Shindaiwa DH231 more frequently in dusty conditions, 10 - 15 hour maintenance, Every 20 hours

Maintenance (continued)

10 - hour maintenance

(more frequently in dusty conditions)

1.Remove the air filter element, and wash the element in clean, neutral solvent or warm soapy water. Rinse the element thoroughly, and then squeeze dry before reassembly.

CAUTION!

Never operate the unit if the air filter

assembly is damaged or missing or

if the air filter element is soaked with

water!

10 - 15 hour maintenance

Remove and clean the spark plug.

Adjust the spark plug electrode gap to 0.024 inch (0.6 mm). If the spark plug must be replaced, use only the spark

plug recommended on the Specifica-

tions section or an equivalent resis- tor type spark plug of the correct heat range.

Every 20 and 100 hours

Gearcase lubrication

Air filter element

Air filter cover

Clean air filter

CAUTION!
Before removing the spark plug,	0.6 mm
clean the area around the plug to	(0.024 inch )
prevent dirt and debris from getting
into the engine’s internal parts. .
	Remove the spark plug and adjust the
	gap at the electrode

CAUTION!

■■Over-lubricating may cause the gearcase to run slower than nor- mal, and may also cause leak- age from excess grease.

■■Do not remove the Conrods from the cutters. Conrod bearings can be lost or damaged if disturbed.

Every 20 hours

Top off gearcase grease level by using a lever-type grease gun to force 1–2 strokes of high quality lithium-based grease through the gearcase grease

fitting.

Every 100 hours

(or before long-term storage)

Remove the gearcase cover, and use solvent and a soft brush to remove all old grease from the gearcase. To refill, hand-pack the gearcase with approxi- mately 40–50 grams of high quality lith- ium-based grease (50–70% of capac- ity). DO NOT OVERFILL!

Grease fitting
BOTTOM
VIEW	DO NOT REMOVE
	CONRODS
	BOTTOM VIEW
	Gearcase cover
Hex screws
Gearcase lubrication

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