Shindaiwa Dgw310Dmc Users Manual MC Owner's

DGW310DMC to the manual 171e850c-4366-4b5d-b104-a7476eee1548

2015-01-05

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CERTIFIED

OWNER’S MANUAL
GENERATOR / WELDER

DGW310DMC
DGW310MC
Sound Proof
Vertical, Water-Cooled
4-Cycle Diesel Engine

Caution
Do not operate the generator/
welder, or any other appliance,
before you have read and
understand the instructions for use
and keep near for readily use

Table of Contents
1. Safety Guidelines ···················································2
2. Specifications ·························································6
3. Use ···········································································7
4. Parts ········································································7
5. Incorporated ···························································10
5-1 Eco Welding
10
5-2 Display
10
5-3 Frequency Change
10
5-4 Monitor Lamp
10
5-5 Remote Control (Option)
12
5-6 Earth Leakage Relay/Grounding
13
5-7 Slow-Down Feature
15
6. Initialization & Pre-check ·······································16
6-1 Checking Engine Oil
16
6-2 Checking Coolant/Water
17
6-3 Checking Fuel
18
6-4 Leakage Check for the above
18
6-5 Checking Battery
19
7. Operation ································································20
7-1 Start
20
7-2 Stop
22
8. Welding Operation ··················································22
8-1 Selection – Welding Cable
22
8-2 Polarity
23
8-3 Connection – Welding Cable
23
8-4 Welding
24
9 Generator Operation ·············································26
9.1 Output Range
26
9-2 Output Limitation
27
9-3 Operation
28
10 Simultaneous Use – Weld & Generate ··············30
11 Checking & Maintenance ····································31
12 Long-term Storage ··············································36
13 Trouble Shooting ················································37
14. Warranty Sheet (Type B) ········································39

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Introduction
T hank you for purchasing Shindaiwa Sound Proof Diesel Engine Generator.

●T his user manual was prepared to ensure the safe operation of this equipm ent. T herefore,
the m anufacturer of this equipm ent strongly recommends that the user follow the
instructions herein, to avoid unnecessary accidents and repairs.

● Please operate this equipm ent after thoroughly reviewing and understanding the contents of
this manual.

● Please attach this manual, if the equipm ent will be sub-leased.

● Please store this manual near the equipment for easy reference.

● Following conversion will be used throughout the manual to indicate the degree of cautions.

Danger: Can cause serious injuries or death

Caution: Can cause minor injuries or damage to the equipment or other
properties.

＜Caution＞:

●

Other types of caution

Even som e of the items noted in 『

Caution』may lead to serious injuries.

Please read every item and follow all the safety guidelines.

1. Safety Guidelines
Danger: Suffocation from exhaust fume
● Exhaust fume from the engine contains many elements harmful to human.
Do not operate this equipment in poorly ventilated areas, such as inside a
room or in a tunnel.

Danger: Electric Shock
● Do not touch the output terminals during operation
● Do not insert metal objects (such as pin or wire) into receptacle
● Do not touch wires or electric parts inside the equipment during operation.
● Before connecting or disconnecting a load cable from output terminals, always turn the circuit
breaker to OFF position.
● Before connecting or disconnecting a load cable from output terminals, always turn the circuit
breaker to OFF position.
● Before connection or disconnection a welding cable from DC output terminal, stop the engine
and remove the engine key.
● Before performing any equipment check or maintenance, stop the engine and remove the
engine key. A maintenance person should always keep the key.

Danger: Burns
● 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
● Close all doors and place locks during operating this equipment, to avoid injuries by
unintentional touching a cooling fan and fan belt.

Caution: Suffocation from exhaust fume
● Do not point the exhaust fume toward pedestrians or building.

Caution: Suffocation from exhaust fume
● 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 ventilation also in order to prevent from
inhaling the fume.

Caution: Injuries to eye and skin
● 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.
● Battery fluid contains diluted sulfuric acid. Avoid contact with eyes skin or on clothing.
If the acid comes in contact, especially with eyes, flush water with a lot of water and contact a
physician immediately.

Caution: Electric Shock
● Do not flush water onto the equipment nor operate it in the rain.

Caution: Explosion
● Do not use the equipment or charge the battery, in the case the battery fluid level is lower than
the LOWER level.
● Battery may emit some combustible gas, so keep it away from fire and sparks.

Caution: Fire
●The equipment run on Diesel Oil. When refueling, always stop the engine and keep away from
fire. Moreover, always wait until the engine cools down before refueling.
● Always wire any drip of Diesel fuel or lubrication oil. Do not use this equipment when any leak is
found. Repair it before use.
●Tem per at ur e ar ou n d m uff ler an d ex h aus t c an ge t ex tr em el y h i g h. K e ep an y
i nf l am m abl e i tem s ( s u c h as f ue l , gas , pai n t, etc .) a wa y f r om th e e q u ipm en t.
● Always operate this equipment on flat surface, at least 1 meter away from any objects (wall, box,
etc.)
● Always operate this equipment on flat surface and at least
1 meter away from any objects (wall, box, etc.)
● Do not connect AC output to any indoor wiring.
● A l wa ys wa it u nt i l t he e qu i pm ent c o o ls do wn , bef or e p lac i n g an y c o v er in g
m ater ia l f or s to r a g e.

Caution: Burns
● Do not touch the engine and muffler during operation and immediately after stopping the equipment,
for the temperature can reach extremely high.
● 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 plug during operation, hot oil may cause some
injuries.
● Be sure to wear leather gloves, apron, shoe covers, eye protection glass (es) (mask), safety shoes,
and safety cap and long sleeve shirts, because welding splashes spatters.

