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5
English
SPECIFICATIONS
MODEL CH22EAP (50ST) CH22EBP (62ST) CH22ECP (62ST) CH22ECP (78ST)
Engine Size (cu. in.)
1.34 (21.1 ml)
Spark Plug
Champion CJ 6
Fuel Tank Capacity (
fl
. oz)
10.1 (0.30 l)
Dry Weight (lbs)
9.9 (4.5 kg)
10.6 (4.8 kg)
11.7 (5.3 kg)
12.1 (5.5 kg)
Overall blade length (in.)
19.7 (500 mm)
24.4 (620 mm)
24.4 (620 mm)
30.7 (780 mm)
Blade type
Sound pressure level
LpA (dB(A)) (ISO 10517)
89
89
89
89
Sound power level
Lw measured (dB (A))
(2000/14/EC)
108
108
108
108
LwA (dB (A))
112
Vibration level (m/s
2
)
(ISO 10517)
Front handle
Rear handl
7.3
5.9
14.8
7.4
2.6
2.8
2.6
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 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.
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
B
Fig. 1
Fueling
WARNING
(
Fig.
2
)
●
Always
shut
o
ff
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.
000Book̲CH22EAP(50ST)̲US.indb 5
000Book̲CH22EAP(50ST)̲US.indb 5
2012/01/16 13:33:36
2012/01/16 13:33:36