Echo SRM-310 Parts Catalog

OPTIONAL ATTACHMENTS & A CCESSORIES

Accessories

35130407530 U-Handle Kit
99944200200 SRM Shoulder Harness Kit
99944200411 20mm Blade Conversion Kit
99944200415 Universal Blade Conversion Kit
99944200451 U-Handle_Blade Conversion Combo Kit
99944200455 Barrier Bar
99944200561 U-Handle_Blade Conversion Combo Kit
99944200661 U-Handle Kit
SRAC-200 Tiller/Cultivator Attachment

Cutting Heads

215511 Pro Maxi-Cut Head
21560031 SRM ECHOmatic Pro Head
21560050 Semi-Auto Head Assembly
21560056 2-Line Rapid Loader Head -- Echo
21560060 SRM Manual Dual Line Head
99944200220 Heavy Duty Fixed Line Head
99944200221 3-Line Rapid Loader Head -- Echo
99944200250 SRM ECHOmatic II Head
99944200900 U-Turn Head

PARTS CATALOG

SRM-310 Trimmer

30.5cc

MODEL:SERIAL NUMBERS

SRM-310: S/N: 03001001 - 03999999

RePower Maintenance Kits

90075 Tune-Up Kit

RePower Repair Kits

90099 Fuel System Kit

ECHO, INCORPORATED

400 Oakwood Road Lake Zurich, Illinois 60047 USA

©2010 ECHO Incorporated, RePower is Registered Trademark of ECHO Incorporated. All Rights Reserved REVISED 02/01/10

WWW.ECHO-USA.COM

99922203416_310/03

Table of Contents Part Number Index

Table of Contents

Click Any Diagram Description Below To View That Diagram.

SRM-310 S/N: 03001001 - 03999999

Carburetor -- WYJ-275.....................................................................................................................................................4

Control Handle,Throttle Cable, Ignition Switch............................................................................................................6

Engine Cover, Fan Case, Clutch.....................................................................................................................................8

Engine, Short Block -- SB1064.....................................................................................................................................10

Exhaust...........................................................................................................................................................................12

Front Handle..................................................................................................................................................................14

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

Gasket Kit -- P021003243..............................................................................................................................................18

Gear Case.......................................................................................................................................................................20

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

Intake..............................................................................................................................................................................24

Labels.............................................................................................................................................................................26

Main Pipe Assembly, Flexible Driveshaft....................................................................................................................28

Metal Shield....................................................................................................................................................................30

Plastic Shield.................................................................................................................................................................32

Shoulder Harness..........................................................................................................................................................34

Starter.............................................................................................................................................................................36

Tools...............................................................................................................................................................................38

Part Number Index.........................................................................................................................................................40

Part Description Index..................................................................................................................................................41

99922203416_310/03 - 2 - REVISED 02/01/10

This Page Intentionally Left Blank

- 3 -

Table of Contents Part Number Index

SRM-310 Trimmer Carburetor -- WYJ-275

99922203416_310/03 - 4 - REVISED 02/01/10

Table of Contents Part Number Index

SRM-310 Trimmer Carburetor -- WYJ-275

REMARKSDESCRIPTIONQTYPART NUMBERITEM

CARBURETOR -- WYJ-2751A021000320

1------------------1

THROTTLE VALVE ASY
BRACKET, CABLE1P0030001802
SCREW, CABLE BRACKET2123114406303
SCREW, IDLE ADJUST1123134400304
SWIVEL1123172451305
WASHER1123149542306
CLIP1123173079307

1------------------8

BODY, CARBURETOR
O-RING1123183059609
JET1P00300026010

SCREEN, INLET1------------------12
SPRING, METERING LEVER11231220556013
VALVE, INLET NEEDLE1------------------14
LEVER, METERING1------------------15
PIN, METERING LEVER11231380393016
SCREW, METERING LEVER PIN11231390556017
BODY, AIR PURGE11231800556018
BULB, PURGE11231814063019
COVER, PURGE PUMP11231420556020
SCREW, PURGE COVER41231100556021

PACKING, RING1------------------23
GASKET, PUMP1------------------24
DIAPHRAGM, PUMP1------------------25
SCREEN, INLET1------------------26
VALVE, INLET NEEDLE1------------------27
LEVER, METERING1------------------28
GASKET, METERING DIAPHRAGM1------------------29
METERING, DIAPHRAGM1------------------30

PACKING, RING1------------------32
GASKET, PUMP1------------------33
DIAPHRAGM, PUMP1------------------34
GASKET, METERING DIAPHRAGM1------------------35
METERING, DIAPHRAGM1------------------36

