Page 1
Power Pruner
Operator's Manual
MODEL:
The engine exhaust from this
product contains chemicals known
to the State of California to cause
cancer, birth defects or other
reproductive harm.
PPFD-2400 TYPE 1/1E
Serial Number 001001 & Up
WARNING
WARNING DANGER
Read rules for safe operation and instructions carefully. ECHO provides an Operator's Manual, which must
be read and understood for proper and safe operation. Failure to do so could result in serous injury.
X7502301301
89861024661
08/98
Page 2
2
INTRODUCTION
Congratulations on your Power Pruner purchase. This product was designed and manufactured to provide long life and
on-the-job-dependability. Read and understand this manual before operating the unit. You will find it easy to read
and full of helpful operating tips and SAFETY messages.
W ARNING DANGER
Read rules for safe operation and instructions carefully. Echo Inc. provides an Owner's Manual, which must be read
and understood for proper and safe operation.
THE OWNER'S MANUAL --
contains specifications and information for operation, starting,
stopping, maintenance, storage and assembly specific to this
product.
TABLE OF CONTENTS
Introduction ...............................................................2
- The Owner's Manual ...........................................2
Manual Safety Symbols & Important Information ..... 3
Safety .........................................................................3
- General Description ............................................ 3
- Decals ................................................................. 4
- International Symbols.........................................4
- Equipment ...........................................................4
- Fuel ..................................................................... 5
- Personal Condition & Safety Equipment ............6
- Safe Operation .................................................... 7
- Kickback ............................................................. 8
- Extended Operation/Extreme Conditions ............9
Description .............................................................. 10
- Contents ........................................................... 10
- Emission Control............................................... 10
Specifications........................................................... 13
Assembly .................................................................14
- Shaft Tube / Power Head Installation .............. 1 4
- Cutting Attachment to Shaft Tube Installation 14
- Throttle Linkage Connections .......................... 1 5
- Saw Chain Tension Adjustment ....................... 16
Pre-Operation ........................................................... 17
- Fuel ................................................................... 17
- Automatic Oiling System .................................. 1 8
- Equipment Check .............................................. 18
- Determine Operation Area ................................ 1 9
Operation ................................................................. 19
- Starting Cold Engine ......................................... 1 9
- Starting Warm Engine....................................... 20
- Stopping Engine ............................................... 21
- Pruning Technics.............................................. 21
Maintenance ............................................................ 22
- Skill Levels ........................................................ 22
- Maintenance Intervals ......................................22
- Air Filter ............................................................23
- Fuel Filter .......................................................... 23
- Spark Plug......................................................... 24
- Cooling System Cleaning.................................. 2 4
- Exhaust System................................................. 2 5
- Carburetor Adjustment Emissions ....................26
- Carburetor Adjustment Non Emissions ............ 2 7
- Guide Bar and Saw Chain Replacement ........... 28
- Pruner Cleaning ................................................ 28
- Filing Saw Chain ............................................... 31
Troubleshooting ...................................................... 32
Storage..................................................................... 33
Servicing Info rmation............................................... 3 4
- Parts.................................................................. 34
- Service .............................................................. 34
- Warranty Card .................................................. 3 4
- Additional or Replacement Manuals ................ 3 4
- Manual Ordering Instructions .......................... 34
Specifications, descriptions and illustrative material in this
literature are as accurate as known at the time of publication,
but are subject to change without notice. Illustrations may
include optional equipment and accessories, and may not
include all standard equipment.
Page 3
POWER PRUNER
OWNER'S MANUAL
MANUAL SAFETY SYMBOLS & IMPORTANT INFORMATION
Throughout this manual and on the product itself, you will find
safety alerts 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.
This symbol accompanied by the words WARNING and
DANGER calls 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.
3
SAFETY
GENERAL
IMPORTANT
See Description and Specification sections for full description and illustration of model variation in power head,
and handle type.
ATTACHMENT
DESCRIPTION
STOP
SWITCH,THROTTLE
TRIGGER
W/LOCKOUT
CUTTING
SHAFT TUBE
POWER HEAD
W/DECAL
Page 4
4
DECALS
Locate this safety decal on your unit. The complete unit illustration found in the "DESCRIPTION" section, will help you
locate them. Make sure the decals are legible and that you understand and follow the instructions on them. If a decal
cannot be read, a new one can be ordered from your ECHO dealer. See PARTS ORDERING instructions for specific
information.
Engine Cover
!
15 M
INTERNA TIONAL SYMBOLS
Symbol form/shape
Symbol
description/application
Read and understand
owners manual.
Symbol form/shape
Symbol
description/application
Fuel and oil mixture
Symbol form/shape
Symbol
description/application
Hot
Surface
Symbol form/shape
description/application
Carburetor adjustment
- High speed mixture
Symbol
Carburetor adjustment
DO NOT smoke
near fuel.
Stop Switch
ON/OFF
O
Primer Bulb
Finger Severing
- Low speed mixture
Wear eyes, ears and
head protection
Emergency stop
Wear hand protection. Use two handed.
Engine choke
control.
Saw Chain
lubrication
Stop Switch
ON OFF
I
EQUIPMENT
Before operation a complete check of the unit must be performed;
• Check unit for loose/missing nuts, bolts and screws. Tighten
and/or replace as needed.
• Inspect fuel lines, tank and area around carburetor for fuel leaks.
DO NOT operate unit if leaks are found.
• Never adjust the guide bar or saw chain when the engine is
operating.
15 M
Safety/Alert
Avoid all power lines.
This unit is not insulated against electrical current.
Keep bystanders at
least 15 meters
(50 feet) away.
DO NOT allow
flames or sparks
near fuel.
Carburetor adjustment
- Idle speed
Do not operate closer
than 15 M (50 ft.)
from electrical
hazards.
Plan retreat path
from falling
objects.
Wear slip resistant
foot wear.
Page 5
Guide Bar and Saw Chain
W ARNING DANGER
• Serious injury may result from the use of non approved guide bar
and saw chain combinations. Read and comply with all safety
instructions listed in this manual.
