Shindaiwa DGA12DM Owner's And Operator's Manual
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Shindaiwa DGA12DM Owner's And Operator's Manual

Diesel engine generator
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OWNER
S AND OPERATOR
S MANUAL
Vertical, Water-Cooled 4-Cycle Diesel Engine
CAUTION
Do not operate the Generator, or any other appliance, before you have read and understood
the instructions for use and keep near for ready use.
DGA12DM
X753-008 75 0
X753801-600 0

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Summary of Contents for Shindaiwa DGA12DM

  • Page 1 S AND OPERATOR S MANUAL Vertical, Water-Cooled 4-Cycle Diesel Engine CAUTION Do not operate the Generator, or any other appliance, before you have read and understood the instructions for use and keep near for ready use. DGA12DM X753-008 75 0 X753801-600 0...
  • Page 3 Introduction Thank you for purchasing this Shindaiwa soundproof diesel engine generator.  This manual has been created to ensure safe usage of this generator. Be sure to read this manual before operation. Improper operation/handling of this generator will result in an accident or malfunction.

  • Page 4: Table Of Contents

    Table of Contents 1. Safety Guidelines ························································································· 1 2. Specifications ······························································································ 5 2-1. Data ······································································································ 5 2-2. Ambient Condition ···················································································· 6 3. Use ············································································································ 6 4. Parts (Components) ······················································································ 6 4-1. Outer and Main Components ······································································ 6 4-2. Operation Panel ······················································································· 7 4-3.

  • Page 5: Safety Guidelines

    1 Safety Guidelines WARNING : EXHAUST GAS POISONING  Do not operate the generator in poorly ventilated areas such as 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 : ELECTRIC SHOCK ...
  • Page 6 CAUTION : FIRE  Do not carry flammable items (such as fuel, gas and paint) or items that are highly combustible near the generator as the muffler, exhaust gas and other parts become extremely hot.  Position this generator 3 ft. (1 m) or more from walls or other hindrances, and on a level surface.
  • Page 7 CAUTION : INJURY  Always be sure to use Lifting Hook when lifting up the generator, and slowly lift it straight up.  Personnel performing lifting work must wear protective gear such as helmets, safety shoes and gloves. Position the generator on a level stable surface so that it cannot slide or move in any manner. ...
  • Page 8  Warning / Caution Label Locations When warning / caution labels become unreadable or damaged, place new labels at the appropriate locations as specified in the following figure. When ordering the labels, use the following part numbers. 1. Injuries ····································· (Part no.: X505-004630) 2.

  • Page 9: Specifications

    2 Specifications 2-1. Data Unit DGA12DM Generating Method Rotating Filed, Brushless 3-Phase Synchronous Generator Rated Output Rated Voltage Rated Current 16.7 Rated Frequency Rated Speed 1500 Phase & Wiring 3-Phase 4-Wire Power Factor Insulation Class Exciting Method Self Excitation(Brushless) Poles...

  • Page 10: Ambient Condition

    2-2. Ambient Condition Be sure to use the equipment under the following ambient condition range. Otherwise the condition may cause damage, insufficient output or durability shortage to the equipment. ■ Ambient: Temperature: from -15 to 40 degree Celsius ■ Relative: Humidity: less than 80% ■...

  • Page 11: Operation Panel

    Accessories Fuse (5A) Owner’s Manual Fuse (50A) Fuse (10A) Nipple (2 pieces) 4-2. Operation Panel Main Circuit Breaker Throttle Switch Controller Voltage Regulator Emergency Stop Button Power Switch / Air Bleeding 3-Phase Breaker Battery Isolator 1-Phase Breaker...

  • Page 12: Output Panel (Side Door)

    4-3. Output Panel (Side Door) Output Terminal Cover 1-Phase RCCB 3-Phase RCCB 3-Phase Receptacle (20A) 1-Phase Receptacle (15A) Bonnet Grounding Terminal...