Caution: Injuries
● When lifting the equipment, always use a lift hook. Do not lift the handle, for it may cause the
equipment to drop due to handle breaking off.
● When carrying the equipment by truck, fix it strongly to keep the equipment from sliding as roping
two points of handle.
● Always place the equipment on a flat and stable surface, to keep it from sliding. Be sure to lock the
wheels for with wheel type.
● When starting the engine, turn off the connected equipment
● And set the circuit breaker to『OFF』position.
● Do not move the equipment during operation.
● When performing equipment check and maintenance, always stop the engine.
● Do not operate the equipment if the equipment are modified or parts are removed

■Location of warning labels
When any warning label becomes unreadable or damaged, place a new label on the appropriate location.
When ordering a new label, use the following part number.
1. Suffocation from exhaust fume

(No.19402-00106)

2. Suffocation from welding fume

(No.19402-00107)

3. Electric Shock

(No.19402-00102)

4. Electric Shock

(No.19402-00103)

5. Injuries

(No.19402-00109)

6. Burns

(No.19402-00108)

7. Burns

(No.19402-00112)

DGW310DMC
7

6
1
2

4
5

3
DGW310MC
7

3
4
5

2. Specifications
Model

DGW310DMC

DGW310MC

Generating Method
Rated Current
Rated Load Voltage

30.4／31.2

(V)

Rated Duty Cycle
Rated Speed

(%)
-1
（min )

No Load Voltage

100
3000／3600

(V)

Adjustable Range

Welding generator

Rotating Field
260／280

(A)

MAX 85
30～160

(A)

Welding Rod
Output

Adjustable Range

change

Welding Rod

(φ)

Adjustable Range

(A)

Rated Frequency
Rated Speed

Eco
2.0～4.0

(φ)

Normal
2.6～6.0

2.0～6.0

35～150/45～160
Dual
2.0～4.0

(Hz)

50/60
3000／3600

-1
（min )

1-Phase

Rated Voltage

(V)

100/110

Power Factor

3-Phase
200/220

200/220

1.0

Rated Output

(kVA)

0.8

6
Receptacle1.5kVA×2 and
output terminal

8
(Output Total)

Rate

9.9

Continuous

Model

Kubota D722

Method

Vertical In-lined Water Cooled 3 Cylinders Diesel Engine

Displacement

(L)

0.719

(kW{PS}/ min-1)

Rated Output

11.7{15.9}/3000

Fuel

14.0{19.0}/3600

Diesel Fuel No.JIS2

Lubricant

API Class CD or better

Lubricant Volume

(L)

Coolant Volume

3.8(effective1.4)

(L)

3.0(including sub tank 0.6)

Starting Method

Starter Motor

Battery

46B24L

Fuel Tank Capacity

(L)

Length
Dimension

35～280/45～310

Single

Phase

Engine

2.0～4.0

70～280/85～310

(A)

Welding Rod

AC Generator

30～160

Eco

1410 (1280 Canopy Length)

(mm)

Width

(mm)

566

Height

(mm)

760 (870 with wheel)

Dry Weight

(kg)

338 (348 w/wheel)

333 (343 w/wheel)

Full Weight

(kg)

382 (392 w/wheel)

377 (387 w/wheel)

3. Use
● Arc Welding
● Electric Tools and Home Appliances
● Power Supply to lights

Caution：Damage to the property and secondary damage
●Do not use other than the above purposes
●Never use it without consulting with medical equipment manufacturer, doctor, hospital and
obtaining confirmation in Hospital.

4. Parts
DGW310DMC
Breaker

Display

Starter Switch

Display Change SW
Slow Down SW
Frequency Change SW
Output Change SW
Welding Terminal B

Welding Terminal A

Fuse

、

(Upper10A Lower 50A)
Battery

Front Door

Under Plate
Grounding Terminal

DGW310MC
Breaker

Display

Starter Switch

Display Change SW
Slow Down SW
Frequency Change SW
Output Change SW
Welding Terminal

3P Output Terminal

、

Fuse(Upper10A Lower 50A)

Battery

Front Door

Under Plate
Grounding Terminal

DGW310DMC

Air Cleaner

AC 1-P 100V output

Sub tank

Oil gauge
AC 3-P 200V out

ELCB grounding terminal

Oil inlet

Fuel lever /Strainer

Fuel drain plug

Oil drain plug

Water drain plug

DGW310MC

Air Cleaner

Sub tank

Oil gauge

Oil inlet
Fuel lever /Strainer

Fuel drain plug

Oil drain plug
Water drain plug

DGW310MC

DGW310DMC

Oil filter

Fuel inlet

Lift hook
Exhaust gas outlet

Handle
Handle

5. Incorporated
5-1. Eco Welding
The equipment is incorporated in Eco Welding Feature that is aiming at performing
The low noise, the lower fuel consumption and the low gas emission than those of conventional models.
When you turn the selector switch to Eco, you will be able to weld with Max 4.0mmφ rod at the slow
down speed.
＜Caution＞

●When welding is performed, do not turn the output selector switch which causes the burnout of the
switch
●Eco is designed for welding only. The breaker activates to TRIP, in case it is used for AC Output

5-2. Display
The equipment is incorporated in Digital Display. It displays『Voltage』,『Hour』,『Speed』successively,
by changing the display selector switch.
＜Caution＞

●During operation, voltage meter always displays the voltage in 200/220V, 3-Phase both at the
breaker position『ON』 and『OFF』.

5-3. Frequency Selection
Selector either 50 or 60Hz by the selector switch on the front panel, in accordance with the load
frequency.

5-4. Monitor Lamp
The equipment incorporates monitor lamps as

『Water

Temperature』,『Battery Charging』 and『Oil

Pressure』.
Under normal condition, when the starter switch is turned from『STOP』to『REN』, the lamps of,『BATTERY
CHARGING』and『OIL Pressure』 turned To ON and all the lamps turn to OFF after the Engine starts.
When abnormality happens in running, monitor lamps flicker
And the engine stops automatically.
In the case the automatic shutdown is engaged, turn the starter switch to STOP once, and then restart
the engine. When the automatic shutdown is engaged again, check which lamp turns ON or OFF and
point out where the abnormality is.
Water Temp

Charge

Oil Pres

Preheat

(1) Water Temperature Monitor Lamp

Danger: Injuries
●Close all the doors and place lock during operation, to avoid injuries by unintentional touch of cooling
fan or fan belt.