• Echo Inc. will not be responsible for the failure of cutting devices
or accessories which have not been tested and approved by
Echo for use with this unit.
• Check that the cutting attachment, guide bar and saw chain is firmly
attached and in safe operating condition.
• Only use Echo approved guide bar and saw chain.
• Do not hit rocks, stones, tree stumps and other foreign objects with
the saw chain.
• Do not cut into the ground with the saw chain.
• If cutting attachment end strikes an obstruction, stop engine immediately and inspect saw chain for damage.
• Do not operate with a dull, fractured or discolored saw chain.
• Remove all foreign objects from work area.
• Always cover the guide bar and saw chain during transportation and
storage using the guide bar cover.
POWER PRUNER
OWNER'S MANUAL
5
FUEL
WARNING DANGER
Fuel is VERY flammable. Use extreme care when mixing, storing or
handling, or serious personal injury may result.
• Use an approved fuel container.
• DO NOT smoke near fuel.
• DO NOT allow flames or sparks near fuel.
• Fuel tanks/cans may be under pressure. Always loosen fuel caps
slowly allowing pressure to equalize.
• NEVER refuel a unit when the engine is HOT!
• NEVER refuel a unit with the engine running.
• DO NOT fill fuel tanks indoors. ALWAYS fill fuel tanks out
doors over bare ground.
• Securely tighten fuel cap after refueling.
• Inspect for fuel leakage. If fuel leakage is found, do not start or
operate unit until leakage is repaired.
After Refueling;
• Wipe any spilled fuel from the unit.
• Move at least 3 M (10 ft.) from refueling location before starting.
3 M
(10 FT.) MINIMUM
After Use;
• DO NOT store a unit with fuel in its tank. Leaks can occur. Return
unused fuel to an approved fuel storage container.
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6
PERSONAL CONDITION & SAFETY EQUIPMENT
W ARNING DANGER
Power Pruner users risk injury to themselves and others if the Power Pruner is used improperly and or safety
precautions are not followed. Proper clothing and safety gear must be worn when operating a Power Pruner.
Physical Condition --
Your judgment and physical dexterity may not be good:
• if you are tired or sick,
• if you are taking medication,
• if you have taken alcohol or drugs.
Operate unit only if you are physically and mentally well.
Eye Protection --
Wear eye protection that meets ANSI Z87.1 or CE requirements
whenever you operate the Power Pruner.
Face & Head Protection --
When trimming overhead, always wear head protection meeting ANSI
Z89.1 and CE requirements with a full face shield. Head protection with
full face shield will help protect you from falling branches and debris.
Hand Protection --
Wear no-slip, heavy duty work gloves to improve your grip on the
Power Pruner handles. Gloves also reduce the transmission of machine
vibration to your hands.
Hearing Protection --
Echo recommends wearing hearing protection whenever unit is used.
Proper Clothing --
Wear snug fitting, durable clothing;
• Pants should have long legs, shirts with long sleeves.
• DO NOT WEAR SHORTS,
• DO NOT WEAR TIES, SCARVES, JEWELRY.
Wear sturdy work shoes with non-skid soles;
• DO NOT WEAR OPEN TOED SHOES,
• DO NOT OPERATE UNIT BAREFOOTED.
Page 7
Hot Humid Weather --
Heavy protective clothing can increase operator fatigue which may lead
to heat stroke. Schedule heavy work for early morning or late afternoon
hours when temperatures are cooler.
SAFE OPERA TION
W ARNING DANGER
All over head electrical conductors and communications wires can
have electricity flow with high voltages. Never touch wires directly
or indirectly when pruning, otherwise serious injury or death may
result.
POWER PRUNER
OWNER'S MANUAL
7
Determine Operation Area
• Provide all operators of this equipment with the Operator's Manual
and instructions for safe operation.
• Do not operate this product indoors or in inadequately ventilated
areas.
• Review the area to be trimmed. Look for hazards that could contribute
to unsafe conditions. DO NOT operate unit if any wires (power,
telephone, cable, etc.) are closer than 15 M (50 ft.) to any part of the
operator or unit.
• Spectators and fellow workers must be warned, and children and
animals prevented from coming nearer than 15 M (50 ft.) while the
Power Pruner is in use.
• Avoid all power lines.
Operation
Use Proper Clothing & Equipment
• Before starting the unit, equip yourself and any other person
working within the 15 M (50 ft.) Safety Zone with the required
Protective Equipment and clothing.
• Always wear head protection with full face shield to help protect
against falling branches and debris.
15 M
(50 ft.)
Avoid Hot Surfaces
• During operation, the complete unit, especially the power head,
muffler area and cutting attachment may become very hot, too hot to
touch. Avoid contact during and immediately after operation.
Page 8
8
Keep A Firm Grip
• Grip Power Pruner with both hands with thumbs and fingers tightly
encircling the handle, and shaft tube.
Keep A Solid Stance
• Maintain footing and balance at all times. Do not stand on slippery,
uneven or unstable surfaces. Do not work in odd positions or on
ladders. Do not overreach.
• Operate the Power Pruner only from the ground or out of an
approved bucket lift.
• Always evaluate the branches to be pruned for hazards such as loose
dead branches which may fall and strike the operator or helpers.
Remove hazards before pruning.
• Plan retreat path from falling objects.
• Cut branches bounce when striking ground.
• Check that shoulder harness is adjusted for safe, comfortable
operation. See picture at right for proper adjustment.
• Turn the Power Pruner off when moving from tree to tree.
• Avoid any contact with saw chain.
KICKBACK
W ARNING DANGER
Kickback can lead to dangerous loss of control of the Power
Pruner and result in serious injury to the operator or any one
standing close by.
Kickback may occur when the moving saw chain at the nose or tip of
the guide bar touches an object, or when the wood closes in and
pinches the saw chain in the cut. In some cases this may cause a
lightning-fast reverse action, kicking the guide bar and saw chain up
and back or down and back towards the operator. Either of these
reactions may cause the operator to lose control of the Power Pruner
which could result in serious personal injury.
