Yanmar 6HYM-WET User Manual

Explains warning signs used in the manual and on the product for hazard identification.

Details safety measures for operating the engine, covering burns, ventilation, and fire hazards.

Outlines crucial safety guidelines to follow during engine maintenance procedures.

Details the position and meaning of warning labels affixed to the engine for safe operation.

Provides essential safety instructions and guidelines for safely lifting and handling the engine.

Explains the location and importance of engine nameplates for identification and servicing.

Illustrates and labels the key components of the engine on both operation and non-operation sides.

Details the specifications and quality criteria for the fuel oil used in the engine.

Provides guidelines for selecting and using lubricating oil, including service categories and viscosity.

Covers coolant selection criteria, water quality, and recommendations for long-life coolant (LLC).

Explains the fuel system setup and safety precautions for filling the fuel tank.

Provides a step-by-step procedure for removing air from the fuel system.

Details the procedure for checking and filling the engine lubricating oil to the correct level.

Guides on filling the engine's cooling system with coolant and securing components.

Describes the procedure for starting the engine, including pre-start checks and starter switch operation.

Explains the procedure for starting the engine in cold conditions using the air heater.

Advises on monitoring critical parameters like cooling water, coolant temperature, and exhaust gas during operation.

Details the correct procedure for stopping the engine, including after-no-load running and key switch operation.

Provides instructions for storing the engine for extended periods and operating it after storage.

Explains how to wash the turbocharger's pre-filter to maintain engine output.

Presents a schedule outlining maintenance items and their service periods based on operating hours.

Covers maintenance of the cooling system, including seawater and coolant aspects.

Outlines procedures for fuel level checks, tank draining, and filter/separator element replacement.

Describes oil level checking, oil filter replacement, and engine oil change procedures.

Details adjustments and checks for throttle and shift control cables for proper operation.

Covers checks for alarm devices, battery fluid level, and alternator drive belt tension.

Focuses on coolant level checking, leakage, and system cleaning procedures.

Instructions for clearing the turbocharger and checking its joint areas.

Guidance on the replacement of injection nozzles and consultation with dealers.

Information on adjusting valve clearance, referring to dealer consultation.

Lists common causes and countermeasures for engine starting failures, including flywheel issues.

Discusses causes of black exhaust smoke, such as overload or fuel issues, and their remedies.

Addresses low lubricating oil pressure, identifying causes like filter clogs or leaks and providing countermeasures.

Explains reasons for high coolant temperature, including water shortages or pump failures, and their solutions.

Covers potential causes for unexpected engine stoppage, such as fuel issues or component seizure.

Presents the wiring diagram for the standard 24V engine negative ground connection type.

Highlights the durable construction and protective features of the optional bilge pump.