ENGINE DRILL
EDR-2400
TYPE1
WARNING DANGER
READ INSTRUCTIONS CAREFULLY AND
FOLLOW RULES FOR SAFE OPERATION.
FAILURE TO DO SO COULD RESULT IN
SERIOUS INJURY.
898611-21360
X750409-2501
17
INTRODUCTION
ECHO Engine Drill EDR-2400 is a lightweight,
high performance, two-stroke engined unit
designed for drilling.
This Manual provides the information
necessary for operation and maintenance.
SAFETY AND SPECIAL INFORMATION
WARNING DANGER
IMPROPER USE OR CARE OF THIS UNIT,
OR FAILURE TO WEAR PROPER
PROTECTION CAN RESULT IN SERIOUS
INJURY. READ AND UNDERSTAND THE
RULES FOR SAFE OPERATION AND ALL
INSTRUCTIONS IN THIS MANUAL.
THIS SYMBOL
ACCOMPANIED BY THE
WORDS WARNING AND
DANGER CALLES
ATTENTION TO AN ACT OR
CONDITION THAT CAN
LEAD TO SERIOUS
PERSONAL INJURY TO
OPERATOR AND
BYSTANDERS.
The circle with the slash
symbol means whatever is
shown within the circle is
prohibited.
IMPORTANT
The enclosed message provides
information necessary for the protection
of the unit.
NOTE
This enclosed message provides tips for
use, care and maintenance of the unit.
Throughout this manual and on the product
itself, you will find safety alters and helpful,
information messages preceded by symbols or
key words. The following is an explanation of
those symbols and key words and what they
mean to you.
CONTENTS
Introduction....................................................................................................................................... 1
Safety and Special Information......................................................................................................... 1
Safety ............................................................................................................................................... 2
Operating Techniques....................................................................................................................... 5
Description ....................................................................................................................................... 6
Assembling....................................................................................................................................... 7
Operation .......................................................................................................................................... 7
Maintenance and Care ...................................................................................................................... 10
Trouble shooting ............................................................................................................................... 11
Maintenance ..................................................................................................................................... 12
Storage ............................................................................................................................................. 15
Specifications ................................................................................................................................... 16
Specifications, descriptions and illustrative material in this literature are as accurate as known at the
time of publication. Illustrations may include optional equipment and accessories, and may not
include all standard equipment.
1
SAFETY
WARNING DANGER
ENGINE DRILL USERS RISK INJURY TO
THEMSELVES AND OTHERS IF THE
ENGINE DRILL IS USED IMPROPERLY,
AND/OR SAFETY PRECAUTIONS ARE
NOT FOLLOWED. PROPER CLOTHING
AND SAFETY GEAR MUST BE WORN
WHEN OPERATING ENGINE DRILL.
OPERATOR SAFETY
• Read this Engine drill Operator’s Manual
carefully. Be sure you understand how to
operate this unit properly before you use it.
• Be familiar with all the controls and the
proper use of the machine.
• Wear proper clothing to protect legs and
other exposed parts of your body.
• Wear non-skid sole shoes. Do not wear
open-toed shoes or operate unit while bare
footed.
• Wear eye and hearing protection devices.
WARNING DANGER
ALWAYS STOP THE ENGINE WHEN A
DRILL JAM OCCURS. DO NOT ATTEMPT
TO REMOVE AN OBJECT CAUSING A
DRILL JAM IF THE ENGINE IS RUNNING.
PHYSICAL INJURY CAN OCCUR IF A
DRILL JAM IS REMOVED AND THE
DRILLS START MOVING.
• Do all drilling at full throttle speed. Drilling
at less at than full speed can damage the
clutch by allowing it to slip.
WARNING DANGER
USE A FIRM GRIP WITH THUMBS AND
FINGERS ENCIRCLING THE HANDLES. A
FIRM GRIP WILL HELP YOU KEEP
CONTROL OF THE ENGINE DRILL.
NEVER OPERATE THE ENGINE DRILL
ONLY ONE HAND OR BODILY INJURY
CAN OCCUR.
• Always carry the engine drill with the
engine stopped and the HOT muffler away
from your body.
• Use caution when handling fuel. Put the
caps back tightly on both the fuel can and
the engine drill fuel tank.