With a basic understanding of kickback, you can reduce or eliminate the
element of surprise which contributes to accidents.
Hold the Power Pruner firmly with both hands. Be aware of the down
and outward path the pruner will take after the cut is made.
Avoid contact of the guide bar tip with any object while the saw chain
is moving.
Cut only wood. Avoid striking concrete, metal, wire, or other obstructions which could cause kickback or damage to the saw chain.
If the saw chain does strike a foreign object, immediately stop the
engine, inspect and repair the Power Pruner if necessary.
Page 9
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 trimmer 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.
POWER PRUNER
OWNER'S MANUAL
9
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
activities may put you at a high risk for developing a Repetitive 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 exercises 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.
Page 10
10
DESCRIPTION
Due to packaging restriction the ECHO product you have
purchased requires some assembly.
After opening the carton, check for damage. Immediately
notify your retailer or ECHO Dealer of damaged or missing
parts. Use the contents list to check for missing parts.
CONTENTS LIST
__ Power Head
__ Shaft Tube Assembly
__ Cutting Attachment
__ Plastic Bag
__ Operator's Manual
__ How to Prune Manual
__ Warranty Registration Card
__ Warranty Statement
__ T-Wrench (combination screwdriver/spark plug socket)
__ 3 mm hex wrench
__ 8 x 10 mm Spanner
__ Safety Glasses
__ 2-Stroke Oil Bottle (2.6 oz.)
__ Shoulder Harness
__ Guide Bar Cover
EMISSION CONTROL - Emissions Models
The emission control system for this engine is EM (Engine
Modification).
IMPORTANT ENGINE INFORMATION
ENGINE FAMILY: TEH024UB24RA
DISPLACEMENT: 23.6cc
THIS ENGINE MEETS U.S. EPA PH1 AND 19951998 CALIFORNIA EMISSION REGULATIONS FOR
ULGE ENGINES. REFER TO OWNER'S MANUAL
FOR MAINTENANCE SPECIFICATIONS AND
ADJUSTMENTS.
KIORITZ CORP.
Emission Control Label (located on Engine) (EXAMPLE
ONLY, information on label varies by FAMILY).
Page 11
19
POWER PRUNER
OWNER'S MANUAL
21
20
11
22
11
12
10
18
17
16
15
14
9
8
13
7
4
3
2
1
5
6
Page 12
12
1. POWER HEAD - Includes the Engine, Clutch, Fuel System, Ignition System and Recoil Starter.
2. REAR HANDLE ASSEMBLY WITH THROTTLE TRIGGER LOCKOUT - Sturdy handle for right hand placement.
Includes stop switch, throttle trigger and throttle trigger lockout.
3. THROTTLE TRIGGER LOCKOUT - This lever must be held during starting. The engine does not stop when throttle
trigger lockout lever is released and throttle trigger is engaged during throttle operation. Operation of the throttle
trigger is prevented unless throttle trigger lockout lever is engaged.
4. STOP SWITCH - Mounted on top of rear handle assembly. Move switch forward to run, back to stop.
5. THROTTLE TRIGGER - Spring loaded to return to idle when released. During acceleration press throttle trigger
gradually for best operating technique.
6. SHOULDER HARNESS - An adjustable strap that suspends the unit from the operator.
7. SHAFT TUBE - Durable fiberglass mesh housing.
8. AUTOMATIC OILER - Self oiling. Use high quality, low viscosity, non detergent guide bar and saw chain oil.
9. SAW CHAIN - 91 VS 9.53 mm (3/8") low profile Oregon saw chain. Runs approximately 609.6 m/min (2000 ft/min) at
full throttle.
10. GUIDE BAR - 305 mm (12 inch) Guide Bar.
11. CUTTING SHOE - Used to capture and stabilize branch while cutting. Place cutting shoe against branch, accelerate
and lower saw chain into branch.
12. CUTTING ATTACHMENT - Sealed, gear ratio is 1.5:1 reduction.
13. MUFFLER, SPARK ARRESTER - The muffler controls the exhaust noise while the spark arrestor prevents hot,
glowing particles of carbon from leaving the muffler where they could possibly start a fire.
14. RECOIL STARTER - Pull handle slowly until recoil starter engages, then quickly and firmly. When engine starts
return handle slowly. DO NOT let handle snap back or damage will occur.
15. FUEL TANK - Contains fuel and fuel filter.
16. FUEL TANK CAP - Covers and seals fuel tank opening.
17. PRIMER BULB - Pumping primer bulb before starting engine draws fresh fuel from the fuel tank priming the carburetor for starting. Pump the bulb 10 times until fuel is visible in clear fuel return line.
18. AIR CLEANER ASSEMBLY - Contains replaceable air filter element.
19. CHOKE - Located above air cleaner housing. Controls operation of choke. Move lever to starting position (Close
Choke) and back to run position (Open Choke).
20. SPARK PLUG - Provides spark to ignite fuel mixture.
21. ARM REST - Provides arm rest during operation and protects arm from hot engine.
22. OPERATORS MANUAL - Read and understand this manual before operation. Keep manual in a safe location for future
reference, i.e., operation, maintenance, storage and specifications.
Page 13
SPECIFICATIONS
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POWER PRUNER
OWNER'S MANUAL
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Specifications, descriptions and illustrative material in this literature are as accurate as known at the time of publication,
but are subject to change without notice. Illustrations may include optional equipment and accessories, and may not
include all standard equipment.
Page 14
14
ASSEMBLY
SHAFT
Tools Required: T-wrench, 8 mm X 10 mm Wrench
Parts Required: Power Head, Shaft Tube Assembly;
1. Loosen bolt (A).
2. Match square socket in engine shaft with square power transmis-
3. Rotate
4. Tighten bolt (A) securely so engine will not rotate on shaft tube.
TUBE/POWER HEAD
Cutting Attachment
sion shaft (B) and slide together until engine rests against the
machine surface of shaft tube coupler (C).
power transmission shaft housing to align engine and rear
handle assembly in an upright position.