  • Page 13: Equipment

    5 Equipment 5-1. Controller This generator has a Controller which is used for starting or stopping the power generator or the engine, for monitoring. If you turn the Power Switch to ON position, the status Screen appears. (1) Front panel elements ①...
  • Page 14 ⑤ HORN RESET button Use this button deactivate the horn output without acknowledging the alarms. ⑥ FAULT RESET button Use this button to acknowledge alarms and deactivate the horn output. Inactive alarm will disappear immediately and status of active alarms will be changed to “confirmed” so they will disappear as soon as their reasons dismiss.

  • Page 15: Switches

    5-2. Switches Power Switch / Air Bleeding This is the main Power Switch of the generator. When the Power Switch turned to OFF position, the Controller is OFF. When the Power Switch turned to AIR BLEEDING position, automatically starts air-bleeding device. (2) Emergency Stop Button This button is used to stop the engine in emergency.

  • Page 16: Voltage Regulator

    (5) 3-Phase Residual Current Circuit Breaker (3P RCCB) 1-Phase Residual Current Circuit Breaker (1P RCCB) Each receptacle, 3-Phase and 1-Phase is incorporated with RCCB respectively. When current leak occurs, it trips to stop power transmission to load. 1P RCCB 3P RCCB <...

  • Page 17: Fuel Line Changeover Valve (3-Way Valve)

    5-4. Fuel Line Changeover Valve (3-way valve) CAUTION : Fire  Always stop the engine when performing any work on the fuel line.  Always wipe any drip of Diesel fuel or engine oil. Do not use this equipment, when a leak is found. Repair the equipment before use. ...

  • Page 18: Transportation And Installation

    6 Transportation and Installation 6-1. How to transport WARNING : Injuries  When lifting the equipment, always use a lift hook.  Never use roping lug for lifting the unit, for it may cause equipment to drop. (1) Lifting the equipment Always use a Lift lug, when lifting Lifti the equipment for transportation.

  • Page 19: Installation

    6-2. Installation WARNING : Suffocation from exhaust gas  Exhaust fumes from the engine contains many elements harmful to humans. Do not operate this equipment in poorly ventilated area, such as inside a room or in a tunnel CAUTION : Suffocation from exhaust gas ...

  • Page 20: Connecting Load

    7 Connecting Load 7-1. Select Load Cable Select the cable with proper gauge, based on its allowable amperage and the distance between the generator and the machinery to be connected. CAUTION : Damage to properties  If the load exceeds the allowable amperage, the damage to the cable may be damaged in overheating.

  • Page 21: Connecting Load Cable

    7-2. Connecting Load Cable WARNING : Electric Shock  Before connecting or disconnecting a load cable from output receptacles, always turn a circuit breaker to OFF position, stop the engine, and turn the Power Switch to the OFF position. CAUTION : Fire ...

  • Page 22: Rccb And Grounding

    7-3. Residual Current Circuit Breaker (RCCB) and Grounding WARNING : Electric Shock  Ground the every grounding terminal to the earth as set in the manual. If even one of all is unconnected by mistake or accident, it will be much more dangerous for human than the NO-RELAY case, because leaking current inevitably goes through the body.
  • Page 23 (2) Operation Check WARNING : Electric Shock / Injuries  Before turning Breaker or RCCB to ON position, ensure that the breakers or the switches of loads are positioned to OFF. You should communicate well with the electrician by the load side when operating Breaker or RCCB.
  • Page 24 (3) Residual Current Circuit Breaker (RCCB) has activated. When the RCCB has activated, repair the leakage point and restore it by the following procedure. (Overload happens when the breaker activates but the Residual Current Circuit Breaker does not activate.) Turn the 3-Phase RCCB to ON to restore. Turn the 1-Phase RCCB to RESET to restore.

  • Page 25: Initialization And Pre-Check

    8 Initialization and Pre-check WARNING : Electric Shock / Injuries  Before performing any equipment check or maintenance, stop the engine, and turn the Power Switch to the OFF position. CAUTION : Fire / Burns  When checking engine, always stop the engine, and keep away from fire. Wait until the engine cools down, before performing any checks.

