105
Raw Water System
8.7 Generator Raw Water Supply
The generator engine uses a closed cooling system
with a seawater cooled heat exchanger. Seawa-
ter circulates through the heat exchanger and is
expelled through the generator exhaust system,
cooling it as well. It includes a strainer that pre-
vents debris in the seawater from entering the
cooling pump. The strainer is located in the aft
systems compartment bilge near the generator
and supplied seawater by a dedicated thru-hull
fitting and seacock valve near the strainer. It is
important to check and clean the strainer regu-
larly to ensure the seawater system can circulate
enough water to cool the heat exchanger and
exhaust system on the generator. Refer to Raw
Water System Maintenance in this chapter for
information on cleaning the sea strainer.
You should also read the generator owner’s man-
ual for detailed information on the safe operation
and maintenance of the generator.
8.8 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
fittings 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 off and close
the valve at the raw water manifold. Rotate
the strainer bowl counterclockwise to release
it. Remove and clean the screen with fresh
water. Lubricate the O-ring lightly with silicon
or Teflon grease and reinstall the strainer bowl.
•
Spray pumps and thru-hull valves with a pro-
tective oil periodically.
• The fishboxes and baitwells should be drained
and cleaned after each use.
•
Operate all valves at least once a month to
keep them operating properly.
Typical Raw Water Pump Strainer Removed for Cleaning
Typical Generator Seacock Valve & Sea Strainer
Raw Water Pump Strainer
Summary of Contents for 455 CC
Page 1: ...OWNER S MANUAL 455 CC...
Page 2: ...2 Revision 0 12 04 2021...
Page 14: ...14 NOTES...
Page 26: ...26 NOTES...
Page 29: ...29 Operation...
Page 96: ...96 Electrical System NOTES...
Page 108: ...108 NOTES...
Page 120: ...120 NOTES...
Page 158: ...158 NOTES...
Page 177: ...177 MAINTENANCE LOG Appendix B Hours Date Dealer Service Repairs...
Page 178: ...178 Maintenance Schedule and Log MAINTENANCE LOG Hours Date Dealer Service Repairs...
Page 179: ...179 Maintenance Schedule and Log MAINTENANCE LOG Hours Date Dealer Service Repairs...
Page 180: ...180 Maintenance Schedule and Log MAINTENANCE LOG Hours Date Dealer Service Repairs...
Page 181: ...181 Appendix C BOATING ACCIDENT REPORT...
Page 182: ...182 Boating Accident Report...
Page 183: ...183 Boating Accident Report...
Page 184: ...184 NOTES...
Page 186: ...186 NOTES...
Page 195: ...195 Schematics Board Circuit Breaker DCM AFT BOM...
Page 196: ...196 Schematics Board Circuit Breaker DCM Forward Console Sht 1...
Page 197: ...197 Schematics Board Circuit Breaker DCM Hardtop 2nd Station...
Page 198: ...198 Schematics add sheet 3 that shows the shipping height...
Page 199: ...CAUSE AND SOLUTION...