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Inspect this generator when operation is poor to determine the fault/malfunction. 

Request the authorized distributor where the generator was purchased to perform 

maintenance if you cannot find any faults/malfunctions during inspection. 

 

Problem 

Suspected cause 

Action 

Starter motor 

does not drive 

or speed is low 

1. Battery output is weak 

2. Battery is deteriorated 

3. Battery terminal is OFF or loose 

4. Battery terminal is corroded 

5. Starter switch or relay is defective 

6. Starter motor is defective 

7. ECU (Engine Controller) is defective 

1. Check battery fluid or charge 

2. Replace Battery 

3. Fix/Tighten terminal 

4. Clean terminal 

5. Ask our distributor to repair 

6. Ask our distributor to repair 

7. Ask our distributor to repair 

Starter motor 

drives but 

engine does 

not start 

1. Fuel is insufficient

 

2. Fuel filter is clogged 

3. Gauze filter is clogged 

4. Water is interfused in fuel line 

 

5. Air is interfused in fuel line 

6. Fuel pump defective 

 

7. Emergency operation/Fault detection 

1. Add fuel 

2. Clean/Replace fuel filter 

3. Clean/Replace gauze filter

 

4. Drain water in water separator, fuel filter 

or fuel tank 

5. Extract the air 

6-1. Check/Replace fuse 

6-2. Check/Replace fuel pump 

7. Ask our distributor to repair 

E

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 d

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 n

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s

ta

rt

 

<Ambient 

temperature 

falls down 

below zero> 

1. Fuel is frozen

 

2. Water in fuel line is frozen 

3. Pre-heater is defective 

1. Use winterized fuel 

2. Drain water in fuel line 

3. Ask our distributor to repair 

Engine starts but 

stalls immediately 

1. Fuel filter is clogged 

2. Gauze filter is clogged 

3. Water is interfused in fuel line 

 

4. Air is interfused in fuel line 

5. Air filter element is clogged 

6. Lubricant oil is insufficient 

7. Emergency operation/Fault detection 

1. Clean/Replace fuel filter 

2. Clean/Replace gauze filter

 

3. Drain water in water separator, fuel filter 

or fuel tank 

4. Extract the air 

5. Check/Replace air filter element 

6. Add lubricant oil 

7. Ask our distributor to repair 

Engine oil pressure 

is low 

1. Lubricant oil is insufficient 

2. Oil filter is clogged 

3. Oil Pressure switch is defective 

4. Oil pressure meter is defective

 

5. Wrong oil is used 

1. Add lubricant oil 

2. Replace oil filter

 

3. Ask our distributor to repair 

4. Ask our distributor to repair 

5. Change to proper kind and viscosity oil 

Overheated 

1. Engine thermostat is defective 

2. Water temp sensor is defective 

3. Water temp meter is defective 

4. Fan belt tension is weak 

5. Coolant is insufficient 

6. Radiator core is clogged 

1. Ask our distributor to repair 

2. Ask our distributor to repair 

3. Ask our distributor to repair 

4. Check/Adjust fan belt 

5. Check/Add coolant 

6. Clean radiator core 

Black smoke 

comes out from Muffler 

1. Air filter element is clogged 

2. Fuel injection nozzle is defective 

3. Improper fuel is used 

1. Check/Change air filter element 

2. Ask our distributor to repair 

3. Change to clean fuel 

Summary of Contents for DGM60MK

Page 1: ...ertical Water Cooled 4 Cycle Diesel Engine DGM60MK LU X750 020 73 0 X750801 370 0 CAUTION Do not operate the Generator or any other appliance before you have read and understood the instructions for u...

Page 2: ......

Page 3: ...ration Store this manual in a specified location where it will be secure and available for consulting at any time Order another copy from the authorized distributor where this generator was purchased...

Page 4: ...1 Load Cable Selection 17 7 2 Connecting Load Cables 18 8 Pre Operation Inspection 21 8 1 Checking Engine Oil 21 8 2 Checking Coolant 22 8 3 Checking the Fan Belt 23 8 4 Checking the Fuel 23 8 5 Chec...