B
A
C
ALIGN & PUSH
FAN HOUSING
CUTTING ATTACHMENT TO SHAFT TUBE INSTALLATION
1 . Loosen the four (4) screws (D) and locator screw (E) on cutting
attachment.
NOTE
Do not remove locator screw (E) completely from cutting attachment, otherwise inner lock nut will come loose and be lost.
BOTTOM
VIEW
A
E
D
D
Page 15
2 . Align ridges on aluminum shaft tube (F) with seams in cutting
attachment. Join star shaped drive end of inner power transmission shaft (G) with cutting attachment shaft (H).
3 . Slide together aligning locator screw (E) in cutting attachment with
locating hole in aluminum shaft tube.
4 . Tighten locator screw (E). Tighten four (4) cutting attachment
screws (D).
POWER PRUNER
OWNER'S MANUAL
F
F
G
E
D
15
H
THROTTLE LINKAGE CONNECTIONS
NOTE
The engine is delivered separated from shaft tube. The throttle
linkage and stop switch wire are attached to the rear handle.
1. Loosen outer nut on throttle linkage.
2 . Insert throttle linkage in fan cover slot (A).
3 . Finger tighten nut and attach the inner linkage to the swivel (B) on
the carburetor throttle lever.
NOTE
It is important that the head of the throttle linkage fit inside the slot
well of the swivel (B).
B
E
A
D
C
Page 16
16
4 . Tighten the 10mm linkage nuts.
5 . Check throttle for freedom of movement and make sure it returns to
idle position. If the throttle linkage does not allow the carburetor
throttle plate (C) to return to idle against idle screw (D), loosen
linkage nuts; turn throttle linkage nut (E) counter clockwise until
throttle plate (C) rests against idle screw (D). Hold linkage nut (E)
from turning and tighten other linkage nut.
6 . Connect ground wire terminal (F) under screw on fan housing.
7 . Connect stop switch wire (G) to stop wire of engine.
B
E
G
A
F
D
C
SAW CHAIN TENSION ADJUSTMENT
W ARNING DANGER
Always wear work gloves when handling saw chain, otherwise
serious personal injury may result.
To Adjust Saw Chain Tension.
1 . Loosen two (2) 11mm (7/16") guide bar bolts (A) located on cutting
attachment using the adjustment wrench provided.
2 . Turn saw chain tensioner screw (B) (located next to guide bar in
sprocket cover) clockwise to tighten saw chain on guide bar.
Turning screw counter clockwise will loosen saw chain on guide
bar.
3. Tighten guide bar bolts firmly, but not so much that the head starts
to distort. Move saw chain backwards on guide bar by hand. Saw
chain should move freely on guide bar if it is in proper mesh with
sprocket.
Keep the saw chain lubricated and properly adjusted and the guide bar
bolts tightened firmly at all times. If saw chain is difficult to rotate or
binds on guide bar, it is too tight.
B
A
Page 17
PRE-OPERATION
FUEL
Fuel Requirements
POWER PRUNER
OWNER'S MANUAL
17
Gasoline - Use 89 Octane [ ] gasoline or gasohol known to be good
quality. Gasohol may contain up to 10% Ethyl (grain) alcohol or 15%
MTBE (methyl tertiary-butyl ether). Gasohol containing methanol
(wood alcohol) is NOT approved.
Two-Stroke Oil - A two-stroke engine oil meeting ISO-L-EGD Standard
(ISO/CD 13738), must be used. Echo brand Premium 50:1 oil meets this
standard. Engine problems due to inadequate lubrication caused by
failure to use an ISO-L-EGD approved oil, such as Echo Premium 50:1
Two-stroke Oil, will void the two-stroke engine warranty. (Emission
related parts only are covered for two years, regardless of two-stroke
oil used, per the statement listed in the EPA Phase I/California Emission
Defect Warranty Explanation.).
Mixing - Follow directions on the oil container.
R + M
2
Handling Fuel
W ARNING DANGER
Fuel is VERY flammable. Use extreme care when mixing, storing or
handling, or serious personal injury may result.
• Use an approved fuel container.
• DO NOT smoke near fuel.
• DO NOT allow flames or sparks near fuel.
• Fuel tanks/cans may be under pressure. Always loosen fuel caps
slowly allowing pressure to equalize.
• NEVER refuel a unit when the engine is HOT!
• NEVER refuel a unit with the engine running.
• DO NOT fill fuel tanks indoors. ALWAYS fill fuel tanks out
doors over bare ground.
• Securely tighten fuel cap after refueling.
• Inspect for fuel leakage. If fuel leakage is found, do not start or
operate unit until leakage is repaired.
3 M
(10 FT.) MINIMUM
After Refueling;
• Wipe any spilled fuel from the unit.
• Move at least 3 M (10 ft.) from refueling location before starting
the engine.
After use;
• DO NOT store a unit with fuel in its tank. Leaks can occur.
Return unused fuel to an approved fuel storage container.
Storage -
Fuel storage laws vary by locality. Contact your local government for
the laws affecting your area. As a precaution, store fuel in an approved,
air tight container. Store in a well ventilated, unoccupied building, away
from sparks and flames. Do not store fuel longer than 30 days.
Page 18
18
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.
IMPORTANT
Stored two-stroke fuel may separate. ALWAYS shake fuel container thoroughly before each use.
AUTOMATIC OILING SYSTEM
1. Turn oil fill cap 450 counter clockwise and lift to remove.
2. Fill with a quality, low viscosity, guide bar and saw chain oil.
IMPORTANT
To prevent plastic deterioration, do not use synthetic or silicone
based oil.
3 . Set rate indicator (A) to center by turning adjustment wheel (B).
4 . Adjust for minimum oil rate by turning adjustment wheel (B). (Very
little visible oil on the saw chain will provide sufficient lubrication).
NOTE
Proper oiling rate will use one reservoir of oil for each tank of gas.
