Shindaiwa ISO 9001 User Manual
OWNER’SAND
OPERATOR’SMANUAL
SOUND PROOF DIESEL ENGINE
GENERATOR/WELDER
ＤＧＷ３１１ＤＭ
ＤＧＷ３１１Ｌ
Water-cooled 4 Cycle Diesel Engine
1. Safety Guidelines
2. Specifications
3. Use
4. Parts
5. Equipment
5-1. ECO Welding (DGW311DM only)
5-2. Monitor Lamp
5-3. Earth Leakage Breaker
5-4. Slow-Down
6. Initialization and Pre-check
6-1. Checking Engine Oil
6-2. Checking Coolant/Water
6-3. Checking Fuel
6-4. Checking Fuel, Engine Oil, and
water Leakage
6-5. Checking Battery
7. Operation
7-1. Initializing/Preparation
7-2. Stopping Generator/Welder
8. Welding Operation
8-1. Selection – Welding Cable
8-2. Polarity
8-3. Connection – Welding Cable
8-4. Duty Cycle
8-5. Welding
9. Generator Operation
9-1. Output Range
9-2. Output Limitation
9-3. Operation
10. Simultaneous Use of Welding and
Generating
11. Checking and Maintenance
12. Long-term Storage
13. Troubleshooting
14. Engine Wiring Diagram
15. Generator Wiring Diagram
Table of Contents Page
CAUTION:DonotoperatetheGenerator/Welder,oranyotherappliance,
beforeyouhave read andunde rstoodthe instructions for
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use.
Introduction
Thank you for purchasing Shindaiwa Sound Proof Diesel Engine Generator/Welder.
z This user manual was created to ensure the safe operation of this equipment. Therefore, the
manufacturer of this equipment strongly recommends that the user follow the instructions herein, to
avoid unnecessary accidents and repairs.
z Please operate this equipment after thoroughly reviewing and understanding the contents of this
manual.
z Please attach this manual, if the equipment will be sub-leased.
z Please store this manual near the equipment for easy reference.
■Following convention will be used throughout the manual to indicate the degree of
cautions.
Danger Can cause severe injuries or death.
Caution Can cause minor injuries or damage to the equipment or other prop-
erties.
<Caution> Other types of caution
z Even some of the items noted in 『 Caution 』 may lead to severe injuries. Please read al l
items and follow all the safety guidelines.
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1. Safety Guidelines
Danger : Suffocation from exhaust fume
z Exhaust fume from the engine contains many elements harmful to human. Do not operate this
equipment in poorly ventilated area, such as inside a room or in a tunnel.
Danger : Electric Shock
z Do not touch the output terminals during operation.
z Do not insert metal objects (such as pin or wire) into plug-in receptacles.
z Do not touch wiring or electric parts inside the equipment during operation.
z Before connecting or disconnecting a load cable from output terminals, always turn the circuit
breaker to OFF position.
z Before connecting or disconnecting a welding cable from output terminals, stop the engine, and
remove the engine key.
z Before performing any e quipment check or maintenance, stop the engine, and remove the engine
key. A person performing the check or maintenance should always keep the key.
Danger : Burns
z Do not open the radiator cap while operating this equipment or immediately after stopping the
equipment, to avoid sustaining burns from hot vapor.
Danger : Injuries
z Close all doors and place locks during operating this equipment, to avoid injuries by unintentionally
touching cooling fan and fan belt.
Caution : Suffocation from exhaust fume
z Do not point the exhaust fume toward pedestrians or building.
Caution : Suffocation from welding fume
z Be sure to wear a fume proof mask in operation, because welding fume contains poisonous gas
and dust. Pay attention to the airflow direction and sufficient ventilation also in order to prevent
from inhaling the fume.
Caution : Injuries to eyes and skin
z Be sure to wear spark protection glass(es), long-sleeve shirts, gloves, etc. in order to protect eyes
and skin from harmful spark in welding.
z 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 to your physician
immediately.
