Shindaiwa DG50MK-P Owner's And Operator's Manual
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Shindaiwa DG50MK-P 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.
DG50MK-P
X750-026 44 1
X750802-130 1

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  • 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. DG50MK-P X750-026 44 1 X750802-130 1...
  • 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 Safety Instructions ................2 2. Specifications ................... 5 2-1. Specifications ................5 2-2. Ambient Conditions ..............6 Applications ..................6 Part Names ..................6 4-1. External View/Part Names ............6 4-2. Operation Panel Part Names ............ 8 4-3.

  • Page 5: Safety Instructions

    Safety Instructions WARNING : SUFFOCATION FROM EXHAUST FUME 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 pedestrians or buildings. WARNING : ELECTRIC SHOCK Before connecting or disconnecting the load cables to/from the output terminal, always turn the output circuit breakers to the OFF position, stop the engine, and remove the engine key.
  • Page 6 CAUTION : EYE/SKIN INJURY Wear rubber gloves and other protective wear to protect eyes, skin and clothing from the battery fluid which contains diluted sulfuric acid. If the battery fluid contacts eyes or skin, wash out immediately with a sufficient amount of clean water. Be sure to receive medical treatment, especially if the fluid contacts the eyes.
  • Page 7 CAUTION : PROPERTY DAMAGE If using this generator for medical equipment, check before use with the medical equipment manufacturer, doctor, hospital or similar entity. Check that the generator output setting, output terminal connection and load power source are consistent. Cable burnout can occur due to generated heat if the load current exceeds the allowable current of the cable.

  • Page 8: Specifications

    2. Specifications 2-1. Specifications Model Unit DG50MK-P/ANZ Rotating Field, Brushless 3-Phase Generating Type Synchronous Alternator Rated Output Rated Voltage Rated Current 69.6 Rated Frequency Winding 3-Phase, 4-Wire Power factor Insulation class Excitation Self-Excitation(Brushless) No. of poles Types Vertical Water-Cooled 4-Cycle Diesel Engine...

  • Page 9: Ambient Conditions

    2-2. Ambient Conditions Use this generator in ambient conditions as described below. Failure to provide these conditions can result in problems such as malfunction, insufficient output and reduced durability. Ambient temperature: -15 to 40 degree Celsius Relative humidity: 80% or less Elevation: 300 m or less Applications...
  • Page 10 Radiator Plate Tie-Down Radiator Oil Separator * Shown with side-plate removed. Coolant Sub-Tank Tie-Down Air Cleaner Engine Check Door Fuel Filter Alternator Check Door Oil Filter Water Separator Oil Level Indicator Battery Oil Filler 3way fuel valve Coolant Drain plug External Tank Fuel Inlet Oil Drain plug External Tank Fuel Return...

  • Page 11: Operation Panel Part Names

    4-2. Operation Panel Part Names Circuit Breaker Panel Light Voltmeter Starter Switch Ammeter Voltmeter Selector Switch Frequency Meter Ammeter Selector Switch Water Temperature Gauge Voltage Regulator Fuel Gauge Throttle Switch Hour Meter Panel Light Switch Pilot Lamp Battery Isolator Monitor Lamp Emergency Stop Button Preheat Lamp...

  • Page 12: Output Panel

    4-3. Output Panel 3-Phase ELCB 1-Phase ELCB 3-Phase Breaker (20A) 3-Phase Breaker (32A) 3-Phase Breaker (50A) 1-Phase Breaker (15A) 1-Phase 3-Phase Receptacle Receptacle (50A) (15A) 3-Phase Receptacle (32A) 3-Phase Receptacle (20A)

  • Page 13: Equipment

    Equipment 5-1. Warning Indicators WARNING : INJURY Close all doors and place locks during operation, to avoid injuries by unintentionally contact with moving parts such as the cooling fan and fan belt. Before performing any equipment check or maintenance, stop the engine, and remove the engine key.
  • Page 14 (2) OIL PRESS (engine oil pressure) Warning Indicator (Low Oil Press.) CAUTION: BURNS Always 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 gushing out. If the engine oil pressure drops below 0.49 x 100 kPa {0.5kgf/cm } during operation, the OIL PRESS and ENGINE warning indicators light up, and the engine automatically stops.

