Hitachi E24: OPERATION AND MAINTENANCE

OPERATION AND MAINTENANCE: Hitachi E24

English

OPERATION AND MAINTENANCE

NOTE: The information contained in this Instruction Manual is designed to assist you in the safe operation

and maintenance of the generator. Some illustrations in this Instruction Manual may show details

or attachments that differ from those on your own generator.

COMPONENTS

MODEL E24, E35, E40, E50, E57

1

AC NO-FUSE BREAKER

35

4

2

ENGINE SWITCH

1

3

VOLTMETER

4

AC RECEPTACLE

5

PILOT LAMP

6

OIL FILLER CAP

7

OIL DRAIN PLUG

8

FUEL COCK

9

AIR CLEANER

0

SPARK PLUG

A

FUEL TANK CAP

B

CHOKE LEVER

C

RECOIL STARTER

D

GROUND TERMINAL

E

MUFFLER

F

DC OUTPUT TERMINAL

G

DC CIRCUIT PROTECTOR

8

H

FUEL GAUGE

F

I

FUEL TANK

G

C

6

2

7

H

A

0

B

I

D

E

9

Fig. 4

7

English

SPECIFICATIONS

Model

E24

Type

Brushless, Revolving Field, Self-exciting, 2-poles, Single phase

AC Voltage

50Hz

230V

Max. Output

50Hz

2,400W

Rated Output

50Hz

2,200W

Rated Current

9.6A

Voltage Regulator

Condenser Type

ALTERNATORENGINE

Power Factor

1.0

DC Output

12V-8.3A

Model

MITSUBISHI GM182P

Type

Air-cooled, 4 cycle, OHV, Gasoline Engine

Displacement

181cm

3

Fuel

Regular Automobile Gasoline

Fuel Tank Capacity

11 L

Rated Continuous Operation

50Hz

10 h

Lubricating Oil

Engine Oil SE Class or Higher

Lubricating Oil Capacity

0.6 L

Starting System

Recoil Starter

Length × Width × Height

564 × 422 × 440 mm

SION

DIMEN-

Dry Weight

46 kg

Specifications are subject to change without notice.

Model

E35

E40

Type

Brushless, Revolving Field, Self-exciting, 2-poles, Single phase

AC Voltage

50Hz

230V

Max. Output

50Hz

3,500W

4,000W

Rated Output

50Hz

2,800W

3,300W

Rated Current

12.2A

14.3A

Voltage Regulator

Condenser Type

ALTERNATORENGINE

Power Factor

1.0

DC Output

12V-8.3A

Model

MITSUBISHI GM291P

MITSUBISHI GM301P

Type

Air-cooled, 4 cycle, OHV, Gasoline Engine

Displacement

296cm

3

Fuel

Regular Automobile Gasoline

Fuel Tank Capacity

18 L

Rated Continuous Operation

50Hz

10 h

9.5 h

Lubricating Oil

Engine Oil SE Class or Higher

Lubricating Oil Capacity

1.0 L

Starting System

Recoil Starter

Length × Width × Height

628 × 495 × 495 mm

SION

DIMEN-

Dry Weight

72 kg

74 kg

Specifications are subject to change without notice.

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Model

E50

E57

Type

Brushless, Revolving Field, Self-exciting, 2-poles, Single phase

AC Voltage

50Hz

230V

Max. Output

50Hz

5,000W

5,700W

Rated Output

50Hz

4,200W

5,100W

Rated Current

18.3A

22.2A

Voltage Regulator

Condenser Type

ALTERNATORENGINE

Power Factor

1.0

DC Output

12V-8.3A

Model

MITSUBISHI GM401P

Type

Air-cooled, 4 cycle, OHV, Gasoline Engine

Displacement

391cm

3

Fuel

Regular Automobile Gasoline

Fuel Tank Capacity

18 L

Rated Continuous Operation

50Hz

8.0 h

7.0 h

Lubricating Oil

Engine Oil SE Class or Higher

Lubricating Oil Capacity

1.0 L

Starting System

Recoil Starter

Recoil Starter/Cell Starter (option)

Length × Width × Height

685 × 500 × 500 mm

SION

DIMEN-

Dry Weight

81 kg

83 kg (Recoil) 88 kg (Cell)

Specifications are subject to change without notice.

TRANSPORTING / STORAGE

Transporting

CAUTION: Units are heavy. Observe safe lifting procedures when transporting.

