Echo Srm-231 Instruction Manual

OPTIONAL ATTACHMENTS & ACCESSORIES

Accessories

35130454230 U-Handle Kit

99944200200 SRM Shoulder Harness Kit

99944200411 20mm Blade Conversion Kit

99944200415 Universal Blade Conversion Kit

99944200455 Barrier Bar

99944200521 U-Handle_Blade Conversion Combo Kit

SRAC-200 Tiller/Cultivator Attachment

Cutting Heads

215511 Pro Maxi-Cut Head

21560030 ECHOmatic Pro Head

21560031 SRM ECHOmatic Pro Head

21560050 SRM ECHOmatic Head

21560055 Semi-Auto Head Assembly

21560056 2-Line Rapid Loader Trimmer Head

21560060 SRM Manual Dual Line Head

99944200230 Semi-Auto Dual Line Head

99944200900 U-Turn Head

Maintenance and RePower Kits

90008 Filter Kit

90010 RePower Cap &Vent Kit

90074 RePower Tune-Up Kit

90104 RePower Fuel System Kit

P021003900 Gasket Kit

PARTS CATALOG

SRM-231Trimmer

22.8cc

MODEL:SERIAL NUMBERS

SRM-231: S/N: 06001001 - 06999999

ECHO, INCORPORATED

400 Oakwood Road Lake Zurich, Illinois 60047 USA

WWW.ECHO-USA.COM

99922203528_231/06

Click Any Diagram Description BelowTo ViewThat Diagram.

SRM-231 S/N: 06001001 - 06999999

Engine Cover, Exhaust Cover.........................................................................................................................................4

Intake................................................................................................................................................................................6

Carburetor -- RB-K66B S/N: 06001001 - 06011856........................................................................................................8

Carburetor -- RB-K70 S/N: 06011857 - 06015096........................................................................................................10

Carburetor -- RB-K70A S/N: 06015097 - 06999999......................................................................................................12

Exhaust...........................................................................................................................................................................14

Fuel System...................................................................................................................................................................16

Fan Case, Clutch -- GRAY MODELS.............................................................................................................................18

Starter -- Standard.........................................................................................................................................................20

Ignition............................................................................................................................................................................22

Engine, Short Block -- SB1061.....................................................................................................................................24

Debris Shield - Plastic...................................................................................................................................................26

Gear Case.......................................................................................................................................................................28

Front Handle..................................................................................................................................................................30

Control Handle,Throttle Cable, Ignition Switch..........................................................................................................32

Main Pipe Assembly, Driveshaft...................................................................................................................................34

Labels.............................................................................................................................................................................36

Part Number Index.........................................................................................................................................................38

Part Description Index..................................................................................................................................................39

99922203528_231/06 - 2 - REVISED 10/19/11

Table of Contents Part Number Index

Table of Contents

This Page Intentionally Left Blank

99922203528_231/06 - 3 - REVISED 10/19/11

99922203528_231/06 - 4 - REVISED 10/19/11

Table of Contents Part Number Index

SRM-231Trimmer Engine Cover, Exhaust Cover

REMARKSDESCRIPTIONQTYPART NUMBERITEM SCREW - 5X16191110050161GUARD, TOP1A1620000002COLLAR - 51V3530000203COVER, ENGINE - GRAY1A1600000404COVER, ENGINE - ORANGE1A1600000605SCREW - 5X122900106050126COVER, EXHAUST1A3200000037

99922203528_231/06 - 5 - REVISED 10/19/11

Table of Contents Part Number Index

SRM-231Trimmer Engine Cover, Exhaust Cover

99922203528_231/06 - 6 - REVISED 10/19/11

Table of Contents Part Number Index

SRM-231Trimmer Intake

REMARKSDESCRIPTIONQTYPART NUMBERITEM THUMBSCREW1210417527301COVER, AIR CLEANER - GRAY1130313065632COVER, AIR CLEANER - BLACK1130313058633FILTER, AIR - DOUBLE LAYER1

1A2260014104FILTER, AIR - SINGLE LAYER2

1130310541305SCREW - 5X602900242050606PLATE, PREVENT1129011527307CASE, AIR CLEANER - GRAY1P0210009918CASE, AIR CLEANER - BLACK1P0210044809CARBURETOR3

