Hitachi CG25EUS - Инструкция по эксплуатации - Страница 11

10

English

○

  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).

Speci

fi 

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: 

3.0 mm   Length: 2 m

 Cord 

diameter: 

2.4 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 par ts 
immediately. (

Fig.

11

)

○

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

case.

○

  For outstanding per formance 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. 

○

  Inser t 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.

○

  Inser t 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 o

ff

  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 speci

fi

ed engine oil (multigrade oil of 

classi

fi

 cation SAE 10W-30). Insu

ffi

  cient engine oil or using 

engine oil other than the speci

fi

 ed type may cause breakdown 

of the unit.

Filling

up

with

engine

oil

○

  Place the unit horizontally on a clean, 

fl

 at sur face.

○

  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 dir ty 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 ever y 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  dir t  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 star ter failure or power reduction.

Fueling

WARNING

○

  Always shut o

ff

  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 star ting.

Before  fueling,  clean  the  tank  cap  area  carefully,  to  ensure  that  no 
dir t falls into the tank.

Starting

 (

Fig.

16

)

CAUTION

Before star ting, make sure the cutting attachment does not 
touch any thing.

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 star ter 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 star t, return choke lever to 

RUN position (open). Then pull recoil star ter briskly again.

000Book̲CG25EUS̲EE.indb   10

000Book̲CG25EUS̲EE.indb   10

2009/12/26   9:26:20

2009/12/26   9:26:20