Westerbeke 4.5 BCG - Maintenance Schedule; Daily Checks Before Start-Up; Initial 50 Hours of Operation; Every 50 Operating Hours or Monthly

MAINTENANCE SCHEDULE
WARNING: Never attempt to perform any service while the engln fS tunning. Wear the propet safety equipment Sllch as goggles and
gloves, and use the correct tools tor each jab. When servicing/replacing DC components, tum oft the DC circuit break8r on the control
panel or tum off the battery SWltch.
SCHEDULED MAINTENANCE
Maintenance procedures are all detailed in this manual.
I DAILY CHECK BEFORE START-UP
Coolant level
Engine Oil Level
Fuel/Water Separator (owner installed)
Fuel Supply
Visual Inspection ol Engine
I INITIAL 50 HOURS OF OPERATION
•spark Plugs
Engine Oil and Fitter
*Exhaust System
"Valve Adjustment
Air Screen/flame Arrester
carburetor Filler Screen
Mechanical Govemor
I EVERY 50 OPERATING HOURS OR MONTHLY
Drive Belt (water pump)
Starting Batteries
Electric Fuel Pump and Gasdenser
Zinc Anode
I EVERY 100 OPERATING HOURS OR YEARLY
Engine Oil and Filter
Air Screen/Flame Arrester
I EVERY 250 OPERATING HOURS OR YEARLY
*Exhaust Elbow/Exhaust System
NOTE: Some models have catalytic converters
See data below.
Carburetor Filter Screen
•Generator
EXPLARATION OF SCHEDULED MAINTENANCE
Check at recovery tank, if empty, check at manifold. Add coolant if needed.
Oil level should indicate between MAX and LOW on dipstick. Do not overfill!
Check for water and dirt in fuel. Drain filter if necessary. Replace filter every 250 operating
hours or once a
Fresh unleaded gasottne with an octane rating of 89 or higher. Lower octane wm affect engine
ner1iom1anr~e 10"4 ethanol maximum.
Check for fuel, oil and water and exhaust leaks. Check that the water injected exhaust elbow
securing v-clamp is tight No exhaust leaks around the elbow. Inspect wiring and electrical
connections. Look for loose bolts/hardware and correct as needed.
Clean/regap.
Initial engine oil and filter change at 50 hours. then change both every 100 hours.
Initial check at 50 hours, then every 250 hours or once a year. carefully inspect tor leaks.
Check that the exhaust hoses are properly attached and !hat the securing clams are tight
Check the integrity/mounting security o1 the water injected exhaust elbow.
Check adjustment of valve. Check again at 500 hours. Torque head bolts first.
Remove, clean and re-install screen pack. Inspect rubber sealing ring and replace if
necessary, then every once a year.
Clean screen at 50 hours !hen every 250 hours.
Initial oil change, then every 250 hours or once a year.
Inspect for proper tension (318" to 112" deflection) and adjust if needed. Check belt
for slipping, cracking and wear. Adjust tension or replace as needed. Replace cover.
Check electrolyte levels. Make sure cables and connections are in good order. Clean
off corrosion if needed. Apply petroleum jelly to terminals for corrosion protection.
Inspect for leaks. ensure fuel and electrical connections are clean and tight.
Inspect and clean zinc anode. Replace if necessary. Note the condition. then determine
your own inspection sctiedule.
Change engine oil and filter.
Remove. clean and re-install screen pack. Inspect rubber sealing ring and replace if
necessary.
Check the structural integrity of the water injected exhaust elbow casting. Check the integrity
of the exhaust system attached to the elbow. All hose connections should be secure. No
chaffing. No exhaust leaks. Hoses and muffler are In gOOd serviceable condition.
NOTE: An exhaust teak will cause exposure to diesel exhaust!
Clean. replace fuel inlet screen.
Check that AC connections are clean and secure. Ensure wires have no chafing.
See GENERATOR INFORMATION.