  • Page 15: Meters And Gauges

    5-2. Meters and Gauges Engine Meters and Gauges (1) Hour Meter Displays the operating time. Use this to schedule periodic inspection. Be careful as the hour meter operates when the starter switch is at RUN regardless of whether the engine is running or stopped. (2) Water Temperature Gauge Water Temperature Gauge displays the temperature of engine coolant.
  • Page 16 Switches (1) Starter Switch Stop When the switch is set to this position, all power will be off. The switch must be set to this position to remove the key. Run/Preheat The switch must be set to this position during operation. This position is also used during cold season, to preheat GlowPlug.

  • Page 17: Fuel Piping Switch (3Way Fuel Valve)

    (7) 3-Phase Earth Leakage Circuit Breaker (3P ELCB) 1-Phase Earth Leakage Circuit Breaker (1P ELCB) Each receptacle, 3-Phase and 1-Phase is incorporated with ELCB respectively. When current leak occurs, it trips to stop power transmission to load. 1P ELCB 3P ELCB <...

  • Page 18: Transporting/Installing

    < Note > When disconnecting piping from the external tank, turn the lever to the “A” side, and attach the bundled plug (R1/2”)to the external tank fuel inlet/return. (2) If using an external fuel tank Connect hoses from the external fuel tank to the external fuel inlet and the external fuel return.

  • Page 19: Installation Procedures

    6-2. Installation Procedures WARNING : SUFFOCATION FROM EXHAUST FUME 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 pedestrians or buildings. CAUTION : FIRE Do not bring flammable items (such as fuel, gas and paint) or items that are highly combustible near the generator as the muffler, exhaust gas and other...

  • Page 20: Connecting Load Cables

    Expedient Formula: the voltage drop of cables 3-Phase 3-Wire Length Voltage Drop Current × × × 1-Phase 2-Wire Length Voltage Drop Current × × × 7-2. Connecting Load Cables WARNING : ELECTRIC SHOCK Before connecting or disconnecting the load cables to/from the output terminal, always turn the output circuit breakers to the OFF position, stop the engine, and remove the engine key.
  • Page 21 (1) Grounding Work The qualified electrician should perform the grounding of the following 2 points(500 or below). The Bonnet grounding terminal of the generator. The Bonnet of the load. < Note > In the event you cannot ground the generator to the earth,consult with the authorized distributor or our engineering section.

  • Page 22: Pre-Operation Inspection

    Pre-Operation Inspection WARNING : ELECTRIC SHOCK     I NJURY Before performing any equipment check or maintenance, stop the engine, and remove the engine key. A person performing the maintenance should always keep the key. Close all doors and place locks during operating this equipment, to avoid injuries by unintentionally touching cooling fan and fan belt.

  • Page 23: Checking Coolant

    8-2. Checking Coolant CAUTION : BURNS Do not open the radiator cap immediately after stopping the engine. Do so will result in steam gushing out. Hot steam gushes out from the coolant sub-tank if the generator overheats. Do not touch the coolant subtank. Check that the subtank coolant level is in between FULL and LOW.

  • Page 24: Checking The Fan Belt

    8-3. Checking the Fan Belt (1) Fan Belt Tension Press your finger against the middle of the fan belt. (approx. 98N) If the slack is 7 to 9 mm, the tension is normal. (2) Fan Belt Condition Check the fan belt for damage and replace if any damage or other fault is found.

  • Page 25: Checking For Fuel, Oil And Coolant Leaks

    < Note > The types of liquids that can accumulate in the spill containment include oil, fuel, coolant and battery fluid such that it is not possible to distinguish between rain water and other liquids. Dispose of flushed liquids according to the related laws and regulations. 8-6.

  • Page 26: Operating Procedures

    Operating Procedures 9-1. Initial Startup/Pre-Check WARNING : EXHAUST GAS POISONING Do not operate the generator in poorly 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.

  • Page 27: Procedures During Operation

    < Note > Pre-heating time depends on the coolant temperature, and completes in approximately 3 to 10 sec. Do not continuously operate the starter motor for 10 sec. or more. If repeating starter switch operation, wait 30 sec. or more between re-starting. Be aware that smoke might be generated when the engine is started.

  • Page 28: Protective Functions

    Turn the switches and breakers on the load side to OFF. Turn the main breaker on the operation panel to OFF. Turn the Throttle switch to IDLING. The engine cools down for approximately three minutes. Turn the starter switch to STOP. 9-4.

