Hitachi CH 50EA, CH 55EB, CH 50EB, CH 62EA, CH 66EB Handling Instructions Manual

...

Hedge Trimmer Cortasetos Corta-sebes

CH 50EA (ST)/CH 50EB/CH 55EB (ST) CH 62EA (ST)/CH 66EB (ST)/CH 66ED (TP) CH 78EB (C)/CH 78EC (ST)/CH 78ED (TP) CH 78EC (C)/CH 78EC (SC)/CH 78ED (CP) CH 105EC (C)

CH66EB (ST)

Read through carefully and understand these instructions before use. Leer cuidadosamente y comprender estas instrucciones antes del uso. Antes de usar, leia com cuidado para assimilar estas instruções.

Handling instructions Instrucciones de manejo Instruções de uso

970-83243-200 2009.06

123

1, 2

456

789

10 11 12

45ﾟ

90ﾟ

14 15

16 17 18

0.6 mm

19 20

MEANINGS OF SYMBOLS

NOTE: Some units do not carry them.

Symbols

WARNING

The following show symbols used for the machine. Be sure that you understand their meaning before use.

It is important that you read, fully understand and observe the following safety precautions and warnings. Careless or improper use of the unit may cause serious or fatal injury.

Read, understand and follow all warnings and instructions in this manual and on the unit.

Always wear eye, head and ear protectors when using this unit.

English

Before using your machine

• Read the manual carefully.

• Check that the cutting equipment is correctly assembled and adjusted.

• Start the unit and check the carburetor adjustment. See “MAINTENANCE”.

Contents

WHAT IS WHAT? ...............................................................................6

WARNINGS AND SAFETY INSTRUCTIONS ...................................7

SPECIFICATIONS .............................................................................8

ASSEMBLY

OPERATING PROCEDURES ..........................................................10

MAINTENANCE ...............................................................................10

PROCEDURES ............................................................ 10

English

WHAT IS WHAT?

Since this manual covers several models, there may be some diﬀ erence between these illustrations and your unit. Use the instructions that apply to your unit.

1. Recoil starter

2. Fuel tank

3. Throttle trigger lookout

4. Throttle trigger

5. Front handle

6. Rear handle

7. Spark plug

guard

8. Hand

9. Cutting blade

10. Air cleaner

11. Ignition switc h

12. Blunt guard

13. Gear case

14. Choke lever

15. Loc k button (opt iona l)

16. Blade cover

17. Lock button

18. Priming pump

19. Combi box spanner

20. Handling instructions

CH50EB

CH78EB (C), CH78EC (SC)

CH78EC (C), CH105EC (C) CH78ED (CP)

CH66EB (ST) CH55EB (ST), CH50EA (S T), CH62EA (ST) CH78EC (ST) CH66ED (TP), CH78ED (TP)

English

WARNINGS AND SAFETY INSTRUCTIONS

Operator safety

○ Always wear a safety face shield or goggles. ○ Always wear heavy, long pants, boots and gloves. Do not wear

loose clothing, jewelry, short pants, sandals or go barefoot. Secure hair so it is above shoulder length.

○ Do not operate this tool when you are tired, ill or

inﬂ uence of alcohol, drugs or medication.

○ Never let a child or inexperienced person operate the machine. ○ Wear hearing protection. ○ Never start or run the engine inside a closed room or building.

Breathing exhaust fumes can kill.

○ Keep handles free of oil and fuel. ○ Keep hands ○ Do not grab or hold the unit by the cutting equipment. ○ When the unit is turned oﬀ , make sure the cutting attachment

has stopped before the unit is set down.

○ When operation is prolonged, take a break from time to time

so that yo u (HAVS) which is caused by vibration.

WARNING

○ Antivibration systems do not guarantee that you will not sustain

Hand-Arm Vibration Syndrome or carpal tunnel syndrome. Therefore, continual and regular users should monitor closely the condition of their hands and ﬁ ngers. If any sym ptoms of the above appear, seek medical advice immediately.

○ If you are using any

as a pacemaker, consult your physician as well as the device manufacturer prior to operating any power equipment.

Unit/machine safety

○ Inspect the entire unit/machine before each use. Replace

damaged part s. Check for fuel leaks and make sure all fasteners are in place and securely tightened. Replace parts that are cracked, chipped or damaged in any way

○

before using the unit/machine.

○ Make sure the safety guard is properly attached. ○ Keep others away when making carburetor adjustments. ○ Use only accessories as recommended for this unit/machine by

the manufacturer.

WARNING

Never modify the unit/machine in any way. Do not use your unit/

machine for any job except that for which it is intended.

