Page 1
State of California to cause cancer and birth defects or other reproductive harm. WASH HANDS AFTER HANDLING. 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. DGK125FP X774-000 31 1 X774801-020 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.
1. Safety Instructions 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 : EXPLOSION Never use or recharge the battery if the fluid level is below the minimum level. Do not create sparks or bring flame near the battery as it generates flammable gas. 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.
Page 7
CAUTION : INJURY Always be sure to use Lifting Hook when lifting up the generator, and slowly lift it straight 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 If warning or caution labels become damaged and difficult to read, replace with new labels in the indicated locations. Order labels using part number indicated in the parenthesis. ① Caution: Do not change voltage Part no. :X505-004620 ②...
2. Specifications 2-1. Specifications Model Unit DGK125FP Generator Type Revolving Field Brushless Rated Frequency Three phase Rated Output(Prime) 75[37.5] *1 Single phase 75[37.5] *1 137.5 Three phase Standby Output 82.5 [41.3] *1 Single phase 82.5 [41.3] *1 Three phase 208/240/ [480] *1...
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: 5 to 104 °F (-15 to 40 °C) ■...
Page 11
SCR Check Panel Tie hole Inspection / Cleaning Panel DEF Tank Check Panel Tie Hole Engine Fuel Filter Fuel Filter Alternator Fan Guard Turbo Charger Cover Check Door (Main) (Pre) Check Door Electromagnetic Fuel Pump Oil Filter 3way Fuel Valve External Fuel Inlet Oil Level Gauge External Fuel Return...
Page 12
Coolant Sub-Tank Engine Air Cleaner Check Door Alternator Check Door Radiator Intercooler Fan Guard Battery Coolant Drain Plug Intercooler Drain Plug Fuel Tank (Inside) Receptacle Cover Output Terminal Terminal Cover Receptacle Panel Remote Start Terminal Paralleling Communication Connector...
5. Equipment 5-1. Operation Display This generator has an Operation Display which is used for starting or stopping the power generator or the engine, for monitoring and for maintenance. If you twist the power switch, the Status Lamp on the Operation Display illuminates, and the Main Screen appears. Press the “↑”...
Page 17
RPM[RPM] : Engine speed 3P Output[kW] : Three-Phase Power output meter Batt Volt[V] : Battery voltage meter Coolant Temp[°F] : Coolant temperature meter Displays the temperature of the engine coolant. Normal temperature displayed during operation should generally between 167°F (75℃) and 194°F (90℃) depending on usage.
Page 18
(2) Single(2nd screen) (L1/L2/L3) Current Gen V Ph (L1/L2/L3)-N (U/W)Current Main Button Screen Objects Gen V Ph-N[V] : Three-Phase(L1/L2/L3) - Neutral voltage meter Current[A] : Three-Phase(L1/L2/L3) Current meter Current[A] : Single-Phase(U/W) Current meter Button Main Button : Press this button to access the Main Screen (1st screen).
Page 19
(4) Tank Indicator(4th screen) INTERNAL EXTERNAL FUEL FUEL TANK TANK INTERNAL TANK Screen Objects INTERNAL : The capacity of the fuel tank on this generator appears here. TANK Fuel Meter[gal] INTERNAL : The capacity of the DEF tank on this generator appears TANK here.
Page 20
Brk. Clsd : This value indicates the number of the generator connected to the load. The items displayed on the screen differ depending on the address assigned to each generator. If the GCB closes, the displayed value is “1”. ...
Page 21
Buttons ECU ON Button : Press ECU ON button to turn on the ECU and electromagnetic fuel pump for 4 min, without starting the engine. Check DEF level and bleed the fuel system. The ECU and electromagnetic fuel pump will be cut off automatically in 4 min.
Page 22
(8) Setpoint Press the “Menu” button on the Operation Display to access various settings. Setpoints List Groups Name Value This setting has the same function as the “Mode” button. Controller Mode “PREVIOUS”: Reboot in the mode as previously set. Basic ContrlnitMode “OFF/MAN/AUT/TEST”: Reboot in the selected mode.
5-2. Three-phase and Single-phase simultaneous Output This generator is capable of generating three-phase and single-phase three-wire output simultaneously. (Three-phase output terminal and single-phase three-wire output terminal are equipped individually.) Neither switching operation of output nor switching operation of wiring is needed. Three-Phase and Single-Phase Three-Wire Output Terminal <...
5-4. Spill Containment WARNING : INJURY Do not open the check door when the power switch is turned and the main power is on. It will cause injury by rotating parts such as cooling fans and fan belt. Always press power switch to turn off the main power and stop the engine, then close and lock OPERATION PANEL DOOR before checking or maintaining the engine or any equipment.