  • Page 29: Connecting With External Fuel Tank

    9-5. Connecting with External Fuel Tank CAUTION : FIRE Always make sure that the engine is stopped when working on piping. Always be sure to wipe up any spilled fuel. After working on the piping, check that there is no fuel leakage. Turn the 3way fuel valve lever to the “A”...

  • Page 30: Inspection/Maintenance

    10. Inspection/Maintenance WARNING : ELECTRIC SHOCK/INJURY Do not touch receptacles or internal electric parts while the generator is operating. Do not open the check door during operation. Be careful of pinching or catching of moving parts such as the cooling fan and fan belt. Always be sure to stop the engine and remove the engine key when performing inspection or maintenance.
  • Page 31 Every Every Every Every Every Every Every Description Daily 1500 100 hrs 200 hrs 400 hrs 500 hrs 800 hrs 1000 hrs Each parts (Clean/Tightening) Engine oil (Check/Add) Engine oil time (Replace) 50 hrs time Oil filter (Replace) 50 hrs Coolant (Check/Add) Coolant (Replace/...
  • Page 32 Engine Oil Replacement First Time 50 hours Thereafter Every 200 hours Remove the oil filler cap. After removing the oil drain plug and packing(a rubber seal is attached),open the oil drain faucet and drain the engine oil. After the oil has been drained,close the oil drain faucet and reinsert the oil drain plug with new packing(a rubber seal is attached).
  • Page 33 (3) Air Filter Element Cleaning/Replacement Clean 100 hours Replace Every 400 hours Remove the air cleaner clips and cleaner cap. Remove the outer element. Clean or replace the element. Replace by performing the above procedures in reverse order. < Note > Always be sure to turn the cleaner cap in the direction indicated by the arrow.
  • Page 34 After attaching, open the fuel valve, and be sure to always start the engine and check that there is no fuel leakage. If water is accumulate in the cup, draining water from the fuel tank. (Refer to section “(6) Draining Water from the Fuel Tank ”.) (5) Fuel Filter Replacement Replace...
  • Page 35 < Note > Refer to section “8-2. Checking Coolant” for coolant information. Replace the packing of the coolant drain plug with new packing each time the coolant is changed. Packing part no.: 6C090-58961 (Kubota part no.) After reinserting the coolant drain plug and shortly after starting the engine, be sure to always check that there is no coolant leakage.
  • Page 36 Spill Containment Separate/ Reassemble Turn the 3way fuel valve lever to the “B” side. Remove the wiring connector. Remove the fuel hoses (supply and return sides). Remove the four spill containment fixing bolts (M12, 8 pieces). < Note > When removing the fuel hoses, hold the union joint fixed using a spanner or similar tool.
  • Page 37 Lifting Hook Wire Connector Bolt Bolt Washer Washer Fuel Tank Inlet Port Return Port Wire Connector Spill Containment Fuel Line (Inlet Side) Fuel Line (Return Side)
  • Page 38 (10) Elimination of carbon in the exhaust pipe line and muffler WARNING : EXHAUST GAS POISONING Do not operate the generator in poorly ventilated areas such as an indoors or tunnels, as the exhaust gas of the engine contains substances that are harmful to human health.

  • Page 39: Long-Term Storage

    (11) Oil Separator Filter Replacement Replace Every 1000 hours Remove the cover, and Loosen Tighten remove the O-ring and Oil Separator Cover oil separator filter. Assemble a new O-ring O-ring to the cover and spread a thin layer of oil on the Oil Separator O-ring.

  • Page 40: Troubleshooting

    Clean up all generator components, and store in a dry and dust-free location. Also cover when storing so that rain cannot enter through the suction or exhaust ports. Clean up all generator components, and store in a dry and dust-free location. Also cover when storing so that rain cannot enter through the suction or exhaust ports.
  • Page 41 Problem Suspected cause Action Starter motor 1. Battery Isolator is OFF 1. Turn Battery Isolator to ON does not drive 2. Battery output is weak 2. Check / battery liquid/ or or speed is Charge low. 3. Battery is deteriorated 3.
  • Page 42 Overheated 1. Engine thermostat is defective 1. Ask our distributor to repair 2. Water temp sensor is defective 2. Ask our distributor to repair 3. Water temp meter is defective 3. Ask our distributor to repair 4. Fan belt tension is weak 4.

  • Page 43: Generator Circuit Diagram

    13. Generator Circuit Diagram...

  • Page 44: Engine Electrical Circuit Diagram

    14. Engine Electrical Circuit Diagram...
  • Page 48 ©2016...

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