Before transporting generator, it is important to turn off both the engine switch and the

fuel cock. Keep generator level at all times to prevent fuel spillage. Fuel vapor or spilled

fuel may ignite.

WARNING: Contact with a hot engine or exhaust system can cause serious burns or fires.

Let the engine and muffler cool before transporting the generator.

Storage

Make sure that the generator storage area is free of excessive humidity and dust. Store the generator in dry, well-

ventilated area.

WARNING: Contact with a hot engine or exhaust system can cause serious burns or fires.

Let the engine and muffler cool before storing the generator.

ASSEMBLY

CAUTION: The generator is too heavy to be lifted by one person. Obtain assistance from others

before you try to move it. Otherwise, Serious injury can result from attempting to lift too

heavy an object.

NOTE: Install the wheel kit (option for E35, E40, E50, E57) before adding gasoline or engine oil to prevent

damage to the engine. If you are installing accessories after running the generator, be sure that the

fuel tank is empty, and that the fuel cock is turned to the off position, that is, horizontal to the

ground. Be sure that the oil is drained from the engine.

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ACCESSORY

ASSEMBLING THE WHEEL KIT (optional)

(The Same Usage for E35, E40, E50, E57)

Fig. 5

Assembly Procedures

1. Drain the oil by removing the oil drain plug.

2. Drain the gasoline by removing the cup of fuel cock.

3. Attach the wheels 2 to the wheel-shaft 1

4. Insert the split-pin 4 into the hole that is on the wheel-shaft 1, after putting in the washer 3 to the wheel-shaft,

for the prevention of detaching the wheels 2 from the wheel-shaft 1.

5. Prepare 2 sets of the above wheel-shaft assembly.

6. Attach the wheel-shaft assembly to the frame-base, making use of the brackets 5, the bolts 6, washers 8 and

nuts 7.

7. Finally, attach the above 2 wheel-shaft assemblies to the front and rear of the frame-base.

CAUTION: For your safety, don’t fail to fix the wheels with wheel brakes for the prevention of moving.

Don’t operate the generator set at an inclined foundation.

Parts Number: KY90076DA

APPLICATIONS

Power source of electric appliances and tools.

WARNING: HITACHI electronic controlled products should not be used with portable generators.

Irregular generator power could cause these products to fail.

Regarding other manufacturer's products, please contact the manufacturer to see if it is

safe to use the electronic controlled products with portable generators.

PREPARATION BEFORE OPERATION

Before starting the generator, check the oil and fuel levels. Be sure that the air cleaner is functioning. Follow the

guidelines below when adding oil and fuel.

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NOTE: There is no oil in the engine crankcase when the generator is shipped. You must add oil before

starting the engine. Check the oil level before each use with the generator on a level surface and

the engine stopped.

Engine oil is a major factor affecting engine performance and service life. Non-

detergent and 2-stroke oils will damage the engine and are not recommended.

Single

grade

Use 4-stroke motor oil that meets or exceeds the requirements for API service

classification SE or Higher.

Multi

grade

Always check the API SERVICE label on the oil container to be sure it includes

Ambient

the letters SE or Higher. SAE 10W- 30 or 10W-40 is recommended for general,

temperature

all-temperature use. Other viscosities shown in Fig.6 may be used when the

average temperature in your area is within the indicated range.

CHECKING THE OIL

1. Remove the oil filler cap and wipe the dipstick clean.

2. Check the oil level by inserting the dipstick into the filler neck without screwing

it in.

OIL FILTER CAP

(OIL GAUGE)

3. If the test shows no oil markings, the oil is low.

4. If the level is low, add the recommended oil to the upper mark on the dipstick.

OIL FILLER CAP

OIL CAPACITY

(OIL GAUGE)

HITACHI Model

Liters

UPPER LEVEL

E24

0.6

E35,E40,E50, E57

1.0

NOTE: If the oil level is too low, the oil alert system will shutdown

the engine and prevent engine from restarting.

LOWER LEVEL

FUEL

WARNING: Gasoline is flammable and its vapor is explosive. To prevent fire or explosion, follow the

guidelines below:

Keep fuel out of the reach of children.

Refuel the generator in well-ventilated area. Do not refuel while engine is running or hot. Disconnect all

electrical loads and shut off the engine before refueling.