Move at least 3 meters (10 feet) from the
re-fuelling point and be sure there is no
leakage of fuel from the fuel tank cap or the
fuel system before starting the engine.
• Operate this gasoline powered engine
equipment in a well-ventilated area only.
• Start the unit on the ground with the throttle
set at idle. Do not start if the drills are
obstructed by the ground or any other
object.
• Never allow children to use the machine.
• Do not allow anyone to hold the material
you are drilling.
• Keep a firm grip on the engine drill with both
hands, the right hand on the front handle,
the left hand on the rear handle.
PROTECTIVE EQUIPMENT
• Always wear eye protection goggles that
meet ANSI Z87.1 standards.
• Wear hearing protection.
ECHO recommends that hearing protection
be worn at all times.
• Dress properly! Do not wear loose clothing
or jewellery, they can be caught in moving
parts. Use of sturdy gloves, non-skid
footwear, and safety glasses is
recommended.
• While operating the machine always be
sure of a secure position.
2
• Wear non-slip, heavy-duty work gloves to
improve your grip on the engine drill
handles. The gloves also help reduce the
transmission of machine vibrations to your
hands.
PROTECTING OTHERS
Spectators, children, fellow workers and
animals must be warned to come no nearer
than 4.6 meters (15 feet) while the engine drill
is in use.
People working in the area near you should
wear the same protective equipment as the
operator.
PHYSICAL CONDITION
Your judgement and dexterity may be impaired
if you are ill or have taken alcohol or other
substances known to affect the way you would
normally function.
EXTENDED OPERATION/
EXTREME CONDITIONS
Vibration and Cold
It is believed that a condition called Raynaud’s
Phenomenon, which affects the fingers of
certain individuals may be brought about by
exposure to vibration and cold. Exposure to
vibration and cold may cause tingling and
burning sensations followed by loss of color
and numbness in the fingers. The following
precautions are strongly recommended
because the minimum exposure which might
trigger the ailment is unknown.
• Keep your body warm, especially the head,
neck, feet, ankles, hands and wrists.
• Maintain good blood circulation by
performing vigorous arm exercises during
frequent work breaks and also by not
smoking.
• Limit the hours of operation. Try to fill each
day with jobs where operating the engine
drill or other hand-held power equipment is
not required.
• If you experience discomfort, redness and
swelling of the fingers followed by whitening
and loss of feeling, consult your physician
before further exposing yourself to cold and
vibration.
3
Repetitive Stress Injuries
It is believed that overusing the muscles and
tendons of the fingers, hands, arms and
shoulders may cause soreness, swelling,
numbness, weakness and extreme pain in
those areas. Certain repetitive hand activites
may put you at a high risk for developing a
Repetitives Stress Injury (RSI). An extreme
RSI condition is Carpal Tunnel Syndrome
(CTS), which could occur when your wrist
swells and squeezes a vital nerve that runs
through the area. Some believe that prolonged
exposure to vibration may contribute to CTS.
CTS can cause severe pain for months or even
years. To reduce the risk of RSI/CTS, do the
following:
• Avoid using your wrist in a bent,extended or
twisted position. Instead try to maintain a
straight wrist position. Also, when grasping,
use your whole hand, not just the thumb
and index finger.
• Take periodic breaks to minimize repetition
and rest your hands.
• Reduce the speed and force with which you
do the repetitive movement.
• Do exercise to strengthen the hand and arm
muscles.
• See a doctor if you feel tingling, numbness
or pain in the fingers,hands, wrists or arms.
The sooner RSI/CTS is diagnosed, the
more likely permanent nerve and muscle
damage can be prevented.
4
OPERA TING TECHNIQUES
• When starting to drill, run the engine at full
throttle.
• When transporting or storing the machine
always remove the drill.
WARNING DANGER
BEFORE DRILLING, BE SURE TO READ
AND UNDERSTAND THE ENTIRE
OPERATOR’S MANUAL TO AVOID THE
CHANCE OF SERIOUS INJURY.
• Do not force the drills and only move as
quickly as the drills will allow.
• Stop the engine and disconnect from
ignition cable before: - cleaning or when
clearing a blockage; checking, maintenance
or working on the machine.
• Handle fuel with care; it is highly
flammable. Never add fuel to a machine
with a running or hot engine.
• Do not attempt to repair the machine unless
you are qualified to do so.
