
5
English
SPECIFICATIONS
○
Code
“CS”
of
model
name
means
“Chain
saw”
Model
CS51EA
(40S)
CS51EA
(45S)
CS51EA
(50S)
Type
of
equipment
Chain
saw,
portable
Engine
Size
(cm
3
)
50.1
Spark
Plug
NGK
BPMR-7A
Fuel
Tank
Capacity
(cm
3
)
530
Chain
Oil
Tank
Capacity
(cm
3
)
270
Dry
Weight
(kg)
(Without
guide
bar
and
chain)
5.1
Chain
pitch
(mm)
8.26
Chain
gauge
(mm)
1.27
Sound
pressure
level
LpA
(dB
(A))
by
ISO
22868
Equivalent
Uncertainty
104
1
Sound
power
level
LwA
(dB
(A))
by
ISO
22868
Measured
Uncertainty
Sound
power
level
LwA
(dB
(A))
by
2000/14/EC
Measured
Guaranteed
113
2
114
117
Vibration
level
(m/s
2
)
by
ISO
22867
Front
handle
Rear
handle
Uncertainty
3.3
2.7
0.8
3.3
2.7
0.8
3.3
2.7
0.8
Guide
bar
length
(mm)
400
450
500
Type
of
chain
95VPX
(Oregon)
20BPX
(Oregon)
Max.
engine
power
by
ISO
7293
(kW)
2.5
Max.
engine
speed
(min
-1
)
13500
Idle
engine
speed
(min
-1
)
3000
Speci
fi
c
fuel
consumption
at maximum engine
power
(g/kWh)
439
Max.
chain
speed
(m/sec)
26.0
Sprocket
(number
of
teeth)
7
NOTE:
Equivalent
noise
level/vibration
levels
are
calculated
as
the
time-weighted
energy
total
for
noise/vibration
levels
under
various
working
conditions
with
the
following
time
distribution:
1/3
idle,
1/3
full,
1/3
racing
speed.
*All
data
subject
to
change
without
notice.
ASSEMBLY
PROCEDURES
WARNING
Never
try
to
start
engine
without
side
case,
bar
and
chain
securely
fastened.
1.
Pull
the
front
hand
guard
(2)
toward
the
front
handle
to
check
that
the
chain
brake
is
disengaged.
(
Fig.
2
)
2
Fig.
2
2.
Remove
guide
bar
clamp
nuts
(3).
Remove
the
side
case
(4).
(
Fig.
3
)
3
4
Fig.
3
000Book̲CS51EA̲Eng.indb 5
000Book̲CS51EA̲Eng.indb 5
2011/09/04 16:26:46
2011/09/04 16:26:46