Do not overfill the fuel tank. Always allow room for fuel vapors to expand. If you overfill the tank, fuel

can overflow onto the hot engine. This can cause fire or explosion. After refueling, tightly close the fuel

tank cap.

Do not spill fuel. Fuel or fuel vapor may ignite. If fuel spills, make sure that the area is dry before

starting the engine.

Never smoke in the refueling area. Never allow open flames or sparks in area.

Store fuel in an approved container. Store fuel in a well ventilated area free of open flames or sparks.

FUEL TANK CAPACITY

HITACHI Model

Liters

E24

11

E35,E40,E50,E57

18

Check the fuel gauge located on the top of the generator near

the fuel tank and refill the tank if the fuel level is low. Refuel

carefully to avoid spilling fuel. Do not fill above the shoulder of

the fuel strainer.

Use unleaded gasoline with a pump octane rating of 86 or

higher.

The engine is certified to operate on unleaded gasoline.

Unleaded gasoline produces fewer engine and spark plug

deposits and extends exhaust system life. Never use stale or

contaminated gasoline. Avoid getting dirt or water in the fuel

tank.

Always keep the fuel strainer in place while refueling.

11

Fig. 6

Fig. 7

Fig. 8

EMPTY

FULL

FUEL GAUGE

Fig. 9

Fig. 10

English

OPERATION

STARTING GENERATOR

WARNING: Before starting the generator, be sure that you read and understand all the safety and

operating instructions in this manual.

1. Disconnect all electrical loads from the generator and place the AC no fuse

breaker in the OFF ( “OPEN”) position.

2. Set the engine switch to “RUN” position.

3. Open the fuel cock.

OPEN

4. Set the choke lever to “CLOSE” (arrow mark). Not necessary if the engine is

warm.

CLOSE

5. Pull the starter handle slowly until resistance is felt.

This is the “Compression” point. Return the handle to its original position

and pull swiftly.

Do not fully pull out the rope.

After starting, allow the starter handle to return to its original position

while still holding the handle.

If the engine fails to start after several attempts, repeat above procedures

with choke lever returned “OPEN” position.

6. After the engine started, return the choke lever gradually to “OPEN” position.

7. Warm up the engine without a load for a few minutes.

NOTE: Do not allow the starter handle to snap back. Return it slowly by hand.

NOTE: If the oil level in the engine is low, the engine will not start. If the engine does not start, check the

oil level and add oil as needed.

NOTE: To ensure maximum oil lubrication, place the generator on a level surface.

12

OPEN

Fig. 11

Fig. 12

Fig. 13

Fig. 14

Fig. 15

English

USING ELECTRIC POWER

AC APPLICATION

1. Check the voltmeter or pilot lamp for proper voltage.

This generator is thoroughly tested and adjusted in the factory. If the

VOLTMETER

generator does not produce the specified voltage, consult your nearest

HITACHI dealer.

2. Turn off the switch(es) of the electrical appliance(s) before connecting to the

generator.

3. Insert the plug(s) of the electrical appliance(s) into the receptacle.

Use 16 ampere type receptacles.

Be sure that the total wattage of all appliances does not exceed the rated

output of the generator.

Fig. 16

ON

WARNING: Be sure to ground the generator if the connected electrical

equipment is grounded.

OFF

4. Turn the AC no fuse breaker “ON”.

NOTE: When the AC no-fuse breaker turns off during operation, the

generator is overloaded or the appliance is defective.

Stop the generator immediately, check the appliance and/or

generator for overloading or defect and repair as necessary.

5. Check to the AC no-fuse breaker is “ON”.

If the breaker is “OFF”, set the breaker “ON”.

Pilot lamp will illuminate.

Fig. 17

DC APPLICATION

Aim for specific gravity and charging

time

This usage is applicable to 12V battery charging only.

1. Charging instruction for battery

Disconnect the leads for the battery.

Make the battery fluid filler cap loose fully.

Fill distilled water to the upper limit, if the battery fluid is low level.

Measure the specific gravity for the battery fluid by using the hydrometer,

and calculate the charging time in according with the table shown on

Specific gravity

(20˚C)

right side (Fig. 18).

The specific gravity for the fully charged battery shall be within 1.26 to

Charging time (Hr)

1.28. It is recommended to confirm every one hour.

Battery : Battery capacity

A

: (30Ah 20HR)

2. Connect between the DC output terminals and the battery terminals using

B

: (35Ah 20HR)

C

the charging leads.