• Do not operate the machine with a
damaged or excessively worn cutting
device.
• To reduce fire hazard keep engine and
silencer free of debris, leaves or excessive
grease.
• Handle drill with care, contacting with drills
may cause injury.
• Always ensure all handles and guards are
fitted when using the machine. Never
attempt to use an incomplete machine or
one fitted with an unauthorised
modification.
5
DESCRIPTION
2
1
3
1 Operator’s manual - Included with unit.
Read before operation and keep for future
reference to learn proper, safe operating
techniques.
2. Throttle trigger - Device activated by the
operator’s finger, for controlling the engine
speed.
3. Rear handle - Handle located furthest from
the cutting device.
4. Silencer cover
5. Drill - Not included with unit.
4
5
15
7
6
8
11. Air cleaner cover - Covers and seals air
filter.
12. Starter handle - Pull handle to start the
engine.
13. Throttle trigger lock out - Device that
prevents the accidental operation of the
throttle trigger until manually released.
14. Ignition switch - Device for allowing the
engine to be started and stopped.
15. Spark plug
14
13
12
11
10
9
6. Chuck -
7. Shift lever -
8. Front handle - Handle located on the front
gear case.
9. Fuel tank - Contains fuel and fuel filter.
10. Fuel tank cap - Covers and seals fuel tank
6
Front handle
(Tighten three points evenly)
Chuck
ASSEMBLING
FRONT HANDLE
• Incert the front handle to the machine, and
DRILL BIT
• Insert the drill bit (not provided with unit)
Drill bit
turn clockwise.
(TIGHTEN THE SCREW FIRMLY)
until it reaches the bottom of the chuck,
then back it out slightly; tighten the chuck
laws evenly and completely.
IMPORTANT
Use drill bits suited for the material being
drilled and for the depth of hole required.
OPERATION
Oil
Gasoline
Fuel mix chart (50 : 1)
US METRIC
GAS OIL GAS OIL
GAL. FL.OZ. LITERS CC
1 2.6 4 80
2 5.1 8 160
1
50
CHECK UP OF NUTS AND
OTHER HARDWARES
• Check up loose nuts, bolts and screws
before using the unit every day.
FUEL STATEMENT
GASOLINE - Use 89 Octane [(R+M)/2] gasoline
or gasohol known to be good quality- Gasohol
may contain maximum 10% ethyl (grain)
alcohol or 15% MTBE (methy tertiary- butyl
ether). Gasohol containing methyl (wood)
alcohol is not approved.
OIL - ECHO brand premium two-strokes 50:1 oil
is preferred. Mix oil and gasoline/gasohol
according to Instructions on the oil container
label.
MIXING - Follow directions on the container.
5 12.8 20 400
7
IMPORTANT
Stored fuel ages. Do not mix more fuel
than you expect to use in thirty (30) days,
ninety (90) days when a fuel stabilizer is
added.
Stored two-stroke fuel may separate.
ALWAYS shake fuel container thoroughly
before each use.
STARTING COLD ENGINE
• Stand the engine upright on a level surface.
Throttle trigger
Air cleaner
Purge bulb
Fuel return line
Push
On
Stop
choke lever
• Place ignition switch in ON (START/RUN)
position.
• Push purge bulb 3 to 4 times (or until fuel is
visible in fuel return line).
• Shift choke shutter to close position.
(START)
• Open throttle trigger to a fast idle.
• Pull recoil starter until the engine fires.
• Shift choke shutter to full open position,and
if necessary, start the engine again and
allow to warm up before using.
- The clutch engages at approximatery
3500 rpm. therfore the cutter may rotate at
fast idle engine speed.
STARTING W ARM ENGINE
• Place ignition switch in ON (START/RUN)
position.
• Pull starter handle until the engine fires.
- Do not use the choke.
RUN
(Open)
START
(Close)
STOPPING ENGINE
• Set throttle trigger in idle position.
• Place ignition switch in STOP position.
NOTE
When engine does not stop, shift choke
shutter to close position.
Check and repair stop switch before starting
the engine again.
8
Clockwise (CW)
Shift lever
Counterclockwise
(CCW)
REVERSE ROTATION
• This model is equipped with reverse
rotation mechanism.
• When drilling, set shift lever down to
clockwise (CW) rotation position.