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Caution : Electric shock
z Do not flush water onto the equipment nor operate it in the rain.
Caution : Explosion
z When the liquid level is below the LOWER level, never use the equipment nor recharge the battery.
z Battery may emit some combustible gas, so keep it away from fire and sparks.
Caution : Fire
z The equipment uses Diesel fuel as a fuel. When refueling, always stop the engine and keep away
from fire. Moreover, always wait until the engine cools down before refueling.
z Always wipe any drip of Diesel fuel or lubrication oil. Do not use this equipment when a leak is
found. Repair the equipment before use.
z Temperature around muffler and exhaust can get extremely high. Keep any inflammable items
(such as fuel, gas, paint, etc.) away from the equipment.
z Keep any inflammable items and easily burning items away from the place in welding, because
welding splashes spatters.
z Always operate this equipment on flat surface and, at least 1 meter away from any objects (wall,
box, etc.).
z Do not connect AC output to any indoor wiring.
z Always wait until the equipment cools down, before placing any covering materials for storage.
Caution : Burns
z Do not touch the engine and muffler during operation and immediately after stopping the equip-
ment, for the temperature can reach extremely high.
z When checking engine oil or changing oil, always stop the engine, and wait until the engine cools
down. If you open either the oil gauge or the oil filter cap during operation, hot oil may cause some
injury.
z Be sure to wear leather gloves, apron, shoe covers, eye protection glass(es) (mask), safety shoes,
safety cap, and long sleeve shirts, because welding splashes spatters.
Caution : Injuries
z When lifting the equipment, always use a lift hook. Do not lift a handle, for it may cause equipment
to drop due to handle breaking off.
z Always place the equipment on a flat and stable surface, to keep the equipment from sliding. Be
sure to lock the wheels for the wheeled models.
z When starting the engine, turn off the connected equipment and set the circuit breaker to OFF po-
sition.
z Do not move the equipment during operation.
z When performing equipment check and maintenance, always stop the engine.
z Do not operate the equipment, if the equipment is being modified or if the parts are removed.
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Location of Warning labels
When the warning labels become unreadable or damaged, place new labels on the appropriate
locations, as specified in the following figure.
When ordering the label, use the following part numbers.
① Suffocation from exhaust fume (No. 19402-00194 )
② Suffocation from welding fume (No. 19402-00195 )
③ Electric shock (No. 19402-00192 )
④ Electric shock (No. 19402-00193 )
⑤ Injuries (No. 19402-00199 )
⑥ Burns (No. 19402-00201 )
⑦ Burns (No. 19402-00200 )
⑧ Fire (No. 19402-00166 )
DGW311DM
DGW311L 〔-(W)220B〕 DGW311L 〔-(W)380A, -(W)400A, -(W)415A〕
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2. Specifications
DGW311DM DGW311L Model
-(W)220B -(W)220B -(W)380A -(W)400A -(W)415A
Generating Method Brushless, Rotating Field, Synchronous AC Generator
Rated Current (A) 280 260
Rated Voltage (V) 31.2 30.4
Duty Cycle (%) 50
Rated Speed (min
No Load Voltage (V) MAX 85
-1
) 3600 3000
Current Adj. Range (A) 30-160
Welding Rod (Ф )
ECO
2.0-4.0
Current Adj. Range (A) Single 85-310 45-310 35-280
Welding Rod (Ф )
Current Adj. Range (A) 45-160
Welding Generator Output Change
Welding Rod (Ф )
2.6-6.0 2.0-6.0 2.0-6.0
Dual
2.0-4.0
Phase 3-Phase/1-Phase
Rated Voltage (V) 220/110 380/220 400/230 415/240
Frequency (Hz) 60 50
3-Phase 10 Rated Output (kVA)
AC Generator
Rated Speed (min
1-Phase 6 8
-1
) 3600 3000
Power Factor 3-Phase: 0.8 / 1-Phase: 1.0
Rating Continuous
Model Yanmar: 3TNE68-USW2
Type Vertical, Water-cooled 4-Cycle Diesel Engine
Displacement (L) 0.784
Rated Output (kW(PS)/min
-1
) 15.1(20.5)/3600 12.9(17.5)/3000
Fuel Diesel Fuel(ASTM No.2-D) or Equivalent
Engine
Lubricant Oil API Class CD or Higher
Lubrication Oil Volume (L) 3.5
Cooling Water Volume (L) 3.1
Starting Method Starter Motor
Battery 46B24L
Fuel Tank Capacity (L) 37
Length (mm) 1428 (Bonnet Length 1293)
Width (mm) 700
Height (mm) 760 (870 with wheels)
Dimen-
sion
Dry Weight (kg) 370 (380 with wheels)
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3. Use
z Arc Welding
z Power Source for Electric Tools and Home Appliances
z Power Source for Lighting
Caution : Damage to the equipment or other properties
z The equipment is designed for the above purposes only. Do not use it for the other purpose. When
it will be used for the equipment with the microcomputer control or for the ultra-precision devices,
the load may be malfunctioned.
