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Yanmar 3 QM 30 User Manual

Yanmar 3 QM 30
35 pages
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Your on-the-job Partner
MODEL
2 QM 20
3 QM 30
(F) (Y)
Abma's Jachtwerf
Eeltje Baasweg 4, 8606 KA Sneek.
Tel. 0515 - 419065.
OPERATION MANUAL
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Yanmar 3 QM 30 Specifications

General IconGeneral
BrandYanmar
Model3 QM 30
CategoryEngine
LanguageEnglish

Summary

Before Using The Engine

Fuel Handling

Use high-grade diesel oil and keep fuel cap clean.

Lubricating Oil Selection

Choose oil viscosity based on ambient temperature; avoid mixing oils.

Engine Running-in Procedure

Run in new engines for 50 hours without strain; retighten bolts after break-in.

Preparation Steps

Fuel Preparation

Fill fuel tank, open fuel cock, and check fuel injection.

Lubrication Preparation

Check oil level in crankcase/clutch case and lubricate parts like starter chain.

Engine Starting

Hand Starting Method

Instructions for starting the engine using the hand crank.

Electrical Starting Method

Steps for starting the engine using the electrical starter.

Operation Checks

Fuel Level Check

Check fuel level and add fuel before gauge shows emptiness.

Lubricating Oil Pressure

Check that the lubrication oil pressure warning lamp is out.

Engine Stopping

Stopping Procedure

Idle engine, then use speed control to stop; do not use decompression lever.

Air Venting Procedure

Periodic Maintenance Checks

Fuel Oil Maintenance

Regular checks and refills for fuel oil, including filter elements and injection.

Lubricating Oil Maintenance

Regular checks and changes for lubricating oil, including oil level and strainers.

Cooling Water Maintenance

Regular checks for cooling water circulation, impeller, thermostat, and anticorrosive zinc.

Sea Water Side Periodic Checks

Fresh Water Side Periodic Checks

Cooling System Handling Precautions

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