Westerbeke 3.5 MCGA 60 Hz Operator's Manual page 30

5 Maintenance
5.1.3 Every 50 Operating Hours or Monthly
Drive Belts: Inspect drive belts in fresh water or raw water pump applications for
❑
proper tension (3/8" to 1/2" deflection) and adjust if needed. Check belt for slipping,
cracking and wear. Adjust tension or replace as needed. Replace cover.
❑ Starting Batteries: 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.
❑ Electric Fuel Pump: Inspect for leaks, ensure fuel and electrical connections are clean
and tight.
❑ Zinc Anode: Inspect zinc anode, replace if necessary.
5.1.4 Every 100 Operating Hours or Yearly
❑ Engine Oil and Filter: Change engine oil and filter.
Air Screen/Flame Arrestor: Remove, clean and re-install screen pack. Inspect
❑
rubber sealing ring and replace if necessary.
5.1.5 Every 250 Operating Hours or Yearly
Exhaust Elbow/Exhaust System: 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 chafing. No exhaust leaks.
Hoses and muffler are in good serviceable condition.
WARNING: An exhaust leak will cause exposure to carbon monoxide!
Fuel Filter and O-Rings: Remove and replace fuel filter and all sealing O-rings.
❑
Inlet Fuel Filter: Remove and replace inlet fuel filter.
❑
Generator: Check that AC connections are clean and secure. Ensure wires have no
❑
chafing.
Hoses: Engine hoses should be firm and tight. Replace if hoses become spongy,
❑
brittle or delaminated. Check and tighten all hose clamps as needed.
❑ Vibration Isolators/Engine Mounts: Check vibration isolators, brackets and
mounting hardware. Replace as needed.
Heat Exchanger: Open heat exchanger end cap(s) and clean out debris. Replace
❑
gasket and O-rings if needed.
5.1.6 Every 500 Operating Hours or Yearly
Raw Water Pump: Remove the pump cover and inspect the pump assembly for
❑
wear, especially cam and wear plates. Replace the impeller and gasket. Lubricate the
impeller when re-assembling.
Exhaust System Catalyst: Inspect for proper operation. Replace at 500 operating
❑
hours, if needed.
5.1.7 Every 500 Operating Hours or Every Two Years
Ignition System: Inspect for deterioration.
❑
Coolant System: Drain, flush, and refill the cooling system with the appropriate
❑
antifreeze mix. Replace the thermostat and coolant pressure cap.
Valve Clearances: Adjust valves. Incorrect valve clearance will result in poor engine
❑
performance.
Starter Motor: Check solenoid and motor for corrosion. Remove and lubricate.
❑
Clean and lubricate the starter motor pinion drive using WD40 or equivalent.
24
page
Operator Manual for Gasoline Generators