Ryobi 768r manual Troubleshooting, U S E, T I O N

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TROUBLESHOOTING

ENGINE WILL NOT START

C A U S E

Ignition switch is OFF

Empty gas tank

Primer bulb wasn't pressed enough Engine flooded

Old or improperly mixed fuel Fouled spark plug

A C T I O N

Turn switch to ON

Fill fuel tank

Press primer bulb fully and slowly 5-7 times

Use starting procedure with choke lever in the RUN position, Pg. 13

Drain fuel tank / Add fresh fuel mixture Replace or clean the spark plug

ENGINE WILL NOT IDLE

C A U S E

Air Filter is Plugged

Old or improperly mixed fuel

Improper carburetor adjustment

ENGINE WILL NOT ACCELERATE

C A U S E

Old or improperly mixed fuel

Improper carburetor adjustment

Cutting head bound with grass

Dirty air filter

A C T I O N

Replace or clean the air filter

Drain gas tank / Add fresh fuel mixture Adjust per instruction Pg. 19

A C T I O N

Drain gas tank / Add fresh fuel mixture

Take to an authorized service dealer for carburetor adjustment

Stop the engine and clean the cutting attachment Clean or replace the air filter

ENGINE LACKS POWER OR STALLS WHEN CUTTING

C A U S E

Old or improperly mixed fuel Improper carburetor adjustment

A C T I O N

Drain gas tank / Add fresh fuel mixture

Take to an authorized service dealer for carburetor adjustment

CUTTING ATTACHMENT WILL NOT ADVANCE LINE

C A U S E

Cutting head bound with grass Cutting head out of line Inner reel bound up

Cutting head dirty

Line welded

Line twisted when refilled Not enough line is exposed

A C T I O N

Stop the engine and clean cutting attachment Refill with new line

Replace the inner reel

Clean inner reel and outer spool

Disassemble, remove the welded section and rewind the line

Disassemble and rewind the line

Push the Bump Knob and pull out line until 4 in. (102 mm.) of line is outside of the cutting attachment

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Contents OPERATOR’S Manual Introduction Table of ContentsSpark Arrestor California Emission RegulationsSafety Warnings for GAS Trimmers Symbol MeaningRules for Safe Operation Read ALL Instructions Before OperatingFlail Head Safety Other Safety WarningsSave These Instruction Symbol Meaning Safety Alert Symbol Safety and International SymbolsFor Service INFORMATION, Call Unleaded FuelHOT Surface Warning Sharp Blade Choke ControlKeep Hands Away from Blades Know Your Unit Installing the Harness Assembly InstructionsAssembling the Flail Head Flail Head PartsRemoving the Cutting Attachment Installing the Flail HeadRemoving the Flail Head Installing the Cutting AttachmentOIL and Fuel Mixing Instructions OIL and Fuel InformationSTARTING/STOPPING Instructions Starting InstructionsStopping Instructions Operating Instructions Adjusting Trimming Line LengthHolding the Trimmer Tips for Best Trimming ResultsMaintenance Schedule Maintenance and Repair InstructionsFrequency Maintenance Required Refer to Decorative TrimmingWinding the Existing Inner Reel Line InstallationInstalling a Prewound Reel AIR Filter Maintenance Cleaning the Air FilterRemoving the Air Filter/Muffler Cover Reinstalling the Airfilter/Muffler Cover Carburetor AdjustmentClean Air Filter Adjust Idle Speed ScrewCleaning and Storage Troubleshooting U S ET I O N Engine SpecificationsManufacturers Warranty Coverage Owners Warranty Responsibilities11/98 REV. a