Danger: Burns
●Do not open the radiator cap while operating this equipment or immediately after

Caution: Burns
●Do not touch the engine and muffler during operation and immediately after stopping it, for

When the water temperature rises abnormally, the water temperature lamp flashes and the automatic
shutdown will be engaged.
When this happens, check water tank and replenish if needed.（Refer to『6-2. Check the water
temperature』
If the water level is normal, there may be possibility of overload. Always use the equipment within the
rated duty cycle and output power.

(2) Battery Charge Monitor Lamp
When the battery charge becomes unable during operation, the monitor lamp flashes and the automatic
shutdown is engaged.
Please consult with our authorized distributor or service section.

＜Caution＞

●The monitor cannot detect battery degradation or insufficient battery liquid.
Be sure to check battery liquid level periodically.
(Refer to『6-5. Battery Check

』)

(3) Oil Pressure Monitor Lamp

Danger: Injuries
●Close all the doors and place lock during operation, to avoid injuries by unintentional touch
of cooling fan or fan belt.

Caution: Burns
●Do not touch the engine and muffler during operation and immediately after stopping it,

for the

temperature can reach extremely high
●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 plug during operation, hot oil may cause
some injuries.

When the oil pressure drops during operation, the monitor lamp flashes and the automatic shutdown is
engaged. When this occurs, check the engine oil level and replenish the maximum level if needed.
＜Caution＞

●The monitor cannot detect the degradation of engine oil. Please check engine oil periodically and replenish if
needed.
(Refer to『11. Checking and Maintenance』)
●Check fuse next, when the abnormality other than『Water Temp』,『Charge』or『Oil Pressure』is detected.
If a fuse is burnet, consult with our authorized distributor or our service section, because there may be an
abnormality of electric/electronic parts or wiring and repairing may be required.
(Refer to『4. Parts』)

5-5. Remote Control Box (Option)
You can make remote control by connecting our remote control box

DMC

■How to connect remote control box

cover

1. Remove the remote control
Receptacle cover.
（DMC:
（MC:

screw

M5 Screw x 2 pcs）

M4 Screw x 2 pcs）

cover

screw

2 Insert the extension cord plug into
The receptacle.
In case of DGW310DMC, insert either A or B to be remote controlled.

3 Insert the plug into the receptacle of extension cord reel.
You can use 3 reels in series (30mx3)

＜Caution＞
●Never connect a remote control box plug to a receptacle of extension reel connected to AC100/110 Output
receptacle in the equipment. The abnormality lamp in the box turns ON to show abnormality when it is
connected by mistake.
●Never connect any device to a receptacle in the extension reel other than a remote controller.
●In case of using the cord reel incorporating ELCB set the ELCB ON and use.

5-6. ELCB and Grounding

Danger: Electric Shock
●Ground every grounding terminal to the earth as set in the manual. If even one of all is unconnected by
mistake or accident, it will make much more dangerous for human than the NO RELAY case, because
leaking current inevitably goes through the body.
●Even though all the terminals of the loads have been grounded to the earth, the bonnet grounding
thermal should be grounded to the earth.
●Grounding should be made after the engine stopped.
●Whenever the ELCB relay has activated, you should repair the leaking part always first of all.

＜Caution＞

●The ELCB activates only for AC output.
●ELCB activates when AC output is used with the output selector switch at『ECO』position for protection
load damage.

The circuit breaker is incorporated with ELCB to protect electric shock
The breaker trips when current leakage is detected due to insufficient insulation of loads
The specifications of ELCB are as follows.
●Rated Sensitive Current
●Activation Time

less than 30mA (Grounding Resistance less than 500Ω)

less than 0.1 second

(1) Grounding
A qualified electrician should perform the grounding work for the following 3 points. (Ground Resistance
less than 500Ω)
●The ELCB grounding terminal
●The bonnet grounding terminal

ELCB Grounding terminal

●The load bonnet terminal

＜Caution＞
Bonnet Grounding terminal

●In the event you cannot ground, consult with our
authorized distributor or our service section.
Earth lod

(2) Operation Check

1. Turn a tarter switch from『STOP』to『RUN』.
2. Set the breaker lever to『ON』.
3. Push a test button in the breaker.
(The device is normal when ELCB Lamp (Red) turns ON and the lever positions at the middle of
『ON』and 『OFF』).

4. Push the reset button.
(The ELCB lamp (red) turns OFF)
5. Push down the breaker lever『OFF』.
6. Proceed with engine start procedure once returning a starter switch to

『STOP』.

In the event you cannot complete all steps as above, the device is out of order. Consult with our
authorized distributor or our service section.

ELCB Lamp

Reset Button

Test Button

(3) The ELCB has activated
Caution: Electric Shock/Injuries
●Be sure to disconnect all the loads to the equipment when turning the breaker ON
again after ELCB has activated.

ELCB lamp (Red) turns ON and the breaker lever positions at the middle of『ＯＮ』and『OFF』.
In that case, reset the ELCB per the following procedure after having finished the leaked points.
1. Push the reset button.
2. Push the breaker lever down to『OFF』.
The above procedure brings restoration of the breaker lever to『ON』.

＜Caution＞

● In the case ELCB monitor lamps keep OFF on using, it means that
AC Output over supply or AC output Supply under output selector switch positions at ECO. Refer to 『9-3.
Operation』 to recover.

5-7. Slow-down Feature
The Slow-down feature is to set the engine speed low automatically (in about 8seconds) for the purpose of
reducing noise and fuel consumption, whenever no welding operation or electric supply is performed.
In the case of using the Slow-Down feature, turn the slow-down switch to ON. By the condition, the engine
automatically moves to high speed, whenever welding operation or electric supply starts.

△

Caution: Damage to properties
●When using the load with magnet switch, turn the slow-down switch

『OFF』.

＜Caution＞

● When the load less than 0.5A are connected to use, the slow-down feature does not function
sometimes. So, turn the switch『OFF』.
● When welding and AC supply are used alternately or intermittently, turn the switch
● When the output selector switch is at

『ECO』,the

『OFF』.

engine does not turn to high speed.

