Echo CS-301 Service Manual Repair
Echo CS-301 Service Workshop Manual for the Repair and service of 301 chainsaws. The PDF manual has diagrams and acurate information to help to troubleshoot, repair and fix the Echo chainsaw. View free page images online or download a PDF manual that you can easily save, print or view on most devices.
Echo CS-301 Service Manual-Service Data
SERVICE INFORMATION
Specification, Technical data, Torque limits, Special repairing materials, Service limits., Special tools.
CARBURETOR ADJUSTMENT PROCEDURE
General adjusting rules, Presetting idle adjust screw, L mixture needle and H mixture needle, Adjusting carburetor.
See the additional carburetor manual, parts list, operator manual and technical supplements PDF download available on this website for more information on servicing and repair of the chainsaw.
Echo CS-301 Chainsaw Specifications
Echo CS-301 chainsaw model carbureter type: Walbro WT-589 OEM Part Number.
Model: CS-301
External dimensions
Length: 260 (10.2)
Width mm(in): 235 (9.3)
Height mm(in): 220 (8.7)
Dry weight kg(lb): 3.2 (7.1)
Engine
Type: KIORITZ, air-cooled, two-stroke, single cylinder Two-piece casting, Reed valve
Rotation: Clockwise as viewed from the output end
Displacement: cm3(in3) 30.1 (1.836)
Bore: mm(in) 37.0 (1.457)
Stroke: mm(in) 28.0 (1.102)
Compression ratio: 7.0 : 1
Carburetor
Carburettor Type: Diaphragm, horizontal-draught
Model :(Walbro) WT-589
Venturi size-Throttle bore: mm(in) 9.53 – 14.3 (3/8 – 9/16)
Ignition
Ignition Type: CDI (Capacitor discharge ignition) system in a single integrated piece, with electronic timing advancer
Spark plug: BPM8Y
Exhaust
Muffler: Spark arrestor muffler with catalyst
Starter
Type: Automatic rewind
Rope diameter x length: mm(in) 3.0 x 850 (0.12 x 33.5)
Fuel
Fuel Type: Premixed two-stroke fuel (Refer to Operator’s manual.)
Tank capacity: cm3(U.S.fl.oz.) 250 (8.5)
Petrol: Minimum 89 octane petrol (RON) Two-stroke air cooled engine oil ISO-L-EGD (ISO/CD13738), JASO FC
Clutch
Type: Centrifugal, 3-shoe slide
Guide bar / Saw chain lubrication type
Type: Automatic with volume adjuster
Oil Tank capacity: L (U.S.fl .oz.) 150 (5.0)
Oiler Type: clutch related type
Sprocket
Type: Spur
Number of teeth: 6
Pitch: in 3/8
Cutting devices
Guide bar:
Type: Double guard 120374501
Intenz: 122374501
Gauge: in 0.050
alled Length: in 12
Saw chain:
Type: 91VG-45G
Gauge in: 3/8
Pitch: in 0.050
carburetor adjustment
1. Start engine and run for several minutes to reach operating temperature.
2. Stop engine. Remove grommet cover (A) over “H” and “L” limiter needles.
3. Start engine and turn the high-speed needle rich (CCW) until the engine runs between 11,500 and 12,000 RPM. Then turn the low-speed needle rich (CCW) until the engine does not hesitate when accelerated. DO NOT REMOVE LIMITER CAPS!
4. Idle Speed Adjustment.
• Turn “idle” speed adjustment screw (B) CW until the saw chain begins to move, then turn the screw CCW until saw chain stops moving. Turn screw CCW an additional 1/4 turn.
5. Accelerate to full throttle for 2-3 seconds to clear excess fuel from engine then return to idle. Accelerate to full throttle to check for smooth transition from idle to full throttle. If engine stops or stalls after full warm up return the unit to your authorized ECHO dealer for adjustment.
6. Install grommet cover (A) over “H” and “L” limiter needles.
SERIAL NUMBERS: 02001001-02043603
A021000230 1 CARBURETOR – Walbro WT-589
SERIAL NUMBERS: 02043604-04999999
A021000760 1 CARBURETOR -Walbro WT-589
See manuals for more chainsaw specs..
Echo CS-301 Service Workshop Manual PDF
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