Shindaiwa 63848-94010, AH231 specifications Hour Maintenance, Servicing the fuel filter

50-Hour Maintenance

Every 50 hours of operation (more frequently in dusty or dirty conditions):

■Remove and clean the cylinder cover and clean dirt and debris from the cylinder cooling fins.

■Lubricate the gearcase. To perform this operation, first remove the gearcase from the outer tube as follows (Figure 28.):

	Gearcase
Outer Tube	Clamp Bolt

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Gearcase

	Gearcase
	Grease
Figure 29	Fitting

Servicing the fuel filter

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 hooked wire to extract the

Assembly; AH231

Black Wire

Spark Plug

Wire

ASSEMBLY

Figure 28

Index Bolt

fuel filter from inside the fuel tank

(Figure 30). Inspect the fuel filter

CAUTION!

Do not remove the D-shaped shim washer from the gearcase clamp! The shim washer prevents damage from overtightening the

element. If it shows signs of

contamination from debris, replace

it with a genuine Shindaiwa replace-

ment fuel filter element. Before

reinstalling the filter, inspect the

Black Wire

Connector

Figure 10

Assemble and Adjust the Throttle Cable.

MAINTENANCE

tube clamp screw.

a.Loosen the gearcase clamp bolt.

b.Remove the index bolt from the gearcase.

c.Slide the gearcase out of the tube.

Using a grease gun, pump lithium- base grease (about 10 grams) into the grease fitting on the gearcase until you see old grease being purged from the gearcase (Figure 29). Purged grease will be visible in the outer tube cavity. Clean up excess grease, then reassemble the gearcase onto the outer tube. Make sure the index bolt fits into the hole on the outer tube. Securely tighten both bolts.

fuel line. If you discover damage or

deterioration, the unit should be

removed from service until it can be

inspected by a Shindaiwa-trained

service technician.

Hooked

Wire

Filter Element

Figure 30

1.Insert the throttle-cable housing into the notch on the fan cover, and clamp the black wire’s connector between the fan cover and the cable outer adjuster nut as shown.

2.Tighten the two throttle cable adjuster nuts.

IMPORTANT!

Adjust and tighten the cable nuts to allow approximately 1/4-inch freeplay at the throttle trigger.

3.Using finger pressure only, connect the black switch wire from the cable tube to the red ignition wire on the powerhead. Wire routing must be as shown in the illustration with the black wire located over the spark plug wire.

4.Reinstall the cylinder cover and tighten the three cover screws.

5.Reinstall the spark plug boot.

CAUTION!

Wiring routing must not interfere with throttle operation.

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