Doosan GL08K, Руководство по эксплуатации и техническому обслуживанию

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Commissioning and Operation - 151 -
4.5. Tuning the Engine
The purpose of an engine tune-up is to restore power and performance that's been lost through wear,
corrosion or deterioration of one or more parts or components. In the normal operation of an engine,
these changes can take place gradually at a number of points, so that it's seldom advisable to attempt an
improvement in performance by correction of one or two items only. Time will be saved and more lasting
results will be obtained by following a definite and thorough procedure of analysis and correction of all
items affecting power and performance.
Economical, trouble-free operation can better be ensured if a complete tune-up is performed once every
years, preferably in the spring. Components that affect power and performance to be checked are:

Components affecting fuel injection ;
Ignition coil, spark plug, metering valve etc.

Components affecting Intake & exhaust ;
Air cleaner, inter-cooler, turbo charger, silencer, etc.

Components affecting lubrication & cooling ;
Air & oil filter, anti- freeze, etc.
4.6. Maintenance and Care
4.6.1. 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".)
4.6.2. 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.
At the end of the break-in period 1,000km (50hours), change the oil sump oil and replace the oil filter
cartridge.
4.6.3. Oil level gauge
Check the oil level in the engine sump daily
with a oil level gauge.

The notches in oil level gauge 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
oil level gauge replace the engine oil if
necessary.
EA4O4001