4. Parts
DGW311DM
CIRCUIT BREAKER
CURRENT
ADJUSTMENT
DIAL A
1-PHASE OUTPUT RECEPT ACLE
WELDING OUTPUT TERMINAL A
3-PHASE VOLT METER
OUTPUT SELECTOR SWITCH FUEL GAUGE
EARTH GROUNDING TERMINAL
BONNET GROUNDING TERMINAL
3-PHASE/1-PHASE
OUTPUT TERMIN AL
CURRENT
ADJUSTMENT
DIAL B
SLOW-DOWN SWITCH
STARTER SWITCH
MONITOR LAMP
HOUR METER
WELDING OUTPUT TERMINAL B
1-PHASE OUTPUT TERMINAL
DGW311L 〔-(W)220B〕
CIRCUIT BREAKER
3-PHASE VOLT METER
1-PHASE OUTPUT RECEPT ACLE
CURRENT ADJUSTMENT DIAL
SLOW-DOWN SWITCH
STARTER SWITCH
MONITOR LAMP
FUEL GAUGE
EARTH GROUNDING TERMINAL
HOUR METER
3-PHASE/1-PHASE OUTPUT TERMINAL
WELDING OUTPUT TERMINAL
1-PHASE OUTPUT TERMINAL
BONNE GROUNDING TERMINAL
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DGW311L 〔-(W)380A, -(W)400A, -(W)415A〕
CIRCUIT BREAKER
CURRENT ADJUSTMENT DIAL
SLOW-DOWN SWITCH
3-PHASE VOLT METER
EARTH GROUNDING TERMINAL HOUR METER
STARTER SWITCH
MONITOR LAMP
FUEL GAUGE
3-PHASE/1-PHASE OUTPUT
TERMINAL (U,V, W,O)
BONNET GROUNDING TERMINAL
WELDING OUTPUT TERMINAL
DGW311DM DGW311L
FUSE
FUEL LEVER/STRAINER
BATTERY
SIDE DOOR
AIR CLEANER
RADIATOR
OIL PLUG,
ENGINE OIL FILLER
OIL GAUGE
RESERVOIR TAN K
OIL FILTER
OIL DRAIN PLUG
FUEL INLET
HANDLE
5. Equipment
5-1 ECO Welding (DGW311DM only)
The equipment is incorporated in ECO welding features that are aimed at performing the lower
noise, the lower fuel consumption and the lower gas emission than conventional models.
When you turn the selector switch to ECO, you will be able to weld with Max. 4.0mmφwelding
rod at the Slow-Down speed.
FUEL DRAIN PLUG
LIFTING LUG
MUFFLER
HANDLE
EXHAUST OUTLET
TOP PLATE
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<Caution>
z When welding is performed, do not turn the output selector switch, which causes the burnout
z ECO is designed for welding only. The circuit breaker trips when ECO is used for AC power
5-2 Monitor Lamp
The equipment is equipped with monitoring function of oil
pressure, battery charge and water/coolant Temperature.
of the switch.
supply.