6. Initialization and Pre-check
△

Caution: Fire/Burns/Injuries

● When checking engine, always stop the engine and keep away from hire.
Wait until the engine cools down before performing any check.

6-1. Engine Oil
When checking engine oil, be sure to
Keep the equipment leveled and insert

Oil Gage ﾞ

The oil gauge all the way in.
Before starting the equipment, make
Sure to fill the engine oil to the UPPER
Line through the oil inlet.

Oil Plug

Oil Drain Plug ﾞ

Oil Inlet

＜Caution＞

●If the equipment is not levels, you cannot obtain accurate oil level. Do not overfill (over UPPER line) the
engine oil. The excessive oil may damage the engine (inside cylinder).

■Selection of proper engine oil
Select the proper viscosity engine oil in compliance with ambient temperature. (Refer to the chart below)
＜Caution＞

●Use the API class CD or higher.
Viscosity and temperature
Temperature

Over+20℃

+10～+20℃

-10～+40℃

Viscosity

SAE30

SAE20

SAE10W/30

6-2. Coolant and Water

Danger: Injuries
● Close all doors and locks during operating equipment to avoid injuries by accidental touch cooling fan or
fan belt.

Danger: Burns
● Do not open the radiator cap while operating the equipment or immediately after stopping the equipment to
avoid sustaining burn from hot vapor.

Caution: Burns
● Do not touch the engine or muffler during operation or immediately after stopping the equipment for
the temperature can reach extremely high.

Check to see if the coolant/water level is between『FULL』and『LOW 』in the sub tank.
If it is below

『LOW 』level,

fill he tank and the radiator accordingly.

(1) Filling the sub tank
Cap

1. Remove the sub tank cap.
2. Fill up the sub tank to『FULL』level.
3. Install the cap again.

Sub Tank

(2) Filling the radiator
1. Open the top plate.
2. Remove the radiator cap.
3. Fill the radiator up to the top/
4. Install the cap again and tighten.
5. Close the top plate.

Sub tank

＜Caution＞

● Use Long Life Coolant to prevent from freeze and rust.
(30% mixture LLC is filled when shipped out from factory)
Top Door

Radiator
Cap

17
Water Inlet

● Mixture ratio of the coolant should be 30%-45% depending on the ambient temperature.
● Replace LLC at every year or 2000 hours.

Recommended LLC concentration (for reference only)

℃

Lowest Temp.

-15

-20

-30

Mixture Ratio

30%

35%

45%

6-3 Fuel
Caution: Fire
●Always wipe any drip of fuel. Do not use the equipment when any leak is found.
Repair the equipment before use.

Check the fuel level and add the fuel if it is necessary.

＜Caution＞

℃

●Use Diesel Fuel JIS No.2 in the event ambient temperature down to -5
●In colder area, use JIS No.3 (down

℃

Tank Cap

To -15 .) or JIS No. Special 3
(down to -25

℃)

Strainer

●Always use fuel strainer in the
fuel inlet.
●Fill the fuel tank slightly less
than the FULL tank.
Fuel Inlet

6-4.Fuel, Engine Oil and Water Leakage
Caution: Fire
●Do not use the equipment when any leak is found. Repair the equipment before use.

Be sure to check any leakage for fuel, oil and coolant/water at the hose connections by opening the side
doors. Whenever checking leakage, turn the fuel lever OPEN and be sure to close the fuel lever after
checking.

6-5 Battery
Caution: Injuries to eye and skin
● Battery Fluid contains diluted sulfuric acid. Avoid contact
with eyes, skin or clothing.
● If the acid comes to contact, especially with eyes, flush with a lot of water and contact to a doctor
immediately.

Caution: Explosion
● Do not use the equipment or charge the battery in the case battery

Fluid level is lower than the LOWER level.

● Battery emits some combustible gas, so keep it away from fire and spark.
1. Check the fluid level. If the level is near or
Terminal

lower than the LOWER level, add distilled
water until the fluid level reaches UPPER.
2 Make sure that the battery cables are firmly

Upper level

secured to the posts.

Lower level

Tighten the clamps if it is necessary.

＜Caution＞

● Check the hydrometer of the battery fluid. If it falls below 1.23, the battery requires recharging. Consult
with our authorized distributor or our service department.
■Replacing battery
1. Remove the under plate.
Ins Cap
+ terminal

(M6 bolt x 2)

Fix Plate

Terminal

2. Remove the cable on『-』side.
(Always on『+』side first)
3. Remove the battery fixing plate.
4. Remove the cable on『+』side.
5. Remove the battery.

Under Plate

Reinstall a new battery in the reverse order.
(Install always the cable to the

『+』positive post first in a new battery.

＜Caution＞

● Use the following battery.

＜46B24L＞

● When replacing a battery, remove the under plate firstly. Otherwise the battery slanted and the fluid
may leak and contact to eye or skin.

7. Operation

Danger: Suffocation from exhaust fume
●Exhaust fume from engine contains many elements harmful to human. Do not operate this
equipment in poorly ventilated area such as inside room or in tunnel

Caution: Suffocation from exhaust fume
●Do not point the exhaust fume toward pedestrians or building.

Caution: Fire
●Temperature around muffler and exhaust can get extremely high. Keep any inflammable items
(such as fuel, gas, paint, etc.) away from the equipment.
●Always operate this equipment on flat surface and at least 1 meter away from any objects (wall,
box, etc.)

Caution: Injuries
●Always place the equipment on flat and stable surface to keep the equipment from sliding and lock
wheels if they have.
●Before starting, turn the load switch OFF and set the
Equipment breaker『OFF』.

7-1. Starting
1. Turn the breakers to『OFF』.
2. Turn the fuel lever to『OPEN』.
3. Turn the Slow-Down Switch to『ON』.
4. When the temperature is below 5℃ turn and keep the starter Switch at『PREHEAT』until the preheat
lamp turns OFF (about 5 seconds).
5. Turn the starter switch to『START』. And then the engine starts by the starter motor.
＜CAUTION＞

● Do not drive the starter motor for more than 15 seconds successively.
● If you need to restart, wait for 30 seconds or more before retry.