Page 5: ...y when performing inspection or maintenance Do not suspend using tie downs Use of such could result in the generator falling Do not lift any additional weight such as fuel tanks or trailers No persons...

Page 6: ...ys be sure to stop the engine and allow the engine to cool when performing inspection or maintenance of engine oil Opening the oil gauge or oil filler cap during operation will result in hot oil gushi...

Page 7: ...enthesis Injury Part no X505 004630 Simul Phase Part no X505 006960 Caution gm spec LLC Part no X505 004650 Caution fire Part no X505 004880 Caution do not change Part no X505 004620 Injury Part no X5...

Page 8: ...ta V3800DI TI No of Cylinders bore stroke in mm 4 3 94 4 72 100 120 Continuous Rated Output hp 77 Rated Speed rpm 1800 Displacement Cu in liters 230 3 769 Combustion System Direct Injection Turbo char...

Page 9: ...nt temperature 5 to 104 F 15 to 40 C Relative humidity 80 or less Elevation 984 ft 300 m or less 3 Applications Power source for submerged pumps and similar civil engineering equipment Power source fo...

Page 10: ...eck Door Air Cleaner Coolant Sub Tank Engine Check Door Fuel Pre Filter External Tank Fuel Inlet External Tank Fuel Return Oil Drain plug Coolant Drain plug 3way fuel valve Radiator Plate Radiator Tie...

Page 11: ...e Speed Selector Switch Volt eter 13 Display Selector Switch Am eter 14 Available Output Monitor Frequency Meter 15 Fuel Meter Pilot Lamp 16 Hour Meter Voltage Regulator 17 Pre Heating Indicator Ammet...

Page 12: ...ans that usage has exceeded the rated capacity Immediately stop the equipment being used and reduce the load capacity of the equipment 5 2 Warning Indicators This generator is equipped with the follow...

Page 13: ...on will result in hot oil gushing out If the engine oil pressure drops below 7 psi 0 49 x 100 kPa during operation the OIL PRESS and ENGINE warning indicators light up and the engine automatically sto...

Page 14: ...uthorized distributor where the generator was purchased 5 3 Meters and Gauges Engine Meters and Gauges 1 Hour Meter Displays the operating time Use this as a rough estimate for managing the timing of...

Page 15: ...ltage meter value 2 Ammeter Displays the output current phase current of the generator Turn the ammeter selector switch to L1 U to display the output current of the three phase L1 phase and single pha...

Page 16: ...r selecting the tripping order of the three phase and single phase breaker when there is a short circuit or overload on the load side If the three phase or single phase breaker is selected for precede...

Page 17: ...e generator is equipped with the following in order to prevent liquid from spilling in case you forget to flush the liquid The operation panel is equipped with an indicator that lights up when its sen...

Page 18: ...e generator internal parts and the external fuel ports 6 Transporting Installing 6 1 Transport Procedures WARNING INJURY Do not suspend using tie downs Use of such could result in the generator fallin...

Page 19: ...ion area and take measures to prevent persons not involved in the construction from entering the area Position this generator on a hard flat and level surface that serves as the foundation Position th...

Page 20: ...e from the generator to the equipment using the generator NOTE Select cable with a thickness that ensures that the voltage drop across the cable will be within 5 of the rated voltage Load Cable Select...

Page 21: ...power source are all matching If using the N G terminal be careful that the currents of each phase are uniform If using three phase output simultaneously with a single phase three wire type output use...

Page 22: ...oad U W terminal voltage is 240 V U N G terminal voltage is 120 V W N G terminal voltage is 120 V For single phase 240 V load For single phase 120 V load Single phase 120 V receptacle single phase 240...

Page 23: ...erminals U N G and W N G connect an equivalent load between U N G and W N G If using a single phase three wire output terminal simultaneously with a receptacle output make sure that currents passing t...

Page 24: ...o that no oil remains and then re insert the dipstick fully Prior to starting the engine make sure to fill the engine oil through the oil filler so that it reaches the MAX line NOTE Wait approximately...

