Echo CS-3700ES Parts List Manual


Echo CS-3700ES PARTS LIST and repair the 3700ES chainsaw. View free page images online or download full PDF. Clear diagrams and accurate repair information, print or save on any suitable device.

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Echo CS-3700ES Parts List Repair

Echo CS-37000ES Parts List for the Echo chainsaw. Repair and identify all chainsaw parts for the Echo 3700ES (CS-3700ES) with this manual. The manual contains diagrams and accurate information as used by professional mechanics and repair shops to troubleshoot and identify all componants of the chainsaw.

This is the Echo 3700ES parts list manual. A workshop service manual and carburetor manual is also available from this website. Chainsaw Model number Echo 3700ES.


It is in a pdf format which contains clear exploded diagrams to help you quickly find all parts of your Echo CS-3700ES chainsaw.

Contents of Echo CS-3700ES Parts List Manual

Introduction, Specifications, Clutch, Engine, Ignition system, Rewind starter, Throttle control, Fuel system, carburetor, Av system, Shaft, Cutting tool drive, Support frame, Special servicing tools and aids.

Echo CS-3700ES Specifications

Echo 3700ES chainsaw model carbureter type: Walbro Wt-594, WT-985, OEM Part Number A021000220 .

Model: CS-3700ES

External dimentions : L × W × H mm 383 × 238 × 270


Saw without guide bar and chain, empty tanks: kg 4.4


Fuel tank: mL 410

Tank for chain lubrication oil: mL 240

Fuel ( Mixture ratio ): Regular grade petrol. Minimum 89 Octane unleaded petrol is recommended. Do not use fuel containing methyl alcohol or more than 10 % of ethyl alcohol. 50 : 1 ( 2 % ) for ISO- L- EGD Standard ( ISO/CD 13738 ), JASO FC grade and ECHO Premium 50 : 1 oil.

Oil ( Chain oil ): Special chain oil or motor oil

Cutting length

All specified usable cutting lengths of guide bar: mm 310, 380


Specified pitch: mm 8.26 ( 0.325 inch )

Specified gauge ( thickness of drive links ): mm 1.47 ( 0.058 inch )

Type of guide bar: cm 33, 38 ( ECHO )

Guide bar gauge: mm 1.47 ( 0.058 inch )

Guide bar gauge: mm 1.47 ( 0.058 inch )

Type of chain: Carlton K2L

Lubrication: Adjustable automatic oil pump

Sprocket : Specified number of teeth 7


Type: Air cooled 2-cycle single cylinder

Carburettor: Diaphragm type
Magneto: Flywheel magneto, CDI system
Spark plug: NGK BPMR7A
Starter: Recoil starter ; “ES” START
Power transmission: Automatic centrifugal clutch

Engine displacement: mL (cm³) 35.8

Maximum shaft brake power ( ISO 7293 ): kW 1.5

Recommended maximum speed with cutting attachment: r/min 12,500

Recommended speed at idling: r/min 2,800

Fuel consumption

Fuel consumption at maximum engine power: kg/h 0.91

Specific fuel consumption at maximum engine power: g/(kW·h) 613

Sound pressure level

( EN 27182 ) LpAav = dB(A) 98

Guaranteed sound power level: ( 2000/14/EC ) LWA = dB(A) 112

Chain brake

( ISO 6535 ) Mean braking time at racing speed: s 0.08

Vibration : ( ISO 7505 ) m/s² 8.5

Other devices: Front hand guard, Rear hand guard, Throttle trigger lockout, Chain catcher, Chain brake, Anti-vibration device, Spiked bumper.

Echo CS-3700ES Chainsaw Features

It’s manufactured in Japan to the highest possible standards,

See manual for more chainsaw specs…

Echo CS-3700ES Parts List PDF

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