Manual Hitachi CG22EJ-SLN (page 7 of 72) (English, German, Dutch, Danish, French, Italian, Portuguese, Swedish, Spanish, Norwegian, Finnish)

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ASSEMBLY PROCEDURES

Installation of attachment

1. Join the attachment in place of it.

2. Make sure the lock pin (1) ﬁ ts in the location hole (2) of tube and

that the tube will not come oﬀ . (Fig. 1)

3. Tighten the knob nut (3) securely. (Fig. 1)

Installation of handle

WARNING

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

cutters, always use a barrier bar (4) 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 comfortable position before operation.

NOTE

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

illustration.

OPERATING PROCEDURES

Fuel (Fig. 3)

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. 4, 5)

CAUTION

Before starting, make sure the cutting attachment does not touch

anything.

1. Set ignition switch (5) to ON position. (Fig. 4)

* Push priming bulb (8) several times so that fuel ﬂ ows through the

bulb or return pipe. (If so equipped) (Fig. 5)

2. With the safety trigger (6) pressed (if so equipped), pull throttle

trigger and push throttle lock (7), 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 (9). (Fig. 5)

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.

Stopping (Fig. 6)

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

oﬀ ignition switch (5).

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. 7)

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.

For models that equipped with low and high speed adjustments;

carburetors are preset at the factory. Minor adjustments may optimize

performance based on climate, altitude, etc. Never turn the adjustment

screws in increments greater than 90 degrees, as engine damage can

result from incorrect adjustment, If you are not familiar with type of

adjustment-assistance Hitachi dealer.

WARNING

When the engine is idling the cutting attachment must under no

circumstances rotate.

000Book_CG22EJ(SLN).indb 7000Book_CG22EJ(SLN).indb 7 2012/06/21 15:30:192012/06/21 15:30:19

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Hitachi CG22EJ-SLN Manual

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