Fuel safety

○ Mix and pour fuel outdoors and where there are no sparks or

ﬂ ames.

○ Use a container approved for fuel. ○ Do not smoke or

while using the unit/machine.

○ Wipe up all fuel spills before starting engine. ○ Move at least 3 m away from fueling site before starting engine. ○ Stop engine before removing fuel cap. ○ Empty the fuel tank before storing the unit /machine. It is

recommended left in the tank, store so fuel will not leak.

○ Store unit/machine and fuel in area where fuel vapors cannot

reach sparks or open ﬂ ames from water heaters, electric motors or switches, furnaces, etc.

WARNING

Fuel is easy to ignite or get explosion or inhale fumes, so that

pay special attention when handling or ﬁ lling fuel.

Cutting safety

○ Do not cut any material other than plant hedge. ○ Inspect the area to be cut before each use. Remove objects

which can be thrown or become

○ For respiratory protection, wear an ae rosol protection mask

when cutting the grass after insecticide is scattered.

○ Keep others including children, animals, bys tanders and

helpers outside the 15 m hazard zo ne. Stop the engine immediately if you are approached.

away from cutting equipment.

may avoid possible Hand-Arm Vibration Syndrome

medical electric/electronic devices such

allow smoking near fuel or the unit/machine or

that the fuel be emptied after each use. If fuel is

entangled.

under the

○ Hold the unit/machine ﬁ rmly with both hands. ○ Keep ﬁ rm ○ Keep all parts of your body away from the muﬄ er and cutting

○ Keep cutting tool below shoulder level. NEVER operate unit

○ When relocating to

○ Never place the machine on the ground when running. ○ Always carr y a ﬁ rst-aid kit when operating any power

○ Never start or run the engine inside a closed room

Maintenance safety

○ Maintain the unit/machine according to recommended

○ Disconnect the spark plug before per forming maintenance

○ Keep others away when making carburetor adjustments. ○ Use only genuine Hitachi replacement parts as re commended

Tra ns po rt and storage

○ Carry the unit /machine by hand with the engine stopped and

○ Allow the engine to cool, empt y the fuel tank, and secure the

○ Empty the fuel tank before storing the

○ Store unit/machine out of the reach of children. ○ Clean and maintenance the unit carefully and store it in a dry

○ Make sure engine ○ When transporting in a vehicle or storage, cover blade with

If situations occur which are not covered in this manual, take care and use common sense. Contact your Hitachi dealer if you need assistance. Pay special attention to statements preceded by following words:

WARNING

Indicates a strong possibility of severe personal injury or loss of

CAUTION

Indicates a possibility of personal injur y or equipment damage,

NOTE

Helpful information for correct function and use.

CAUTION

Do not disassemble the recoil starter. You may get a

footing and balance. Do not over-reach.

attachment when the engine is running.

from a ladder, while in a tree or from any unstable support.

machine and ensure that all cutting attachments are stopped.

equipment.

and/or near the inﬂ ammable liquid. Breathing exhaust fumes can kill.

procedures.

except for carburetor adjustments.

the manufacturer.

the muﬄ er away from your body.

unit/machine before storing or transporting in a vehicle.

recommended that the fuel be emptied after each use. If fuel is left in the tank, store so fuel will not leak.

place.

blade cover.

life, if instructions are not followed.

if instructions are not followed.

of personal injury with recoil spring.

a new work area, be sure to shut oﬀ the

or building

unit/machine. It is

switch is oﬀ when transporting or storing.

the

possibility

English

SPECIFICATIONS

Engine Size (ml) 22 24 22

CH50EB/CH66EB (ST)

MODEL

CH55EB (ST)/CH50EA (ST) CH62EA (ST)

CH78EC (ST) CH78EB (C)

Spark Plug

Fuel Ta nk Capac ity (l) 0.35 0.35 0.35

Dry Weight (kg)

Overall cutter length (mm)

:○ Blade type

△

Sound pressure level LpA (dB(A)) (EN 27917)

Sound power level LwA (dB( A)) (2000/14/EC)

Vibration level (m/s

Front handle

Rear handle

) (ISO 7916)

NGK BPM-6A or BPMR-6A Champion CJ-8Y or RCJ-8Y

CH50EB .......................... 4.1

CH55EB (ST) .................. 4.5

CH66EB (ST) .................. 5.0

CH50EA (ST) .................. 4.3

CH62EA (ST) .................. 4.6

CH50EA (ST)/CH50EB

CH66EB (ST) .................. 650

CH55EB (ST) .................. 550

CH62EA (ST) .................. 620

...... 500

△△

CH50EB ....................... 100.0

CH66EB (ST) .................. 9 2.1

CH55EB (ST) .................. 9 3.6

CH50EA (ST) /CH62EA (ST)

CH66EB (ST) ..................