• If bit is locked due to deep penetration
during drilling operation, set shift lever up to
counterclockwise (CCW) rotation position
and operate reversed for easy pulling-out.
• When changing direction of drill rotation,
operate as follows:
- Return engine to idle.
- Engine shift lever to CW or CCW
position with a slight acceleration of the
throttle trigger.
To properly lock the gears in the gears in
the gear case.
- Do not operate shift lever forcibly when
changing rotation direction.
NOTE
Do not shift from forward to reverse (or viceversa) while the chuck is turning.
Failure to do so may cause unit damage.
Always release throttle and allow the unit to
return to idle before shifting.
Do not stand close to drill or chuck with your
body or clothes while operation.
When drilling, ensure that no power cable or
other obstacle exist.
WARNING DANGER
• WHEN THE DRILL CAN NOT PULL
OUT FROM THE WOOD, DO NOT TRY
TO PULL OUT THE DRILL BY
FORCE.
• WHEN CHANGING THE BIT, ENSURE
TO STOP THE ENGINE.
• AFTER A JOB, BIT AND GEAR
CASING MAY BE HEATED, DO NOT
TOUCH THEM WITH BARE HANDS.
9
MAINTENANCE AND CARE
AREA MAINTENANCE PAGE BEFORE MONTHLY YEARLY DATE
USE MAINTENANCE
PERFORMED
Air Filter Clean/Replace 12 •
Fuel Filter Inspect/Replace 12 •
Spark Plug Inspect/Clean/ 12 •
Adjust/Replace
Carburettor Adjust 14 •
Cooling System Inspect/Clean 14 •
Silencer Inspect/Clean 14 •
Starter Rope Inspect/Replace - •
Drills Inspect/Clean/ 13 •
Lubricate
Fuel Leaks Inspect/Repair - •
Screw, Bolts & Inspect,
Nuts Tighten/Replace - •
Fuel Line Inspect - •
IMPORTANT
Time intervals are maximum. Actual use
and your experience will determine the
frequency of required maintenance.
Record dates of monthly and yearly
inspections.
10
TROUBLESHOO TING
Trouble
Engine - starts hard Cause Remedy
- does not start
Engine Fuel at No fuel • Fuel strainer clogged • Clean.
Cranks carburettor at carburettor • Fuel line clogged • Clean.
• Carburettor • See your Echo dealer
Fuel at No fuel at • Carburettor • See your Echo dealer
cylinder cylinder
Silencer wet • Fuel mixture is • Open choke
with fuel too rich • Clean/replace air filter
• Adjust carburettor
• See your Echo dealer
Spark at No spark at • Ignition switch off • Turn switch on
end of end of plug • Electrical problem • See your Echo dealer
plug wire wire
Spark at No spark at • Spark gap incorrect • Adjust 0.6 ~ 0.7 mm
plug plug (0.024 ~ 0.028in.)
• Covered with carbon • Clean or replace
• Fouled with fuel • Clean or replace
• Spark plug defective • Replace plug
Engine • Internal engine • See your Echo dealer
does not problem
crank
Engine Dies or • Air filter dirty • Clean or replace
runs accelerates poorly • Fuel filter dirty • Replace
• Fuel vent blocked • Clean
• Spark plug • Clean and adjust/replace
• Carburettor • Adjust
• Cylinder fins blocked • Clean
• Exhaust port/spark • Clean
arrester screen blocked
WARNING DANGER
ALL ENGINE DRILL SERVICING, OTHER
THAN THE ITEMS LISTED IN THE
OPERATOR’S MANUAL SHOULD BE
PERFORMED BY AN AUTHORIZED ECHO
DEALER.
11
Air filter
Fuel filter
Cap
MAINTENANCE
AIR FILTER
• Clean before Use.
- Remove air cleaner cover and pull out
air fillter.
- Lightly brush off dust or wash it in water
and detergent.
- Dry completely before putting it back in
place.
Air cleaner cover
FUEL FILTER
• Check periodically.
- Do not allow dust to enter into fuel tank.
- Clogged filter will cause difficulty in
starting engine or poor engine
parformances.
- Pick up fuel strainer through fuel inlet
port with a piece of steel wire or the like.
- When filter is dirty, replace it.
0.6 ~ 0.7 mm ( .024 ~ .028 in.)
SPARK PLUG
• Check periodically.
