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Echo PB-250LN Exhaust System, Cleaning Cylinder Fins, Spark Arrestor Screen, Maintenance, Level

Models: PB-250LN

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Cleaning Cylinder Fins

MAINTENANCE	PB-250LN

Cleaning Cylinder Fins

1.Remove spark plug lead from spark plug, and remove engine cover.

2.Clean cylinder fins to allow cooling air to pass freely.

3.Reassemble parts in reverse order.

Exhaust System

Spark Arrestor Screen

Level 2.

Parts Required: Spark Arrestor Screen, Gasket

Carbon deposits in muffler will cause a drop in engine output and overheating. Spark arrestor screen must

be checked periodically.

1.Remove spark plug lead from spark plug, and remove engine cover.

2.Remove spark arrestor cover (A), deflector (B), plate (C), gasket (D), and spark arrestor screen (E) from muffler. Replace screen if plugged with carbon deposits.

Note: When cleaning carbon deposits, be careful not to damage the catalytic element inside muffler.

3.Clean carbon deposits from muffler components.

4.Install spark arrestor screen, gasket, plate, deflector, and cover.

5.Loosely reassemble engine cover.

6.Tighten all screws securely.

7.Attach spark plug lead.

Exhaust Port Cleaning

Level 2.

E D

C

B

B

A

Parts Required: As needed: Heat Shield

1.Remove spark plug lead from spark plug, and remove engine cover.

2.Place piston at top dead center. Remove muffler (A) and heat shield (B).

3.Use a wood or plastic scraping tool to clean deposits from cylinder exhaust port.

A

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© 3/2013 ECHO Inc.

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Echo PB-250LN Exhaust System, Cleaning Cylinder Fins, Spark Arrestor Screen, Exhaust Port Cleaning, Maintenance, Level

Contents

PB-250LN Power Blower Burn HazardOperator’s Manual TABLE OF CONTENTS TABLE OF CONTENTSPB-250LN Additional or Replacement Manuals ServiceWarranty Registration INTRODUCTIONManual Safety Symbols and Important Information SAFETYSAFETY International SymbolsPhysical Condition Personal Condition and Safety EquipmentSAFETY Eye ProtectionSAFETY Vibration and ColdRepetitive Stress Injuries PB-250LNClear the Work Area EquipmentRead the Manual Keep a Firm GripSAFETY EPA 2010 and Later and/or C.A.R.B. TIERProduct Emission Durability Emission Compliance Period PB-250LNHot Decal DESCRIPTIONDESCRIPTION Sound LabelPB-250LN DESCRIPTION3. SPARK PLUG - Provides spark to ignite fuel mixture CONTENTS CONTENTSPB-250LN Install Blower Pipes ASSEMBLYASSEMBLY PB-250LNOPERATION OPERATIONRemove Blower Pipes PB-250LNFuel Requirements OPERATIONFuel Handling FuelAfter use 1. Stop SwitchStarting Cold Engine 2. Throttle Position Lever5. Recoil Starter Starting Warm Engine4. Purge Bulb 6. ChokeOperating Blower 2. Stop SwitchStopping Engine 4. Recoil StarterOPERATION Read the Safety Section carefullyPB-250LN MAINTENANCE MAINTENANCEMaintenance Intervals MAINTENANCE PROCEDURE NOTESFuel Filter MAINTENANCEAir Filter LevelCooling System Cleaning GrillSpark Plug MAINTENANCEExhaust System Cleaning Cylinder FinsExhaust Port Cleaning Spark Arrestor ScreenHigh Altitude Operation Carburetor AdjustmentEngine Break-In MAINTENANCEMAINTENANCE PB-250LNTROUBLESHOOTING TROUBLESHOOTINGPB-250LN Long Term Storage Over 30 Days STORAGESTORAGE PB-250LNPB-250LN SPECIFICATIONSSPECIFICATIONS MODELECHO LIMITED WARRANTY STATEMENT FOR WARRANTY STATEMENTSWARRANTY STATEMENTS PRODUCT WARRANTY PERIOD RESIDENTIAL APPLICATIONATTENTION TWO-STROKE ENGINE POWER PRODUCT OWNERS WARRANTY STATEMENTSPURCHASED REPAIR PARTS, SHORT BLOCKS AND ACCESSORIES THIS WARRANTY DOES NOT COVER DAMAGE CAUSED BYPB-250LN 3/2013 ECHO IncPB-250LN 3/2013 ECHO IncP34712001001/P34712999999 P40212001001/P40212999999 P34811001001/P34811999999 P38211001001/P38211999999P39926001001/P39926999999