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Echo Power Pruner PPSR-2122, Operator'S Manual

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Echo Power Pruner PPSR-2122 Operator'S Manual Download Page 26

26

CARBURETOR

 

ADJUSTMENT

Non Emissions Models

Tools Required:  Screwdriver with 2mm blade width, Tachometer

 (

ECHO

 P/N 99051130017)

Parts required:  None.

NOTE
If carburetor has limiter caps follow "Carburetor Adjustment"
procedures for Emission models on previous page.

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.

WARNING         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.

2.

Turn needles out CCW
PPSR-2122 LO (B) 1-3/8 turns; HI (A) 1-7/8 turns
PPSR-2433 LO (B) 2-1/2 turns; HI (A) 2-1/4 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)

F

A

Summary of Contents for Power Pruner PPSR-2122

Page 1: ...ING DANGER Readrulesforsafeoperationandinstructionscarefully ECHOprovidesanOperator sManualanda SafetyManual Bothmustbereadandunderstoodforproperandsafeoperation WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm 89865026061 06 99 X7502303301 ...

Page 2: ...ent 4 Fuel 5 Personal Condition Safety Equipment 6 Safe Operation 7 Kickback 8 ExtendedOperation ExtremeConditions 9 Description 10 Contents 10 Emission Control 10 Specifications 13 Assembly 14 Saw Chain Tension Adjustment 14 Pre Operation 15 Fuel 15 Lubricating the Guide Bar and Saw Chain 16 Adjust Automatic Oiler 16 EquipmentCheck 17 DetermineOperationArea 17 Operation 18 StartingColdEngine 18 S...

Page 3: ...ied 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 FRONT HANDLE W GUARD CUTTING ATTACHMENT STOP SWITCH THROTTLE LOCKOUT ARM REST SPARK PLUG MUFFLER RECOIL STARTER HANDLE FUEL TANK FUEL CAP AIR FILTER THROTTLE TRIGGER CU...

Page 4: ...ar eyes ears and head protection Emergency stop Fuel and oil mixture Finger Severing Carburetor adjustment Low speed mixture Safety Alert Avoid all power lines This unit is not insulated againstelectrical current Do not operate closer than 15 M 50 ft from electrical hazards Keepbystanders atleast15meters 50feet away Planretreatpath from falling objects Wear hand protection Use two handed DO NOT sm...

Page 5: ...ank Leaks can occur Return unused fuel to an approved fuel storage container Guide Bar and Saw Chain WARNING 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...

Page 6: ...ner Face Head Protection When trimming overhead always wear head protection meeting ANSI Z89 1 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 Protecti...

Page 7: ...azards 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 This unit is not insulated against electrical current Oper...

Page 8: ...Power Pruner firmly with both hands with thumbs and fingers encircling the front and rear handles Be aware of the down and outward path the pruner will take after the cut is made 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 acti...

Page 9: ...petitive 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 AnextremeRSIconditionisCarpalTunnelSyndrome CTS which could occur when your wrist swells and sq...

Page 10: ...for missing parts IMPORTANT ENGINE INFORMATION ENGINE FAMILY TEH021UB24RA DISPLACEMENT 21 2cc THIS ENGINE MEETS U S EPA PHI AND 1995 1999 CALIFORNIA EMISSION REGULATIONS FOR ULGE ENGINES REFER TO OWNER S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS CONTENTS LIST __ Power Head Shaft Tube Cutting Attachment Assembly __ PlasticBag __ Operator s Manual __ Safety Manual __ How to Prune Manual ...

Page 11: ...POWER PRUNER OPERATOR S MANUAL 11 1 2 11 3 4 5 6 7 8 9 10 12 20 21 14 15 16 17 18 19 22 23 13 ...

Page 12: ...ects arm from hot engine 13 SPARKPLUG Providessparktoignitefuelmixture 14 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 15 MUFFLER SPARKARRESTER Themufflercontrolstheexhaustnoisewhilethesparkarrestorpreventshot glowing particles of carbon from leav...

Page 13: ...ignition Spark Plug NGK BPM 7A Gap 0 65 mm 0 026 in NGK BPM 7Y Gap 0 65 mm 0 026 in Fuel Mixed Gasoline and Two stroke Oil Fuel Oil Ratio 50 1 ECHO High Performance two stroke air cooled engine oil Gasoline 89 Octane unleaded DO NOT use fuel containing methyl alcohol more than 10 ethyl alcohol or 15 MTBE Oil 50 1 ECHO High Performance two stroke air cooled engine oil Fuel Tank Capacity 0 4 lit 14 ...

Page 14: ...on cutting attachment using the T 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 nuts firmly 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 Ke...

Page 15: ... or serious personal injury may result Use an approved fuel container DONOTsmokenearfuel 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 Secu...

