AVAILABLE ATTACHMENTS & ACCESSORIESAccessories103942147 CS Carry Bag

89850308032 Blade Cover - 4.5 x 17in.

99988800207 CS Removable Nose Case

Guide Bars12A0CD3745 Guide Bar - 12"

14A0CD3752 Guide Bar - 14"

Sawing Chains91VG45G Chain - 12"

91VG52G Chain - 14"

PARTS CATALOG

CS-280E CHAIN SAW27.9cc

MODEL: SERIAL NUMBERSCS-280E: S/N 0000001 - 0055489

ECHO, INCORPORATED400 Oakwood Road Lake Zurich, Illinois 60047 USA

WWW.ECHO-USA.COM

99922203922_A©2007 ECHO, Incorporated. All Rights Reserved REVISED 01/23/07

Click Any Diagram Desciption Below To Veiw That Diagram.

CS-280E S/N 0000001 - 0055489Carburetor........................................................................................................................................................................4

Unit Complete..................................................................................................................................................................6

Part Number Index.........................................................................................................................................................10Part Description Index..................................................................................................................................................11

99922203922_A - 2 - REVISED 01/23/07

Table of Contents Part Number Index

Table of Contents

- 3 -

This Page Intentionally Left Blank

99922203922_A - 4 - REVISED 01/23/07

Table of Contents Part Number IndexCS-280E CHAIN SAW Carburetor

REMARKSDESCRIPTIONQTYPART NUMBERITEMConsisting of 1 thru 28Carburetor ass'y112520013930

Screw4125344139301Cover, diaphragm1125342139302

Included in Repair Kit P/N 12530015130 & Gasket,Diaphragm Kit P/N 12530115131

Diaphragm13

Included in Repair Kit P/N 12530015130 & Gasket,Diaphragm Kit P/N 12530115131

Gasket, diaphragm14

Disc1125375139305Included in Repair Kit P/N 12530015130Valve arm16Included in Repair Kit P/N 12530015130Arm pin17Included in Repair Kit P/N 12530015130Needle valve18Included in Repair Kit P/N 12530015130Coil spring19

Screw11253391393010Included in Repair Kit P/N 12530015130Orifice, main fuel11253761393011

Clip11253271393012Coil spring21253191393013Coil spring11253191393014Needle, high speed11253201393015Needle, idle11253181393016Return spring, throttle11253131393017Throttle shaft11253171393118Throttle shutter11253161393019

Included in Repair Kit P/N 12530015130Screw120Included in Repair Kit P/N 12530015130Screen121Included in Repair Kit P/N 12530015130 & Gasket,Diaphragm Kit P/N 12530115131

Diaphragm, fuel pump122

Included in Repair Kit P/N 12530015130 & Gasket,Diaphragm Kit P/N 12530115131

Gasket, fuel pump123

Pump cover11253241393024Screw, idle adjustment11253341393025Screw11253101393026Screw11253481393027Throttle lever11253501393028

Includes items 3, 4, 6, 7, 8, 9, 11, 20, 21, 22 & 23Repair Kit112530015130Includes items 3, 4, 22 & 23Gasket, Diagram Kit112535013930Use Carb Asy, P/N 12520013930Carb body30

99922203922_A - 5 - REVISED 01/23/07

Table of Contents Part Number IndexCS-280E CHAIN SAW Carburetor

99922203922_A - 6 - REVISED 01/23/07

Table of Contents Part Number IndexCS-280E CHAIN SAW Unit Complete

REMARKSDESCRIPTIONQTYPART NUMBERITEMIncludes items 1-3Cover ass'y, air cleaner113030213930

Thumb bolt1130406139301Cover, air cleaner1130313139302E-ring 31900700000033Air filter1130310139304Screw 4x10 w/W, SW3900242040105Bracket, air filter1130405139306Cushion1131920139307Grommet1132115014619Fuel pipe11320101393110Fuel strainer111312050583011

Fuel tank211310101393012Cushion11002231393113

Includes items 14-15Cap ass'y, fuel tank113100413930Gasket, fuel tank11310161393014Cap, fuel tank11310171393015Check valve211313140033016Screw 5x50 w/W, SW29002420505019Choke rod11785101393020Choke shutter11785151393021Spacer11785160393022Carburetor ass'y11252001393023Gasket11300160643024Insulator311300001393025Gasket11300101393026Cylinder and plunger14370021123027O-ring34370200283028Coil spring14370190283029Oiler Asy.4370001123030Screw9002420402035Top handle13510101393136Screw 4x18 w/W, SW49002420401837Spring, safety lock11780911393038Spring pin 5x1819003405001839Safety lock11780901393040Grip, handle13510121393041Throttle trigger11780101393042Throttle rod11780111393043Spring pin 5x2519003405002544Grommet11782100023045Decal18901511393046Screw21002441393047Plug11006141393065Stud bolt24330111393066Guide Bar467

