Shindaiwa GP344, Owner'S/Operator'S Manual

11

10-hour Maintenance

Loosen 

thumbscrews

Figure 13A

(more frequently in dusty conditions)

Remove the air filter cover by loos

-

1. 

ening the two thumbscrews. See 

Figure 13A.

Remove and inspect the pre-filter. 

2. 

If the pre-filter is torn or otherwise 

damaged, replace it with a new 

one. See Figure 13B.

Clean the pre-filter with soap and 

3. 

water. Let dry before reinstalling.

Inspect the air filter element. If the 

4. 

element is damaged or distorted, 

replace it with a new one.

Tap filter gently on a hard surface to 

5. 

dislodge debris from element or use 

compressed air from the inside to 

blow debris out and away from the air 

filter element.

Filter

Element

Pre-filter

 CAUTION!

Never operate the unit if the air filter 

assembly is damaged or missing!

IMPORTANT!

Direct the air stream at the inside face 

of the filter only!

Figure 13B

Install the filter element, pre-filter 

6. 

and cover in the reverse order of 

removal.

Every 10 to 15 hours of operation:

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 inch)

Figure 14

NOTE:

The NGK CMR5H also meets the 

requirements for electro magnetic 

compliance (EMC).

Remove and clean the spark plug. 

■

Adjust the spark plug electrode gap 

to 0.6 mm (0.024 inch). 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 14.

Maintenance 

(continued)