4. Maintenance & Inspection I 4.3 Periodic Inspection Items (2) Replacing the Clutch Lube Oil (1st time) During Initial operation, the oil is quickly contaminated due to the initial wear of 4.3.1 Inspection on Initial 50 Hrs. of Operation (or after 1 Month) internal parts. The lube oil must therefore be replaced early. 1. Remove the cap from the filler port and attach the oil drain pump. Drain off oil. 2. Fill with new lube oil. (See 3.2. 3) 3. Perform a trial run and check for oil leakage. (1) Replacing the Engine Lube Oil and Lube Filter (1st time) During initial operation of the engine, the oil is quickly contaminated due to the initial wear of internal parts.
The lube oil must therefore be replaced early. Replace the lube oil filter at the same time. It is easiest and most effective to drain the engine lube oil after operation while the engine is still warm. (3) Draining the (optional) Fuel Tank Open the drain cock and drain off any water or dirt collected on the bottom. Put a pan under the drain to catch the fuel. Once the water and dirt has been drained off and the fuel coming out is clear, close the drain cock. 1. Remove the lube oil dipstick. Attach the oil drain pump and drain off oil. 2. Remove the lube oil filter with the filter detach/attach tool. \furn to the left.) 3.
Clean the filter installation face and attach the new fllter, tightening by hand. 4. Turn an additional 3/4 of a turn with the attachment tool. \furn to the right. Tightening torque: 20 - 24 Nm) 5. Fill with new lube oil. (See 3.2. 2) 6. Perform a trial run and check for oil 4.3.2 Inspection Every 50 Hours (or Monthly) (1) Draining the Fuel Filter 1 . Close the fuel oil cock. 2. Remove the fuel filter cover and drain off any water and dirt collected inside. 3. After reassembly, be sure to vent air leakage. 7. Approximately 10 minutes after stopping the engine, remove the oil dipstick and check the oil level. Add oil if the level is too low. from the fuel system.
(See 3.3.2(3)) (2) Inspection and Adjustment of Intake/ Exhaust Valve Clearance (1st time) Settling of a new engine and individual engine use will cause changes in the .A CAUTION Beware of oil splashes if extracting the lube oil while it is hot. intake/exhaust valve and rocker arm clearance, and adjustment is necessary. This adjustment requires specialized knowledge and techniques. Consult your Yanmar dealer or distributor. 37