Shindaiwa DH254 Owner's Manual download pdf (Page 14)

Every 10 to 15 hours of operation:

Remove and clean the spark plug. ■

Adjust the spark plug electrode gap to

0.6 mm (0.024 in). If the spark plug

must be replaced, use only an NGK

CMR5H or equivalent resistor type

spark plug of the correct heat range.

See Figure 17.

CAUTION!

Before removing the spark plug,

clean the area around the plug to

prevent dirt and debris from getting

into the engine’s internal parts.

Clean the spark plug

and check the gap at

the electrode.

10/15-Hour Maintenance

0.6 mm

(0.024 in)

Figure 17

NOTE:

The NGK CMR5H also meets the require-

ments for electro magnetic compliance

(EMC).

Remove and clean the cylinder cover and clean grass and dirt from the cylinder ■

ns.

Every 50 hours of operation

(more often in dusty or extreme

conditions)

Clean

Debris

Hooked

Wire

Figure 18

50-Hour Maintenance

Filter Element

Figure 19

CAUTION!

Make sure you do not pierce the fuel line with the end of the hooked wire. The

line is delicate and can be damaged easily.

Use a wire hook to extract the fuel lter from inside the fuel tank. (Figure 19).

■

Inspect the fuel lter element. If it shows signs of contamination from debris,

replace it with a genuine Shindaiwa replacement fuel lter element. Before

reinstalling the lter, inspect the fuel line. If you discover damage or deterio-

ration, the unit should be removed from service unitl it can be inspected by a

Shindaiwa-trained service technician.

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Shindaiwa DH254 Owner's Manual Page 14

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