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OWNER

S AND OPERATOR

S MANUAL 

 

 
 
 
 
 

 

 
 
 
 
 

Vertical, Water-Cooled 4-Cycle Diesel Engine 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 

DG150MM-400 

X753-007 92 0

 

X753801-320 0 

 

CAUTION

 

Read this manual and familiarize yourself with this contents for your safety. Do not 
operate or maintain this product unless you fully understand followed by the content 
in this manual. 

 

Summary of Contents for DG150MM

Page 1: ...Cycle Diesel Engine DG150MM 400 X753 007 92 0 X753801 320 0 CAUTION Read this manual and familiarize yourself with this contents for your safety Do not operate or maintain this product unless you ful...

Page 2: ......

Page 3: ...will be secure and available for consulting at any time Order another copy from the authorized distributor where this generator was purchased if this manual becomes dusty grimy or torn Consult with th...

Page 4: ...17 7 1 Load Cable Selection 17 7 2 Connecting Load Cables 17 7 3 Earth Leakage Relay and Grounding 19 8 Pre Operation Inspection 20 8 1 Checking Engine Oil 21 8 2 Checking Coolant 21 8 3 Checking the...

Page 5: ...made after the engine is stopped Whenever the Earth leakage relay is activated you should always repair the leaking place first of all Always be sure to stop the engine and remove the starter key bef...

Page 6: ...not touch the engine and surrounding components immediately after stopping the engine as they are still extremely hot Do not open the radiator cap immediately after stopping the engine Doing so will r...

Page 7: ...current of the cable The voltage drop between cables is large if the cable is excessively long or thin resulting in decreased input voltage to equipment using the generator thereby causing decreased...

Page 8: ...system Direct Fuel Injection Turbocharged with Intercooler Cooling method Radiator Lubricating method Forced lubrication Starting method Electric start Fuel Diesel Fuel ASTM No 2 D Lubricant oil CD or...

Page 9: ...elsius Relative humidity 85 or less Elevation 300m or less 3 Applications Power source for submerged pumps and similar civil engineering equipment Power source for lighting and similar equipment Power...

Page 10: ...Radiator Intercooler Coolant Sub Tank Oil Level Indicator Oil Filter Inside Fuel Filter Main Battery Alternator Check Door Oil Drain Plug Oil Drain Valve Inside Water Separator Pre Fuel Filter Externa...

Page 11: ...ution Lamp Voltmeter Preheat Lamp Ammeter Voltage Regulator Frequency Meter Ammeter Selector Switch Water Temperature Gauge Starter Switch Fuel Gauge Throttle Lever Hour Meter Frequency Adjust Screw P...

Page 12: ...9 4 3 Output Panel Part Names 3 Phase Output Terminal R 3 Phase Output Terminal O 3 Phase Output Terminal S Earth Leakage Terminal 3 Phase Output Terminal T Bonnet Grounding Terminal...

Page 13: ...tank If the coolant temperature rises above 100 C during operation the WATER TEMP and ENGINE warning indicators illuminates and the engine automatically stops If this occurs hot steam will gush out o...

Page 14: ...ER Air Cleaner Clogging Warning Indicator The AIR FILTER warning indicator illuminates if the air cleaner element becomes clogged during operation If it is illuminated immediately stop the engine and...

Page 15: ...splay the frequency of the generator Please check it showing 50Hz or 60Hz during operation Lamps 1 Preheat Lamp Turn the starter switch to the PREHEAT position The glow lamp converts to red after appr...

Page 16: ...position during operation This position is also used during cold season to preheat GlowPlug Note Do not leave the switch to this position while the engine is stopped Otherwise the battery is discharg...

Page 17: ...er The throttle lever is to adjust the engine speed Set the lever to IDLING position when the engine starts and warms up or cools down When the rated power is used set the lever to RUN 50 or 60Hz 3 Fr...

Page 18: ...et and the external fuel return Change the lever of the 3 way valve to the B side to supply fuel from the external tank Ref 9 5 Connecting with External Fuel Tank 6 Transporting Installing 6 1 Transpo...

Page 19: ...generator Do not connect the generator output to indoor wiring If installing this generator set up barriers or fencing completely around the boundary line of the construction area and take measures to...

Page 20: ...le Selection Tables Ex If used voltage is 440V and voltage drops by 22 V 3 phase Cabtyre cables Unit AWG Length 100 ft 30 m or less 200 ft 61 m 300 ft 91 m 400 ft 122 m 500 ft 152 m 600 ft 183 m Curre...

Page 21: ...s when connecting a load to sufficiently tighten the connection Failure to sufficiently tighten the connection will result in cable burnout 1 3 Phase Output Terminal For 3 phase load Terminal voltage...

