36 Crafted with CRAFTSMAN MARINE
Problems and solutions
Problem
6. Engine becomes
overheated
7. Not all cylinders are
performing well
8. Engine has little or no
oil pressure
9. Engine oil cumsump-
tion excessive
• Level of cooling liquid too low
• Raw water seacock closed
• Raw water strainer clogged
• Leakage in raw water entry system
• Defective thermostat
• Cooling liquid pump defective
• Defective impeller of raw water pump
• Defective injector / injector pump
• Oil level too high
• Oil level too low
• Defective oil filter
• Air in the fuel system
• Fuel filter clogged up by water and/or dirt
• Leakage in fuel supply line or fuel injection line
• Defective injector / injection pump
• Fuel line clogged
• Incorrect valve tolerance
• Filter of electrical fuel lift pump clogged
• Defective electrical fuel lift pump
• Oil level too low
• Clogged oil filter
• Defective oil pump
• Excessive inclination angle of engine
• Incorrect SAE-specification or quality of lubrication oil
• Oil pressure apparently too low on account of defective oil pressure
switch,sensor or gauge
• Oil level too high
• Excessive inclination angle of engine
• Incorrect SAE-specification or quality of lubrication oil
• Leakage in lubrication oil system
• Excessive wear and tear to cylinder or piston
• Insufficient supply of combustion air
• Overload of engine
• Check/top up
• Check and open
• Check / clean
• Check / tighten / replace
• Check / replace
• Check / replace
• Check / replace
• Check and clean or replace if necessary
• Lower oil level
• Top up
• Replace
• In all these cases, please consult your authorized dealer
and ask him to solve the problem
• To up till corect oil level
• Replace
• Repair / replace
• Check / adjust alignment
• Replace by good quality engine lubricating oil
• Replace defective component
• Lower the oil level
• Check / adjust alignment
• Replace by good quality lubricating oil
• Repair / replace
• Check compression; overhaul engine, if needed
• Check air inlet and ventilation openings in engine room
• Check the dimensions of the boat propeller
Solution
Probable cause
11
Содержание CM4.65
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Страница 48: ...Crafted with craftsman marine ZD 010 016 2 1 04 12 info craftsmanmarine com www craftsmanmarine com ...