5-5. Warning Indicators WARNING : INJURY Do not open the check door when the power switch is turned and the main power is on. It will cause injury by rotating parts such as cooling fans and fan belt. Always press power switch to turn off the main power and stop the engine, then close and lock OPERATION PANEL DOOR before checking or maintaining the engine or any equipment.
Page 26
(3) WATER TEMP (Coolant Temperature) Warning Indicator (High Water Temp.) CAUTION: BURNS Do not open the radiator cap immediately after stopping the engine. Do so will result in hot steam gushing out. Hot steam gushes out from the coolant sub-tank if the generator overheats. Do not touch the coolant sub-tank.
(7) SPILL CONTAINMENT (Spill Containment Amount) Overflow Warning Indicator If the liquid stored in the spill containment exceeds approximately about 41gal. (155 liters) during operation, the SPILL CONTAINMENT overflow warning indicator illuminates, and the engine automatically stops. If this occurs, flush the liquid stored in the spill containment.
Page 28
This generator is equipped with the SCR SYSTEM MONITOR. The indicator lights up according to the control operation of the SCR system. (1) DEF LEVEL It shows the amount of DEF in the tank. All lamps are lit when the amount reaches to the maximum level, and FULL is lit. The lit lamp decreases as the amount of DEF in the tank reaches to EMPTY.
Page 29
FORCE PURGE Purge forcibly runs in case that PERIODIC PURGE fails twice. FORCE PURGE is lit during operation. < Note > During purging, electrical output capacity decreases to 80% of the rated output. Available output capacity can be confirmed by Available Output Monitor. ...
Page 30
(3) FORCE PURGE Operation (only when “PARALLEL” Operation is selected) If “PARALLEL” Operation is selected, FORCE PURGE will not be executed automatically. Perform FORCE PURGE by following the procedure below. Press Power Switch to turn off the main power. Turn off all breakers. Operation Selector Switch Select to “SINGLE”...
Page 31
NO POWER (SHUTDOWN) It is lit when the engine stops due to DEF shortfall or SCR system error. Contact the authorized distributor where the generator was purchased. ■ DEF Indicator Lamp Action LAMP EXH. NO POWER ESCAPE ENGINE State SYSTEM (SHUTDOWN)...
5-7. Meters(Gauges) and Switches WARNING : ELECTRIC SHOCK Do not change operation selector switch while the generator is running. Engine Meters and Gauges (1) Engine Tachometer Displays the engine speed. 1,800rpm is displayed at 60 Hz. (2) Fuel Leak Warning Indicator Fuel Leak Warning Indicator illuminates if the Fuel stored in the fuel tank leaked.
Page 33
The single-phase 120V (GFCI) receptacle delivers voltage even if the single-phase main circuit breaker is shut off. To turn off the output voltage from the receptacle, turn off Single- Phase Circuit Breaker (20A). (2) Glow Lamp When starts the engine, the Glow Lamp will light to indicate that the glow plugs are energized and preheating the engine cylinders.
5-8. Fuel Piping Switch (3Way Fuel Valve) 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. Change the three-way fuel valve to switch to supply fuel from the external tank.
6. Transport/Installation 6-1. Transport Procedures WARNING : INJURY Always be sure to use “Lifting Hook” when lifting up the generator. Using other parts when lifting up the generator could cause the result of falling. No persons should ever be under a lifted generator. CAUTION : INJURY ...
Position this generator on a hard, flat and leveled surface. Position this generator 3 ft. (1 m) or more from walls or other hindrances so that the operation panel door and left/right check doors are accessible for internal inspection/maintenance. <...
Page 37
(Ex.) If used voltage is 208 V and voltage drops by 10.4 V. Three-phase: Cabtyre cables (Unit: AWG) Length 100 ft (30 m) 200 ft. 300 ft. 400 ft. 500 ft. 600 ft. (61 m) (91 m) (122 m) (152 m) (183 m) Current or less...
7-2. Connecting Load Cables WARNING : ELECTRIC SHOCK Always turn all breakers OFF, then press power switch to turn off the main power and stop the engine before connecting / disconnecting the load cable to the output terminal or receptacle. ...
Page 39
For single-phase load: (single operation) Terminal voltage is 208/240/480 V. (2) Single-Phase Three-Wire Output Terminal and Receptacle For single-phase three-wire type load: (single operation) U-W terminal voltage is 240 V. U-N terminal voltage is 120 V. ...
Page 40
Power available for use by each output terminal and receptacle are as show below. Use is possible up to the kVA as shown below. (Unit: kVA) Single-Phase 240/120 V Single-Phase 120 V receptacle Single-Phase, 3-wire receptacle output terminal Total (parallel / single operation) (single operation)
Page 41
(3) Paralleling Communication cable and load cable Paralleling communication cable connection: (parallel operation) Gen.1 Gen.2 Gen.3 (Right side) (Right side) (Right side) Paralleling Communication Connector Paralleling Communication Cable (Parts No.579000) For three-phase load: (parallel operation) Terminal voltage is 208/240/480 V. Gen.1 Gen.2 <...
