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6 Maintenance and care
6.1 Periodical inspection and maintenance
In order to Insure maximum, trouble-free engine performance at all times, regular inspection, adjustment
and maintenance are vital.
• Daily inspections in below figure should be checked every day.
• The maintenance should be executed thoroughly at regular internals, (refer to appendix “General
Engine Inspection Cycle”.)
6.2 Lubrication system
6.2.1 Exchanging of lubrication oil
Engine oil and the oil filter are important factors affecting engine life. They affect ease of starting, fuel
economy, combustion chamber deposits and engine wear. Refill and drain oil pan every 50 hours of
operation or 6 months whichever occurs first. At the end of the break-in period (50 hours), change the oil
sump oil and replace the oil filter. Be sure to fill oil in the filter during replacement.
6.2.2 Oil level
Check the oil level in the engine sump daily with a dipstick.
• The notches in dipstick must indicate the oil level between the max. and the min. permissible.
• The oil level should be checked with the engine horizontal and only after it has been shut down for
about 5 minutes.
• Examining the viscosity and the contamination of the oil smeared at the dipstick replace the engine
oil if necessary.
Caution : Do not add so much engine oil that the oil level rises above the max. marking on the
dipstick. Over lifting will result in damage to the engine.
6.2.3 Oil exchange procedure
While the oil is still hot, exchange oil as follows:
• Take out the oil dipstick.
• Remove the drain valve from oil pan and the drain plug form oil filter head, then drain out the engine oil
into a container.
• Reassemble the drain valve with the oil pan and the drain plug with oil filter head after draining out the
engine oil.
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