6. Once the engine has started, release hand offs the starter switch.
＜Caution＞

● Once the engine has started, never turn the switch to『START』.

7. Keep the engine idle for about 5 minutes.
Slow-down switch
Breaker
Starter

Fuel lever

Open

■Restarting after stopping due to fuel shortage
This equipment is incorporated in automatic vacuuming air feature. Therefore, even though the engine
stops due to fuel run out, you can restart the engine easily by the following steps.
1. Turn the breakers to『OFF』
2. Turn the starter switch to『STOP』.
3. Fill the fuel.
4. Turn the slow-down switch to『ON』.
5. Turn the starter switch to『START』and drive the starter motor for about 10 seconds.
6. Release the starter switch, promptly as the engine started.
7. Wait for about 1 minute to vacuum the air out. The engine peed becomes stable when the air is
extracted.

＜Caution＞

● Never turn the engine NORMAL speed or connected the loads until the air is extracted completely (until
the engine becomes stable).

7-2 Stopping
1. Turn the breaker to『OFF』.
2 .Turn the slow-down switch to『ON』.
3. Keep the engine (cool down) for about 5 minutes.
4. Turn the starter switch to『STOP』.
5. After the engine stops, turn the fuel lever to『CLOSE』.
＜Caution＞

● When the engine will not stop in spite of turning the starter switch to STOP, turn the fuel lever to CLOSE,
then the engine will stop in a few minutes. In this case, be sure to consult with our authorized distributor
or our service section and ask to repair.

8. Welding Operation
8-1. Selection – Welding Cable
Select the cable in proper gauge, based on the allowable amperage and the length, per the table shown
below.
The welding capacity is to reduce if the small gauge or long cable is used.
＜Caution＞

● Welding cables should be used unstrained. When the welding cable are used in swirl, the welding
capacity is to reduce

Size of Cable（Unit：mm

2
）

Return

20m

30m

40m

60m

80m

100m

300A

100

125

250A

100

200A

150A

100A

Length

Current

8-2. Polarity
There are 2 welding output terminals『+』and『

- 』.

Select the polarity according to the operation, referring to the table below.
＜Caution＞

●Welding Rods
Application
Normal

Reverse

Connection

General Welding such as

to Holder (Rod)

construction

+ to Earth (Material)

Thin Plate, Build-UP Welding

- to Earth (Material)

Stainless Steel

+ to Holder (Rod)

8-3. Connection – Welding Cable
Danger: Electric Shock
● Before connecting or disconnecting welding cable to terminal, stop the engine and
Remove the engine key. A person performing should always keep the key.

1. Stop the engine
2. Connect a cable to a crimping terminal, a rod holder and

Rod Holder

Cable

a material holder.
3. As to DGW310DMC, connect the cable

Crimping terminal

referring the chart below.

Holder

ECO (Single)

Single

Dual

Rod

Φ2.0～φ4.0

Φ2.6～φ6.0

Φ2.0～φ4.0
Welding Output Terminal

Welding Output

Terminal A

A
&
Welding Output Terminal
B

＜Caution＞

●Be sure to crimp a crimping terminal to a cable and connect the cable to welding cable to welding
output terminal. Otherwise the terminal may burn out by the heat due to insufficient connections.
● Use a cable with a crimping terminal. To weld binding bare wires to an output terminal, the terminal
may burn out by the heat caused by insufficient connections and also bare wires may touch the
bonnet to bring short-circuit.

8-4. Welding
Caution: Suffocation from welding fume
● Be sure to wear a welding mask in operation, because welding fume contains poisonous
gas and dust. Pay full attention to the airflow and direction and sufficient ventilation also in
order to prevent from inhaling fume.

Caution: Injuries to eyes and skin
● Be sure to wear spark protection glass (refer to the table below), longsleeve shirts, gloves, etc. in order to protect eyes and skin from harmful
spark in welding.
Standard for Spark Protection Glass (Japan Industrial Standard)

No.
Current (A)

30～75

76～200

201～400

Caution: Fire
● Keep any inflammables and easily burning item away from the place in welding, because
welding splashes spatter.

Caution: Burn
● Be sure to wear leather gloves, apron, shoe covers, eye protection glass, safety shoes, safety cap and
long-sleeve shirts, because welding splashes spatter.

＜Caution＞

●Never turn the output selector switch during welding, because
it must cause the burnout of the switch.

(1) DGW310DMC
The equipment can be operated 2 persons simultaneously.
Each person can adjust the welding current individually.
The current adjustable range by the dial changes at the output
selector switch position.

Current
Dial A

Current
Dial B

1 Turn the selector switch properly according to operation.
2 Adjust the voltage by the current adjustable dial. Refer to
the following chart next.

Selector
Switch
Terminal A
Terminal B

Position

Welding Current

Freq
MIN

50Hz

135

60Hz

110

50Hz

60Hz

ECO
1 Person

Single

2 Persons

Dual

at the dial position (A)
4

MAX

120

145

160

175

215

260

280

155

200

245

290

310

115

140

150

105

125

150

160

The values are for reference only. The length or the ambient temperature each affects the value.
When the remote control box is used, the value may change to some degree.

(2) DGW310MC
The current adjustable range by the dial changes at the output selector switch position.
1 Turn the selector switch properly according to operation.

Current
Dial

2 Adjust the voltage by the current adjustable dial. Refer to
the following chart next.

Selector
Switch

Output
Terminal

Position

Freq

MIN

MAX

120

145

160

50Hz

110

160

205

255

280

60Hz

125

180

230

285

310

ECO
Regular

Welding Current at the dial position (A)

The values are for reference only. The length or the ambient temperature each affects the value.
When the remote control box is used, the value may change to some degree.

