Echo CS-305 User Manual
OPTIONAL ATTACHMENTS & A CCESSORIES
Attachments
12A4CD3745 Guide Bar - 12" (.043" Ga)
14A4CD3752 Guide Bar - 14" (.043" Ga)
89850308032 Bar & Chain Cover - 17"
89850308033 Bar & Chain Cover - 20"
90SG45G Sawing Chain - 12" (.043" Ga) -- Micro-Lite
90SG52G Sawing Chain - 14" (.043" Ga) -- Micro-Lite
99988800207 CS Removable Nose Case
PARTS CATALOG
CS-305 Chain Saw
30.1cc
MODEL:SERIAL NUMBERS
CS-305: S/N 03001001 - 03999999
ECHO, INCORPORATED
400 Oakwood Road Lake Zurich, Illinois 60047 USA
WWW.ECHO-USA.COM
99922203694/03
©2009 ECHO Incorporated, RePower is Registered Trademark of ECHO Incorporated. All Rights Reserved REVISED 04/08/09
Table of Contents Part Number Index
Table of Contents
Click Any Diagram Description Below To View That Diagram.
CS-305 S/N 03001001 - 03999999
Intake................................................................................................................................................................................4
Carburetor -- WT-589A.....................................................................................................................................................6
Exhaust S/N: 03010001-03105613..................................................................................................................................8
Exhaust S/N: 03105614-03999999................................................................................................................................10
Chain Brake, Clutch, Cutting Attachment,Tools.........................................................................................................12
Handles, Throttle Control..............................................................................................................................................14
Fuel System, Auto-Oiler................................................................................................................................................16
Ignition, Flywheel, Starter.............................................................................................................................................18
Engine, Short Block, Engine Cover..............................................................................................................................20
Part Number Index.........................................................................................................................................................22
Part Description Index..................................................................................................................................................23
99922203694/03 - 2 - REVISED 04/08/09
This Page Intentionally Left Blank
- 3 -
Table of Contents Part Number Index
CS-305 Chain Saw Intake
99922203694/03 - 4 - REVISED 04/08/09
Table of Contents Part Number Index
CS-305 Chain Saw Intake
REMARKSDESCRIPTIONQTYPART NUMBERITEM
INCLUDES ITEMS 2-3AIR CLEANER COVER ASY1130302391361
INCLUDES ITEMS 3THUMB BOLT1130406139332
E-RING 41900700000043
FILTER, AIR1130310391324
SCREW 5X452900238050455
PLATE, PREVENT1129011391306
ROD, CHOKE1178510392307
SHUTTER, CHOKE1178515391308
WASHER2178516039309
CARBURETOR -- WT-5891A02100076010
GASKET, INTAKE1V10300002111
SCREW 5X1829002500501812
INSULATOR KIT1P02100001013
GASKET, INTAKE1V10300012014
SEAL11300123913115
99922203694/03 - 5 - REVISED 04/08/09
Table of Contents Part Number Index
CS-305 Chain Saw Carburetor -- WT-589A
99922203694/03 - 6 - REVISED 04/08/09
Table of Contents Part Number Index
CS-305 Chain Saw Carburetor -- WT-589A
REMARKSDESCRIPTIONQTYPART NUMBERITEM
CARBURETOR -- WT-589A1A021000761
COVER, METERING DIAPHRAGM1123142039301
1------------------2
BODY, CARBURETOR
SHAFT, THROTTLE1123117395303
SPRING, THROTTLE RETURN1123113475304
SCREW, THROTTLE VALVE1123114039305
VALVE, THROTTLE1123116052306
CIRCLIP1123127150307
LEVER, THROTTLE1123150392308
SCREW, THROTTLE LEVER1123114039309
CAP, MIXTURE LIMITER2P00300001010
NEEDLE - HIGH SPEED11231204313111
NEEDLE - LOW SPEED11231183923112
BALL11231360966013
PISTON ASY11231850966014
SPRING, START VALVE11231860966015
SCREW, IDLE ADJUST11231341973016
SPRING, IDLE ADJUST11231331113017
COVER, FUEL PUMP11231240932018
SCREW, PUMP COVER11231100393019
SCREW, METERING DIAPHRAGM
41231300296021
COVER
DIAPHRAGM, METERING1------------------22
GASKET, METERING DIAPHRAGM1------------------23
SCREW, METERING LEVER PIN1------------------24
LEVER, METERING1------------------25
PIN, METERING LEVER1------------------26
SPRING, METERING LEVER1------------------27
VALVE, INLET NEEDLE1------------------28
PLUG, WELCH1------------------29
SCREEN, INLET1------------------30
DIAPHRAGM, FUEL PUMP1------------------31
GASKET, FUEL PUMP1------------------32
DIAPHRAGM, METERING1------------------34
GASKET, METERING DIAPHRAGM1------------------35
DIAPHRAGM, FUEL PUMP1------------------36
GASKET, FUEL PUMP1------------------37
1
INCLUDES ITEMS 21-32REPAIR KIT11231003733020
INCLUDES ITEMS 34-37DIAPHRAGM/GASKET KIT11231010596033
Footnotes
1: NOT AVAILABLE SEPARATELY
99922203694/03 - 7 - REVISED 04/08/09
Table of Contents Part Number Index
CS-305 Chain Saw Exhaust S/N: 03010001-03105613
99922203694/03 - 8 - REVISED 04/08/09
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