Hitachi CG31EBS - Инструкция по эксплуатации - Страница 11

10

English

ASSEMBLY

PROCEDURES

Drive

shaft

to

engine

 (

Fig.

1

)

Loosen tube locking bolt (1) about ten turns so that the bolt point will 
not obstruct drive shaft tube to be inser ted. When inser ting drive 
shaft tube, hold the tube locking bolt outward preventing inside 

fi

 tting from obstructing as well.

Some models may come with the drive shaft already installed.

NOTE

When it is hard to inser t drive shaft up to the marked position on 
the drive shaft tube, turn drive shaft by the cutter mounting end 
clockwise or counter-clockwise. Tighten tube locking bolt lining 
up the hole in the shaft tube. Then tighten clamp bolt securely 
(1).

Installation

of

handle

WARNING

When you use steel/rigid blades on straight shaft trimmers or 
brush cutters, always use a barrier bar (2) and shoulder harness 
with the loop handle. (

Fig.

2

)

Attach the handle to the drive shaft tube with the angle towards the 
engine.
Adjust the location to the most comfor table position before 
operation.

NOTE

If your unit has handle location label on drive shaft tube, follow 
indication.

Remove the handle bracket (3) from the assembly. (

Fig.

3

) 

Place the handles and attach the handle bracket with four bolts 
lightly. Adjust to appropriate position. Then attach it 

fi

 rmly with the 

bolts.
Attach the protection tube to the drive shaft or handle using cord 
clamps (4). (

Fig.

4

)

NOTE

If the protection tube is set apar t from the handle or pipe, it will 
be caught by something during operation and it may cause 
serious injur y. Do not set the protection tube apar t from the 
handle or pipe.

Throttle

wire

 / 

stop

cord

Remove air cleaner cover. (

Fig.

5

)

Loosen and remove the screw from the throttle wire holder. (

Fig.

7

)

Connect the terminals of the stop cords coming out from the engine 
and shaft. (

Fig.

6

)

Hook the throttle wire end on the throttle of the carburetor.
Make sure that the throttle trigger shown in 

Fig.

18

 has returned to 

the star ting position. 
Put the throttle outer end into the groove, and then cover it with the 
throttle wire holder and 

fi

 x the holder with the screw. (

Fig.

8

)

Then, install the cleaner cover.
Fix the protection tube which the stop cords and throttle wire are 
passing through, on the pipe with the hip pad. Then, as shown in the 

fi

 gure, 

fi

 x the protection tube on the pipe and handle with the bands 

in the bag. 
After 

fi

 xing, cut o

ff

  the extra par t of the band not to obstruct the 

operation. (

Fig.

4

)

NOTE

If the protection tube is set apar t from the handle or pipe, it will 
be caught by something during operation and it may cause 
serious injur y.

Do not set the protection tube apar t from the handle or pipe.

Some models may come with the par ts pre-installed.

Installation

of

blade

guard

 (

Fig.

10

)

The guard bracket already mounted to the drive shaft tube.
Attach

the

gear

case

cover

with

the

three

screws

.

Install the blade guard on drive shaft tube against angle 
transmission (5). Tighten the guard bracket 

fi

 rmly so that the blade 

guard does not swing or move down during operation.

CAUTION

The blade guard must be in place during operation.

If the blade guard is not in place, there is a possibility of serious 
injur y.

Blade guards are equipped with sharp line limiter. Be careful with 
handling it.

NOTE

○

  When attaching the guard extension to the blade guard, the 

sharp line limiter must be removed from the blade guard.

○

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

gloves as the extension has a sharp line limiter, then push the 
two square tabs on the guard one by one in order after removed 
the screw. (

Fig.

12

)

Installation

of

cutting

blade

 (

Fig.

13

)

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.
Align the notch hole of the cutter holder with the hole on the gear 
case (Top the gear case) and inser t the Allen wrench to stop turning. 
Turn the 

fi

 xing nut clockwise and remove the 

fi

 xing nut, protection 

cover, cutter holder cap, and toothed lock washers.
The installation of the cutting blade is as follows: inser t the Allen 
wrench into the notch hole of the cutter holder and the hole on 
the gear case. Then, install the cutting blade (check the installing 
direction, as referring to 

Fig.

15

), the cutter holder cap, protection 

cover, and toothed lock washers onto the cutter holder in this order. 
Finally, tighten the 

fi

 xing nut securely by turning counterclockwise 

with the Combi box spanner. (

Fig.

13

)

CAUTION

○

  When installing the cutting blade, set its center hole to the 

convex par t of the cutter holder and hold it with the concave 
sur face of the cutter holder cap. Then, tighten the 

fi

 xing nut to 

prevent the cutting blade from being eccentric. (

Fig.

14

)

After installing the cutting blade, be sure to remove the Allen 
wrench and Combi box spanner.

○

  Before operation, make sure the blade has been properly 

installed.

○

  Cutter holder cap 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 ar ticle of consumption.

NOTE

The blade must be retained with a new cotter pin each time 
installed. (

Fig.

13

)

Installation

of

nylon

head

 (

Fig.

16

)

Attach cutter holder (7) to the gear case. Inser t an Allen wrench into 
the hole in the gear case to attach winding protector (6) and attach 
nylon head (8) by turning it clockwise.

NOTE

Since cutter holder cap is not used here, keep it for next metal 
blade use.

OPERATING

PROCEDURES

Fuel

 (

Fig.

17

)

WARNING

○

  The brush cutter 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 contains highly 

fl

 ammable and it is possible to get the 

serious personal injur y when inhaling or spilling on your body. 
Always pay attention when handling fuel. Always have good 
ventilation when handling fuel inside building.

000Book̲CG31EBS̲EE.indb   10

000Book̲CG31EBS̲EE.indb   10

2009/10/15   9:13:39

2009/10/15   9:13:39