SMTWTF S
1234567
8 9 10 1112 13 14
1516 17 18 1920 21
2223 24 25 2627 28
2930 31
B
A
IMPORTANT
Do not force adjustment wheel after indicator has reached the end
of travel window.
EQUIPMENT CHECK
Before operation a complete check of the unit must be performed;
• Check unit for loose/missing nuts, bolts and screws. Tighten and/or
replace as needed.
• Inspect fuel lines, tank and area around carburetor for fuel leaks. DO
NOT operate unit if leaks are found.
• Check that the cutting attachment is firmly attached and the saw chain
is correctly tensioned on the guide bar. Dull, loose or damaged saw
chain should not be used. Refer to page 31 for correct Filing Saw
Chain procedures.
• Before use check for contamination such as moisture, sawdust, etc.
that may allow an electrical path to occur between the cutting
attachment and the outer shaft tube. Clean off all contamination from
shaft tube, and dry unit completely with a clean silicone cloth. Refer
to Maintenance Section page 28 for proper cleaning instructions.
15 M
(50 ft.)
• Check that harness is adjusted for safe, comfortable operation. See
figure at right for proper adjustment.
Page 19
DETERMINE OPERATION AREA
• Before staring the unit, equip yourself and fellow workers in the 15 M
(50 ft.) safety zone with the required protective equipment and
clothing.
POWER PRUNER
OWNER'S MANUAL
19
• Review the area to be trimmed. Look for hazards that could
contribute to unsafe conditions.
• Spectators, children and animals must be prevented from coming
nearer than 15 M (50 ft.) while the pruner is in use.
OPERATION
• Provide all operators of this equipment with the Operator's Manual
and instructions for safe operation.
• Before starting the unit, equip yourself and any other person
working within the 15 M (50 ft.) Safety Zone with the required
Protective Equipment and clothing.
• Always evaluate the area being cut for overhead hazards such as
dead branches which may fall and strike the operator or helpers.
• Be aware of branches bouncing when striking the ground.
• Larger branches should be removed in sections.
• During operation, the complete unit, especially the shaft tube and the
bearing housing may become very hot, too hot to touch. Avoid
contact during and immediately after operation.
15 M
(50 ft.)
STARTING COLD ENGINE
W ARNING DANGER
The cutting attachment should not rotate at idle. If cutting
attachment rotates, readjust carburetor according to "Carburetor
Adjustment" instructions in this manual or see your dealer,
otherwise serious personal injury may result.
1 . Stop Switch - Start/Run.
Move stop switch button (A) forward away from the STOP
position.
2 . Choke - Cold Start.
Move choke (B) to “Cold Start” Position.
3. Primer Bulb -Primer.
Pump primer bulb (C) 10 times. Fuel will be visible and flow freely in
the clear fuel tank return line.
A
B
C
D
Page 20
20
W ARNING DANGER
Inspect starting area for hazards such as rocks, glass, debris etc.
which could be contacted by the cutting attachment when starting.
Keep helpers and bystanders at least 15 M (50 ft.) from starting
area, otherwise serious personal injury may result.
4 . Lay the pruner on a flat clear area. Firmly grasp rear handle and
throttle trigger lockout with left hand and fully depress throttle
trigger to wide open position. Rapidly pull recoil starter handle (D)
until engine fires (or maximum five [5] pulls).
5 . After engine fires (or five [5] pulls), move choke to “Run” position.
Hold throttle trigger and throttle trigger lockout fully depressed
and pull recoil starter handle/rope until engine starts and runs.
Release throttle trigger and allow unit to warm up at idle for several
minutes.
NOTE
If engine does not start with choke in “Run” position after 4 pulls,
repeat instructions.
6 . After engine warm up, gradually depress throttle trigger to increase
engine RPM to operating speed.
STARTING WARM ENGINE
W ARNING DANGER
The cutting attachment should not rotate at idle. If cutting attachment rotates, readjust carburetor according to "Carburetor Adjustment" instructions in this manual or see your dealer, otherwise
serious personal injury may result.
1 . Stop Switch - Start/Run. Move stop switch button (A) forward
away from the STOP position.
2 . Recoil Start - Pull Rope. Lay the trimmer on a flat clear area and
pull the recoil starter handle (C) until the engine fires.
NOTE
If engine does not start after 4 pulls, use Cold Start Procedure.
A
B
C
Page 21
STOPPING ENGINE
POWER PRUNER
OWNER'S MANUAL
21
1 . Release Throttle Trigger. Allow engine to idle for a minute.
2. Stop Switch - Stop. Move stop switch button (A) backward to
STOP position.
W ARNING DANGER
If engine does not stop when stop switch is moved to STOP
position, close choke - COLD START position - to stall engine.
Have your ECHO dealer repair stop switch before using pruner
again.
PRUNING TECHNIQUES
The Power Pruner is designed for light to medium trimming of limbs and
branches up to 203 mm (8 in.) in diameter. Follow these tips for successful operation.
• Plan cut carefully. Check direction branch will fall.
• Long branches should be removed in several pieces.
CORRECT
AGAINST
BRANCH
A
SHOE
NOT
CORRECT
• Do not stand directly beneath branch being cut.
• When ready to cut:
Hold "front cutting shoe" against branch. This will prevent whipping
of the branch. DO NOT use back and forth sawing action.
• Look out for branch immediately behind the branch being cut. If saw
chain hits rear branch damage to the saw chain my occur.
• Accelerate to full throttle.
• Apply cutting pressure.
• Ease cutting pressure when nearing end of cut to maintain control.
• When pruning a limb 102 mm (4 in.) diameter or larger cut as follows:
1 . Under cut 1/4 limb diameter near tree trunk.
2 .Finish top cut slightly farther out on limb.
3. Flush cut stub at trunk.
• DO NOT use for felling or bucking.
