Yanmar 3GM30F Specifications Page 1

Maintenance of Pleasureboat Diesel Engine GM Series 1.Safety Precaution for Inspection 1) Battery Fluid Battery fluid is diluted sulfuric acid. It

Exhaust Alarm Lamp goes on Damaged cooling seawater pump Check seawater pump impeller. Faulty Alarm Device NOTICE Do not operate the engine if alarm

3.2 Lube oil 3.3 Cooling water (Fresh water cooling type) 1) 1) Selection of fuel oil Use the following diesel fuels or equivalents. Select fuels of

4.Maintenance and Inspection 4.1 Fuel Oil System 4.1.1 4.1.1 Checking and Supplying Fuel Oil Check the fuel level inside the fuel tank and supply

4.2.2Check and supply of Marine gear oil 1. Check the marine gear oil level with the oil dipstick. 2. Supply with the recommended oil if necessary.

4.2.4 Replacing the Marine Gear Lube Oil Replace the lube oil in the marine gear by using the procedure described above. Replace first • • aft

4.3.2 Checking discharged from the seawater outlet pipe Check that sufficient cooling water is discharged from the seawater outlet pipe. Operation

Replace the anti-corrosive zinc when it has been reduced to less than 1/2 of its original size. If there is only a little bit of wear, clean the

The remote control handles and the engine control levers are connected by an accelerator cable. Over time the cable becomes stretched and the connecti

Firing order - 1-2-1 1-3-4-2-1 Valve clearance Suction • • 0.2±0.03 Exhaust • • 0.2±0.03 Injection timing (FID) bTDC 15°±1 bTDC 15°±1