CH50EB ..........................

CH55EB (ST) ..................

CH50EA (ST) /CH62EA (ST)

CH66EB (ST) ..................

CH50EB ..........................

CH55EB (ST) ..................

CH50EA (ST) /CH62EA (ST)

..... 97.0

104 104 104

4.5

5.3

4.2

.......

5.1/6.5

5.2

11. 5

12.3

.......

11. 3/ 9 . 2

NGK BPM-6A or BPMR-6A Champion CJ-8Y or RCJ-8Y

5.3 5.2

770 770

91.1 91.4

7.6

6.2

NGK BPM-6A or BPMR-6A Champion CJ-8Y or RCJ-8Y

○

3.5

5.3

NOTE

Equivalent noise level/vibration level are calculated as the time-weighted energy total fo r noise/vibration levels under var ious working

conditions with the following time distribution : 1/2 idle, 1/2 racing.

* All data is subject to change without notice.

English

MODEL

Engine Size (ml) 24 24 24

Spark Plug

Fuel Ta nk Capac ity (l)

Dry Weight (kg)

Overall cutter length (mm)

:○ Blade type

△

Sound pressure level LpA (dB(A)) (EN 27917)

CH78EC (SC) CH78EC (C) CH105EC (C)

NGK BPM-6A or BPMR-6A Champion CJ-8Y or RCJ-8Y

0.35

CH78EC (SC) ........ 5.2

CH78EC (C) ..........5. 2

CH105EC (C) ........5.6

CH78EC (SC) ........ 770

CH78EC (C) ..........770

CH105EC (C) ........1000

○

CH78EC (SC) ........ 93.9

CH78EC (C)

CH105EC (C) ........96.7/96 .7

CH66ED (TP) CH78ED (TP)

NGK BPM-6A or BPMR-6A Champion CJ-8Y or RCJ-8Y

0.33 0.33

CH66ED (TP) ...........5.3

CH78ED (TP) ...........5.6

CH66ED (TP) .......... 650

CH78ED (TP) .......... 770

△

98.3 98.3

CH78ED (CP)

NGK BPM-6A or BPMR-6A Champion CJ-8Y or RCJ-8Y

5.6

770

○

Sound power level LwA (dB( A)) (2000/14/EC)

Front handle

Rear handle

) (ISO 7916)

CH78EC (SC) ........ 4.7

CH78EC (C)

CH105EC (C) ........6.8

CH78EC (SC) ........ 6.4

CH78EC (C)

CH105EC (C) ........5.6

Vibration level (m/s

NOTE

Equivalent noise level/vibration level are calculated as the time-weighted energy total fo r noise/vibration levels under various working

conditions with the following time distribution : 1/2 idle,

* All data is subject to change without notice.

104 104 104

1/2 racing.

CH66ED (TP) ...........8.9

CH78ED (TP) ...........7.8

CH66ED (TP) ...........6.3

CH78ED (TP) ...........5.3

6.1

11.1

English

ASSEMBLY PROCEDURES

Handle B (3) and Gathering plate (4) (Fig. 1)

1. Remove the four washers and nuts (1) from cutting blade end.

NOTE

In case of Handle B installation only, remove only the nut on the

longest bolt.

2. Set the gathering plate on the cutter guide, then ﬁ nger tighten the three washers

* Use one each (5) of the two washers, which have been

provided, under the gathering plate or on the two blade-ﬁ xing bolts from the cutting-blade end to install the gathering plate on CH105EC (C). (If so equipped)

3. Set the handle B on the longest bolt and washer and nut.

4. Before securing the ﬁ nger-tightened nuts, screw the blade ﬁ xing bolts (2) to be seated, then loosen the bolts approx. 1/2 turn.

5. With the bolts set at that position tighten the blade ﬁ xing nuts.

and nuts.

ﬁ nger tighten with the

OPERATING PROCEDURES

Fuel (Fig. 2)

WARNING

The hedge trimmer is equipped with a two- stroke engine.

Always run the engine on fuel, mixed with oil.

Provide good ventilation, when fueling or handling fuel.

Fuel

○ Always use branded 89 octane unleaded gasoline. ○ Use genuine two-cycle oil or use a mix between 25:1 to 50:1,

please consult

○ If genuine oil is not avail able, use an anti-oxidant added quality

oil expressl y labeled for air-cooled 2-cycle engine use (JASO FC GRADE OIL or ISO EG C GRADE). Do not use BIA or TCW (2-str oke water-cooling type) mixed oil.