9. Genrating Operation

9-1. Output Range
(1) 3-P 200/220V

(3-P 4-Wires)

Maximum output from the terminals at 200/220
9.9kVA

UP to 9.9 kVA

(2)1-P 200/220V
1-P 200/220V is supplied by 1 pair out of 3 terminals.

Max. output by 1 pair is 6kVA and the maximum
output for 3 pairs total is 8kVA, which please note.
You should connect the load for 3 pairs evenly as

Up to 6kVA

possible to terminals.
Up to 6kVA

Total 8kvA max

(3) 1-P 100/110V
1-P 100/110V is supplied by 2 receptacles and1-P

up to 1.5kVA
Receptacle

terminal set. Max 1.5kVA is supplied through 1

Up to 1.5kVA

receptacle and max 3kVA is supplied from 1-P
terminal set.
Terminal

Max output by 2 receptacles and
1 terminal set is 6kVA.

Total 6kVA

up to 3kVA

9-2. Output Limitation
Please refer to the table below, because electric tools and home appliances cannot be judged only by the
rated.
The rated output or the power consumption due to the efficiency and character of components.
Applicable Load (For reference only)
Capacity(kW)
1-P 100/110V

Loads

＆

1-P 200/220V

3-P 200/
220V

1pce

Terminal
1 set

Terminal
receptacle
total

Terminal
1 set

Total 3 terminal
set

Terminal

Electric Bulb, Heater, etc.

1.5

3.0

6.0

8.0

―

Electric Tools, etc. (Series
motor)

0.7

1.5

3.0

4.0

―

Mercury Lamp (high power
factor type)

0.6

1.2

2.4

3.2

―

Submersible Pump,
Compressor, etc. (induction
motor)

0.6

1.2

2.4

3.2

4.0

Receptacle

－２６－

Series Motor
Induction Motor

：Motor

with brush

：Brushless

Motor

The value described is『OUTPUT』for induction motor load and
『POWER

CONSUMPTION』 for the other equipment.

＜Caution＞

● Be sure to use the frequency designated in the equipment incorporated in mercury
bulb or induction motor.
● The load incorporated in motor may require bigger power than the rated power
consumption.
So, consult with our authorized distributor or our engineering section to clarify.
● When connection to use 2 or more sets, start the load one by one, not to start them simultaneously.
● When starting a mercury bulb ON again, wait for about 15 minutes until it cools down.

9-3. Operation

Danger: Electric Shock
●Before connection or disconnecting a load cable from the receptacle, always turn the circuit breakers
(3-P and 1-P) to OFF. And stop engine and remove the engine key. A person to perform it should
always keep the key.
●Ground every grounding terminal to the earth as set in the manual.
If even one of all is unconnected, by mistake or accident, it must be much more dangerous for human
body than NO CONNECTION, because a leaking current inevitably goes through the body.
●Even though all the current leakage relays in the loads have been grounded to the earth, the
grounding terminal and the bonnet (canopy) should be grounded to the earth.
●Grounding should be made after the engine is stopped.
●Whenever the current leakage breaker activates, you should repair the leaking point first of all.

Caution: Injuries

●Be sure to connect to the output terminals or insert a plug to a receptacle, after confirming that all the
switches in the loads are positioned at OFF.
●Be sure to select the correct frequency, designated in the loads.

Caution: Damage to the property – Aftermath
●Whenever connecting to use medical equipment or appliances, be sure to consult
with the medical equipment company, doctor or hospital personnel.
●Be sure to select the correct frequency, designated in the loads.
Otherwise the loads may be damaged.

＜Caution＞

●The AC volt meter reads 3-P 200/200V apart from the circuit breakers position at

『ON』

or『OFF』

when the engine driving.

After the engine starts（Refer to

『7-1.Starting』,

operate as per the

following procedures.

1 Turn the power switch off on the load.
2 Check and confirm the breakers position at

『OFF』.

3 Select the correct frequency, designated in the loads.
4 Connect the loads to receptacle or terminals.
5 Close the terminal cover and fix it with the bolts.
6 Turn the breakers to

DMC

『ON』.

Output Terminals
Breaker

3-P/1-P 200/220V

1-P 100/110V

Output
Terminal
Cover
Receptacle

Breaker

Output Terminals

Receptacle

Terminal
Cover

1-P/3-P
200/220V
Output
Terminals

1-P 100/110V
Output Terminals

■ Return -The circuit breaker has activated due to overload

Caution: Injuries
●Be sure to turn the power switch to OFF on the load when returning the circuit breaker to ON again,
when the circuit breaker has activated.

When the electric supply exceeds the rated output, the breaker activates to trip in order to shut down the
circuit. Check the breakers when the load stops operation.
ELCB lamp is to turn OFF in the case of overload shutdown. When the lamp keeps ON, refer to『5-6.
ELCB and Grounding』.
When any breaker has activated, return the circuit breaker per the followings procedure.
1 Turn OFF all the power switches on the loads.
2 Once push down the breaker lever to『OFF』, push up the lever to『ON』.
＜Caution＞

●Take care for overload, referring to『9-2 Output Limitation』
●The breaker activates when having used AC output in the selector switch at 『ECO』position. In the
case stop using AC supply and return the breaker as above.

10. Simultaneous use of Generating and Welding
The circuit breakers react on the AC power supply circuit only. In the simultaneous use of welding and
generating, there may be happen overload to the engine. Refer to the following table and limit AC power use.
Limitation of AC Power Supply in the simultaneous use of welding and generating (60Hz)
DGW310DMC
Welding Output

AC Power Output

Rod/Current

Select

3-P Output (PF 0.8)

1-P Output

φ2.0mm/60A

Dual

9.3kVA

7.4kVA

φ2.6mm/120A

Dual

7.2kVA

5.7kVA

φ3.2mm/140A

Dual

6.4kVA

5.1kVA

φ4.0mm/170A

Dual

5.2kVA

4.1kVA

φ5.0mm/240A

Single

2.0kVA

1.6kVA

φ6.0mm/300A

Single

0kVA

The 1-P figure shown is the total output of 1-P 100/110V and 200/220V.
DGW310MC
Welding Output

AC Power Output

Rod/Current

Select

3-P Output

1-P Output

φ2.0mm/60A

Regular

9.3kVA

7.4kVA

φ2.6mm/120A

Regular

7.2kVA

5.7kVA

φ3.2mm/140A

Regular

6.4kVA

5.1kVA

φ4.0mm/170A

Regular

5.2kVA

4.1kVA

φ5.0mm/240A

Regular

2.0kVA

1.6kVA

φ6.0mm/300A

Regular

0kVA

The 1-P figure shown is the total output of 1-P 100/110V and 200/220V.