Saw Chain468Cover, guide bar14330101393069Flange nut 624330190393170Decal ECHO18901371393071Snap ring11001301123072Washer11750151393073Needle bearing11750120393074Clutch Drum511750051533075Washer11750141123176

Includes item 80Clutch ass'y11750001393077

99922203922_A - 7 - REVISED 01/23/07

Table of Contents Part Number IndexCS-280E CHAIN SAW Unit Complete

REMARKSDESCRIPTIONQTYPART NUMBERITEMSpring clutch11750181393080Seal plate11753051393078Spacer11753111393079Muffler lid11458761393083

OptionalScreen11458621393084Locknut 524330200083085Washer 529006020000586Muffler11458051393087Gasket, muffler11455101393088Stud bolt21010140713189Screw 4x16 w/W, SW59002420401690Ignition coil11566261393091Grommet11561141393092Cover tube11566131393093Screw 4x30 w/W, SW69002420403094

Includes item 105Crankcase set11002001303095See Ref No. 9511002041393095ASee Ref No. 951002041393095BKnock pin210021503930105Oil seal11002120393096Gasket, Crankcase11002421393097Grommet11321151113098Oil pipe14372101393099Oil strainer143620502832100Circlip 32190070200032101Ball bearing 6201290081036201102Crankshaft ass'y6110010013930103Woodruff key110013106520104Oil seal110021211230106Piston kit110000013931109Wrist pin110001315330110Circlip, piston pin210001504630111Piston ring110001105731112Gasket, cylinder base110101013931113Cylinder110101113930114Screw 5x20 w/W. SW490024245020115Spark plug115901012330116Coil spring, plug cap115901100510117Cap, spark plug115901201620118Spacer215211705530119C.D, Ignition module115660113930120Screw 5x22 w/W, SW290024205022121Slit pin 2x15190030020015122Washer 2190060000002123Felt113141000330124

Includes items 125-126Cap ass'y, oil tank143600113930O-ring 16190072000016125Cap, oil tank143601313930126Grommet117881003330127Grommet112901013930128Grommet112901513930129Seal113103813930130Flywheel115680013930131Washer 8190060000008132Spring washer 8190060500008133

99922203922_A - 8 - REVISED 01/23/07

Table of Contents Part Number IndexCS-280E CHAIN SAW Unit Complete

REMARKSDESCRIPTIONQTYPART NUMBERITEMNut 8190050200008134Return spring, ratchet217723413930135Ratchet217721813930136Spacer217724704630137Screw217721713930138

Includes items 140-147Recoil starter ass'y117720013931Washer117721404630140Screw 4x10 w/SW190024104010141Recoil drum117721506530142Rope117722606530143Rewind spring117722006530144Starter handle117722811130145Rope guide117722705330146Fan cover110150713931147Screw 4x25 w/W, SW290024204025148Decal189011849330149Switch116340013930150Front handle135120513930151Clamp115911213930152Wrench w/s, driver189541043930155Washer17501513931156

Footnotes 1: See Parts Bullentin 87-11122: See Parts Bullentin 87-113: See Bullentin 6264: See Chainsaw Accessories5: See Bullentin Service Bullentin 87-96: When replacing P/N 10010013930 order one of each P/N 10013903930 (nut) & 17501513931 (washer).

99922203922_A - 9 - REVISED 01/23/07

Table of Contents Part Number IndexCS-280E CHAIN SAW Unit Complete

Click The Page Number After Any Part Number To Veiw The Diagram Containing That Part.PagePart Number

5, 7...................................810000013931 ............810001105731 ............810001315330 ............810001504630 ............810010013930 ............710013011230 ............810013106520 ............810020013030 ............810020413930 ............810021203930 ............810021211230 ............810021503930 ............710022313931 ............810024213930 ............710024413930 ............710061413930 ............810101013931 ............810101113930 ............810101407131 ............910150713931 ............5, 712520013930 ............512530015130 ............512531013930 ............512531313930 ............512531613930 ............512531713931 ............512531813930 ............512531913930 ............512532013930 ............512532413930 ............512532713930 ............512533413930 ............512533913930 ............512534213930 ............512534413930 ............512534813930 ............512535013930 ............512537513930 ............512537613930 ............812901013930 ............812901513930 ............713000013930 ............713001013930 ............713001606430 ............713030213930 ............713031013930 ............713031313930 ............713040513930 ............713040613930 ............713100413930 ............713101013930 ............713101613930 ............713101713930 ............813103813930 ............713120505830 ............713131400330 ............813141000330 ............713192013930 ............713201013931 ............713211501461 ............813211511130 ............814551013930 ............814580513930 ............814586213930 ............814587613930 ............815211705530 ............815611413930 ............815660113930 ............815661313930 ............815662613930 ............815680013930 ............815901012330 ............

