Westerbeke 9.0 BCG Technical Manual page 42

3. Adjust the valve clearances (engine cold).
4. Clean and regap each spark plug. Check distributor cap, rotor and point gap.
5. Check the condition of the zinc anode in the heat exchanger. Clean and replace the zinc anode as
needed. If the zinc anode is flaking, scrape it clean. Check that end of the heat exchanger which holds
the zinc anode for pieces of zinc and remove any in the heat exchanger.
6. Check the engine's belt tension, allowing a deflection between
3/8- to 1/2-inch along the widest span of the belt.
7. Clean the filter screen found in the base of the engine-mounted
electric fuel pump. Remove the base by placing a wrench on
the base's hex nut and twisting it loose. Be careful to catch
any gasoline that may leak from within the fuel pump. A
new base sealing gasket must be installed each time the pump
base is removed and reinstalled. Refer to the Parts List for the
proper part number. Maintain a spare fuel filter screen and
sealing gasket for use when needed.
8. Check hose clamps, fittings, nuts and bolts for security and
tightness.
9. Ensure that all electrical connections are secure and that they
posses the proper insulation material. Make sure that all wires,
both DC and AC, are protected from chafing.
10. Inspect the exhaust system for leaks. Repair any leaks im-
mediately.
11. Remove the carburetor's air filter!flame arrester and clean it in
kerosene if needed.
12. Clean and lubricate the linkage between the governor and the throttle. Ensure that the throttle moves
freely without binding.
13. Adjust the carburetor's choke if needed. The choke's index
mark is located on the lower right inboard side of the
choke's cover.
14. Adjust the engine belt driven governor to produce correct
no-load speed and regulation with load changes
if
needed.
Seasonal ServiCing
1. Change engine's lubrication oil and oil filter every 100 hours
of engine operation or once a season, whichever occurs first.
Maintain a spare oil filter for use when needed.
2. Clean the fuel filter screen in the electric fuel pump and the
inlet filter screen in the carburetor every 300 hours.
Westerbeke Generators
36