Page 16: ... and saw chain oil NOTE The discharge volume of the automatic oiler is preset to deliver 3 to 4 cc min at normal operating RPM During heavy or dry cutting conditions the oil discharge volume may be adjusted to assure adequate lubrication Refill the oil reservoir with each tank of fuel IMPORTANT To prevent plastic deterioration do not use synthetic or silicone based oil ADJUSTING AUTOMATIC OILER To...

Page 17: ...ttached and the saw chain is correctly tensioned on the guide bar Dull loose or damaged saw chain should not be used Refer to page 28 for correct Filing Saw Chain procedure 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 Review the area to be trimmed Look for hazards that could cont...

Page 18: ...y become very hot too hot to touch Avoid contact during and immediately after operation Grip Power Pruner with both hands with thumbs and fingers encircling the front and rear handles STARTING COLD ENGINE WARNING DANGER The cutting attachment should not move at idle If cutting attach ment moves readjust carburetor according to Carburetor Adjust ment instructions in this manual or see your ECHO Dea...

Page 19: ... to increase engine RPM to operating speed STARTING WARM ENGINE WARNING DANGER The cutting attachment should not move at idle If cutting attach ment moves readjust carburetor according to Carburetor Adjust ment instructions in this manual or see your ECHO Dealer otherwise serious personal injury may result 1 Stop Switch Start Run Move Stop Switch button A forward away from the STOP position 2 Star...

Page 20: ... slightly farther out on limb 3 Flush cut stub at trunk DO NOT use for felling or bucking MAINTENANCE Your ECHO Power Pruner 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 dealer for maintenance To help you decide ...

Page 21: ...f f u M e c a l p e R t c e p s n I 2 R I n o i s s i m s n a r T r e w o P t f a h S l i O n a e l C t c e p s n I 2 1 I I r a B e d i u G e t a c i r b u L n a e l C t c e p s n I 2 C I I n i a h C w a S e c a l p e R n e p r a h S t c e p s n I e t a c i r b u L 2 R I I e p o R r e t r a t S l i o c e R n a e l C t c e p s n I 1 R I g u l P k r a p S n a e l C t c e p s n I 2 C I R s t l o B s ...

Page 22: ...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 Level1 Tools Required 203 254 mm 8 10in length of wire with one end bent into a hook Clean rag funnel and an approved fuel container Parts Required REPOWER FiltrationKitP N90008 WARNING DANGER FuelisVERYflammab...

Page 23: ...ntain 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...

Page 24: ...equired Screwdriver Soft metal brush 3 mm hex wrench Parts Required ScreenP N14586240630 GasketLidP N14586642031 1 Remove engine cover A See Cleaning Cooling System pages 23 24 for step by step instructions 2 Place piston at Top Dead Center TDC to prevent carbon dirt fromenteringcylinder 3 Remove spark arrestor screen cover B screen holder C gasket D and screen E from muffler body 4 Clean carbon d...

Page 25: ...tinue adjusting until smooth acceleration results 6 Check HI A 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 available idle speed should be set to the specification found on page 13 Specifications of this manual WARNING DANGER When carburetor adjustment i...

Page 26: ...ghtly seated IMPORTANT DO NOT over tighten needles Forcing them to tighten will damage the carburetor 2 Turn needles out CCW PPSR 2122LO B 1 3 8turns HI A 1 7 8turns PPSR 2433LO B 2 1 2turns HI A 2 1 4turns 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...

Page 27: ... injury may result B C GUIDE BAR AND SAW CHAIN REPLACEMENT Guide Bar Replacement Installation Level3 ToolsRequired 10x19mm 13 32x3 4in T Wrench Remove two 2 10 mm 13 32 in guide bar nuts 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...

Page 28: ...d 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 025 slot and end against front cutter raker File cutter raker with flat file until flush with top of depth gauge 5 Finish cutter sharpening by rounding front raker edge C with flat file 6 Prop...

Page 29: ...o spark at end of plug wire Stop switch off Electrical problem Interlock switch Turn switch on See your ECHO dealer See your ECHO dealer Spark at plug No spark at plug Spark gap incorrect Covered with carbon Fouled with fuel Spark plug defective Adjust 0 65mm 0 026in Clean or replace Clean or replace Replace plug Engine does not crank Internal engine problem See your ECHO dealer Engine runs Dies o...

Page 30: ...ion 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 7 cc 1 4 oz 1 2 tablespoon 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 starte...

Page 31: ...POWER PRUNER OPERATOR S MANUAL 31 NOTES ...

Page 32: ...ct you may call the ECHO ConsumerProductSupportDepartmentat1 800 673 1558from8 00am to 5 00 pm Central Standard Time Monday through Friday Before calling please know the model and serial number of your unit to help your Consumer Product Support Representative WARRANTY CARD This card is our means of registering all original owners of ECHO equipment The card plus proof of purchase provides you the a...

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