  • Page 26: Checking Coolant / Water

     Viscosity and temperature SAE20/20W SAE40 SAE10W SAE30 SAE10W-30 SAE15W-40/20W-40 (2) Replacing Engine Oil Volume (Unit: Liter) Lubrication Oil (including the oil in filter) 7.3 (0.3) Value in ( ) shows the oil in filter 8-2. Checking Coolant / Water WARNING : Injuries ...
  • Page 27 (2) Checking coolant in Sub Tank / Adding coolant Over Flow Sub Tank Hose Check to see if the water/coolant level is between MAX and MIN line in the Sub Tank. Fill up to the MAX line, if the water/coolant level is low.

  • Page 28: Checking Fan Belt

    8-3. Checking Fan Belt WARNING : Injuries  Before performing any equipment check or maintenance, stop the engine, and turn the Power Switch to the OFF position.  Close and lock all doors during operating this equipment, to avoid injuries by unintentionally touching cooling fan and fan belt.

  • Page 29: Checking Fuel, Engine Oil, And Coolant Leakage

    This blended fuel is usually called also No.2-D. It can be used in colder temperature than N0.2- D fuel, which has not been winterized. Check with service station operator to be sure you can get the proper blend fuel.  Fuel requirements: NOTICE: The fuel injection pump, injector or other parts of the fuel system and engine can be damaged if you use any fuel or fuel additive other than those specifically recommended by Kubota.

  • Page 30: Checking Battery

    8-6. Checking Battery CAUTION : Injuries to eyes and skin  Battery fluid contains diluted sulfuric acid. Avoid contact with eyes, skin or on clothing. If the acid comes in contact, especially with eyes, flush with a lot of water, and contact physician or doctor immediately. CAUTION : Explosion ...

  • Page 31: Operation

    9 Operation 9-1. Initialization and Preparation WARNING : Suffocation from exhaust gas  Exhaust fumes from the engine contains many elements harmful To humans. Do not operate this equipment in poorly ventilated area, such as inside a room or in a tunnel CAUTION : Suffocation from exhaust gas ...
  • Page 32 Let engine idles for approximately 5 minutes. Turn the Throttle Switch to RUN position. Ensure that the tachometer shows the following frequency at no load. No Load Frequency (Revolving Speed) 50Hz RUN 50Hz (about) (1500min < Note >  By setting frequency to the above frequency under no load, 50Hz(almost) will be obtained at the rated output load.

  • Page 33: Procedures During Operation

    9-2. Procedures during Operation (1) Checks after Startup  Make sure that the controller is in normal status.  Check that there is no abnormal vibration or noise.  Check that the exhaust gas color is normal. When operation is normal, the exhaust gas should be colorless or slightly bluish.

  • Page 34: Stopping

    9-3. Stopping Turn the switch on the equipment and the circuit breaker on the load to OFF. Turn every circuit breaker to OFF position. Turn the Throttle Switch to IDLING position. Let engine idles for approximately 3 minutes. (for cool down) Press the Stop button to shut off the engine.

  • Page 35: Protection Functions

    9-4. Protection Functions WARNING : INJURY  Do not open the check door when the Power Switch is in the ON position. It will cause injury by rotating parts such as cooling fans and fan belt.  Always turn the Power Switch to the OFF position and stop the engine, then close and lock OPERATION PANEL DOOR before checking or maintaining the engine or any equipment.

  • Page 36: Connecting To External Fuel Tank

    9-5. Connecting to External Fuel Tank CAUTION  Always stop the engine, when working on the fuel line.  Always wipe any drip of Diesel fuel or oil. Do not use this equipment when a leak is found. Repair the equipment before use. ...