PagePart Number

815901100510 ............815901201620 ............915911213930 ............916340013930 ............717500013930 ............717500515330 ............717501203930 ............717501411231 ............717501513930 ............917501513931 ............817501813930 ............817530513930 ............817531113930 ............917720013931 ............917721404630 ............917721506530 ............917721713930 ............917721813930 ............917722006530 ............917722606530 ............917722705330 ............917722811130 ............917723413930 ............917724704630 ............717801013930 ............717801113930 ............717809013930 ............717809113930 ............717821000230 ............717851013930 ............717851513930 ............717851603930 ............817881003330 ............735101013931 ............735101213930 ............935120513930 ............743301013930 ............743301113930 ............743301903931 ............843302000830 ............843600113930 ............843601313930 ............843620502832 ............743700011230 ............743700211230 ............743701902830 ............743702002830 ............843721013930 ............989011849330 ............789013713930 ............789015113930 ............989541043930 ............990024104010 ............790024204010 ............890024204016 ............790024204018 ............790024204020 ............990024204025 ............890024204030 ............890024205022 ............790024205050 ............890024245020 ............890030020015 ............790034050018 ............790034050025 ............990050200008 ............890060000002 ............890060000008 ............890060200005 ............890060500008 ............790070000003 ............890070200032 ............890072000016 ............

PagePart Number

890081036201 ............

99922203922_A - 10 - REVISED 01/23/07

Table of Contents Part Number Index

Part Number Index

Click The Page Number After Any Part Desciption To Veiw The Diagram Containing That Part.

AAir filter.....7Arm pin.....5

BBall bearing 6201.....8Bracket, air filter.....7

CC.D, Ignition module.....8Cap ass'y, fuel tank.....7Cap ass'y, oil tank.....8Cap, fuel tank.....7Cap, oil tank.....8Cap, spark plug.....8Carb body.....5Carburetor ass'y.....5, 7Check valve.....7Choke rod.....7Choke shutter.....7Circlip 32.....8Circlip, piston pin.....8Clamp.....9Clip.....5Clutch ass'y.....7Clutch Drum.....7Coil spring.....5, 7Coil spring, plug cap.....8Cover ass'y, air cleaner.....7Cover tube.....8Cover, air cleaner.....7Cover, diaphragm.....5Cover, guide bar.....7Crankcase set.....8Crankshaft ass'y.....8Cushion.....7Cylinder.....8Cylinder and plunger.....7

DDecal.....7, 9Decal ECHO.....7Diaphragm.....5Diaphragm, fuel pump.....5Disc.....5

EE-ring 3.....7

FFan cover.....9Felt.....8Flange nut 6.....7Flywheel.....8Front handle.....9Fuel pipe.....7Fuel strainer.....7Fuel tank.....7

GGasket.....7Gasket, Crankcase.....8

Gasket, cylinder base.....8Gasket, Diagram Kit.....5Gasket, diaphragm.....5Gasket, fuel pump.....5Gasket, fuel tank.....7Gasket, muffler.....8Grip, handle.....7Grommet.....7, 8Guide Bar.....7

IIgnition coil.....8Insulator.....7

KKnock pin.....8

LLocknut 5.....8

MMuffler.....8Muffler lid.....8

NNeedle bearing.....7Needle valve.....5Needle, high speed.....5Needle, idle.....5Nut 8.....9

OOil pipe.....8Oil seal.....8Oil strainer.....8Oiler Asy......7Orifice, main fuel.....5O-ring.....7O-ring 16.....8

PPiston kit.....8Piston ring.....8Plug.....7Pump cover.....5

RRatchet.....9Recoil drum.....9Recoil starter ass'y.....9Repair Kit.....5Return spring, ratchet.....9Return spring, throttle.....5Rewind spring.....9Rope.....9Rope guide.....9

SSafety lock.....7Saw Chain.....7Screen.....5, 8Screw.....5, 7, 9

Screw 4x10 w/SW.....9Screw 4x10 w/W, SW.....7Screw 4x16 w/W, SW.....8Screw 4x18 w/W, SW.....7Screw 4x25 w/W, SW.....9Screw 4x30 w/W, SW.....8Screw 5x20 w/W. SW.....8Screw 5x22 w/W, SW.....8Screw 5x50 w/W, SW.....7Screw, idle adjustment.....5Seal.....8Seal plate.....8See Ref No. 95.....8Slit pin 2x15.....8Snap ring.....7Spacer.....7, 8, 9Spark plug.....8Spring clutch.....8Spring pin 5x18.....7Spring pin 5x25.....7Spring washer 8.....8Spring, safety lock.....7Starter handle.....9Stud bolt.....7, 8Switch.....9

TThrottle lever.....5Throttle rod.....7Throttle shaft.....5Throttle shutter.....5Throttle trigger.....7Thumb bolt.....7Top handle.....7

VValve arm.....5

WWasher.....7, 9Washer 2.....8Washer 5.....8Washer 8.....8Woodruff key.....8Wrench w/s, driver.....9Wrist pin.....8

99922203922_A - 11 - REVISED 01/23/07

Table of Contents Part Number Index

Part Description Index

ECHO, INCORPORATED400 Oakwood Road

Lake Zurich, IL 60047 USA

WWW.ECHO-USA.COM