1

1

INCLUDES ITEMS 12-17PUMP BODY ASY11231790556011

INCLUDES ITEMS 23-30REPAIR KIT1P00300019022

INCLUDES ITEMS 32-36GASKET/DIAPHRAGM KIT1P00300020031

1: NOT AVAILABLE SEPARATELY

99922203416_310/03 - 5 - REVISED 02/01/10

Footnotes

Table of Contents Part Number Index

SRM-310 Trimmer Control Handle,Throttle Cable, Ignition Switch

99922203416_310/03 - 6 - REVISED 02/01/10

Table of Contents Part Number Index

SRM-310 Trimmer Control Handle,Throttle Cable, Ignition Switch

REMARKSDESCRIPTIONQTYPART NUMBERITEM

INCLUDES ITEMS 2-3CLAMP KIT1610272521301
SCREW 5X281900242050282
NUT 51900500000053
GRIP, HANDLE1351213521304

INCLUDES ITEMS 6-8CONTROL HANDLE KIT1178003521305
SCREW 5X351900242050356
SCREW 5X251900242050257
NUT 52900500000058

INCLUDES ITEM 10CLAMP KIT1301200294309
SCREW 5X1419002420501410
NUT 629005020000611
TUBE, VINYL11781275103012
CABLE, THROTTLE1V43000014013
TRIGGER, THROTTLE11780105213014
SPRING, THROTTLE RETURN11780434223015
LEVER, TRIGGER LOCKOUT11780905263216
LOCKOUT, THROTTLE11780125273017
SPRING, THROTTLE LOCKOUT11780135263018

INCLUDES ITEMS 20-22IGNITION SWITCH ASY1A44000028019
SCREW 3X101915450301020
KNOB, SWITCH - ORANGE11634104923121
COVER, SWITCH - STOP18901571233022

INCLUDES ITEM 24HARNESS HANGER KIT1C64600006023
BOLT 5X1219001000501224

99922203416_310/03 - 7 - REVISED 02/01/10

Table of Contents Part Number Index

SRM-310 Trimmer Engine Cover, Fan Case, Clutch

99922203416_310/03 - 8 - REVISED 02/01/10

Table of Contents Part Number Index

SRM-310 Trimmer Engine Cover, Fan Case, Clutch

REMARKSDESCRIPTIONQTYPART NUMBERITEM
SCREW 5X121900162050121

INCLUDES ITEM 3HOLDER KIT1610903554302
SCREW 5X252900162050253
CUSHION1610910557304
SCREW 5X143900106050145
COVER, MUFFLER1A3200001006
SCREW 5X121900106050127
COLLAR 51V3530000208
SCREW 4X142900238040149
GUARD, TOP1A16200003010
SCREW 5X1219001060501211
COVER, ENGINE -- GRAY1A16000037012
SCREW 5X2029001620502013
SCREW 5X1229001620501214
STAND13051105583015
BRACKET, FUEL TANK11319105543016
CUSHION, FUEL TANK41319205543017
SCREW 5X2049001620502018
COVER, FAN1A17200021019
CIRCLIP 1219007010001220
BEARING, BALL - 600129008079600121
CIRCLIP 2819007020002822
DRUM, CLUTCH11750055573023
BOLT, CLUTCH21750464643024
WASHER21750480553025
SPRING, CLUTCH11750182793226
SHOE, CLUTCH21750094643127

99922203416_310/03 - 9 - REVISED 02/01/10

Table of Contents Part Number Index

SRM-310 Trimmer Engine, Short Block -- SB1064

99922203416_310/03 - 10 - REVISED 02/01/10

Table of Contents Part Number Index

SRM-310 Trimmer Engine, Short Block -- SB1064

REMARKSDESCRIPTIONQTYPART NUMBERITEM

INCLUDES ITEMS 2-20SHORT BLOCK1SB10641
SCREW 5X204900162050202
CYLINDER1A1300002603

1101010554304

GASKET, CYLINDER

RING, PISTON2100011161316
PIN, PISTON1100013274307
CIRCLIP, PISTON PIN2100015039318
SPACER, PISTON PIN2100014536309
BEARING, NEEDLE11000121613110
CRANKSHAFT ASY11001005543011

OIL SEAL21002130553013
DOWEL PIN41002150393014
BEARING, BALL - 62012940353620115

11002425543016

GASKET, CRANKCASE
SCREW 5X3049001620503017

1------------------18

SHIELD, EXHAUST

1------------------19

GASKET, INTAKE

2------------------20

GASKET, INTAKE

1

INCLUDES ITEMS 6-10PISTON KIT1P0210030805

INCLUDES ITEMS 13-17CRANKCASE KIT11002045543012

1

2
3
3

1: Also Included In GASKET KIT
2: See Pages EXHAUST
3: See Pages INTAKE

Footnotes

99922203416_310/03 - 11 - REVISED 02/01/10

Table of Contents Part Number Index

SRM-310 Trimmer Exhaust

99922203416_310/03 - 12 - REVISED 02/01/10

Table of Contents Part Number Index

SRM-310 Trimmer Exhaust

REMARKSDESCRIPTIONQTYPART NUMBERITEM
SCREW 5X143900106050141
COVER, MUFFLER1A3200001002
SCREW 4X143900242040143
GUIDE, EXHAUST1A3130003304

1V1040003405
1V1040005206

1V10400027012

1: Also Included In GASKET KIT

GASKET, EXHAUST
GASKET, EXHAUST

SCREEN, MUFFLER1145862406307
SCREW 5X602900105050608
WASHER 52900600000059
SCREW 5X1219001620501210
MUFFLER1A30000027011

SHIELD, MUFFLER

1
1

1

Footnotes

99922203416_310/03 - 13 - REVISED 02/01/10

Table of Contents Part Number Index

SRM-310 Trimmer Front Handle

99922203416_310/03 - 14 - REVISED 02/01/10