When it is started by the starter switch from STOP to RUN
under normal condition, Oil Pressure and Battery lamps will
flash, and then the lamps will go off, immediately after the
engine starts.
When abnormality is detected either in water temperature or in oil pressure, the corresponding
monitor lamp will flash, and the automatic shutoff shall be engaged to the engine.
When the automatic shutoff is engaged, turn the starter switch to STOP position, and then restart
the engine. In the event the automatic shutoff is engaged next time, check all parts of the
corresponding alarm.
5-2.1 Oil Pressure Monitor Lamp
Danger : Injuries
z Close all doors and place locks during operating this equipment, to avoid injuries by uninten-
tionally touching cooling fan and fan belt.
Caution : Burns
z Do not touch the engine and muffler during operation and immediately after stopping the
equipment, for the temperature can reach extremely high.
OIL PRESSURE MONITOR LAMP
BATTERY CHARGE MONITOR LAMP
COOLANT/W ATER TEMPERATURE
MONITOR LAMP
z When checking engine oil, always stop the engine, and wait until the engine cools down. If
you open either the oil gauge or the oil filter cap during operation, hot oil may cause some
injury.
When the engine oil pressure drops during operation, the oil pressure monitor lamp will flash,
and the automatic shutoff will be engaged.
When this occurs, check the engine oil level, and replenish to the maximum level if needed.
<Caution>
z The engine oil pressure monitor cannot detect the degradation of engine oil itself. Please
check the engine oil periodically, and change if needed. (Refer to No. 11. Maintenance.)
5-2.2 Battery Charge Monitor Lamp
When the battery is unable to be charged during operation, the battery charge monitor lamp will
flash and the automatic shutoff will be engaged. In the event it will happen, consult with the authorized distributor or our engineering section.
<Caution>
z The battery charge monitor cannot detect the degradation of battery life nor the battery fluid
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level. Check the battery fluid level periodically. (Refer to No. 6-5 Checking Battery)
5-2.3 Coolant/Water Temperature Monitor Lamp
Danger : Injuries
z Close all doors and place locks during operating this equipment, to avoid injuries by uninten-
tionally touching cooling fan and fan belt.
Danger : Burns
z Do not open the radiator cap while operating this equipment or immediately after stopping the
equipment, to avoid sustaining burns from hot vapor.
Caution : Burns
z Do not touch the engine and muffler during operation and immediately after stopping the
equipment, for the temperature can reach extremely high.
When the water temperature rises abnormally, the coolant/water temperature monitor lamp will
flash, and the automatic shutoff will be engaged.
When this occurs, check the coolant/water reservoir tank, and replenish if needed. (Refer to No.
6-2 Checking coolant/water temperature.) If the water level is normal there may be a possibility
of overloading and always use equipment within the rated amperage.
<Caution>
z Check the fuse next, after oil pressure, battery charge and water temperature will be found
normal when you have checked them in the first place. If the fuse is burned out, consult with
our authorized distributor or our engineering section, because there may be an abnormality
of electric/electronic parts or wiring and repairing may be required.
5-3. Earth Leakage Breaker
Danger : Electric Shock
z All the grounding terminals must be grounded. If one of them is not grounded, human body
may get a serious electric shock by leaked current.
z Even though all the terminals of the loads have been grounded to the earth, the earth
grounding terminal and the outer bonnet (canopy) grounding terminal should be grounded to
the earth.
z Grounding should be made after the engine is stopped.
z Whenever the earth leakage breaker has activated, you should always repair the leaking
place first of all.
<Caution>
z The earth leakage breaker activates only for AC power supply.
z The circuit breaker trips to protect the loads, whenever AC power is used if the selector
switch is in the ECO position. (DGW311DM only)
The equipment is provided with the earth leakage breaker to detect any leakage arisen due to
such the troubles as insulation failure of the load while the generator is running and to cut off the
circuit for protection against any accident such as electrical shock resulting from the trouble.