＜Caution＞

●Simultaneous use of Welding and AC Power is NOT available.
●Avoid simultaneous use in the case high welding quality is required.

11. Check and Maintenance

Danger: Electric Shock/Injuries
●Before checking, stop the engine and remove the engine key which to be kept by the person to do.
●Do not open the doors during operation or just after, because the cooling fan or driving belts can enwind the
body.

Danger: Burns
●Never open a radiator cap during operation or just after operation, because of avoid
burns from hot vapor.

Caution: Fire/Burns
● Keep the equipment far away from fire.
● Do not touch the engine and muffler during operation or immediately after stopping the equipment, for the
temperature reaches extremely high.

Caution: Injuries to eyes and skin
● Battery fluid contains diluted sulfuric acid. Avoid contact with eyes, skin or on clothing.
● If the fluid comes in contact, especially with eyes, flush with a lot of Water and contact to a physician
immediately.

Caution: Explosion
● Do not use the equipment or charge the battery, in the case the battery fluid level is lower than LOWER

level.
● Battery may emit some combustible gas, so keep it away from fire and sparks.

＜Caution＞

● Besides pre-check before operation, qualified person only should do check and maintenance.
● Our authorized distributor or our service section only should do the job marked ● in the table.
● Use the genuine parts only for replacement.
● Use the tray to receive when draining the waste fluids.
● Be sure to comply with the regulations when discarding hazardous substances such as oil, fuel, coolant (LLC), filter,
battery, etc.

● To protect the environment, never discard the waste fluid to the grounds, the rivers, lakes, the oceans,
etc.
To optimize the use of the equipment, be sure to perform the check and maintenance based on the following
table. Use the hour meter on it as rough standard for operation time

Check Time
Check Items

Startup

Every

100 hrs

200 hrs

400 hrs

1000 hrs

2000 hrs

At 50 hrs

1 Check and supply fuel

○

Check and supply engine

○

2
oil

1st

2 or after

○

3 Change engine oil

1st

2 or after

○

4 Change oil filter

5 Check/Add water/coolant

○
○

6 Change Water/Coolant
Or 2 yrs
1st

2nd or after

○

7 Clean Fuel Strainer

○

8 Change Fuel Filter Element

Drain Water/Clean Fuel

○

9
Tank
Check Leakage Fuel, Oil,
10

○
Water

11 Check Battery Fluid/Add Fluid

○

1st

2 or after

○

12 Clean Air Element

○

13 Change Air Filter Element

1st

2nd or after

●

14 Adjust V Belt Tension

●
15 Change V Belt
Or 2 yrs

Check Time
Check Items

Startup

Every

100 hrs

200 hrs

400 hrs

1000 hrs

2000 hrs

At 50 hrs

Clean Radiator Fin

●

16
(Outer)

●

17 Clean Radiator (Inner)

Change Fuel Hose, Coolant

●

18 Hose, Oil Hose,
Anti-Vibration Rubber

Or 2 yrs

Adjust/Plane Engine

●

Adjust

Plane

19
Valve Clearance

●

20 Check/Adjust Injection Nozzle

Check/Adjust Injection
21

●
Nozzle

(1)Change Engine Oil
st

At 50 hrs

Every 100 hrs

2 or after

Oil Gauge ﾞ

1 Remove the oil plug.
2 Remove the oil drain plug and

Oil Inlet Oil Gauge

drain the oil completely.
Oil Drain Plug

3 Reinstall the oil drain plug tightly.
4 Checking the oil level by the oil level

gauge, replenish oil up to the UPPER level though the oil inlet.
(About 38 Liter)
5 Reinstall the oil plug tightly.
＜Caution＞

●Refer to『6-1. Check Engine Oil』to decide Engine Oil.

●Change the packing to the new one in the oil drain plug whenever changing engine oil.
●Packing No.:

６C090―58961

(Kubota)

●After reinstalling the oil drain plug tightly, keep the engine drive for a while to check no engine oil leakage
and then stop the engine.

2) Change Oil Filter
1st

At 50 hrs

2 or after

Every 200 hrs

1 Drain the oil as described in
『(1)Change

Engine Oil』.

2 Remove the oil filter using an oil filter wrench.
3 Smear a little engine oil on the rubber gasket of a new filter.

Oil filter

4 Screw the new filter into place and tighten it by
Hand until the gasket contact seat. Then give it
additional 1.1/4 turns using an oil filter wrench.

Gasket

5 Supply engine oil.

＜Caution＞

●If an oil filter wrench is not available to get, contact our authorized
distributor or our service section to change.
●Oil Filter Part No.:15853-32433 (Kubota)
●After supplying engine oil, keep the engine drive for
a while to check no engine oil leakage and then stop the engine

(3) Clean/Change Air Element
st

Clean

1 at 50 hrs

Change

Every 400 hrs

2 or after 100 hrs

Air Cleaner

Clip ﾟ

1 Loosen the wing bolts in the cleaner and
remove the air element.
2 Clean or replace the air element.
＜Dried

contaminants adhere＞

Blow up compressed air from inside
the element.
＜Carbon

Air Cleaner cap

or oil adhere＞

Air element

Replace to a new one.
3 Reinstall it in reverse order.
Clip ﾟ

＜Caution＞

●Clean more frequently when it is used in dusty environment.
●Air Element Part No.: 1G347-11181 (Kubota)