BLADE HITS REAR BRANCH
NOT
CORRECT
2
1
3
Page 22
22
MAINTENANCE
Your ECHO Power PrunerTM is designed to provide many hours of trouble free service. Regular scheduled maintenance
will help your pruner achieve that goal. If you are unsure or are not equipped with the necessary tools, you may want to
take your unit to an ECHO Service Dealer for maintenance. To help you decide whether you want to DO-IT-YOURSELF
or have the ECHO Dealer do it, each maintenance task has been graded. If the task is not listed, see your ECHO Service
Dealer for repairs.
SKILL LEVELS
Level 1 = Easy to do. Most required tools come with unit.
Level 2 = Moderate difficulty. Some specialized tools may be required.
Level 3 = Experience required. Specialized tools are required.
ECHO offers REPOWERTM Maintenance Kits and Parts to make your maintenance job easier. Just below each task
heading are listed the various part numbers required for that task. See your ECHO dealer for these parts.
MAINTENANCE INTERVALS
/TNENOPMOC
METSYS
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Page 23
AIR FILTER
Level 1.
Parts required: REPOWER Filtration Kit P/N 90008
1 . Close choke (Cold Start Position). This prevents dirt from entering
the carburetor throat when the air filter is removed. Brush accumulated dirt from the air cleaner area.
2 . Remove the air cleaner cover. Clean and inspect the element for
damage. If element is fuel soaked and very dirty, replace.
POWER PRUNER
OWNER'S MANUAL
23
3 . If element can be cleaned and reused, be certain it:
-properly fits the cavity in the air cleaner cover.
-is installed with the original side out.
NOTE
Carburetor adjustment may be needed after air filter cleaning/
replacement. See Carburetor Adjustment Section.
FUEL FILTER
Level 1.
Parts Required: REPOWER Filtration Kit P/N 90008
W ARNING DANGER
Fuel is VERY flammable. Use extreme care when mixing, storing or
handling or serious personal injury may result.
1 . Use a clean rag to remove loose dirt from around fuel cap and
empty fuel tank.
2. Use the “fuel line hook” to pull the fuel line and filter from the tank.
3 . Remove the filter from the line and install the new filter.
Page 24
24
SPARK PLUG
Level 2.
Parts Required: Spark Plug, NGK BPM-7Y
1 . Remove spark plug and check for fouling, worn and rounded center
electrode.
2 . Clean the plug or replace with a new one. DO NOT sand blast to
clean. Remaining sand will damage engine.
3. Adjust spark plug gap by bending outer electrode.
4 . Tighten spark plug to 145-155 kg-cm (125-135 in. lb.).
COOLING SYSTEM CLEANING
0.65 mm
(0.026 in.)
Level 3.
Parts Required: None.
IMPORTANT
To maintain proper engine operating temperatures, cooling air
must pass freely through the cylinder fin area. This flow of air
carries combustion heat away from the engine.
Overheating and engine seizure can occur when:
• Air intakes are blocked, preventing cooling air from reaching the
cylinder.
• Dust and grass build up on the outside of the cylinder. This build
up insulates the engine and prevents the heat from leaving.
Removal of cooling passage blockages or cleaning of cooling fins is
considered “Normal Maintenance”. Any failure attributed to lack of
maintenance is not warranted.
1 . Remove spark plug lead from spark plug and throttle linkage end
from the carburetor swivel.
2 . Remove the four screws that retain the engine cover (A). Two at
the top of the recoil starter, two on either side of the front. Lift the
cover from the engine and lay to the front of the Power Pruner.
A
A
NOTE
The throttle linkage remains assembled to the engine cover and the
spark plug lead and grommet remain installed.
Page 25
3 . Use the wooden stick or brush to remove dirt form cylinder fins.
4 . Remove grass and leaves from the grid between the starter and fuel
tank.
5. Assemble components in reverse order.
NOTE
When installing the engine cover, be certain the tab of the metal
deflector shield is in the slot of the engine cover.
POWER PRUNER
OWNER'S MANUAL
25
EXHAUST SYSTEM
Spark Arrestor Screen
Level 2.
Parts Required: Screen, Gasket Lid
1 . Remove engine cover (A). See “Cleaning Cooling System” pages
25 & 26 for step by step instructions.
2 . Place piston at Top Dead Center (TDC) to prevent carbon/dirt
from entering cylinder.
3 . Remove spark arrestor screen cover (B), screen holder (C),
gasket (D) and screen (E) from muffler body.
4 . Clean carbon deposits from screen and muffler components.
5 . Replace screen if it is cracked, plugged or has holes burned
through.
6. Assemble components in reverse order.
E
D
C
B
NOTE
When installing the engine cover, be certain the tab of the metal
deflector shield is in the slot of the engine cover.
Page 26
26
CARBURETOR ADJUSTMENT
Emission Models
Level 2.
Parts required: None.
NOTE
Every unit is run at the factory and the carburetor is set in compliance with EPA Phase 1 and California Emission
Regulations. In addition, the carburetor is equipped with HI (A) and LO (B) needle adjustment limiters that prevent
settings outside acceptable limits.
1 . Before adjusting the carburetor, clean or replace the air filter and
spark arrester screen.
2. Start engine and run for several minutes to reach operating
temperature.
3 . Stop engine. Turn HI (A) speed needle CCW (counter clockwise)
to stop. Turn LO (B) speed needle midway between full CCW and
CW (clockwise) stops.
4 . Idle Speed Adjustment.
-Start engine and turn idle (C) speed adjustment screw CW until
the saw chain begins to turn, then turn the screw CCW until saw
chain stops turning. Turn screw CCW an additional 1/4 turn.
5 . Accelerate to full throttle for 2-3 seconds to clear excess fuel from
engine then return to idle. Accelerate to full throttle to check for
smooth transition from idle to full throttle. If engine hesitates, turn
LO (B) needle CCW an additional 1/8 turn and repeat acceleration.
Continue adjusting until smooth acceleration results.
6 . Check HI speed RPM at W.O.T. (Wide Open Throttle). HI speed
RPM should be set to specifications found on page 13 "Specifications" of this manual.
