Echo ES-2100 User Manual

ES-2100, ES-240021-21G-00

INDEX

1

2

INTRODUCTION

We are constantly working on technical
improvement of our products. For this reason,
technical data, equipment and design are
subject to change without notice. All
specifications, illustrations and directions in
this SERVICE DATA are based on the latest
products information available at the time of
publication.
ECHO SERVICE MANUAL Ord. 403-11
(Model : PB-2100, PB-2110, ES-2100, ES-

2400) contains lots of information for servicing
this model.

CONTENTS

page

1 SERVICE INFORMATION .............................2

1-1 Specification...............................................2

1-2 Technical data ............................................3

1-3 Torque limits ............................................... 4

1-4 Special repairing materials.........................4

1-5 Service limits .............................................. 5

1-6 Special tools...............................................6

2 EMISSION ADJUSTMENT GUIDE ...............7

2-1 General adjusting rules .............................. 7

2-2 Presetting idle adjust screw, L mixture needle

and H mixture needle....................................... 7

2-3 Adjusting carburettor.................................. 8

Reference No. 21-21G-00

ISSUED: 200411

ES-2100

2

1 SERVICE INFORMATION

1-1 Specifications

Model ES-2100 ES-2400

Dimensions Length* mm(in) 285 (11.1) 285 (11.3)

Width mm(in) 330 (12.7) 330 (12.9)

Height mm(in) 340 (13.4) 340 (13.4)
Dry weight kg(lb) 4.4(9.7)**, 5.5 (12.1)***
Engine Type KIORITZ, air-cooled, two-stroke, single cylinder

Rotation Anticlockwise as viewed from the output end

Displacement cm3(in3) 21.2 (1.294) 23.6 (1.440)

Bore mm(in) 32.2 (1.268) 34.0 (1.339)

Stroke mm(in) 26.0 (1.024) 26.0 (1.024)

Compression ratio 7.0 6.3
Carburettor Type Diaphragm horizontal-draught with primer (purge bulb)

Model ZAMA C1U-K43B ZAMA C1U-K44B

Venturi size-Throttle bore mm(in) 7 - 14 (0.276 - 0.551) 8 - 14 (0.315 - 0.551)
Ignition Type CDI (Capacitor discharge ignition) system

Spark plug RCJ-7Y
Starter Type Automatic rewind

Rope diameter x length mm(in) 3.0 x 1000 (0.12 x 39.4)
Fuel Type Premixed two-stroke fuel

Mixture ratio 50 : 1 (2 %)

Petrol Minimum 89 octane petrol (RON)

Two-stroke air cooled engine oil ISO-L-EGD (ISO/CD13738), JASO FC

Tank capacity L (U.S.fl.oz.) 0.5 (16.9)
Handle Type Rear Grip Rubber Grip
Blower Fan type Centrifugal, single stage

Max. air volume (with pipes)

Max. air velocity (with pipes)

Blower pipe length mm (in) Straight 425 (16.73)

Blower nozzle size, (inner) mm (in) 117 x 26 (4.6 x 1.02) oval shape

Fan head nozzle Standard
Vacuum Shredding knife with

Vacuum pipe ID x L mm(in) 110 x 880 (4.33 x 34.65)

Dust bag capacity liter(ft3) 60 (2.1)

Volume reduction ratio(Leaves) 12
* Without blower pipes
** With fan head nozzle
*** With all blower pipes and suction pipe

SERVICE INFORMATION

m3/min (ft3/min) 7.0 (247.2)** 7.6 (268.4)**

m/s (mph) 65 (145)** 64 (143)**

mm (in) Fan head nozzle 420 (16.54)

ES-2400

ES-2100
ES-2400

1-2 Technical data

Model ES-2100 ES-2400

Engines

Idling speed r/min 2400 - 3200
Wide open throttle speed* r/min 6900 - 8100 7500 - 8800
Compression pressure MPa (kgf/cm2) (psi) 0.72 (7.4) (105) 0.69 (7.0) (100)

Ignition system

Spark plug gap mm(in) 0.6 - 0.7 (0.024 - 0.028)
Minimum secondary voltage at 1500 r/min kV 16
Secondary coil resistance kΩ 1.2 - 1.8
Pole shoe air gaps mm(in) 0.3 - 0.4 (0.012 - 0.016)
Ignition timing °BTDC 28

Carburettor

Idle adjust screw initial setting turn in** 1 3/8 2 1/2
L mixture needle initial setting turn back 1 1/2 1 1/2
H mixture needle initial setting turn back 1 1/2 1 3/4
Test Pressure, minimum MPa (kgf/cm2) (psi) 0.05 (0.5) (7.0)
Metering lever height mm(in) 0.1 - 0.25 (0.004-0.010) lower than diaphragm seat

SERVICE INFORMATION

3

BTDC: Before top dead centre.
* With all blower pipes.

** Set idle adjust screw to contact throttle plate before initial setting.