1------------------10 GASKET, INTAKE4

11300101341011 SCREW - 5X2529001620502512 INSULATOR, INTAKE11300175643113 GASKET, INTAKE5

11300105593014

Footnotes

1: Included In RePowerTUNE-UP KIT

2: OPTIONAL

3: See Carburetor Diagrams For Details

4: Also Included In GASKET KIT

5: Included In GASKET KIT

99922203528_231/06 - 7 - REVISED 10/19/11

Table of Contents Part Number Index

SRM-231Trimmer Intake

99922203528_231/06 - 8 - REVISED 10/19/11

Table of Contents Part Number Index

SRM-231Trimmer Carburetor -- RB-K66B S/N: 06001001 - 06011856

REMARKSDESCRIPTIONQTYPART NUMBERITEM CARBURETOR -- RB-K66B1A021000382 ROTOR COVER ASY1P0050006901NUT1P0050001202SCREW3125344139313SCREW, CABLE ADJUST1P0050007004SWIVEL1P0050001805RING, RETAINING1P0050001906SCREW, IDLE ADJUST1P0050001007O-RING1P0050002808BODY, CARBURETOR1

1------------------9PLUG KIT1P00500037010 JET1P00500057011 BASE, PURGE1P00500093012 SCREW, PURGE BASE1P00500027013 BULB, PURGE11253810866014 RETAINER, PURGE BULB1P00500025015 SCREW, PURGE BULB RETAINER41253106183016 COVER, DIAPHRAGM11253425213017 SCREW21253445213018 SCREW, METERING LEVER PIN11253394203019 INCLUDES ITEMS 21-30REPAIR KIT1P00500095020 GUIDE, ROLLER1P00500100021 PIN, METERING LEVER1------------------22 VALVE, INLET NEEDLE1------------------23 LEVER, METERING1------------------24 SPRING, METERING LEVER1------------------25 STRAINER1------------------26 DIAPHRAGM, PUMP1------------------27 GASKET, PUMP1------------------28 GASKET, DIAPHRAGM1------------------29 DIAPHRAGM, METERING1------------------30 INCLUDES ITEMS 32-35DIAPHRAGM/GASKET KIT1P00500055031 DIAPHRAGM, PUMP1------------------32 GASKET, PUMP1------------------33 GASKET, DIAPHRAGM1------------------34 DIAPHRAGM, METERING1------------------35

Footnotes

1: NOT AVAILABLE SEPARATELY

99922203528_231/06 - 9 - REVISED 10/19/11

Table of Contents Part Number Index

SRM-231Trimmer Carburetor -- RB-K66B S/N: 06001001 - 06011856

99922203528_231/06 - 10 - REVISED 10/19/11

Table of Contents Part Number Index

SRM-231Trimmer Carburetor -- RB-K70 S/N: 06011857 - 06015096

REMARKSDESCRIPTIONQTYPART NUMBERITEM CARBURETOR -- RB-K701A021000720 ROTOR COVER ASY1P0050012301NUT1P0050001202SCREW3125344139313SCREW, CABLE ADJUST1P0050007004SWIVEL1P0050012405RING, RETAINING1P0050001906SCREW, IDLE ADJUST1P0050001007O-RING1P0050002808BODY, CARBURETOR1

1------------------9CAP, LIMITER1P00500127010 NEEDLE - HIGH SPEED1P00500126011 BASE, PURGE1P00500093012 SCREW, PURGE BASE1P00500027013 BULB, PURGE11253810866014 RETAINER, PURGE BULB1P00500025015 SCREW, PURGE BULB RETAINER41253106183016 COVER, DIAPHRAGM11253425213017 SCREW21253445213018 SCREW, METERING LEVER PIN11253394203019 INCLUDES ITEMS 21-30REPAIR KIT1P00500095020 GUIDE, ROLLER1P00500100021 PIN, METERING LEVER1------------------22 VALVE, INLET NEEDLE1------------------23 LEVER, METERING1------------------24 SPRING1------------------25 STRAINER1------------------26 DIAPHRAGM, PUMP1------------------27 GASKET, PUMP1------------------28 GASKET, DIAPHRAGM1------------------29 DIAPHRAGM, METERING1------------------30 INCLUDES ITEMS 32-35DIAPHRAGM/GASKET KIT1P00500055031 DIAPHRAGM, PUMP1------------------32 GASKET, PUMP1------------------33 GASKET, DIAPHRAGM1------------------34 DIAPHRAGM, METERING1------------------35