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The specifications of the earth leakage breaker :
z Rated Sensitive Current: 30mA (or below) (Grounding resistance: 500Ω or below)
z Sensitive time: Within 0.1second
5-3.1 Grounding Work
The qualified electrician should perform the grounding work of the following 3 points (500Ω or
below).
z The earth grounding terminal in the output terminals
z The Outer Bonnet (Canopy) of the generator
z The Outer Bonnet of the load
<Caution>
z In the event you cannot ground the generator to the earth, consult with the authorized dis-
tributor or our engineering section.
DGW311DM
DGW311L
BONNET GROUNDING
TERMINAL
5-3.2 Operation Check
Before operating the generator, check always if the device can work.
① Turn the starter switch from STOP to Run.
② Turn (Push-up) the circuit breaker (lever) to ON position.
③ Push the test button. (When the button is pushed, the earth
leakage indication lamp turns ON and the circuit breaker is po-
sitioned in the middle of ON and OFF positions, the device can
work normal.)
EARTH GROUNDING TERMINAL
GROUNDING ROD
BONNET GROUNDING
TERMINAL
EARTH GROUNDING TERMINAL
GROUNDING ROD
RESET BUTTON
TEST BUTTON
EARTH LEAKAGE
INDICATION LAMP
④ Push the reset button. (The earth leakage indication lamp (red)
turns OFF subsequently.)
⑤ Turn (push down) the circuit breaker (lever) to OFF position.
⑥ Restore the switch to STOP.
<Caution>
z In the event you cannot complete every step of the above procedure to the end, the device is
out of order. Consult with our authorized distributor or our engineering section to repair.
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z When the engine is to start, there may be a case that the engine will not start unless the
starter switch is restored to STOP once.
5-3.3 The Earth Leakage Breaker has activated
When the earth leakage breaker has activated, the earth leakage indication lamp turns ON and
the breaker (lever) trips to the middle of ON and OFF positions. In the case, stop the engine
promptly and find the leakage point to repair. After repairing leakage point(s), proceed with the
following restoration steps.
① Push the reset button or stop the engine.
② Restore (push down) the breaker (lever) to OFF position.
By the above procedures, you can reset the breaker to ON position.
<Caution>
z When the breaker trips to the middle but the lamp does not turn RED simultaneously, the
cause is Over-loaded or the output selector switch is positioned to ECO. Restore as per the
procedures No. 9-3 Operation.
5-4 The Slow-Down Feature
The Slow-Down feature is to set the engine speed low automatically (in about 8 seconds)for the
purpose of reducing noise and fuel consumption, whenever welding operation or electric supply
is not performed.
In the case of using the Slow-Down feature, turn the Slow-Down switch to ON. The engine
automatically moves to high speed, when welding operation or electric supply starts.
Caution : Damage to the equipment or other properties
z Turn always the Slow-Down switch to OFF, when the load is incorporated with a electro-
magnetic switch.
<Caution>
z When the load of less than 0.5A is connected to use, the Slow-Down feature does not func-
tion sometimes. Therefore, turn the switch to OFF.
z When welding operation or electric supply is used intermittently, turn the switch to OFF.
z When the output selector switch is positioned to ECO, the engine does not turn to high speed.
(DGW311DM only)
6. Initialization and Pre-check
Caution : Fire・Burns・Injuries
z When checking engine, always stop the engine, and keep away from fire. Wait until the en-
gine cools down, before performing any checks.
6-1 Checking Engine Oil
When checking for engine oil, be sure to keep the equipment
leveled, and insert the oil gauge all the way in.
Prior to starting the equipment, make sure to fill the engine oil
to the HIGH level through the oil inlet.
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OIL GAUGE (YELLOW)
SIDE DOOR
OIL PLUG (YELLOW)
OIL FILLER
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