: (47Ah 20HR)

The leads shall be connected making sure of the (+) and (–) polarity.

Fig. 18

CAUTION:

The battery shall be handled in the well ventilated area avoiding fire or

flammable material.

Special attention shall be paid to the battery fluid not stuck to the eye or

skin.

The temperature of the battery fluid shall be maintained to 45˚C or less,

because of prevention for functional deterioration.

Fig. 19

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STOPPING THE GENERATOR

1. Turn off the power switch of the electric equipment or unplug the cord from

receptacle of the generator.

2. Allow the engine about 3 minutes to cool down at no-load before stopping.

Fig. 20

3. Set the engine switch to “STOP” position.

ON

OFF

Fig. 21

4. Close (stop) the fuel cock.

1

CLOSE

OIL SENSOR

The oil sensor detects the fall in oil in the crankcase and automatically

Fig. 22

stops the engine when the oil level fails down below the safety limit.

When engine has stopped automatically, check the oil level.

If the engine does not start by usual starting procedures, check the oil

level.

Run

Stop

RECOMMENDED OIL LEVEL

Oil Level

OIL LEVEL

OIL LEVEL

FLOAT SWITCH

ON

OFF

Fig. 23

Fig. 24

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SCOPE OF APPLICABILITY

It is recommended to use AC and DC power sources within the following scope.

Scope of applicability

Applicable

Model

Remarks

instruments

50Hz

E24

Up to 2,200W

Light, Electric

• The instruments which

Heater, Radio,

E35

Up to 2,800W

require much starting

Television

current and some kinds of

E40

Up to 3,300W

motors may be unable to

be used even if they are

E50

Up to 4,200W

within the applicable

scope.

E57

Up to 5,100W

E24

Up to 700W

Motors with

single phase

• The AC no fuse breaker

E35

Up to 900W

turns OFF when the

Alternating current (AC)

E40

Up to 1,100W

current exceeding the

applicable scope is used

E50

Up to 1,400W

or when the applied

instrument is defective.

E57

Up to 1,700W

Battery

E24

E35

12V

E40

Up to 8.3A

E50

E57

Direct current (DC)

WARNING: HITACHI electronic controlled products should not be used with portable generators.

Irregular generator power could cause these products to fail.

Regarding other manufacturer's products, please contact the manufacturer to see if it is

safe to use the electronic controlled products with portable generators.

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TROUBLESHOOTING

If the engine does not start

1. Check the fuel tank for sufficient fuel. Refill with fresh gasoline if necessary.

2. Check the engine oil. Fill to the upper limit with fresh oil.

3. Ensure that the fuel cock is open. The fuel cock is open when the lever is perpendicular to the ground (straight

up and down).

4. Check that the spark plug cap is securely attached to the spark plug.

5. Inspect the air filter. Clean or replace it if necessary.

6. Disconnect all electrical loads from the generator, and turn the engine switch on.

7. Follow the starting procedures in this manual on page12.

If the engine still does not start

1. Pull the starter handle 5-6 times.

2. Remove and inspect the spark plug.

If the spark plug is dry:

1. Ensure that there is fresh fuel in the tank and that the fuel cock is open.

2. Reinstall the spark plug and spark plug cap.

3. Try to start the engine again by following the starting procedures in this manual on page12.

4. If the engine fails to start, take the generator to an authorized HITACHI service center.

If the spark plug is wet.

1. Clean, gap, or replace the spark plug.

2. Reinstall the spark plug and spark plug cap.

3. Try to start the engine again by following the starting procedures in this manual on page12.

4. If the engine fails to start, take the generator to an authorized HITACHI service center.

If there is no power to the receptacles

1. Turn the AC no fuse breaker “OFF” and disconnect all electrical loads from the generator.

2. Reconnect the electrical loads. Be sure that the plugs are securely connected to the receptacles and turn the

AC no fuse breaker “ON”.

3. If there is still no power at the receptacles, take the generator to an authorized HITACHI service center.

MAINTENANCE

IMPORTANCE OF MAINTENANCE

Good maintenance is essential for safe, economical, and trouble-free operation. It will also help reduce air

pollution.

WARNING: Improper maintenance or failure to correct a problem before operation can cause

malfunction, serious injury, or death. Always follow the inspection and maintenance

recommendation and schedules in this user’s manual.