○ Never use ○ Always mix fuel and oil in a separate clean container.

Always start by ﬁ lling half the amount of fuel, which is to be used. Then add the whole amount of oil. Mix (sh ake) the fuel mixture. Add the remaining amount of fuel. Mix (shak e) the

Fuelin g

WARNING (Fig. 3)

○ Always shut oﬀ the engine before refueling. ○ Slowly open the fuel tank (6), when ﬁ lling up with fuel, so that

possible over-pressure disappears.

○ Tighten the fuel cap carefully, after fueling. ○ Always move the unit at least 3 m from the fueling area before

starting.

fueling, clean the tank cap area carefully, to ensure that

Before no dir t falls into the tank. Make sure that the fuel is well mixed by shaking the container, before fueling.

Starting

CAUTION

Before starting, make sure the cutting attachment does not

touch anything.

1. Set ignition switch (7) to ON position (A).

* Push priming bulb (10) several times so that fuel ﬂ ows through

the bulb or return pipe. (If so equipped) (Fig. 6)

2. With the safety lever (8) pressed, pull throt tle trigger and push lock button (9) (If so equipped), then slowly release thrott le the trigger ﬁ starting position. (Fig. 4, 5)

3. Set choke lever (11) to CLOSED position (B). (Fig. 7)

the oil bottle for the ratio or Hitachi dealer.

multi-grade oil (10W/3 0) or waste oil.

fuel-mix thoroughly before ﬁ lling the fuel tank.

(Fig. 4, 5)

rst, then the safety lever. This will lock the throttle in

4. Pull recoil st arter briskly, taking care to keep the handle in your

grasp and not allowing it to snap back. (Fig. 8, 9)

5. When you hear the engine at tempts to start, return choke lever to RUN position (o pen) (C). Then pull recoil starter briskly again.

NOTE

If engine does

6. After starting engine, allow the engine about 2-3 minutes to warm up before subjecting it to any load.

Cutting

When cutting, operate engine at full throttle as this maintains proper cutter speed. When trimming top of hedge, hold trimmer so blades are between swing trimmer in an arc toward edge of hedge to sweep cuttings oﬀ . When trimming sides of hedge, hold blade vertic ally and swing unit in an arc.

NOTE

○ Multi-position twist handle (Fig. 10) In case your trimmer is

the cutting angle can be adjusted by loosening handle locking nut (13) . After adjustment has been made, be sure to retighten the nut.

○ Five positioning twist handle (Fig. 11)

The rear handle can be set in ﬁ ve diﬀ erent positions by pushing

the lock button (14) and turning the rear handle (15).

It is extremely important that the handle is locked in the selected

position.

The lock button will not work while the throttle trigger is being

pulled.

○ The throttle trigger will not work if the rear handle is unlocked.

Stopping (Fig.

Decrease engine speed, and push ignition switch to stop position (F).

not start, repeat procedures from 2 to 4.

15 and 30 degrees from a horizontal position and

twist handle type (12), please note that

12, 13 )

MAINTENANCE

MAINTENANCE, REPLACEMENT OR REPAIR OF THE EMISSION CONTROL DE VICES AND SYSTEM MAY BE PERFORM ED BY ANY NONROAD ENGINE REPAIR ESTABLISHMENT OR INDIVIDUAL.

Carburetor adjustment (Fig. 14)

WARNING

○ The cutting attac hment may be spinning during carburetor

adjustments.

○ Never star t the engine without the complete clutch cover.

Otherwise the clutch can come loose and cause personal injuries.

In the carburetor, fuel is mixed with air. When the engine is test run at the fac tory, the carburetor is adjusted. be required, according to climate and altitude. The carburetor has one adjustment possibility:

T = Idle speed adjustment screw.

Idle speed adjustment (T)

Check that the air ﬁ lter is clean. When the idle speed is correct, the cutting attachment will not rotate. If adjustment is required, close (clo ckwi se) the T-screw, with the engine running, until the cut ting attachment starts to rotate. Open (co unte r-clo ckwi se) the screw until the cutting attachment stops. You have reached the correct idle speed when the engine runs smoothly in all positions well below the rpm when the cutting attachment starts to rotate.

cutting at tachment still rotates after idle speed adjustment,

If the contact Hitachi dealer.

A further adjustment may

+ 22 hidden pages

Hitachi CH 50EA, CH 55EB, CH 50EB, CH 62EA, CH 66EB Handling Instructions Manual

Specifications and Main Features

Frequently Asked Questions

User Manual