Footnotes

1: NOT AVAILABLE SEPARATELY

99922203528_231/06 - 11 - REVISED 10/19/11

Table of Contents Part Number Index

SRM-231Trimmer Carburetor -- RB-K70 S/N: 06011857 - 06015096

99922203528_231/06 - 12 - REVISED 10/19/11

Table of Contents Part Number Index

SRM-231Trimmer Carburetor -- RB-K70A S/N: 06015097 - 06999999

REMARKSDESCRIPTIONQTYPART NUMBERITEM CARBURETOR -- RB-K70A1A021000721 SCREW3125344139311SCREW1125344521302SCREW, CABLE ADJUST1P0050013303RING, RETAINING1P0050001904SWIVEL1P0050012405SCREW, IDLE ADJUST1P0050001006ROTOR COVER ASY1P0050016207O-RING1P0050002808SCREW, PURGE BULB RETAINER4125310618309RETAINER, PURGE BULB1P00500025010 BULB, PURGE11253810866011 SCREW, PURGE BASE1P00500027012 BASE, PURGE1P00500093013 CAP, LIMITER1P00500127014 NEEDLE - HIGH SPEED1P00500126015 SCREW21253445213016 COVER, DIAPHRAGM11253425213017 SCREW, METERING LEVER PIN11253394203018 INCLUDES ITEMS 21-29REPAIR KIT1P00500095019 GUIDE, ROLLER1P00500100020 GASKET, PUMP1------------------21 DIAPHRAGM, PUMP1------------------22 STRAINER1------------------23 SPRING, METERING LEVER1------------------24 VALVE, INLET NEEDLE1------------------25 PIN, METERING LEVER1------------------26 LEVER, METERING1------------------27 GASKET, DIAPHRAGM1------------------28 DIAPHRAGM, METERING1------------------29 INCLUDES ITEMS 31-34DIAPHRAGM/GASKET KIT1P00500055030 GASKET, PUMP1------------------31 GASKET, DIAPHRAGM1------------------33 DIAPHRAGM, PUMP1------------------32 DIAPHRAGM, METERING1------------------34 BODY, CARBURETOR1

1------------------35

Footnotes

1: NOT AVAILABLE SEPARATELY

99922203528_231/06 - 13 - REVISED 10/19/11

Table of Contents Part Number Index

SRM-231Trimmer Carburetor -- RB-K70A S/N: 06015097 - 06999999

99922203528_231/06 - 14 - REVISED 10/19/11

Table of Contents Part Number Index

SRM-231Trimmer Exhaust

REMARKSDESCRIPTIONQTYPART NUMBERITEM SCREW - 4X10591367040101GUIDE, EXHAUST1A3130001302GASKET, EXHAUST1V1040003603SCREEN, SPARK ARRESTER1145862406304SCREW - 5X552900105050555WASHER - CONICAL4V3470000006PLATE1V1500003717MUFFLER1A3000001418SHIELD, EXHAUST1

1V1040000619

Footnotes

1: Also Included In GASKET KIT

99922203528_231/06 - 15 - REVISED 10/19/11

Table of Contents Part Number Index

SRM-231Trimmer Exhaust

99922203528_231/06 - 16 - REVISED 10/19/11

Table of Contents Part Number Index

SRM-231Trimmer Fuel System

REMARKSDESCRIPTIONQTYPART NUMBERITEM Includes ITEMS 2-3CAP ASY - ORANGE1131004555301GASKET1131016558302CONNECTOR, CAP1131051560303SCREW - 5X201900244050204SCREW - 5X222900162050225GUARD, FUEL TANK1305110577336SCREW - 5X162900162050167WASHER - 52900603000058Includes ITEM 10TANK, FUEL1A3500001119SLEEVE21310452823010 CLIP21320132663011 FILTER, FUEL1

11312051983112 PIPE, FUEL - 3X6X1702

11320105203013 CLIP21320132663014 VENT ASY1A35600003015 PIPE - 3X6X1152

1V47100011016 PIPE, RETURN - 3X6X803

11320125603017 GROMMET11321155593018

Footnotes

1: Also Included In REPOWER TUNE-UP KIT

2: RePower BULK OPTION: 90015

3: RePower BULK OPTION: 90017

99922203528_231/06 - 17 - REVISED 10/19/11

Table of Contents Part Number Index

SRM-231Trimmer Fuel System

99922203528_231/06 - 18 - REVISED 10/19/11

Table of Contents Part Number Index

SRM-231Trimmer Fan Case, Clutch -- GRAY MODELS

REMARKSDESCRIPTIONQTYPART NUMBERITEM RING, RETAINING - 421900702000421SCREW - 5X281900162050282HOLDER, MAIN PIPE1610922559313SCREW - 5X182900162050184CLAMP1178111062305Includes ITEMS 7-12FAN CASE ASY - GRAY1P0210014106RING, RETAINING - 121900701000127DRUM, CLUTCH1A5560000308RING, RETAINING - 281900702000289BEARING, BALL - 600129008079600110 PIN, DOWEL2V62200002011 CASE, FAN - GRAY1A17200003012 BOLT, CLUTCH21750465603013 WASHER - SPRING21750495603014 WASHER - 621750480553015 SPRING, CLUTCH1V45100009016 SHOE, CLUTCH2A55300001017

99922203528_231/06 - 19 - REVISED 10/19/11

Table of Contents Part Number Index

SRM-231Trimmer Fan Case, Clutch -- GRAY MODELS