7 . Check idle speed and reset if necessary. If a tachometer is avail-
able, idle speed should be set to the specification found on page
13 "Specifications" of this manual.
A
C
B
W ARNING DANGER
When carburetor adjustment is completed, saw chain should not
move at idle, otherwise serious personal injury may result.
Page 27
CARBURETOR ADJUSTMENT
Non Emission Models
Idle Speed Adjustment
Turn "idle" speed adjustment screw (C) CW (clockwise) until saw chain
begins to turn, then turn screw out CCW (counter clockwise) until saw
chain stops turning. Turn screw out, CCW an additional 1/4 turn.
W ARNING DANGER
Saw chain must not turn when unit is idling, otherwise serious
personal injury may result.
Basic Setting
1 . Stop engine and turn both LO (B) and HI (A) needles in, CW until
they stop and are lightly seated.
IMPORTANT
DO NOT over tighten needles. Forcing them to tighten will
damage the carburetor.
POWER PRUNER
OWNER'S MANUAL
27
2. Turn needles out CCW
LO (B) 2-1/4 turns; HI (A) 3-1/4 turns
Fine Tuning
(Requires Accurate Tachometer)
1 . Start engine and allow to warm to operating temperature (minimum
2 - 3 minutes) varying engine speed from idle to full throttle.
2 . Always begin fine tuning with LO (B) needle.
a. Lean drop-off - With engine idling, turn LO (B) needle slowly
CW (in) to lean drop-off point. RPM will increase, then
abruptly drop-off. Note this position. (1)
b. Rich drop-off - With engine idling, slowly turn LO (B) needle
CCW (out) to rich drop-off point. RPM will increase then
gradually slow and drop-off. Note this position. (2)
c. Final setting - Set needle at mid point between lean rich drop-
off points. (3)
d. Turn needle 1/8 turn CCW (out) making mixture slightly
richer. (4)
3. HI speed adjustment.
Adjust HI (A) needle with tachometer. Refer to Wide Open Throttle
RPM settings listed in "Specifications" on page 13.
4 . Check idle speed and reset if necessary. If tachometer is available,
idle speed should be set to the specifications found on page 13
"Specifications" of this manual.
(2)
A
C
(3)
(4)
B
(1)
W ARNING DANGER
When carburetor adjustment is completed, saw chain should not
move at idle, otherwise serious personal injury may result.
F
Page 28
28
GUIDE BAR AND SAW CHAIN REPLACEMENT
W ARNING DANGER
Never try to replace or adjust guide bar and saw chain with engine running. This saw chain is VERY sharp, wear
heavy gloves to protect your hands when handling it. Wear eye protection meeting ANSI Z87.1 or CE requirements.
Guide Bar Replacement / Installation
Level 3
• Loosen two (2) 11mm (7/16") guide bar bolts (A) and relieve saw
chain tension turning screw (B) counter clockwise.
• Remove sprocket cover.
• Free saw chain from sprocket and remove from guide bar. If guide
bar is okay proceed to saw chain installation.
• Slide guide bar forward and remove from cutting attachment. Install
new guide bar sliding it onto the cutting attachment as far as
possible.
B
A
Saw Chain Installation
Level 3
• Install new saw chain onto guide bar. Make sure cutting links are
faced towards the nose of the guide bar.
• Engage saw chain with sprocket.
• Replace sprocket cover.
• Follow instruction on adjusting saw chain tension page 17.
PRUNER CLEANING
W ARNING DANGER
Dirt and oil contaminants may provide an electrical path from the Power Pruner to the operator. Before each use, clean
the shaft tubes of all dirt and oil residues, otherwise accidental contact with overhead conductors may cause serious
personal injury or death.
Cleaning Procedure
NOTE
The term "Hot Stick" applies to a non conductive insulated pole used by electric utilities in moving "live" downed
power lines. Cleaning materials designated with "Hot Stick" are certified for cleaning applications on dielectric tools.
"Hot Stick" certified cleaners can be purchased from any industrial electric supply business.
Page 29
1 . Loosen four (4) screws (A) and locator screw (B). Remove cutting
attachment from shaft tube.
NOTE
Do not remove locator screw (B) completely from cutting attachment, otherwise inner lock nut will come loose and be lost.
2 . Remove four (4) screws (C) from engine end adaptor. Remove
upper adapter cap (D) with "O" ring half.
3. Push power transmission shaft (E) forward to disconnect from
engine clutch drum PTO, then set engine, with lower adapter end,
to the side.
POWER PRUNER
OWNER'S MANUAL
B
A
D
29
E
4 . Remove power transmission shaft (E) from shaft tube (F).
5. Clean inside shaft tube housing assembly (F) with "Hot Stick"
cleaning solution and cloth. Use a rod or wooden dowel that will
not shed conductive contaminates. Push cloth from engine end to
cutting attachment end. Wipe inner shaft tube assembly completely dry with clean cloth.
6. Clean outer shaft tube grooves with cleaning pad. Then dry.
7. Apply silicone to a clean cloth and wipe down outer and inner
shaft tube walls.
8 . Clean fiberglass power transmission shaft (E) with "Hot Stick"
cleaner. Clean center bushing (G) with a cloth. Do not use cleaner
on center bushing assembly. Check center foam and bushing (G)
for wear and apply silicone lubricant as required.
NOTE
Application of "Hot Stick" wax to all fiberglass surfaces will
improve resistance to moisture.
C
F
H
F
G
H
9. Insert cone shaped power transmission shaft end (H) into engine
end of shaft tube (F). Squeeze bushing cover (G) to fit housing
bore and push power transmission shaft into position.
Page 30
30
10. Assemble engine/lower adaptor assembly in position at housing
end and engage power transmission shaft end (E) into engine
clutch drum PTO.
11. Check upper adaptor cap (D) for correct placement of "O" ring
half. Assemble cap onto the shaft tube locating power transmission shaft ball bearing (I) into adaptor body and cap groove.