- The standard spark gap is 0.6 ~ 0.7 mm
(0.024 ~ 0.028 in.).
- Correct spark gap if it is wider or narrower
than the standard gap.
- If the electrodes are coated with carbon
deposites replace with a new spark plug.
Do not sandblast to clean.
Remainnig sand will damage engine.
• Fastening torque = 145 ~ 155 kgf-cm (125
~ 135 in-lb)
IMPORTANT
Do not over tighten plug.
12
REPLACEMENT OF CHUCK
Replacement of chuck should be done in the
following manner:
1. Remove bolt with hexagonal hole fixed in
the driving axle.
2. Insert accessory hexagonal bar into chuck
and fix.
3. Fit 19mm spanner onto driving axle and
keep it fitted.
4. Fit 10mm box spanner onto the hexagonal
bar and turn it into direction as indicated by
an arrow to remove chuck.
5. Fit a new chuck in the reversed order of
removing.
13
ADJUSTING CARBURETTOR
(As Required)
GENERAL INFORMATION
The idle speed adjuster screw controls the
throttle opening at the idle position.
CLEANING SILENCER AND
EXHAUST PORT (Check
Periodically)
1. Carefully remove housing halves.
2. Remove and disassemble silencer.
IDLE ADJUSTMENT
1. Start engine and allow it to run at high idle
until warm.
2. Turn the idle speed screw clockwise until
drill begins to move.
3. Turn idle screw counter-clockwise 1-1/
turn or until the drill stops (2,700 ~ 3,300
rpm).
2
~ 2
CLEANING CYLINDER FINS
(Check Periodically)
NOTE
Clogged fins will cause poor engine cooling.
1. Carefully remove housing and clean dirt and
dust from fins.
NOTE
Be careful not to scratch the cylinder or
piston when cleaning the cylinder exhaust
port.
3. Clean deposits from cylinder exhaust port
and silencer.
2. Reinstall housing.
14
STORAGE
LONG TERM STORAGE
(Over 30 Days)
Do not store your unit for a prolonged period of
time (30 days or longer) without performing
protective storage maintenance which includes
the following:
1. Store unit in a dry, dust free place, out of
the reach of children.
2. Place ignition switch in STOP position.
3. Remove accumulation of grease, oil, dirt
and debris from exterior of unit.
4. Perform all periodic lubrication and services
that are required.
5. Tighten all the screws and nuts.
WARNING DANGER
DO NOT STORE IN ENCLOSURE WHERE
FUEL FUMES MAY ACCUMULATE OR
REACH AN OPEN FLAME OR SPARK.
6. Drain the fuel tank completely and pull the
starter handle several times to remove fuel
from the carburettor.
7. Remove the spark plug and pour 1/2
tablespoon (1/4 oz) of fresh, clean, 2-stroke
engine oil into the cylinder through the
spark plug hole.
A.Place a clean cloth over the spark plug
hole.
B.Pull the starter handle 2 ~ 3 times to
distribute the oil inside the engine.
C.Observe the piston location through the
spark plug hole. Pull the starter slowly
until the piston reaches the top of its
travel and leave it there.
8. Install the spark plug (do not connect
ignition cable.)
9. Lubricats the blades with a heavy coat of
oil to prevent rust.
NOTE
For future reference, you should keep this
operator’s manual.
15
SPECIFICATIONS
EDR-2400 TYPE1
Masses kg 4.7 (10.3 lbs)
Volume
fuel tank 0.45 (15.21 FL,OZ,US)
Drill
size (Max) mm 30
chuck capacity mm 13 (0.5 inch)
speed r.p.m 430
Mission
reduction ratio 17.1 (regular side)
18.6 (reverse side)
lubrication grease
External Dimensions
length x width x height mm 420 x 320 x 255
(16.5 x 12.8 x 10.0 inch)
Engine
type Air cooled Two stroke single cylinder
engine displacement cm
carburettor diaphragm type
ignition flywheel magneto - CDI system
spark plug NGK BPM7Y
starter recoil starter
clutch automatic Centrifugal
3
23.6 (1.43 cu.inch)
Fuel
mixing ratio Mixture of gasoline (unleaded, 89
octane minimum) and specially
blended 50:1 ECHO two cycle
engine oil.
fuel consumption at engine maximum power /h 0.5 (16.9 FL,OZ,US)
16
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