Technical Data - Echo CS-2510TES Service Manual

CS-2510TES
250Ts, 250TCs
Cutting devices
Guide bar Type
Called length
Gauge
Saw chain
Type
Number of drive links
Pitch
Gauge

1-2 Technical data

Engine
Idling speed
Wide open throttle speed*
Clutch engagement speed
Engagement Minimum
Compression pressure
Ignition system
Spark plug gap
Spark test
Spark tester gap w/ spark plug
Spark tester gap w/o spark plug
Pole shoe air gaps
Ignition timing
Carburetor
Throttle adjust screw initial setting
L mixture needle initial setting
H mixture needle initial setting
Test Pressure, minimum
Metering lever height
Chain oil discharge volume
BTDC: Before top dead centre.
* With 25 cm guide bar and properly tensioned saw chain.
**Set throttle adjust screw to the point that its tip contacts throttle plate before initial setting.
†
If clutch engagement speed is lower than minimum clutch engagement speed, replace clutch assembly with
new one.
SERVICE INFORMATION
Sprocket nose bar
C20S91-35SA C25S91-40SL C30S91-47ML C20H25-52CL C25H25-60CL
cm 20
in
35
in
in
†
MPa (kgf/cm
at 1,000 r/min
at 3,000 r/min
at 10,000 r/min
MPa (kgf/cm
mL/min(UK.fl .oz./min)
25 30
0.050
Carlton N1C-BL
OREGON 91PX
40 47
3/8
0.050
r/min
r/min
r/min
r/min
2
) (psi)
mm(in) 0.6 - 0.7 (0.024 - 0.028)
mm(in)
mm(in)
mm(in) 0.3 - 0.4 (0.012 - 0.016)
°BTDC
°BTDC
°BTDC
turn in**
turn out
turn out
2
) (psi)
mm(in) 1.65 (0.06) lower than diaphragm seat
Adjustable: 1.5 - 13 (0.05 - 0.46)
(Factory set: 7 mL/min)
Carving
20
OREGON 25AP
52
1/4
2,800 - 3,600
12,700 - 13,100
4,400
3,700
1.03 (10.5) (150)
4.0 (0.16)
6.0 (0.24)
9
12
29
1 5/8
1 7/8
2 5/8
0.05 (0.5) (7.0)
3
25
60