Echo PPT-280 Guide Bar and Saw Chain Replacement, Guide Bar Replacement / Installation

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PPT-280

MAINTENANCE

 

 

Guide Bar and Saw Chain Replacement

Never try to replace or adjust guide bar and saw chain with engine running. Always disconnect spark plug wire before servicing guide bar and saw chain. This saw chain is VERY sharp, wear heavy gloves to protect your hands when handling it. Wear eye protection meeting CE or ANSI specification Z87.1.

Guide Bar Replacement / Installation

Level 2.

1.Remove two (2) guide bar nuts (A) and sprocket guard screw (B), and turn saw chain tension adjustment screw (C) counterclockwise to release tension.

2.Remove sprocket guard (D).

3.Remove guide bar and saw chain from gear case and sprocket.

4.Remove chain from guide bar and check guide bar for damage and excessive or uneven wear. Replace guide bar if necessary

5.Install chain on guide bar with cutters on top of bar facing toward bar tip.

6.Install guide bar and chain on gear case, engaging chain with drive sprocket (E).

7.Turn tension adjustment screw (C) to ensure chain tension adjuster pin fits into the guide bar adjuster hole.

8.Install sprocket guard (D), and tighten guide bar nuts finger tight and install guide bar cover screw (B).

9.Adjust chain tension.

D B

C

A

E

Sprocket Guard Cleaning

1.Remove two (2) guide bar nuts (A), and unscrew sprocket guard screw (B).

2.Remove sprocket guard (D).

3.Gently brush debris from inside sprocket guard and from around sprocket.

4.Turn tension adjustment screw (C) to ensure chain tension adjuster pin fits into the guide bar adjuster hole.

5.Install sprocket guard (D), tighten guide bar nuts (A) finger tight, and fasten sprocket guard screw (B).

6.Adjust chain tension.

D B

C

A

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© 02/2014 ECHO Inc.

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Contents Burn Hazard Operator’s ManualTable of Contents Introduction IntroductionServicing Information Safety SafetyAdditional or Replacement Manuals Manual Safety Symbols and Important InformationMixture International SymbolsPersonal Condition and Safety Equipment Repetitive Stress Injuries Vibration and ColdClear the Work Area Read the ManualsUse Proper Clothing & Equipment Keep a Firm GripGuide Bar and Saw Chain KickbackEquipment Emission Control Exhaust & Evaporative Emission Control Exhaust & EvaporativeEPA 2010 and Later and/or C.A.R.B. Tier Product Emission Durability Emission Compliance PeriodDescription Description Contents Assembly AssemblyDrive Shaft/Handle Assembly Drive Shaft/Power HeadAssembly Cutting Attachment to Drive Shaft InstallationTo Adjust Saw Chain Tension Saw Chain Tension AdjustmentOperation OperationFuel Fuel RequirementsAfter use Handling FuelAutomatic Oiling System Adjusting Automatic OilerLubricating the Guide Bar and Saw Chain Purge Bulb Starting Cold EngineStopping Engine Starting Warm EnginePruning Techniques Maintenance MaintenanceMaintenance Intervals Skill LevelsFuel Filter Air FilterCooling System Spark PlugSpark Arrestor Screen Exhaust SystemExhaust Port Cleaning Carburetor AdjustmentEngine Break-In High Altitude OperationFlexible Drive Shaft MAINTENANCEPPT-280Lubrication Sprocket Guard Cleaning Guide Bar and Saw Chain ReplacementGuide Bar Replacement / Installation BAR P/N Chain P/N Chain Type Links Pitch Guage Filing Standard Saw ChainTop Plate Angle Troubleshooting TroubleshootingLong Term Storage Over 30 Days StorageStorage Specifications SpecificationsOWNER’S Responsibility Warranty StatementsPurchased Repair PARTS, Short Blocks and Accessories Warranty StatementsPPT-280 PPT-280 PPT-280 ECHO, Incorporated