  • Page 37: Check / Maintenance

     Just after having connected to External Fuel Tank, there may be a case that engine speed is unstable and engine stops due to insufficient air extraction. Therefore, be sure to confirm that the air is extracted completely and the engine speeds keeps stable before leaving the equipment under people-less operation.
  • Page 38 Startup Every Every Every Every Every Every Every Description check 100hrs 200hrs 400hrs 500hrs 800hrs 1000hrs 1500hrs Engine Side Clean each parts / ◯ tightening Engine oil checks / ◯ add oil Engine oil change ◯ time at 50 hr mark) Oil Filter change ◯...
  • Page 39 (1) Change engine oil Initial 50 hours Oil Filler (Cap) and after Every 200 hours Oil Filter Remove the Oil Filler Cap. Oil Gauge Oil Drain Remove the Oil Drain Plug and then turn The Oil Drain Lever to OPEN and drain engine Fuel Filter oil.
  • Page 40 < Note >  If an oil filter wrench is not at hand, contact our authorized distributor or our engineering section to replace.  Oil Filter Part No. Kubota Part No. 16414-32432 (3) Cleaning / Changing Air Filter Element Clean Every 100 hours Change Every 400 hours...
  • Page 41 (4) Drain water in the Water Sedimentor Fuel Lever Check Startup OPEN Ring Nut Clean Every 200 hours When the Float (Red) is coming up to the Drain Line, Gauze Filter CLOSE drain the water. Drain Line Turn the Fuel Lever to CLOSE. Float(Red) Turn the ring nut counterclockwise and remove the Cup and Gauze Filter.
  • Page 42 (6) Drain water in fuel tank Drain Every 200 hours Remove the Fuel Drain Plug. Turn the Fuel Drain Lever to OPEN. Draining the water out, turn the Fuel Drain Lever to Fuel Drain Lever CLOSE. Tighten the Fuel Drain Plug. Fuel Drain Plug...
  • Page 43 (7) Change Coolant Change 2 years or 1000 hours Remove the radiator plate first and open Radiator Plate the radiator cap cover. Radiator Cap Cover Remove the radiator cap. Remove the Coolant Drain Plug. Inlet Radiator Cap After draining finishes, tighten the Coolant Drain Plug.

  • Page 44: Long-Term Storage

    11 Long-term storage WARNING : Electric Shock/Injuries  Before performing any equipment check or maintenance, stop the engine, and turn the Power Switch to the OFF position. CAUTION : Fire/Injuries  Temperature around muffler and exhaust can get extremely high levels. Keep any inflammable items (such as fuel, gas, paint, etc.) away from the equipment.

  • Page 45: Troubleshooting

    (2) Stacking WARNING : Injuries If you have to stack two generators at warehouse, always proceed with the following steps.  Ensure that there is no dent on bonnet, loose bolt or no bolt in the equipment.  Always place the equipment horizontal on a flat and stable surface to be endurable for the total weight, and to keep the equipment from sliding.
  • Page 46 Follow the guideline below, when performing any troubleshooting. If you cannot resolve the problems by this troubleshooting guide, contact our authorized distributor or our engineering section to request the repair. Symptom Presumable Cause Action Starter motor does not Battery Isolator is OFF Turn Battery Isolator to ON drive or speed is low Battery output is weak...
  • Page 47 Overheated Engine thermostat is Ask our distributor to repair defective Water temp sensor is Ask our distributor to repair defective Controller is defective Ask our distributor to repair Fan belt tension is weak Check / Adjust fan belt Coolant is insufficient Check / Supply coolant Radiator core is clogged Clean radiator core...
  • Page 48 Controller does not turn on 1. Battery output is weak 1. Check/ battery liquid/ or Change 2. Battery is deteriorated 2. Change battery 3. Battery terminal is OFF or 3. Fix/Tighten terminal loose 4. Battery terminal is corroded 4. Clean terminal 5.

  • Page 49: Generator Circuit Diagram

    13 Generator Circuit Diagram...

  • Page 50: Engine Circuit Diagram

    14 Engine Circuit Diagram...
  • Page 52 ©2021...

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