8. Pre-Operation Inspection WARNING : INJURY Do not open the check door when the power switch is turned and the main power is on. It will cause injury by rotating parts such as cooling fans and fan belt. Always press power switch to turn off the main power and stop the engine, then close and lock OPERATION PANEL DOOR before checking or maintaining the engine or any equipment.
Relation of Viscosity/Temperature Temp. (°F) SAE 10W-30 SAE 10W-40 SAE 15W-40 (3) Engine Oil Replacement Amount Total Lubrication Oil Amount 6.2 gal. Value in parenthesis is the filter capacity. 8-2. Checking Coolant CAUTION: BURNS Do not open the radiator cap immediately after stopping the engine. Do so will result in hot steam gushing out.
Change the LLC every 1,000 hours or every year. LLC is a toxic substance. Wear rubber gloves and other protective wear when handling. If someone mistakenly ingests LLC, induce vomiting immediately and seek medical care. If LLC gets on skin or clothing, wash with water immediately. ...
8-4. Checking the Fuel CAUTION : FIRE This generator uses diesel fuel. Always be sure to stop the engine and not bring flames close when inspecting fuel or refueling. Wait until the engine has cooled before performing such procedures. ...
Always be sure to wipe up any spilled DEF. DEF is a clear, colorless, and harmless aqueous solution. it is normal for DEF to emit an odor in some circumstances. DEF may cause inflammation in rare circumstances depending on its constitution. In such cases, take the following actions.
Page 47
Check the fluid level, and add distilled water until it reaches the upper level when the fluid level is near the lower level. Check the terminals for looseness and tighten properly. < Note > It is necessary to recharge the battery when the specific gravity of the battery fluid is 1.22 or less.
9. Operating Procedures 9-1. Starting/Stopping Operation 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. ...
Page 49
(1) Single Operation Manual Start Check that “Load Cable” and “Paralleling Communication Cable” are not connected to other generators. Select “OPERATION SELECTOR” to “SINGLE” position. Check Circuit Breaker (Three-Phase & Single-Phase) is OFF position. Twist Power Switch to turn on “Operation Display”. Press “Mode”...
Page 50
Remote Start / Stop Check that “Load Cable” and “Paralleling Communication Cable” are not connected to other generators. Input the Signal (OPEN / CLOSE) to the “REMOTE START” Terminal. (OPEN : ENGINE STAND BY , CLOSE : ENGINE START) Select “OPERATION SELECTOR”...
Page 51
Remote Start Terminal (Jumper Lead Wire) Remote Start Terminal Remote Start Terminal Jumper Lead Wire Close:Engine Start Open:Engine Stand by (2) Parallel Operation < Note > Single-phase circuit breaker will be automatically turned off, as “Parallel Operation” is designed only for three-phase output. ...
Page 52
Priority set up Twist Power Switch to turn on “Operation Display”. Press “Menu” button. Use “↑” “↓” button to select “Setpoints” and press Menu “Enter” button. Use “↑” “↓” button to select “Pwr management” and press “Enter” button. Use “↑” “↓” button to select “Priority” and press “Enter”...
Page 53
Manual Stop Press “Stop” button to shut off the engine. (Engine will be stopped automatically after cooled down) Press Power Switch to shut off “Operation Display”. Flip Three-Phase BREAKER to OFF position. < Note > If you press the “Stop” button twice, the engine will be stopped without cooling down operation.
Page 54
The preheating (glow) process starts automatically. Please keep in mind that the muffler may emit some smoke when engine is started. Set all connected generators to parallel operation. Do not change operation selector switch while the generator is running. ...
Page 55
(3) Power management During the parallel operation in the “AUT” mode, this generator will be started or stopped automatically depending on the connected load, in order to achieve the optimal number of operating devices. You can choose the value for the load at which the second generator onwards starts or stops.
Page 56
Example: when carrying out the parallel operation with 3 generators Operation No. of generator All actual Generator Engine start/stop #%LdResStrt1 #%LdResStop1 during load power output operation 200 kW Gen.2 start 67.0 kW 33 % 300 kW Gen.3 start 134.0 kW 33 % Gen.3 stop...
Page 57
■To change the values for “#%LdResStrt1” and “#%LdResStop1”, follow the steps described below. Twist Power Switch to turn on “Operation Display”. Press “Menu” button. Use “↑” “↓” button to select “Setpoints” and press “Enter” button. Use “↑” “↓” button to select “Pwr management” and press “Enter”...
9-2. 208/240/480V Switching Selection WARNING : ELECTRIC SHOCK If performing any electric voltage switching, turn all breakers to OFF and stop operation. Lock the generator using a padlock so that no one except for designated operators can operate switches. CAUTION : PROPERTY DAMAGE ...
