Yanmar 4LHA-STZP Specifiche Scaricare il pdf (Pagina 39)

Always be on the look out for problems during engine operation.

Pay particular attention to the following.

(1) Is sufficient water being discharged from the seawater outlet pipe ?

If the discharge is small, stop the engine immediately, identify the cause and repair.

(2) Is the exhaust color normal ?

The continuous black exhaust smoke shows engine overloading.

This shortens the engine's life, so should be avoided.

(3) Are there abnormal vibrations or noise ?

Do not operate at speeds which produce violent vibrations.

Depending on the hull structure, engine and hull resonance may suddenly become great at a

certain engine speed range, causing heavy vibrations. Avoid operation in this speed range. If

you hear any abnormal sounds, stop the engine and inspect.

(4) Alarm buzzer sounds during operation.

If the alarm buzzer sounds during operation, lower the engine speed immediately, check the

alarm lamps, and stop the engine for repairs.

(5) Is there water, oil, or gas leakage, or are there any loose bolts ?

Check the engine room periodically for any problems.

(6) Is there sufficient oil in the fuel tank ?

Replenish fuel oil in advance to avoid running out of fuel during operation.

(7) When operating the engine at low speed for long periods of time, race the engine once

every 2 hours.

■Morse Remote Control Handle

Pull out the handle lever (MT-3) or the free

throttle button (MV) and shift the engine

speed from high to low several times.

Racing the engine removes carbon built up in

the combustion chamber and around the fuel

injection valve.

Neglecting to race the engine will become poor

snoke color and drop engine performance.

4.6 Check During Operation

Never turn off the battery switch or

spark the battery cable during opera-

tion. Damage to parts in the electric

system will result.

[NOTICE]

MT-3

Pull out the handle lever

Pull out free throttle button

Battery Switch (Local supply)

How to Race the Engine

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Yanmar 4LHA-STZP Specifiche Pagina 39