Dolmar MH-2556 instruction manual Blade adjustments

Models: MH-2556

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Blade adjustments

Blade adjustments

Extended use of the pole hedge trimmer will gradually wear down the blades. Readjust the blades if cutting performance deteriorates noticeably. For adjustment of the blades follow the instructions below.

1.Release nut ￿.

2.Tighten screw ￿ lightly until resistance is felt. Then turn the screw in the opposite direction for a quarter or half turn.

3.Hold screw ￿ in place with a screwdriver and tighten nut ￿.

4.After adjustment lubricate the blades with a thin film of light oil.

5.Start the engine and pull the throttle lever several times to set the blades in motion. Continue for approx. one minute.

6.Stop the engine and wait until the blades come to a standstill. Cautiously touch the blades with your bare hand. Adjustment is correct if the blades are warm, but not too hot to touch. If the blades are too hot to be touched, release screw ￿ for another quarter to half a turn and repeat steps 5~6 to confirm proper adjustment.

NOTE: Always stop the engine and remove the spark plug cap before adjusting the blades!

The blades have grooves around the truss screws ￿. Always keep these grooves clean so that they can be inspected for possible damage.

 

￿

 

 

￿Hexagonal U-nut

￿

 

 

 

￿

 

 

 

￿Truss screw

 

 

 

 

 

 

 

￿ Flat washer

￿

 

 

 

￿Blunt extension

 

 

 

 

 

 

￿

 

 

 

 

￿Blade guide

￿

￿

 

￿Upper blade

￿Lower blade

Cleaning the air cleaner - Every 8 hours (daily)

-Remove the air cleaner cover.

-Remove the sponge element. Wash the sponge element in lukewarm water and allow to dry completely.

-Replace the cleaned and dried sponge element and then replace the air cleaner cover.

Note: Clean the air cleaner on a daily basis. A clogged air cleaner may make it difficult or impossible to start and/or accelerate the engine.

Screw

Checking the spark plug - Every 8 hours (daily)

-Only use the universal wrench provided to remove and replace the spark plug.

-The spark plug gap should be 0.6~0.7 mm. Adjust the spark plug gap if it is too wide or too narrow. Clean or replace the spark plug if contaminated and/or clogged with carbon residue. Always replace with the same type of spark plug.

Element

Air cleaner cover

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Dolmar MH-2556 instruction manual Blade adjustments