Bedienungsanleitung Hitachi CG28EJ-L (Seite 11 von 92) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Portugiesisch, Spanisch, Schwedisch, Norwegisch, Finnisch)

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English

NOTE

When using Hitachi alloy head (CH-100), initial cutting line length

should be about 17 cm each. (Fig. 19)

OPERATING PROCEDURES

Fuel (Fig. 20)

WARNING

The trimmer is equipped with a two-stroke engine. Always run

the engine on fuel, which is 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 the oil bottle for the ratio or Hitachi dealer.

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

oil expressly labeled for air-cooled 2-cycle engine use (JASO

FC GRADE OIL or ISO EGC GRADE). Do not use BIA or TCW

(2-stroke water-cooling type) mixed oil.

○ Never use multi-grade oil (10 W/30) or waste oil.

○ Always mix fuel and oil in a separate clean container.

Always start by ﬁ ling half the amount of fuel, which is to be used.

Then add the whole amount of oil. Mix (shake) the fuel mixture. Add

the remaining amount of fuel.

Mix (shake) the fuel-mix thoroughly before ﬁ lling the fuel tank.

Fueling

WARNING

○ Always shut oﬀ the engine before refueling.

○ Slowly open the fuel tank, when ﬁ lling up with fuel, so that

possible over-pressure disappears.

○ Tighten the fuel cap carefully, after fueling.

○ Always move the trimmer at least 3 m from the fueling area

before starting.

Before fueling, clean the tank cap area carefully, to ensure that no

dirt falls into the tank. Make sure that the fuel is well mixed by shaking

the container, before fueling.

Starting (Fig. 21, 22)

CAUTION

Before starting, make sure the cutting attachment does not

touch anything.

1. Set ignition switch (27) to ON position. (Fig. 21, 22)

* Push priming bulb (30) several times so that fuel ﬂ ows through

the bulb or return pipe. (If so equipped) (Fig. 23, 24)

2. With the safety trigger (28) pressed (if so equipped), pull throttle

trigger and push throttle lock (29), then slowly release the throttle

trigger ﬁ rst, then the safety trigger. This will lock the throttle in

starting position.

3. Set choke lever to CLOSED position (31). (Fig. 23, 24)

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

grasp and not allowing it to snap back.

5. When you hear the engine want to start, return choke lever to

RUN position (open). Then pull recoil starter briskly again.

NOTE

If engine does not start, repeat procedures from 2 to 5.

6. After starting engine, pull throttle trigger to release throttle lock.

Then allow the engine about 2–3 minutes to warm up before

subjecting it to any load.

Cutting (Fig. 25, 26, 27, 28)

○ When cutting, operate engine at over 6500 rpm. Extended time

of use at low rpm may wear out the clutch prematurely.

○ Cut grass from right to left.

○ Blade thrust may occur when the spinning blade contacts a solid

object in the critical area.

A dangerous reaction may occur causing the entire unit and

operator to be thrust violently. This reaction is called blade

thrust. As a result, the operator may lose control of the unit which

may cause serious or fatal injury. Blade thrust is more likely to

occur in areas where it is diﬃ cult to see the material to be cut.

○ Wear the harness as shown in the ﬁ gure (if so equipped). The

blade turns counter-clockwise, therefore, be advised to operate

the unit from right to left for eﬃ cient cutting. Keep onlookers out

of working area at least 15 m.

NOTE

Press the quick release button or pull emergency release ﬂ ap (If

so equipped) in the event of emergency. (Fig. 27)

WARNING

If cutting attachment should strike against stones or other

debris, stop the engine and make sure that the attachment and

related parts are undamaged. When grass or vines wrap around

attachment, stop engine and attachment and remove them.

Stopping (Fig. 29)

Decrease engine speed and run at an idle for a few minutes, then

turn oﬀ ignition switch (27).

WARNING

A cutting attachment can injure while it continues to spin after

the engine is stopped or power control is released. When the

unit is turned oﬀ , make sure the cutting attachment has stopped

before the unit is set down.

MAINTENANCE

MAINTENANCE, REPLACEMENT OR REPAIR OF THE EMISSION

CONTROL DEVICES AND SYSTEMS MAY BE PERFORMED

BY ANY NON-ROAD ENGINE REPAIR ESTABLISHMENT OR

INDIVIDUAL.

Carburetor adjustment (Fig. 30)

WARNING

○ The cutting attachment may be spinning during carburetor

adjustments.

○ Never start the engine without the complete clutch cover and

tube assembled! 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 factory, the carburetor is basically adjusted. A further adjustment

may 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

(clockwise) the T-screw, with the engine running, until the cutting

attachment starts to rotate. Open (counter-clockwise) 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.

If the cutting attachment still rotates after idle speed adjustment,

contact your Hitachi dealer.

NOTE

○ Standard Idle rpm is 2500–3000 rpm.

○ Some models sold areas with strict exhaust emission regulation

do not have high and low speed carburetor adjustments. Such

adjustments may allow the engine to be operated outside of

their emission compliance limits. For these models, the only

carburetor adjustment is idle speed.

000Book_CG27EJ(S)_WE_NE.indb 11000Book_CG27EJ(S)_WE_NE.indb 11 2012/06/21 12:18:032012/06/21 12:18:03

Hitachi CG28EJ-L Seite 11

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