English
SPECIFICATIONS
MODEL CH22EAP2 (50ST) CH22EBP2 (62ST) CH22ECP2 (62ST) CH22ECP2 (78ST)
Engine Size (cu. in.)
Spark Plug
Fuel Tank Capacity (fl . oz)
Dry Weight (lbs)
Overall blade length (in.)
Blade type
Sound pressure level
LpA (dB(A)) (ISO 10517)
Sound power level
Lw measured (dB (A))
(2000/14/EC, ISO 10517)
LwA (dB (A))
Vibration level (m/s
)
2
(ISO 10517)
Front handle
Rear handl
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 is 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.
○ Only for the state of California at 50:1.
○ 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.
6
9.5 (4.3 kg)
10.4 (4.7 kg)
19.7 (500 mm)
24.4 (620 mm)
7.0
7.5
1.34 (21.1 ml)
Champion CJ 6
10.1 (0.30 l)
11.0 (5.0 kg)
24.4 (620 mm)
Double-sided
97
102
104
9.1
2.8
9.1
3.4
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.
A
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 10 ft (3 m) from
the fueling area before starting.
11.5 (5.2 kg)
30.7 (780 mm)
2.8
2.8
B
Fig. 1