Manual Hitachi TCG22EAS (page 11 of 76) (English, German, Dutch, French, Italian, Portuguese, Spanish)

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Installation of attachment

1. Join the attachment in place of it.

2. Make sure the lock pin (3) ﬁ ts in the location hole (4) of tube and

that the tube will not come oﬀ . (Fig. 2)

3. Tighten the knob nut (5) securely. (Fig. 2)

Installation of handle

WARNING

When you use steel/rigid blades on straight shaft trimmers or

brush cutters, always use a barrier bar (6) and shoulder harness

with the loop handle. (Fig. 3)

Attach the handle to the drive shaft tube with the angle towards the

engine.

Adjust the location to the most comfortable position before

operation.

NOTE

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

the illustration.

Remove the handle bracket (7) from the assembly. (Fig. 4)

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 (8). (Fig. 5)

Throttle wire / stop cord

Press the upper tab (9) and open the air cleaner cover. (Fig. 6)

Connect stop cords. (Fig. 7)

If the throttle outer end (10) is threaded on your unit, screw it and the

earth terminal (11) (if so equipped) into the cable adjuster stay (12)

all the way, and then tighten this cable end using the adjuster nut

(13) against the cable adjuster stay (12).

Connect throttle wire end (14) to carburetor (15) and install swivel

cap (16) (if so equipped) where is included in tool bag, onto swivel

(15) (Fig. 8).

Some models may come with the parts installed.

Installation of blade guard (Fig. 9, 10, 10-1, 11)

NOTE

The guard bracket may come already mounted to the gear case

on some models.

Install the blade guard on drive shaft tube against angle

transmission. Tighten the guard bracket ﬁ rmly so that the blade

guard does not swing or move down during operation.

Install the blade guard to the guard bracket, which also secures the

guard to the gear case using the two guard mounting screws.

CAUTION

Some blade guards are equipped with sharp line limiters. Be

careful with handling it.

When using a trimmer head with two piece type blade guard, attach

the guard extension to the blade guard. (Fig. 12)

NOTE

○ When attaching the guard extension to the blade guard, the

sharp line limiter must be removed from the blade guard, (if so

installed).

○ 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.

13)

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

6696597 Female screw Clockwise M8×P1.25-RH

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 (17) on the case is no longer visible or

there is a hole in the bottom (18) of the button, change the new

parts immediately. (Fig. 14)

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

case.

○ For outstanding performance and reliability, always use Tanaka

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. 15)

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

cutters. The mounting nut is left-hand-threaded. Turn clockwise

to loosen/counterclockwise to tighten.

For curved shaft models, the mounting nut is right-hand-threaded.

Turn counterclockwise to loosen/clockwise 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 (19) into the hole of the gear case in order to

lock the cutter holder.

4. Adjusting line length

○ Set the engine speed as low as possible and tap the head on

the ground. The nylon line will be drawn out about 3 cm with

each tap. (Fig. 16)

Also, you can extend the nylon line by hand but the engine must

be completely stopped. (Fig. 17)

○ Adjust the nylon line to the proper length of 11–14 cm before

each operation.

Installation of cutting blade (Fig. 18)

(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 (20), be sure to set concave

side upward.

○ Insert the alien wrench (19) into the hole of the angle

transmission in order to lock the cutter holder (21). Please note

that the cutter ﬁ xing bolt or nut (22) has left-handed threads,

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

ﬁ xing bolt or nut with the box wrench.

○ If your unit is of a nut securing type and equipped with a cotter

pin, the blade must be retained with a new pin (23) each time

installed. (Fig. 19)

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.

000Book_TCG22EAS_WE.indb 11000Book_TCG22EAS_WE.indb 11 2012/10/22 18:09:162012/10/22 18:09:16

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Hitachi TCG22EAS Manual

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