Shindaiwa X7502801100, AHS242ef manual Hour Maintenance

Page 18

Maintenance (continued)

135 Hour Maintenance

Engine Cover

Screws

Engine Cover

Muffler Cover

Muffler

Cover

Screw

Muffler

Muffler screws

GasketScrews

Muffler

Spark arrester

Spark arrester Outlet

gasket

screen

cover

Muffler and spark arrester maintenance

If the engine becomes sluggish and low on power, check and clean the spark arrester screen.

WARNING!

Never operate the unit with

a damaged or missing muffler or

spark arrester! Operating with a missing or damaged spark arrester

is a fire hazard and could also dam-

age your hearing.

1.Remove the spark plug boot.

2.With a 3 mm hex wrench remove the one muffler cover screw, three en- gine cover screws, the engine cover and muffler cover.

3.With a cross-head screwdirver remove the five screws holding the spark arrester screen and cover to the muffler.

4.Remove the screen and clean it with a stiff bristle brush.

5.With a 4 mm hex wrench remove the three muffler bolts and the muffler.

6.Inspect the cylinder exhaust port for any carbon buildup.

7.Gently tap the muffler on a wood surface to dislodge any loose car- bon.

8.Reassemble the spark arrester, muf- fler and engine cover in the reverse order of disassembly.

IMPORTANT!

If you note excessive carbon buildup, con- sult with an authorized Shindaiwa servicing dealer.

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Contents AHS242 Articulated Hedge Trimmer Contents IntroductionSafety and Operational Labels SafetyOperating Precautions Safety Equipment and Labels Tion labels are undamaged and readableOperator Safety Product DescriptionSpecifications Emission Control Exhaust & EvaporativeAssembly Prior To AssemblyAdjusting the Hedge Trimmer Cutter Assembly Travel limiter and adjustment range Adjusting cutter assembly for storage or transportationThrottle lever free play Mixing Fuel Fuel RequirementsFilling the Fuel Tank Starting the EngineOpen If the engine does not start When the Engine StartsChecking Unit Condition Starting a flooded engineBefore trimming General maintenanceSafe Operation Working PositionMaintenance Daily MaintenanceHour maintenance More frequently in dusty conditions Cover.CAUTIONGearcase lubrication Remove and replace the fuel filter element Hour Maintenance Idle Speed Adjustment Carburetor Adjustment Engine Break-InAdjusting Engine Idle Long Term StorageTroubleshooting Guide Engine is knocking Poor acceleration Engine stops abruptlyExceptions Purchased Repair Parts and Accessories 01/2010 Page Page Servicing Information Parts/Serial Number