Page 22: ...w Grounding resistance 500 or below Sensitive time Within 0 1 sec 1 Grounding Work The qualified electrician should perform the grounding of the following 3 points 500 or below The Bonnet grounding te...

Page 23: ...as been activated the earth leakage indicator turns ON and the breaker lever is tripped and positioned in the middle between ON and OFF When this occurs stop the engine and repair the location of eart...

Page 24: ...ge 1 Engine Oil Only use API Service Classification CD or CF 4 class 2 Engine Oil Viscosity Use a diesel engine oil with an appropriate viscosity corresponding to the ambient temperature refer to the...

Page 25: ...io unless necessary Doing so could result in overheating or another fault malfunction When replenishing LLC be sure to use the same brand as the LLC remaining in the radiator and sub tank Never use an...

Page 26: ...he Fan Belt Contact a local dealer to replace the fan belt Note Slick spots can cause a belt to slip and may be precursors to overheating and cracking NEVER operate the generator without the belt guar...

Page 27: ...tilled water when it is near the lower level until it reaches the upper level Check the terminals for looseness and tighten if loose Note It is necessary to recharge the battery when the specific grav...

Page 28: ...ly ventilated areas such as an indoors or tunnels as the exhaust gas of the engine contains substances that are harmful to human health Do not direct exhaust fumes at bystanders or buildings WARNING I...

Page 29: ...the frequency selector switch and actual output shall be reconciled otherwise it cannot preserve the rated voltage Set the throttle lever to IDLING Turn the starter switch to START and start the engin...

Page 30: ...ers the fuel system it must be expelled in accordance with the following procedure before the engine can be started It is not sufficient only to fill the fuel tank Refuel Turn the starter switch to RU...

Page 31: ...erator is equipped with functions to automatically stop operation when there is a fault malfunction during operation and one to warn the operator of the fault location by use of indicator lamps Check...

Page 32: ...rnal fuel tank from 0 to 3 m from the underside of this generator The fuel level of the external fuel tank being lower than this generator will result in poor engine operation or stoppage Turn the 3 w...

Page 33: ...a completely vertical angle Perform periodic inspection and maintenance according to the following table in order to constantly maintain this generator in good working condition Use the hour meter as...

Page 34: ...ace Fuel tank Drain water Fuel tank Clean Clean gauze filter in engine feed pump Clean Check for leaks Fuel Oil Coolant Fuel Cooling Water Oil Hoses and Anti Vibration Rubber Replace or 1 year Air fil...

Page 35: ...e Oil Filter Fist time 60 hrs Thereafter Every 500 hrs Drain the engine oil Ref 1 Engine Oil Replacement Place a suitable pan under the oil filter to collect receive the oil when it is drained out Rem...

Page 36: ...Replace with new parts 4 Draining Water from the Water Separator Check Daily Clean Clean every 250hrs or when the warning lamp WATER SEPARATOR is blinking Turn the selector lever mounted the inlet ho...

Page 37: ...5 kgf m Air bleeding plug tightening torque 8 12 N m 0 8 1 2 kgf m Outer case tightening torque 18 22 N m 1 8 2 2 kgf m Do not overtorque the drain plug and air bleeder plug Turn the selector lever mo...

Page 38: ...table pan under the drain plug Remove the fuel drain plug together with a packing Turn and open the fuel drain valve and drain the water Close the drain valve after drained Retighten the fuel drain pl...

Page 39: ...e carbon will be easier to be accumulated when the unit runs at less than 30 of rated output Accumulation of carbon soot unburned fuel in the exhaust system could cause only a system decrease or an en...

Page 40: ...or if it is not going to be used for two months or more Remove the battery Ref 8 6 Checking the Battery Replacing the Battery Replace the engine oil Ref 10 Inspection Maintenance 1 Engine Oil Replacem...

Page 41: ...operating Do not open the check door during operation Keep away from moving parts such as cooling fan and fan belt Always be sure to stop the engine and remove the starter key when performing inspecti...

Page 42: ...r piping connection to external fuel tank 5 Air filter element is clogged 6 Lubricant oil is insufficient 7 Emergency operation Fault detection 1 Clean Change fuel filter 2 Drain water in water separa...

Page 43: ...tage meter is defective 2 AVR is defective 3 Improper load cable connection 1 Ask our distributor to repair 2 Ask our distributor to repair 3 Correctly set the connection location to the output termin...

Page 44: ...41 13 Generator Circuit Diagram 1 400 440V...

Page 45: ...42 2 200 220V...

Page 46: ...43 14 Engine Electrical Circuit Diagram...

Page 47: ...44...

Page 48: ...2019...

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