9-3. Procedures during Operation Checks after Startup Make sure that all meters and indicators are in normal status. (Refer to section “5. Equipment”.) 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.
9-4. Protective Functions WARNING : INJURY Do not open the check door when the power switch is turned and the main power is on. It will cause injury by rotating parts such as cooling fans and fan belt. Always press power switch to turn off the main power and stop the engine, then close and lock OPERATION PANEL DOOR before checking or maintaining the engine or any equipment.
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. ■Capacity of the external tank should be less than 230 gal.
10. Inspection/Maintenance California Proposition 65 WARNING Batteries, battery posts, terminals and related accessories contain lead and lead compounds, and other chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. WASH HANDS AFTER HANDLING. WARNING : ELECTRIC SHOCK / INJURY ...
Page 63
< Note > All procedures except for pre-operation inspection should be performed by specialized technicians. Request authorized distributor where the generator was purchased to perform the procedures in the table with a “”. Always be sure to use genuine parts or those indicated specifically for replacement parts. ...
Page 64
Every Every Every Every Every Every Description Daily 1,000 3,000 4,500 Remarks 250 hrs 500 hrs 750 hrs Fuel/Coolant/Oil Hoses and Anti-Vibration Every Rubber (Replace) 2 years Air Hose (Engine/ Intercooler/Air Cleaner) Every SCR system LLC hose 2 years Radiator and Intercooler ...
Page 65
(1) Engine Oil Replacement Replace Every 500 hours Oil Level Gauge Oil Filler Set a container to catch spilled engine oil. Remove the oil filler cap. After removing the oil drain plug and o-ring, open the oil drain valve and drain the engine oil. Oil Drain Valve After the oil has been drained, close the oil drain valve and reinsert the oil drain plug with o-ring.
Page 66
(3) Air Filter Element Cleaning/Replacement Air Cleaner Clean (Outer element) Every 250 hours Replace (Inner / Outer element) Every 500 hours Remove the air cleaner clips and cleaner cap. Clip Remove the outer element. Clean or replace the outer element. Replace by performing the above procedures in reverse order.
Page 67
< Note > After drainage, start the engine and check that there is no fuel leakage. When the water is accumulate in the cup, drain water from the fuel tank. Be careful not to over-tighten the drain plug and air bleeder plug. ...
Page 68
Drain plug tightening torque 2 - 3 N・m Air bleeding plug tightening torque 7.9 - 11.7 N・m Outer case tightening torque 28 - 32 N・m < Note > When attaching the cup, check that there is no foreign material adhering to the O-ring. ...
Page 69
(8) Engine Supply Pump Strainer Cleaning/Replacement Clean/Replace Every 500 hours Place a container under Suppuly Pump to catch spilled fuel. Remove the joint bolt. Clean the strainer with the compressed air and rinse it in the fuel oil and reinstall in the reverse order. Joint bolt tightening torque 14.6 - 24.6 N・m <...
Page 70
Always be sure to wipe up any spilled DEF. The SCR continues to operate for approximately 3 minutes even after the press power switch to turn off the main power. Wait for 3 minutes or more until the supply module stops operating.
Page 71
(12) Bleeding air from EGR cooler Bleeding air Every after coolant change Loosen the air bleeder plug of the EGR Air Bleeder Plug cooler in order to bleed air from within the EGR and improve cooling performance. When coolant flows out from the air bleeder plug, tighten the air bleeder plug.
Page 72
(15) Elimination of excessive carbon in the exhaust system by extensive light load 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.
Page 73
(16) Cleaning the Rear Cover CAUTION : BURNS Do not touch the SCR system and surrounding components immediately after stopping the engine as they are still extremely hot. CAUTION : INJURY Position the generator on a level stable surface so that it cannot slide or move in any manner.
11. Long-Term Storage WARNING : INJURY Always press power switch to turn off the main power and stop the engine, then close and lock OPERATION PANEL DOOR before checking or maintaining the engine or any equipment. CAUTION : FIRE ...
(2) Double-Stacking Storage Procedures WARNING : INJURY Always be sure to observe the following items when double stacking this generator in a warehouse or similar location. Check that the hood of this generator is not dented, and that bolts are not loose or missing. ...
Page 76
Problem Suspected cause Action Starter motor 1. Battery output is weak 1. Check battery fluid or charge won’t crank 2. Battery is deteriorated 2. Replace Battery or speed is low 3. Battery terminal is OFF or loose 3. Fix/Tighten terminal 4.
Page 77
Problem Suspected cause Action Lost power or voltage is 1. AVR is defective 1. Contact distributor or dealer for repair not shown 2. Disconnected circuit, loose terminal or 2. Contact distributor or dealer for repair departed 3. Initial exciter is defective 3.
Need help?
Do you have a question about the DGK125FP and is the answer not in the manual?
Questions and answers