Echo EDR-2400 User Manual
1
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.
For further information about the engine to service
these models, please refer to ECHO SERVICE
MANUAL Ord. No. 402-18.
ENGINE DRILL
EDR-2100 EDR-2100/1E
EDR-2400 EDR-2400/1E
Reference No. 19-21A-02
REVISED: 199807
SERVICE DATA
1
19-21A-02
CONTENTS
page
1 SERVICE INFORMATION ............................ 2
1-1 Specifications ............................................ 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 SERVICE HINT ............................................. 7
2-1 Transmission construction ........................ 7
2-2 Clutch function .......................................... 8
ISSUED: 199609
EDR-2100 EDR-2400
Remarks:
Please use this revised edition (Reference No. 19-21A-02)
and discard all previous issues.
INDEX
1 SERVICE INFORMATION
1-1 Specifications
Models EDR-2100 EDR-2100/1E EDR-2400 EDR-2400/1E
Dimensions Length mm(in) 430 (16.9) 430 (16.9)
Width mm(in) 320 (12.6) 320 (12.6)
Height mm(in) 255 (10.0) 255 (10.0)
Dry weight (without drill) kg(lb) 4.6 (10.1) 4.7 (10.3)
Engine Type KIORITZ, air-cooled, two-stroke, single cylinder
Rotation Counterclockwise as viewed from the output end
Displacement cm
3
(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 6.5 6.3
Carburetor Type
Walbro diaphragm, horizontal-draught, with primer (purge pump)
Model WYL-23 WYL-53 WYL-56
Venturi size-Throttle bore mm(in) 9.0 - 9.0 (0.354 - 0.354)
Ignition Type CDI (Capacitor discharge ignition) system
in a single integrated piece
Spark plug BPM7Y, RCJ-8Y BPM7Y, BPMR7A
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 (Refer to Operator's manual.)
Tank capacity cm
3
(U.S.fl.oz.) 420 (14.2)
Clutch Type Centrifugal, 2-shoe slide
Handle Type Front Bar with rubber grip
Rear Rubber grip with throttle trigger
Transmission
Reduction ratio 17.1 (Regular)
18.6 (Reverse)
Gear tooth Spur
Lubrication Grease
Chucking capacity(dia. max)
mm(in) 13.0 (0.51)
Drill Maximum diameter mm(in) 30.0 (1.18)
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SERVICE INFORMATION
EDR-2100 EDR-2100/
1E
EDR-2400 EDR-2400/
1E
1-2 Technical data
Models EDR-2100 EDR-2100/1E EDR-2400 EDR-2400/1E
Engine
Idling speed rpm 2500 - 3500
Engine speed at maximum power rpm 7000
Maximum speed rpm 9000
Clutch-in speed rpm 4000
Compression pressure kgf/cm
2
(psi) 9.5 (135) 8.5 (120)
Carburetor
Main jet #37 #38
Metering needle initial setting turns in 12* - - - - - Test pressure, minimum kgf/cm
2
(psi) 0.5 (7.0)
Metering lever height mm(in) 1.5 (0.06) lower than diaphragm seat
Ignition system
Spark plug gap mm(in) 0.6 - 0.7 (0.024 - 0.028)
Minimum secondary voltage
at 1000 rpm
kV 15
Secondary coil resistance kΩ 1.0 - 2.0
Pole shoe air gaps mm(in) 0.3 - 0.4 (0.012 - 0.016)
Ignition timing °BTDC ( 33 ) 28 28
* Screw in metering needle from initial threads engagement.
BTDC: Before top dead center.
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EDR-2100 EDR-2100/
1E
EDR-2400 EDR-2400/
1E
SERVICE INFORMATION
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