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> 28 Seasonal Maintenance Items
Seasonal > Engine > Engine Oil & Filter - Initial engine oil & filter change at 50 hours, then change both every 100 hours or end of season. Use 4 quarts API Spec CF or CG-4 SAE 30, 15W-40, 10W-30 or 5W-40. Use Universal oil filter #300209.
Reference > Operator's Manual, p.12Operator's Manual, p.17Westerbeke oil recommendations
Seasonal > Engine > Transmission Fluid - Initial fluid change at 50 hours, then every 250 hours or end of season. Use ATF - type A or Dextron - II or III. Capacity is 0.59 quarts.
Reference > Operator's Manual, p.12Operator's Manual, p.35
Seasonal > Engine > Fuel Filters - Initial change at 50 hours, then change every 250 hours or end of season. Use Racor filter #W2010TMOR (Blue 10 micron filter). Use Universal fuel filter #298854.
Reference > Operator's Manual, p.12Operator's Manual, p.20
Seasonal > Engine > Electric Fuel Lift Pump Filter - Clean at 50 hours, then clean every 250 hours or annually. Use Westerbeke P/N 48076 80 micron filter.
Reference > Operator's Manual, p.13Picture of Filter
Seasonal > Engine > Air Cleaner - Clean the filter and element; Every 250 hours.
Reference > Operator's Manual, p.12Operator's Manual, p.19
Seasonal > Engine > Raw Water Pump - Remove pump cover and inspect impeller for wear; replace if needed; Also replace gasket; Lubricate both when reassembled; Inspect pump for internal wear, cover plate wear and cam wear; Check at 250, then every 500 hours. Use Universal impeller kit #200175.
Reference > Operator's Manual, p.13Service Manual, p.52
Seasonal > Engine > Key Switch - Lubricate panel key switch with "Lockeze" - At first 100 hours, then each year at winterizing.
Reference > Operator's Manual, p.12
Seasonal > Engine > Shaft Alignment - Check gap between coupling flanges.
Reference > C350 Owner's Manual, p.12Installation Manual, p.10
Seasonal > Engine > Clean Motor - Clean motor thoroughly.
Reference > C350 Owner's Manual, p.12
Seasonal > Engine > Fuel System - Inspect fuel system.
Reference > C350 Owner's Manual, p.12Picture of fuel tank and fittings
Seasonal > Engine > Tune Engine - Tune engine as per manufacturer's recommendations.
Reference > C350 Owner's Manual, p.12
Seasonal > Engine > Exhaust System - Check for leaks, or deterioration, insulation in place.
Reference > C350 Owner's Manual, p.12
Seasonal > Engine > Control Cables and Shutoff Levers - Throttle and transmission control cables and shutoff levers - Check for loose fittings, cotter pins, etc; Lubricate with WD-40 or equivalent; Check at 50, then every 250 hours.
Reference > Operator's Manual, p.12Operator's Manual, p.27Operator's Manual, p.34
Seasonal > Rigging > Standing Rigging - Seasonal inspections: All chainplates and through bolts tight; Spreader tips and bases, and mast fittings OK; All shroud terminations and swedged fittings OK, check for cracks or corrosion; Gooseneck assembly and boom assembly OK; Mast, boom and spreaders cleaned and waxed; Turnbuckles (standing rigging) should be unscrewed from time to time (~every 3 months) in order that they do not seize; Inspect (every 6 months) all rigging parts, including turnbuckles, and replacement of standing rigging as required
Reference > C350 Owner's Manual, p.12C350 Owner's Manual, p.20
Seasonal > Rigging > Running Rigging - Mast head pins and sheaves turn freely; Halyards and shackles are in good condition.
Reference > C350 Owner's Manual, p.12
Seasonal > Rigging > Winches - Disassemble winches and lubricate bearings and pawls.
Reference > C350 Owner's Manual, p.11Harken winch maintenanceWest Marine
Seasonal > Rigging > Steering System - Check/oil wire rope and roller chain, inspect pedestal shaft bearings, and inspect system under strong load (hard over and full throttle) annually.
Reference > Edson Maintenance GuideSee Revision 10Photo of roller chain and pedestal shaft bearings
Seasonal > Rigging > Windlass - Grease windlass, check gear box oil level, and spray underdeck components with WD-40 prior to season, six-monthly, and end of season.
Reference > Maxwell Owners Manual, p.23Photo of windlass underdeck components
Seasonal > Rigging > Deck - Seasonal inspections: Lifelines, pelican hooks, and stanchions all OK, all pins and fittings are secure, cotter rings taped; Turnbuckles, pelican hooks and connector loops OK, screw fittings checked for thread wear; Hatch gaskets and hold down fasteners OK
Reference > C350 Owner's Manual, p.12
Seasonal > Rigging > Hull - Bottom, keel and rudder condition of anti-fouling paint OK.
Reference > C350 Owner's Manual, p.12
Seasonal > Rigging > Ground Tackle - At least once a year, hose clean ground tackle and locker; Inspect rope, chain, shackles, swivels and anchor; Replace safety ties as needed; Verify bitter end is secured.
Reference > Chapman, 64th Edition, p.348
Seasonal > Electrical > Connections - Inspect and coat electrical system connections, battery tie downs and terminal connectors to prevent corrosion; Check all connections at least once a year for corrosion, loose fittings, etc.
Reference > C350 Owner's Manual, p.12C350 Owner's Manual, p.35
Seasonal > Plumbing > Fresh Water System - Drain and flush the fresh water system every season; Depending on use and the environment the system is subject to, sanitizing is recommended prior to storing and before using the water system after a period of storage.
Reference > C350 Owner's Manual, p.12SHURflo Pump Manual (Sanitizing Procedure) SHURflo Pump Manual (Pump Illustration)
Seasonal > Plumbing > Head - Check head and anti-siphon valve in toilet. Use Forespar anti-siphon valve model #MF843 (5/8").
Reference > C350 Owner's Manual, p.12Exploded view of WC Newport Toilet
Seasonal > Plumbing > Fresh Water Pump - Clean out the 50 mesh in-line pump strainer (The manual does not contain this requirement, but it seems like a good idea to clean out the strainer).
Reference > SHURflo Pump Manual (Pump Illustration) Picture of pump
Seasonal > Refrigeration > Evaporator - Wash the evaporator occasionally and again before winter storage (use a mild detergent such as Joy or Ivory)
Reference > Operating Manual, p.27Picture of condensing unit
Seasonal > Refrigeration > Air Condenser - The air condenser (the radiator-like object on the condensing unit) can get clogged with dirt and should be carefully vacuumed seasonally with a soft brush attachment.
Reference > Operating Manual, p.27Picture of condensing unit
Seasonal > Safety > PFD's - Check at least once a year for mildew, loose straps or broken zippers; Replace automatic inflator bobbins on inflatable PFDs.
Reference > SOSpenders Owner's Manual, p.12 AirForce Owner's Manual, p.15Chapman, 64th Edition, p.96
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