Page 25: ...hten the radiator cap Attach the radiator plate NOTE Use a 50 50 mix of Long Life Coolant LLC for engine coolant Use GM SPEC 6277M or equivalent Always use potable water when mixing the coolant Use LL...

Page 26: ...hten the alternator installation bolts and nuts two locations Check that the fan belt tension is correct 4 Replacing the Fan Belt Request the authorized distributor where the generator was purchased t...

Page 27: ...before operating Open the check door and check the inside of the spill containment Flush out any accumulated liquid Refer to section 10 Inspection Maintenance 8 Flushing Liquid in Spill Containment fo...

Page 28: ...ck the fluid level and add distilled 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...

Page 29: ...1 m or more from walls or other hindrances and on a level surface CAUTION NJURY Do not operate the generator if it has been modified or any parts have been removed Position the generator on a level s...

Page 30: ...ection and load power source are consistent Turn the three phase and single phase breakers on the operation panel to OFF and stop operation Turn the lever of the voltage selector switch to the desired...

Page 31: ...h an automatic air bleeding mechanism Perform the following procedures when the engine stops due to running out of fuel to easily bleed the air from the system Add fuel to the generator Turn the start...

Page 32: ...stopped or an indicator lamp lights up to stop the engine Protection Feature List No Action Abnormality Breaker Trip Engine Automatic Shutdown Warning Lamp Flash Cause 1 High Water Temperature Activa...

Page 33: ...m 0 to 10 ft 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 3way fuel valve...

Page 34: ...s Always be sure to use lifting hooks when suspending the generator and raise it slowly at a completely vertical angle Perform periodic inspection and maintenance according to the following table in o...

Page 35: ...ents Drain Main Pre fuel filter Replace Replace Fuel tank Drain water Water separator and Gauze filter Clean Clean Fuel tank Clean Check for leaks Fuel Oil Coolant Fuel hose Replace Air cleaner elemen...

Page 36: ...00 hours Drain the engine oil Refer to section 1 Engine Oil Replacement Remove the oil filter using a filter wrench Spread a thin layer of oil on a new oil filter gasket Thread the oil filter by hand...

Page 37: ...ow compressed air from inside the element If carbon or oil is adhering Replace with new parts 4 Draining Water from the Water Separator Check Daily Clean Every 200 hours Drain water when the float red...

Page 38: ...d reinsert the fuel drain plug with new packing with rubber seal NOTE Replace the packing of the fuel drain plug with new packing each time the water is drained Packing part no V106 000110 After reins...

Page 39: ...e plug hold the drain valve fixed using a spanner or similar tool and turn the plug If oil or other liquid is mixed in with the flushed liquid this indicates that there is an oil leak In such case che...

Page 40: ...inment reassemble the spill container with this generator by performing the above procedures in the reverse order Reassemble the fuel piping and wiring connector to their original positions NOTE After...

Page 41: ...38 Lifting Hook Wire Connector Bolt Spill Containment Fuel Line Inlet Side Fuel Line Return Side Wire Connector Bolt Fuel Tank Male Screw Nut Union Joint...

Page 42: ...Allow the generator to cool before covering with the protective cover CAUTION BURNS Do not touch the engine and surrounding components immediately after stopping the engine as they are still hot 1 Sto...

Page 43: ...of withstanding the double stacking weight Always be sure to use lifting hooks when suspending this generator Insert wood ties of the same size and that are wider than this generator between each gene...

Page 44: ...uel line is frozen 3 Pre heater is defective 1 Use winterized fuel 2 Drain water in fuel line 3 Ask our distributor to repair Engine starts but stalls immediately 1 Fuel filter is clogged 2 Gauze filt...

Page 45: ...ter is defective 2 AVR is defective 3 Voltage regulator dial is defective 1 Ask our distributor to repair 2 Ask our distributor to repair 3 Ask our distributor to repair Pointer exceeds the rated volt...

Page 46: ...43 13 Generator Circuit Diagram...

Page 47: ...44 14 Engine Electrical Circuit Diagram...

Page 48: ...2011...

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