Echo CS-301 Service Manual

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Echo CS-301 Service Workshop Manual for the Echo CS-301 chainsaws. View free page images online or download PDF with images, diagrams and information. Print or save to any device.
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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

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Echo CS-301 Service Workshop Manual PDF

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