Shindaiwa DH254 Owner's Manual download pdf (Page 15)

HT2510_20

Gearcase Lubrication

VIEWED FROM THE BOTTOM

Gearcase Grease Fitting

CAUTION!

Over-lubricating may cause the ■

gearcase to run slower than normal,

and may also cause leakage from

excess grease.

Every 20 Hours

Figure 21

VIEWED FROM

THE BOTTOM

Gearcase

Cover

Figure 20

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)

Blades

Standard blades require no periodic adjustments. Make sure all blade shoulder bolts

are tight and in good condition.

Clean blades and apply a light coating of oil to all metal surfaces. Vegetable

■

oils may be used to protect sensitive plants from spotting.

Locknut

Cutters

Socket Head

Shoulder Bolt

Plate

Guide Bar

Figure 22

Spacer

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 ap-

proximately 40–50 grams of high quality

lithium-based grease (50–70% of capac-

ity). DO NOT OVERFILL!

135-Hour or Annual Maintenance

NOTE:

The NGK CMR5H also meets the requirements for electro magnetic compliance (EMC).

CAUTION!

Performing a valve adjustment incorrectly may cause hard starting and/or can damage the unit. Refer to the Service ■

Manual for complete valve adjustment procedure and torque specications.

If you are unfamiliar with this engine or uncomfortable with this procedure, Consult with an authorized Shindaiwa servic-

■

ing dealer.

Combustion chamber should be decar

■ bonized, and the valve clearance should be adjusted. It is highly recommended

that this is done by a Shindaiwa-trained service technician.

Replace the spark plug annually: Use only NGK CMR5H or equivalent resistor type spark plug of the correct heat range.

■

Set spark plug electrode gap to 0.6 mm.

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Shindaiwa DH254 Owner's Manual Page 15

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