(4) Clean/Change Fuel Strainer
st

Clean

1 at 50 hrs

Change

Every 400 hrs

2 or after 200 hrs

1 Turn the fuel lever to『CLOSE』.

Close
Fuel lever

2 Unscrew the retainer ring counterclockwise
Retainer ring

And remove the cup and filter element.
Open

3 Discard any dust or water inside the cup
and clean the filter by blowing compressed
air. (or replace element)

4 Reassemble it back.

Cup

＜Caution＞

●Be sure to check for any contaminants on the packing whenever reinstalling the cup.
●Be sure to confirm no fuel leakage by opening the fuel lever
to『OPEN』. Turn the lever to『CLOSE』finally after confirmation.
●Fuel Element Part No.: 16271-43561 (Kubota)

(5) Drain water in fuel tank

Drain

At every 200 hrs

1 Unscrew the fuel drain plug.
2 Reinstall the drain plug after draining
water completely.
Fuel Drain Plug

＜Caution＞

● Change the packing whenever draining water.
● Packing Part No.: 6C090―58961 (Kubota)
● Confirm no fuel leakage after reinstalling the fuel drain plug.

(6) Change Coolant/Water
Change
＜Total

At 2000 hrs or 2 yrs

capacity: 3L (including Sub Tank: 0.6L）＞
Top Door

1 Open the top door.

Radiator
Cap

2 Remove the radiator cap.
3 Remove the water drain plug.
Water Inlet

4 After draining all the water, reinstall
the water drain plug.

＜Caution＞

Sub Tank

●Change the packing whenever changing
coolant/water.
●Packing Part No.: 6C090―58961 (Kubota)

5 Replace all the water in the sub tank.
6 Fill water to Max Level (to the water inlet)
Coolant Drain Plug ﾞ

7 Reinstall the radiator cap.
8 Close the top door.
＜Caution＞

●After supplying water, keep the engine drive for
a while to check no water leakage and then stop the engine

12. Long-Term Storage

Danger: Electric Shock
●. When performing check and maintenance, always stop the engine

Caution: Injuries
●When performing check and maintenance always stop the engine

△

Caution: Fire/Burns

● Keep the equipment far away from fire.
● Do not touch the engine and muffler during operation or immediately after stopping the equipment for the
temperature reaches extremely high.

If the equipment will not be used for more than 2 months, perform the following maintenance and storage
procedure.
1 Remove the battery. (Refer to『6-5. Check Battery』
2 Change the engine oil. (Refer to『11. Check & Maintenance』
3 Drain the fuel from the fuel tank and the strainer. Refer to『11. Check & Maintenance』
4 Clean all the parts, cover the equipment and keep in the clean and dry place.
＜Caution＞

● Recharge the removed battery once a month.

13. Troubleshooting

Danger: Electric Shock
●Do not operate the equipment if the equipment or you are wet.
●Before performing any equipment check or maintenance, stop the engine.

△

Caution: Injuries

●Before performing any equipment check or maintenance, stop the engine.
△

Caution: Fire/Burns

●Keep the equipment far away form fire.
●Do not touch the engine and muffler during operation or immediately after
stopping the equipment for the temperature reaches extremely high.

Follow the guideline below when performing any troubleshooting. If you can
not resolve the problem by the troubleshooting guide, contact our authorized
distributor or our service section to request the repair.

Symptoms
Starter motor will not start

Presumable Causes
1. Battery Weak

1. Recharge the Battery

2. Battery Dead

2. Replace the battery

1. Fuel Lever at

The engine will not start

Actions

『CLOSE』

1. Fuel Lever to『CLOSE』

2. Insufficient Fuel

2. Replenish fuel

3. Water or contaminants

3. Drain water or Clean

in the fuel

Fuel Tank & Strainer

4. Fuse burnt

4. Repair

Symptoms

Presumable Causes

Actions

1. Insufficient Oil

1. Replenish Oil

The engine starts but

2. High Water Temperature,

2. Keep the rated

stalls immediately

Insufficient Coolant/Water

Replenish coolant/water

3. Unable to charge

3. Repair

1. Overload

1. Keep the rated output

1. Stop Solenoid Disorder

1. Turn the lever to CLOSE

Black or white smoke exhaust
from the muffler successively

The engine wont stop

『

』

to stop and repair

1. Output Selector Switch

1. Change to『SINGLE』

『 』

at ECO or『DUAL』

Welding Arc is weak

or『REGULAR』

2. Freq. Switch at 50Hz』

2．Change to『60Hz』

3. Current Dial Position

3. Turn it clockwise more

4. Poor Contact on Cables

4．Connect sufficiently

5. Improper Diameter or Length of Cable

5. Change the cable as per『SELECTION – WELD
CABLES』

Welding Arc is too
strong

NO AC Output

Weak AC Output

6. Poor Contact to material

6. Connect securely

7. Simultaneous use

7. Stop using AC Output

1. Output Selector Switch

1．Change to『ECO』

『

』『

』

at SINGLE or REGULAR

or『DUAL』

2. Current Dial Position

2. Turn it counterclockwise more

1. Breaker at『ON』

1．Change to『ON』

2.Selector Switch at『ECO』

2. Change to SINGLE , DUAL o

1. Wrong Frequency

1. Change to the load frequency

『

『REGULAR

2. The rated current of load exceeds the rated

activate

』

『

』

2. Refer to OUTPUT LIMITATION
output of the equipment

Slow-down does not

』『

3. Simultaneous use

Stop welding

1. Welding Cable short-circuit

1. Repair the short-circuit

2 The power consumption

2. Chang the slow-down

Of the load is 0.5A or below

switch to『OFF』

．

1. Connect to the remote control
1. Connected to AC100/110V receptacle by mistake

receptacle

Remote Control does
2. Connected AC100V load to remote control

not work

2. Disconnect the AC100V plug
receptacle

『 』

3. The switch (breaker) on the cord reel at OFF

3．Change the switch to『ON』

Warranty Sheet
（Type-B）

MEMO

Shindaiwa Corporation
Hiroshima Japan
2006.10

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