Shindaiwa EB3410/EVC Manuel de l'opérateur télécharger pdf (Page 11)

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n INSPECTION Inspect the entire blower

and tubes for damage, including loose

or missing components, and repair as

necessary.

n SPARK PLUG Replace the spark plug

with a NGK CMR5H (or equivalent),

gapped to 0.6mm (0.024 in.).

n FUEL FILTER Use a hooked wire to

extract the fuel ﬁlter from inside the fuel

tank. See Figure 15.

CAUTION!

Make sure you do not pierce the fuel

line with the end of the hooked wire.

The line is delicate and can be dam-

aged easily.

(more frequently if reduced

performance is noted)

n Inspect the ﬁlter element for signs of

contamination from debris. A contami-

nated fuel ﬁlter should be replaced with

a new Shindaiwa replacement element.

Before reinstalling the ﬁlter, inspect the

condition of the fuel line. If you note

damage or deterioration, the blower

should be removed from service until it

can be inspected by a Shindaiwa-trained

service technician.

n COOLING SYSTEM Use a wood or

plastic scraper and a soft brush to

remove dirt and debris from the cylinder

ﬁns and crankcase.

Fuel

Filter

Fuel Tank

Hooked

Wire

Every 50 Hours

Figure 15

Every 10/15 Hours

CAUTION!

Never allow dirt or debris to enter the

cylinder bore! Before removing the

spark plug, thoroughly clean the spark

plug and cylinder head area!

Allow the engine to cool before servic-

ing the spark plug! Cylinder threads

can be damaged by tightening or loos-

ening the spark plug while the engine

is hot!

0.6mm

(0.024 in.)

Clean the spark plug

and check the gap

at the electrode.

Figure 14

NGK CMR5H

Counter-

clockwise

to remove.

1. Use the spark plug wrench to remove

the spark plug. See Figure 14.

2. Clean and adjust the spark plug gap

to 0.6mm (0.024 in.). If the plug must be

replaced, use a NGK CMR5H or equiva-

lent type plug of the correct

heat range.

3. Install the spark plug ﬁnger-tight in the

cylinder head, then tighten it ﬁrmly

with the spark plug wrench. If a torque

wrench is available, torque the spark

plug to 16.7-18.6 Nm (148-165 inch-

pounds)

139/150-Hour Maintenance

n 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.

n 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 0.6mm (0.024 in.).

NOTE:

The NGK CMR5H also meets the

requirements for electro magnetic

compliance (EMC).

Maintenance after rst

139-hours, then every 150-hours

thereafter.

Valve Adjustment

1.

Remove cylinder cover, rocker arm cover,

and set piston at TDC-compression.

CAUTION!

n Performing a valve adjustment

incorrectly may cause hard starting

and/or can damage the unit. Refer

to the C-4 Service Manual for com-

plete valve adjustment procedure

and torque specications.

n If you are unfamiliar with this engine

or uncomfortable with this proce-

dure, consult with an authorized

Shindaiwa servicing dealer.

2. Loosen adjuster locknut so that the 2.5

mm Allen socket head adjustment screw

can turn freely.

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