Assemble four (4) screws (C). Rotate shaft tube to correctly
position rear handle then tighten screws maintaining equal upper
and lower adaptor half side gap spacing.
12. Align ridges on aluminum shaft tube (J) with seams in cutting
attachment. Join star shaped drive end of inner power transmission shaft (A) with cutting attachment shaft (F).
I
D
E
C
J
J
H
K
B
13. Slide together aligning locating screw (B) in cutting attachment
with locating hole in aluminum shaft tube.
14. Tighten locator screw (B) and four (4) cutting attachment screws
(A).
A
Page 31
FILING SAW CHAIN
POWER PRUNER
OWNER'S MANUAL
31
Level 3.
IMPORTANT
Dull or damaged cutter will result in poor cutting performance,
increased vibration, and premature saw chain failure.
W ARNING DANGER
Always stop engine and wear gloves when filing saw chain,
otherwise serious personal injury may result.
1 . Set round file (A) in cutter at 30° angle. One-fifth (1/5) of the file
should be exposed above top cutter edge.
2 . Keep file horizontal in cutter and file in one direction.
3. File until cutter top and side bevel edges are sharp without nicks.
4 . Place depth gauge tool (B) firmly on top of cutter with .635 mm
(.025 in.) slot end against front cutter raker. File cutter raker with
flat file until flush with top of depth gauge.
1
A
2
1/5
3
B
.025"
5 . Finish cutter sharpening by rounding front raker edge (C) with flat
file.
6 . Properly filed cutter is as shown.
7 . Apply clean oil and rotate saw chain slowly to wash away filings.
8 . If saw chain is coated or clogged with resin, clean in kerosene and
soak in oil.
C
(SIDE PLATE ANGLE)
(TOP PLATE ANGLE)
(TOP PLATE CUTTING ANGLE)
(DEPTH GAUGE)
.025"
Page 32
32
TROUBLESHOOTING
Problem
Engine starts hard
does not start
Cause
Remedy
Engine
Cranks
Engine
does not
crank
Engine
runs
Fuel at
carburetor
Fuel at
cylinder
Spark at
end of
plug wire
Spark at
plug
Dies or
Accelerates poorly
No fuel at
carburetor
No fuel at
cylinder
Muffler wet
with fuel
No spark at end
of plug wire
No spark at plug
Fuel strainer clogged
Fuel line clogged
Carburetor
Carburetor
Fuel mixture is too rich
Stop switch off
Electrical problem
Interlock switch
Spark gap incorrect
Covered with carbon
Fouled with fuel
Spark plug defective
Internal engine problem
Air filter dirty
Fuel filter dirty
Fuel vent plugged
Spark plug
Carburetor
Cooling system plugged
Exhaust port/spark
arrestor screen plugged
Clean
Clean
See your dealer
See your dealer
Open choke
Clean/replace air filter
Adjust carburetor
See your dealer
Turn switch on
See your dealer
See your dealer
Adjust. 0.65 mm (0.026 in.)
Clean or replace
Clean or replace
Replace plug
See your dealer
Clean or replace
Replace
Replace
Clean and adjust/replace
Adjust
Clean
Clean
Page 33
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.
W ARNING DANGER
Do not store in enclosure where fuel fumes may accumulate or
reach an open flame or spark or serious personal injury may result.
2. Move stop switch button (A) backward to STOP position.
3 . Remove accumulation of grease, oil, dirt and debris from exterior of
unit.
POWER PRUNER
OWNER'S MANUAL
A
33
4 . Perform all periodic lubrication and services that are required.
5. Tighten all the screws and nuts.
6. Drain the fuel tank completely and pull the recoil starter handle
several times to remove fuel from the carburetor.
7 . Remove the spark plug and pour 30 ml of fresh, clean, two-stroke
engine oil into the cylinder through the spark plug hole.
A. Place a clean cloth over the spark plug hole.
B . Pull the recoil starter handle 2-3 times to distribute the oil inside
the engine.
C. Observe the piston location through the spark plug hole. Pull
the recoil starter handle slowly until the piston reaches the top of
its travel and leave it there.
8. Install the spark plug (do not connect spark plug cable).
9. Install guide bar cover on guide bar and saw chain during storage.
Page 34
SERVICING INFORMATION
P ARTS
Genuine ECHO Parts and ECHO Re Power Parts and Assemblies for your
ECHO products are available only from an Authorized ECHO Dealer.
When you do need to buy parts always have the Model Number, Type
number and Serial Number of the unit with you. You can find all three
numbers on the engine housing. For future reference, write them in the
space provided below.
Model No. _____________ Type No. ____________ SN. __________
DEALER?
SERVICE
Service of this product during the warranty period must be performed by
an Authorized ECHO Service Dealer. For the name and address of the
Authorized ECHO Service Dealer nearest you, ask your retailer or call:
1-800-432-ECHO. When presenting your unit for Warranty service/
repairs, proof of purchase is required.
1-800-432-ECHO
Call
W ARRANTY CARD
This card is our means of registering all original owners of ECHO equipment. The card plus proof of purchase provides you the assurance that
authorized warranty work will be done. It also provides a direct link
between you and ECHO if we find it necessary to contact you.
ADDITIONAL OR REPLACEMENT MANUALS
Operator's and Parts Manuals are available for purchase from your
ECHO dealer or directly from ECHO. [See ordering instructions below.]
ECHO Incorporated
400 Oakwood Road
Lake Zurich, IL 60047
Technical Publications Orders
ORDERING INSTRUCTIONS
To obtain a Parts Catalog or Operator's Manual send a check or money order for $2.00 per Parts Catalog or $1.50 per Operator's
Manual made payable to ECHO, INCORPORATED. State on a sheet of paper the model number and serial numbe of the ECHO
unit you have, part number of the manual (if known), your name and address and mail to address above.
Available Parts Catalog
PPFD-2400 Type 1/1E Serial Number 001001 & Up Part Number 99922202954
ECHO, INCORPORATED
400 OAKWOOD ROAD
LAKE ZURICH, IL 60047
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