Bedienungsanleitung Hitachi CG25EUS-L (Seite 10 von 64) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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○ If your unit has guard location label on drive shaft tube, follow

the indication.

○ To remove the guard extension, refer to the drawings. Wear

gloves as the extension has a sharp line limiter, then push the

four square tabs on the guard one by one in order. (Fig. 10)

Installation of semi-auto cutting head

1. Function

Automatically feeds more nylon cutting line when it is tapped at

low rpm (not greater than 4500 rpm).

Speciﬁ cations

Code

No.

Type of

attaching screw

Direction of

rotation

Size of

attaching screw

6696454 Female screw Counterclockwise M10×P1.25-LH

Applicable nylon cord

Cord diameter: Φ3.0 mm Length: 2 m

Cord diameter: Φ2.4 mm Length: 4 m

2. Precautions

○ The case must be securely attached to the cover.

○ Check the cover, case and other components for cracks or

other damage.

○ Check the case and button for wear.

If the wear limit mark on the case is no longer visible or there

is a hole in the bottom of the button, change the new parts

immediately. (Fig. 11)

○ The cutting head must be securely mounted to the unit’s gear

case.

○ For outstanding performance and reliability, always use Hitachi

nylon cutting line. Never use wire or other materials that could

become a dangerous projectile.

○ If the cutting head does not feed cutting line properly, check

that the nylon line and all components are properly installed.

Contact your Hitachi dealer if you need assistance.

3. Installation (Fig. 12)

○ Install cutting head on gear case of grass trimmers/brush

cutters. The mounting nut (12) is left-hand-threaded. Turn

clockwise to loosen/counterclockwise to tighten.

NOTE

○ Since the cutter holder cap is not used here, keep it for when a

metal blade is used, if so equipped.

○ Insert Allen wrench (13) into the hole of the gear case in order to

lock the cutter holder.

Installation of cutting blade (Fig. 13)

(If so equipped)

When installing a cutting blade, make sure that there are no cracks

or any damage in it and that the cutting edges are facing the correct

direction.

NOTE

○ When installing cutter holder cap (14), be sure to set concave

side upward.

○ Insert the alien wrench (15) into the hole of the angle

transmission in order to lock the cutter holder (16). Please note

that the cutter ﬁ xing bolt or nut (17) has left-handed threads,

(clockwise to loosen/ counter-clockwise to tighten). Tighten the

ﬁ xing bolt or nut with the box wrench.

CAUTION

○ Before operation, make sure the blade has been properly

installed.

○ If your unit is equipped with protection cover under a cutting

blade, check it for wear or cracks before operation. If any damage

or wear is found, replace it, as it is an article of consumption.

Installation of the Brain cutting head

WARNING

For Hitachi heads or Hitachi alloy head, use only ﬂ exible, non-

metallic line recommended by the manufacturer. Never use

wire or wire ropes. They can break oﬀ and become a dangerous

projectile.

NOTE

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

length should be about 17 cm each. (Fig. 14)

OPERATING PROCEDURES

Engine oil

○ Always use the speciﬁ ed engine oil (multigrade oil of

classiﬁ cation SAE 10W-30). Insuﬃ cient engine oil or using

engine oil other than the speciﬁ ed type may cause breakdown

of the unit.

Filling up with engine oil

○ Place the unit horizontally on a clean, ﬂ at surface.

○ Remove the oil cap and check whether the engine oil comes up

to the mouth of the oil tank opening. (Fig. 15)

○ If the oil level is low or when using the unit for the ﬁ rst time, ﬁ ll

the tank with engine oil up to the mouth of the oil tank opening.

○ If the engine oil is conspicuously dirty or discolored, change the

oil.

○ Tighten the oil cap securely after fueling.

○ When using the unit for the ﬁ rst time, change the engine oil after

running the engine for approximately 10 hours. Subsequently,

change the oil after every 50 hours of operation.

CAUTION

○ To avoid the risk of burn injuries, allow the engine to cool

thoroughly before changing the engine oil.

○ To prevent breakdown, ensure that no sand or dirt gets into the

tank while refueling.

Fuel

WARNING

Provide good ventilation, when fueling or handling fuel.

○ Always use branded 89 octane unleaded gasoline.

○ Do not use a mixture of gasoline and engine oil as this may lead

to starter failure or power reduction.

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.

Starting (Fig. 16)

CAUTION

Before starting, make sure the cutting attachment does not

touch anything.

1. Set ignition switch (18) to ON position. (Fig. 16)

* Push priming bulb (19) several times so that fuel ﬂ ows through

the bulb or return pipe. (If so equipped) (Fig. 17)

2. Set choke lever to CLOSED position (20). (Fig. 18)

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

grasp and not allowing it to snap back.

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

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

000Book_CG25EUS_WE.indb 10000Book_CG25EUS_WE.indb 10 2009/12/25 21:39:072009/12/25 21:39:07

Hitachi CG25EUS-L Seite 10

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