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AIR & FUEL SYSTEM

Air Filter Replacement (See Figs. 23-26)

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Carburetor Adjustment (See Figs. 27-33)

NOTE: The trimmer head will rotate during carburetor adjustment. Wear protective equipment and

observe all safety instructions.

Adjust the T screw with the Philips screwdriver (Fig. 27).

Use the carburetor adjustment tool to adjust the L screw (left) and H screw (right) (Fig. 28).

T screw: adjust the idle speed. To adjust the idle speed, adjust the T screw together with the L screw.

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correctly will decrease the chances of engine wear caused by dirt entering the engine (Fig. 25).

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Fig. 24

Fig. 26

Fig. 23

Air Filter Cover

Air Filter Knob

Air Filter

Fig. 25

LawnMaster NPTGSS2617A Service Manual

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