Daedong 3A165D User Manual (English)

Questions and Answers:

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Blake AndradeAug 18, 2025
Why is the oil pressure low in my Daedong 3A165D Engine?
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  Joshua WilliamsAug 18, 2025
  Low oil pressure in your Daedong Engine can stem from several causes. First, ensure the engine oil level is sufficient and replenish if needed. Check the oil strainer for clogs and clean it. Replace a clogged oil filter cartridge. The relief valve might be stuck with dirt, requiring cleaning, or its spring may be weakened or broken, needing replacement. Excessive oil clearance in the crankshaft bearing, crank pin bearing, or rocker arm bushing may necessitate replacement. A closed oil passage needs cleaning. Ensure you are using the specified type of oil. Finally, the oil pump itself might be defective, requiring repair or replacement.
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James FreemanAug 21, 2025
What to do if my Daedong 3A165D emits black or dark gray exhaust gas?
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  williamsrobertAug 21, 2025
  If you observe black or dark gray exhaust gas from your Daedong Engine, it could be due to several reasons. You might be overloading the engine, so lessen the load. Ensure you are using the specified fuel, as low-grade fuel can cause this issue. A clogged fuel filter or air cleaner can also be the culprit, so clean or replace them as needed.
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angelica68Aug 25, 2025
Why is my Daedong Engine emitting white or blue exhaust gas?
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  Jody HarrisAug 25, 2025
  If your Daedong Engine is emitting white or blue exhaust gas, it could be due to excessive engine oil, so reduce it to the specified level. Worn or stuck piston rings and bore may also be the cause, requiring repair or replacement. Incorrect injection timing can lead to this issue, so adjust it. Finally, deficient compression can be a factor, so adjust the top clearance.
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William BergAug 27, 2025
How to troubleshoot deficient output in my Daedong 3A165D?
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  Nathaniel MirandaAug 27, 2025
  If your Daedong Engine has deficient output, it could be due to several reasons. The injection timing might be incorrect, so adjust it. The engine’s moving parts might be seizing, requiring repair or replacement. Uneven fuel injection could be the issue, so repair or replace the injection pump. Deficient nozzle injection can also cause this, so repair or replace the nozzle. Finally, a compression leak could be the cause, so replace the head gasket and tighten the cylinder head screw and nut, glow plug, and nozzle holder.
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Ashley MartinAug 30, 2025
What causes a Daedong 3A165D Engine battery to quickly discharge?
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  kimberly66Aug 30, 2025
  If the battery in your Daedong Engine is quickly discharging, there are several potential causes. The battery electrolyte might be insufficient, so replenish distilled water and charge it. A slipping fan belt can also cause this, so adjust the belt tension or replace it. Check for disconnected wiring and connect it. The regulator or alternator might be defective, requiring replacement. Finally, the battery itself might be defective and need replacing.
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Heather MillerSep 2, 2025
What causes excessive lubrication oil consumption in a Daedong 3A165D?
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  Charles HamiltonSep 2, 2025
  Excessive lubrication oil consumption in your Daedong Engine can be attributed to several factors. The piston ring's gap might be facing the same direction, so shift the ring gap direction. A worn or stuck oil ring will need replacement. A worn piston ring groove also requires replacement. Similarly, worn valve stems and guides should be replaced. Lastly, worn crankshaft bearings and crank pin bearings also need replacement.
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Michael WalkerSep 5, 2025
What causes high oil pressure in a Daedong 3A165D?
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  Molly WoodSep 5, 2025
  High oil pressure in your Daedong Engine can be caused by using an improper type of oil, so use the specified type of oil. Also, the relief valve may be defective and need replacement.
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Dean SotoSep 8, 2025
Why is fuel mixed into the lubricating oil in my Daedong 3A165D?
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  Anna SimonSep 8, 2025
  If fuel is mixing into the lubricating oil of your Daedong Engine, it could be due to a worn injection pump plunger, so replace the pump element or pump. Alternatively, the fuel transfer pump might be broken, requiring replacement.
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stephanie75Sep 12, 2025
What to do if water mixed into lubricating oil in Daedong Engine?
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  Melissa BlevinsSep 12, 2025
  If water is mixed into the lubricating oil of your Daedong Engine, it could be due to a defective head gasket, so replace it. Alternatively, the cylinder block or cylinder head might be flawed and need replacement.

Daedong 3A165D Specifications

General

Engine Model	3A165D
Number of Cylinders	3
Cooling System	Water-cooled
Governor Type	Mechanical
Engine Type	Diesel, 4-cycle, Water-cooled
Displacement	1647 cc
Lubrication System	Forced lubrication by gear pump
Starting System	Electric starter