26
THE ENGINE MUST BE STOPPED IMMEDIATELY IF:
Possible Cause
Corrective Action
Engine speed suddenly
changes
• Check the fuel system and injection timing.
Unusual sound occurs
• Check all moving parts
Exhaust smoke or dark
emissions appear
• Check for loose or damaged parts
Bearing overheated
• Check for lubricating system leaks
Oil pressure warning light
comes on
• Check for lubricating system leaks
• Check for proper oil level
• Check the oil pressure relief valve
• Check the oil pressure switch
PROBLEM: ENGINE OVERHEATS
Possible Cause
Corrective Action
Low coolant level
• Check for and repair leaks. Add coolant.
Loose or broken fan belt
• Adjust or replace belt as required.
Anti-freeze concentration
too high
• Add water or replace coolant to achieve proper mix.
Cooling system dirty
• Flush and clean system.
Defective coolant tank cap
• Replace defective cap.
Faulty thermostat
• Check and replace thermostat
Defective temperature
gauge or sending unit
• Calibrate using thermometer and replace, if necessary.
Engine overload
• Reduce load. If overheating persists, check other causes.
Low oil level
• Check for oil system leaks. Check and adjust oil level.
Leaking head gasket
• Replace head gasket.
Fuel injection timing
• Check and adjust timing.
Unsuitable fuel
• Replace fuel with the clean fuel of the proper type and grade.
Summary of Contents for HDFN25F
Page 4: ...4 Fig 1 1 Lifeboat davit arrangement...
Page 5: ...5 Fig 1 2 1 Free Fall Lifeboat General Arrangement for NON Tanker Type...
Page 6: ...6 Fig 1 2 2 Free Fall Lifeboat General Arrangement for Tanker Type...
Page 31: ...APPENDIX A MARINE DIESEL ENGINE TYPE HB29D1 HB36D1...
Page 35: ...3 2 DIMENSIONS...
Page 48: ...16 STARTING SYSTEM TURN KEY TYPE...
Page 49: ...17 ALTERNATOR SYSTEM TURN KEY TYPE...
Page 50: ...18 GLOW SYSTEM TURN KEY TYPE...
Page 51: ...19 OIL WARNING SYSTEM TURN KEY TYPE...
Page 52: ...20 WATER TEMP WARNING SYSTEM TURN KEY TYPE...
Page 53: ...21 ENGINE STOP SYSTEM TURN KEY TYPE...
Page 63: ...31 ENGINE PART LIST TYPE HB29D1 HB36D1...