The following pages include a maintenance schedule, routine inspection procedures, and

simple maintenance procedures using basic hand tools, to help you properly care for your

generator. If you are not comfortable with any maintenance procedure, have the generator

serviced by a professional technician.

Maintenance, replacement, or repair of the emission control devices and system may be

performed by any engine repair establishment or individual, using parts that are “certified”

to EU standards.

MAINTENANCE SAFETY

WARNING: Always follow the procedures and precautions in the owner’s manual. Failure to

properly follow maintenance instructions and precautions can lead to serious injury or

death.

SAFETY PRECAUTIONS

CAUTION: Make sure that the engine is off before you begin any maintenance or repairs.

This will eliminate several potential hazards, including:

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Carbon monoxide poisoning from engine exhaust. Be sure there is adequate ventilation whenever you

operate the engine.

Burns from hot parts. Let the engine and exhaust system cool before you touch it to prevent burns.

Injury from moving parts. Wear appropriate clothing, tie back long hair, and stay alert around the

generator to prevent injury from moving parts.

Read the instructions before you begin, and make sure you have the tools and skills required.

Your authorized service center knows your generator best and is fully equipped to do maintenance and repair.

To ensure the best quality and reliability, use only new genuine parts or their equivalents for repair or replacement.

CAUTION: To reduce the possibility of fire or explosion, be careful when working around gasoline.

Use only a nonflammable solvent, not gasoline, to clean parts. Keep smoking, sparks, and

flames away from all fuel-related parts.

MAINTENANCE SCHEDULE

Check the air cleaner

Check oil level and refill to the upper level before starting the engine.

Daily

Check all the points as follows:

Fuel level at fuel gauge, Oil and Fuel leakage, Bolt and nut tightening

Any damage of components.

Clean and wash air-cleaner element.

More often if used in dirty or dusty environments.

Change engine oil.

50 hours (Weekly)

(The initial oil change must be conducted after the first 25 hours

operation.)

Check spark plug, and clean and adjust if necessary.

Check and clean the cock.

Replace spark plug.

100 hours

Replace air-cleaner element.

Decarbonize cylinder head, valves and piston.

Inspect control panel components.

Check rotor and stator.

3 years

Replace engine mount rubber.

Overhaul engine.

Change fuel lines.

NOTE: Initial oil change should performed after first 25 hours of use. Thereafter change oil every 50 hours.

Before changing oil, check for a suitable way to dispose of the old oil. Do not pour it down into

sewage drains, onto garden soil or into open streams, Your local zoning environmental regulations

will give you more detailed instructions on proper disposal.

Items marked with a required advanced skill and tools, so they should be done by the authorized

HITACHI Service Center.

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ENGINE OIL CHANGE

Change engine oil every 50 hours.

(for a new engine, change oil after 25 hours.)

OIL FILLER CAP

1. Drain oil by removing the oil drain plug and the oil filler cap while the engine

(OIL GAUGE)

is warm.

2. Reinstall the oil drain plug and fill the engine with oil unit it reaches the upper

level on the oil filler cap.

Use fresh and high quality lubricating oil to the specified quantity.

If contaminated or deteriorated oil is used or the quantity of the engine oil

is not sufficient, the engine damage will result and its life will be greatly

shortened.

OIL

OIL FILLER

DRAIN PLUG

NECK

Fig. 25

Fig. 26

Wash your hands with soap and water after handling used oil.

Please dispose of used motor oil and containers in a manner that will not harm the natural environment. We

suggest you take it in a sealed container to your local service station or recycling center for reclamation. Do not

throw it in the trash, pour it on the ground or down the drain.

NOTE: Never operate the generator without oil cap tightly secured. Failure to do so could cause oil to spill

out of the engine.

AIR FILTER

Adirty air cleaner will restrict airflow to the carburetor. To prevent carburetor malfunction, service the air filter

regularly. Service more frequently when operating the generator in extremely dusty areas.

NOTE: Never run the generator without the air cleaner. Rapid engine wear will result.

1. Take out the air cleaner, clean it well in kerosene and dry it.

2. After wetting the element by clean engine oil, squeeze it tight by hand.

3. Lastly, put the element in the case and install it securely.

ELEMENT

CLEANER

COVER

GRID

Fig. 27

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CLEANING FUEL STRAINER (FUEL COCK)

The fuel strainer removes dirt and water in the fuel.

