Echo SRM-231 Parts Catalog

OPTIONAL ATTACHMENTS & A CCESSORIES

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-231 Trimmer

22.8cc

MODEL:SERIAL NUMBERS

SRM-231: S/N: 06001001 - 06999999

©2011 ECHO Incorporated, RePower is Registered Trademark of ECHO Incorporated. All Rights Reserved REVISED 10/19/11

ECHO, INCORPORATED

400 Oakwood Road Lake Zurich, Illinois 60047 USA

WWW.ECHO-USA.COM

99922203528_231/06

Table of Contents Part Number Index

Table of Contents

Click Any Diagram Description Below To View That 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

This Page Intentionally Left Blank

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

Table of Contents Part Number Index

SRM-231 Trimmer Engine Cover, Exhaust Cover

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

Table of Contents Part Number Index

SRM-231 Trimmer Engine Cover, Exhaust Cover

REMARKSDESCRIPTIONQTYPART NUMBERITEM
SCREW - 5X16191110050161
GUARD, TOP1A1620000002
COLLAR - 51V3530000203
COVER, ENGINE - GRAY1A1600000404
COVER, ENGINE - ORANGE1A1600000605
SCREW - 5X122900106050126
COVER, EXHAUST1A3200000037

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

Table of Contents Part Number Index

SRM-231 Trimmer Intake

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

Table of Contents Part Number Index

SRM-231 Trimmer Intake

REMARKSDESCRIPTIONQTYPART NUMBERITEM
THUMBSCREW1210417527301
COVER, AIR CLEANER - GRAY1130313065632
COVER, AIR CLEANER - BLACK1130313058633

1A2260014104

FILTER, AIR - DOUBLE LAYER

1130310541305

FILTER, AIR - SINGLE LAYER
SCREW - 5X602900242050606
PLATE, PREVENT1129011527307
CASE, AIR CLEANER - GRAY1P0210009918
CASE, AIR CLEANER - BLACK1P0210044809

1------------------10

CARBURETOR

11300101341011

GASKET, INTAKE
SCREW - 5X2529001620502512
INSULATOR, INTAKE11300175643113

11300105593014

GASKET, INTAKE

1: Included In RePower TUNE-UP KIT
2: OPTIONAL
3: See Carburetor Diagrams For Details
4: Also Included In GASKET KIT
5: Included In GASKET KIT

3

4

5

1

2

Footnotes

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

Table of Contents Part Number Index

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

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

Table of Contents Part Number Index

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

REMARKSDESCRIPTIONQTYPART NUMBERITEM
CARBURETOR -- RB-K66B1A021000382
ROTOR COVER ASY1P0050006901
NUT1P0050001202
SCREW3125344139313
SCREW, CABLE ADJUST1P0050007004
SWIVEL1P0050001805
RING, RETAINING1P0050001906
SCREW, IDLE ADJUST1P0050001007
O-RING1P0050002808

1------------------9

BODY, CARBURETOR
PLUG KIT1P00500037010
JET1P00500057011
BASE, PURGE1P00500093012
SCREW, PURGE BASE1P00500027013
BULB, PURGE11253810866014
RETAINER, PURGE BULB1P00500025015
SCREW, PURGE BULB RETAINER41253106183016
COVER, DIAPHRAGM11253425213017
SCREW21253445213018
SCREW, METERING LEVER PIN11253394203019

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

DIAPHRAGM, PUMP1------------------32
GASKET, PUMP1------------------33
GASKET, DIAPHRAGM1------------------34
DIAPHRAGM, METERING1------------------35

1

INCLUDES ITEMS 21-30REPAIR KIT1P00500095020

INCLUDES ITEMS 32-35DIAPHRAGM/GASKET KIT1P00500055031

1: NOT AVAILABLE SEPARATELY

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

Footnotes

Table of Contents Part Number Index

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

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

Table of Contents Part Number Index

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

REMARKSDESCRIPTIONQTYPART NUMBERITEM
CARBURETOR -- RB-K701A021000720
ROTOR COVER ASY1P0050012301
NUT1P0050001202
SCREW3125344139313
SCREW, CABLE ADJUST1P0050007004
SWIVEL1P0050012405
RING, RETAINING1P0050001906
SCREW, IDLE ADJUST1P0050001007
O-RING1P0050002808

1------------------9

BODY, CARBURETOR
CAP, 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

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

DIAPHRAGM, PUMP1------------------32
GASKET, PUMP1------------------33
GASKET, DIAPHRAGM1------------------34
DIAPHRAGM, METERING1------------------35

1

INCLUDES ITEMS 21-30REPAIR KIT1P00500095020

INCLUDES ITEMS 32-35DIAPHRAGM/GASKET KIT1P00500055031

1: NOT AVAILABLE SEPARATELY

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

Footnotes

Table of Contents Part Number Index

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

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

Table of Contents Part Number Index

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

REMARKSDESCRIPTIONQTYPART NUMBERITEM
CARBURETOR -- RB-K70A1A021000721
SCREW3125344139311
SCREW1125344521302
SCREW, CABLE ADJUST1P0050013303
RING, RETAINING1P0050001904
SWIVEL1P0050012405
SCREW, IDLE ADJUST1P0050001006
ROTOR COVER ASY1P0050016207
O-RING1P0050002808
SCREW, PURGE BULB RETAINER4125310618309
RETAINER, 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

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

BODY, CARBURETOR

1

1: NOT AVAILABLE SEPARATELY

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

Footnotes