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16

Engine operation

Engine operation

Starting the engine

Starting a cold engine

Œ

Recoil starter:  Use short pulls - only 1/2-2/3 of rope length for 
starting.  Do not allow the rope to snap back in.  Always hold 
the unit firmly.

1. 

Throttle Position / Stop Switch Button

Slide Throttle Position / Stop Switch Button back to idle posi-
tion (first detent away from stop position). 

2. 

Choke

Move choke lever to 

 position.

3. 

Purge Bulb

Pump purge bulb until fuel is visible and flows freely in the
clear fuel tank return line.

4. 

Recoil Starter

Pull recoil starter handle until engine fires, or maximum 5
pulls.

5. 

Choke

Move choke lever to 

 position and if necessary, restart en-

gine.

 WARNING



When starting the engine, observe the precautions described from Page 4 in the section "For safe use of your prod-
uct" to ensure that you operate the product correctly. 

‹

Failure to observe the precautions could cause an accident or injury, or even lead to a fatality.

NOTE

Œ

Pull out the starter grip gently at first, and then more rapidly. Do not pull the starter rope out to more than 2/3 of its length. 

Œ

Do not let go of the starter grip as it returns. 

Œ

To start the engine, return the choke knob when you hear the first explosion-like sound and pull on the starter grip again. Be 
careful not to miss the first explosion-like sound. 

1. Throttle Position / Stop 

Switch Button

1. Choke

2. Purge bulb

1. Recoil starter handle

NOTE

If engine does not start after 5 pulls, repeat instructions 2-5.

NOTE

Allow engine to warm up before use.

Summary of Contents for PB-500

Page 1: ...1Top cover ENGLISH OPERATOR S MANUAL PB 500 WARNING READ THE INSTRUCTIONS CAREFULLY AND FOLLOW THE RULES FOR SAFE OPERATION FAILURE TO DO SO COULD RESULT IN SERIOUS INJURY...

Page 2: ...n a place where it is readily accessible If you have lost your manual or it is damaged and no longer readable please purchase a new one from your ECHO DEALER The units used in this manual are SI units...

Page 3: ...g the product 9 Packing list 12 Description 13 Before you start 14 Assembly 14 Preparing the fuel 15 Engine operation 16 Starting the engine 16 Stopping the engine 18 Operation 19 Operating blower 19...

Page 4: ...UTION This symbol accompanied by the word DANGER calls attentions to an act or a condition which will lead to serious personal injury or death of op erators and bystanders This symbol accompanied by t...

Page 5: ...tart Position Choke Closed Beware of fire Choke Control Run Position Choke Open Beware of electric shocks Idle speed Guaranteed sound power lev el Fast speed Ignition ON OFF Beware of high temperature...

Page 6: ...rstand what the decal means before using your product If the decal becomes unreadable due to wear and tear or damage or peels off and is lost please purchase a replacement decal from your ECHO DEALER...

Page 7: ...precautions when refuelling Do not add so much fuel that it reaches the mouth of the fuel tank Keep the fuel within the prescribed level up to the shoulder level of the fuel tank Mop up any fuel that...

Page 8: ...high voltage component while the product is running Put safety first in the case of fire or smoke If fire comes from the engine or smoke appears from any area other than the exhaust vent first distanc...

Page 9: ...se the product unless it has been checked and maintained You must not use the product unless it has been checked and maintained Always ensure that the prod uct is checked and maintained on a regular b...

Page 10: ...king Leaving the place where you have been working Failure to observe these precautions could cause burns or serious injury When transporting the product by car empty the fuel tank put the product in...

Page 11: ...or mal vibration or sounds Contact your ECHO DEALER for repair Continuing to use parts when they are damaged could lead to an accident or serious injury WARNING Wear protective gear Wear appropriate w...

Page 12: ...ed the box please check the parts that it contains Contact your ECHO DEALER if anything is missing or broken Number Part name Quantity Number Part name Quantity 1 Power Head 1 6 Clamps w screws 2 2 Fl...

Page 13: ...nd flows freely in the clear fuel tank return line Pump purge bulb an additional 4 or 5 times 8 Fuel tank Contains fuel and fuel filter 9 Fuel tank cap Covers and seals fuel tank 10 Shoulder harness U...

Page 14: ...clockwise engaging positive locking chan nels until connection is firm Do not force connection 9 Assemble curved pipe to straight pipe as in step 9 WARNING Read the operator s manual carefully to ensu...

Page 15: ...and the outside air When refuelling loosen the fuel tank cap slightly to eliminate the difference in pressure Always wipe up any fuel spills Move at least 3m away from where you refueled before you s...

Page 16: ...restart en gine WARNING When starting the engine observe the precautions described from Page 4 in the section For safe use of your prod uct to ensure that you operate the product correctly Failure to...

Page 17: ...The starting procedure is the same as Cold Start except DO NOT close the choke 1 Throttle Position Stop Switch Button Slide Throttle Position Stop Switch Button back to idle posi tion first detent awa...

Page 18: ...shutting off en gine 2 Throttle Position Stop Switch Button Move Throttle Position Stop Switch Button all the way for ward to Stop position 1 Throttle Position Stop Switch Button WARNING If engine do...

Page 19: ...driveway street parking lot or stadi um 7 Always stop unit using stop engine procedure WARNING Always wear safety glasses hearing protection face filter mask and take all safety precautions or serious...

Page 20: ...sealing edges are deformed 4 If filter can be reused be certain it Fits tightly in the air filter cavity Is installed with the original side out 5 Install air filter cover Area Maintenance Page Before...

Page 21: ...le for one minute 2 Complete warm up by running at full throttle for 5 minutes operating choke twice to clear air from carburetor chambers 3 Check idle speed and reset if necessary If a tachometer is...

Page 22: ...uired Spark arrester screen Gasket IMPORTANT To maintain proper engine operating temperature cooling air must pass freely through the cylinder fin area This flow of air car ries combustion heat away f...

Page 23: ...stall engine cover Check spark plug Tools required T Wrench Feeler gauge Parts required Spark plug 1 Check plug gap Correct gap is 0 6 mm to 0 7 mm 2 Inspect electrode for wear 3 Inspect insulator for...

Page 24: ...sult your ECHO DEALER Engine starts but no accel eration is pos sible Dirty air filter Dirty fuel filter Blocked fuel passage Carburettor adjustment problem Spark plug problem Blocked exhaust vent or...

Page 25: ...tion the silencer catalytic silencer and surrounding cover become hot Always keep exhaust area clear of flammable debris during transportation or when storing otherwise serious property damage or pers...

Page 26: ...stroke single cylinder 50 8 1 87 7000 7000 2550 Diaphragm type Flywheel magneto CDI system NGK BPMR8Y Automatic recoil system Air Volume with curved pipe m3 min 11 5 Fuel Oil Regular grade petrol Min...

Page 27: ...f Directive 2004 108 EC use of harmonized standard EN ISO 14982 the requirements of Directive 2002 88 EC the requirements of Directive 2000 14 EC Conformity assessment procedure followed ANNEX V Measu...

Page 28: ...28 X750 011 91 0 X750 520 020 0 1Notes and rear cover 7 2 SUEHIROCHO 1 CHOME OHME TOKYO 198 8711 JAPAN PHONE 81 428 32 6118 FAX 81 428 32 6145 2008...

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