE
WHEN PERFORMING MAINTENANCE ON A RAW WATER
SYSTEM.
THE BATTERIES MUST BE PROPERLY CHARGED.
OPERATING ANY PUMPS FROM A BATTERY WITH A LOW
CHARGE MAY LEAD TO A PUMP FAILURE.
THE RAW WATER SYSTEM MUST BE PROPERLY WINTERIZED
PRIOR TO WINTER LAY-UP. SEE SECTION ON WINTERIZING.
Raw Water Pump Sea Strainer
Typical Raw Water Pump Strainer Removed for Cleaning
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