Manual Hitachi CH22EAP2-50ST (page 7 of 88) (English, German, Dutch, Danish, French, Italian, Portuguese, Swedish, Spanish, Norwegian, Finnish)

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English

NOTE

Helpful information for correct function and use.

SPECIFICATIONS

MODEL

CH22EAP2 (50ST)

CH22EA2 (50ST)

CH22EBP2 (62ST)

CH22EB2 (62ST)

CH22ECP2 (62ST)

CH22EC2 (62ST)

CH22ECP2 (78ST)

CH22EC2 (78ST)

Engine Size (ml) 21.1

Spark Plug NGK BMR 7A (Europe and Australia) or Champion CJ 6 (other regions)

Fuel Tank Capacity (l) 0.30

Dry Weight (kg) 4.3 4.7 5.0 5.2

Overall blade length (mm) 500 620 620 780

Blade type

Double-sided

Sound pressure level

LpA (dB(A)) (ISO 10517) 97

Sound power level

Lw measured (dB (A))

(2000/14/EC, ISO 10517)

102

LwA (dB (A)) 104

Vibration level (m/s

) (ISO 10517)

Front handle

Rear handle

7.0

7.5

9.1

2.8

3.4

2.8

NOTE

Equivalent noise level/vibration level are calculated as the time-weighted energy total for noise/vibration levels under various working

conditions with the following time distribution : ISO 10517.....1/5 idle, 4/5 racing. 2000/14/EC.....only racing.

* All data subject to change without notice.

OPERATING PROCEDURES

Fuel (Fig. 1)

WARNING

The hedge trimmer is equipped with a two- stroke engine.

Always run the engine on fuel, 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 (10W/30) or waste oil.

○ Always mix fuel and oil in a separate clean container.

Always start by ﬁ lling 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 (Fig. 2)

○ Always shut oﬀ the engine before refueling.

○ Slowly open the fuel tank (1), when ﬁ lling up with fuel, so that

possible over-pressure disappears.

○ Tighten the fuel cap carefully, after fueling.

○ Always move the unit 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

CAUTION

Before starting, make sure the cutting attachment does not

touch anything.

1. Set stop switch (2) to ON position (A). (Fig. 3)

* Push priming pump (4) several times so that fuel ﬂ ows through

the pump or return pipe. (Fig. 4)

CAUTION

Do not disassemble the recoil starter. you may get a possibility

of personal injury with recoil spring.

2. Set choke lever (5) to CLOSED position (B). (Fig. 5)

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

grasp and not allowing it to snap back. (Fig. 6)

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

to RUN position (open) (C). Then pull recoil starter briskly

again.

NOTE

If engine does not start, repeat procedures from 2 to 4.

5. After starting engine, allow the engine about 2-3 minutes to

warm up before subjecting it to any load.

Cutting

When cutting, operate engine at full throttle as this maintains proper

blade speed. When trimming top of hedge, hold trimmer so blades

are between 15 and 30 degrees from a horizontal position and

swing trimmer in an arc toward edge of hedge to sweep cuttings oﬀ .

When trimming sides of hedge, hold blade vertically and swing unit

in an arc.

NOTE

○ Multi-position twist handle (Fig. 7)

The rear control handle turns 90 degrees to provide

comfortable use while accommodating a variety of cutting

angles. The handle allows for ﬁ ve diﬀ erent locking positions.

Before attempting to adjust rear handle, make sure the machine

is at idle or engine is shut oﬀ .

○ The throttle lever cannot be engaged if the handle is not

secured (the lock lever is pressed).

To rotate the handle; push the lock lever (6) allowing the handle

to turn. Rotate the handle to the desired 0°, 45° or 90° locking

position and release the lock lever (6) to lock the handle in

place.

D: LOCK

E: UNLOCK

Stopping (Fig. 8)

Decrease engine speed, and push stop switch to stop position (F).

NOTE

If the engine does not stop, it can be forced to stop by rotating

the choke lever to the choked position.

Before restarting the engine, ask Hitachi Authorized Service

Centers for repairs.

01Eng_CH22EAP2(50ST)_WE_NE.indd 701Eng_CH22EAP2(50ST)_WE_NE.indd 7 2013/04/05 9:30:272013/04/05 9:30:27

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Hitachi CH22EAP2-50ST Manual

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