Shindaiwa X7502864301, DH254 manual Throttle Cable Free Play, Hour Maintenance

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Throttle Cable Free Play

If the unit does not return to idle speed or doesen't reach full rpm, the throttle trigger free play may need to be adjusted as follows:

1.Measure free play at the end of the throttle trigger. Throttle trigger free play should be approximately 5-7 mm (0.2-0.275"). See Figure 14.

2.If adjustment is necessary, remove the air cleaner cover by loosening the two thumbscrews. Turn the cable adjustment fitting in or out until throttle trigger free play is approximately 5-7 mm (0.2-0.275").

3.Replace the air cleaner cover, and tighten the cover retaining screws securely.

ThrottleTrigger

Free Play

5-7mm

(0.2-0.275")

Figure 14

Figure 15

Cable

Adjuster

10-Hour Maintenance

(more frequently in dusty conditions)

1.Remove the air cleaner cover by loosening the two thumbscrews. See Figure 16A.

2.Remove and inspect the pre-filter. If the pre-filter is torn or otherwise damaged, replace it with a new one. See Figure 16B.

3.Clean the pre-filter with soap and water. Let dry before reinstalling.

4.Inspect the air cleaner element. If the element is damaged or distorted, replace it with a new one.

5.Tap filter gently on a hard surface to dislodge debris from element or use compressed air from the inside to blow debris out and away from the air filter element.

IMPORTANT!

Direct the air stream at the inside face of the filter only!

6. Install the filter element, pre-filter and cover in the reverse order of removal.

CAUTION!

Never operate the unit if the air cleaner assembly is damaged or missing!

Figure 16 A

Pre-

Filter Filter

Element

Air Cleaner

Cover

Figure 16 B

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Contents
DH254 Hedge Trimmer Introduction ContentsWork Safely General Safety InstructionsStay Alert Minimize the Risk of FireOperating Precautions Specifications Safety Equipment and LabelsUnit Description Emission Control Exhaust & EvaporativePrior to use Blade Stiffener Removal AssemblyMixing Fuel Install Blade StiffenerFilling the Fuel Tank Handling FuelAfter use Minimize the Risk of FireCranking the Engine Starting ProcedureRecoil starter can be easily damaged by abuse Starting a Flooded Engine When the motor startsStopping the Engine If the Engine Does Not StartDaily Maintenance/Inspection Maintenance and AdjustmentsAir Filter Throttle Cable Free Play Hour MaintenanceMore frequently in dusty conditions Every 10 to 15 hours of operation 10/15-Hour MaintenanceGearcase Lubrication Hour or Annual MaintenanceBlades Every 20 HoursValve Adjustment Carburetor Adjustment Spark Arrester Screen MaintenanceLong Term Storage Idle Speed AdjustmentPossible Cause Troubleshooting GuideIs the engine overheating? Symptom Possible Cause Remedy Exceptions Purchased Repair Parts and Accessories 99922201033 Page Page Page Parts/Serial Number Servicing Information