1. Remove the strainer cup and throw away water and dirt.

2. Clean the screen and strainer cup with gasoline.

BODY

3. Tightly fasten the cup to main body, making sure to avoid fuel leak.

SCREEN

GASKET

CUP

Fig. 28

SPARK PLUG SERVICE

To service the spark plug, use plug wrench (standard accessory). Use

recommended spark plugs.

RECOMMENDED PLUG AND ELECTRODE CLEARANCE

HITACHI Model

Plug

Electrode Clearance

E24

BPR6HS (NGK)

0.6 to 0.7mm (0.024" to 0.028")

E35,E40,E50, E57

BPR5ES (NGK)

0.7 to 0.8mm (0.028" to 0.031")

To ensure proper engine operation, the spark plug must be properly gapped and

free of deposits.

CAUTION: If the engine has been running, the muffler will be very hot.

ELEC-

Be careful not to touch the muffler. Be sure to allow the

TRODE

engine to cool before you touch the spark plug.

CLEAR-

ANCE

1. Remove the spark plug cap.

2. Clean any dirt from around the spark plug base.

3. Use a spark plug wrench to remove the spark plug.

Fig. 29

4. Visually inspect the spark plug. Replace it if the insulator is cracked or

chipped.

Clean the spark plug with a wire brush if you plan to reuse it.

5. Measure the plug gap with the feeler gauge. Correct as necessary by carefully bending the side electrode

(Fig.29).

6. Check that the spark plug washer is in good condition. If it is not, thread the spark plug in by hand to prevent

cross threading.

7. After the spark plug is seated, tighten with a spark plug wrench to compress the washer. If you are installing a

new spark plug, tighten the spark plug 1/2 turn after it seats to compress the washer. If you are reinstalling a

used spark plug, tighten 1/8–1/4 turn after the spark plug seats to compress the washer.

NOTE: The spark plug must be securely tightened. An improperly tightened spark plug can become very

hot and could damage the engine. Never use spark plugs which have an improper heat range. Use

only the recommended spark plugs or equivalent.

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PREPARATION FOR STORAGE

The following procedures should be followed prior to storage of your generator for periods of 3 months or longer.

1. Drain fuel from fuel tank carefully. Gasoline left in the fuel tank will eventually

deteriorate making engine-starting difficult.

2. Loosen the drain screw on the bottom of the carburetor float chamber, and

drain the fuel completely.

3. Change engine oil.

4. Check for loose bolts and screws, tighten them if necessary.

5. Clean generator thoroughly with oiled cloth. Spray with preservative if

available.

NEVER USE WATER TO CLEAN GENERATOR!

6. Pull starter handle until resistance is felt, leaving handle in that position.

7. Store generator in a well ventilated, low humidity area.

SERVICE AND REPAIRS

All quality generators will eventually require servicing or replacement of parts because of wear from normal use.

To assure that only authorized replacement parts will be used, all service and repairs must be performed by a

HITACHI AUTHORIZED SERVICE CENTER, ONLY.

20

DRAIN

SCREW

Fig. 30

English

WIRING DIAGRAM

E24

E/G

C-BOX

OS

BLUE

SW

IG

OSU

SP

BLACK

G/R

ET

GREEN

R

BLACK

CB

MC

REC

FC

BLUE

RED

RED

MC

WHITE

SC

YELLOW

YELLOW

C

20µF

2P COUPLER

DS

CB

DC

+

-

Fig. 31

E35, E40, E50, E57

E/G

C-BOX

OS

BLUE

IG

SW

OSU

SP

BLACK

G/R

GREEN

ET

R

BLACK

CB

MC

BLUE

REC

FC

RED

RED

MC

WHITE

SC

YELLOW

YELLOW

CC

CB

DS

DC

+

-

Fig. 32

Symbol Parts Name Symbol Parts Name Symbol Parts Name

AC no fuse breaker or

E/G

Engine

R

Rotor CP

CB

DC circuit protector

G/R

Generator

OSU

Oil sensor unit

C

Capacitor

C-BOX

Control box

ET

Ground terminal

SW

Engine switch

MC

AC wiring

PL

Pilot lamp

IG

Ignition coil

SC

Auxiliary winding

REC

AC receptacle

DC

DC wiring

FC

Field winding

V

Voltmeter

DS

Diode stack

SP

Spark plug

OS

Oil sensor

21

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22

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