Dayton 4W315A Istruzioni per gli Interventi Scaricare il pdf (Pagina 17)

FORM 5S3125

MODELS 3ZC06A AND 4W315A

03430

CLEANING THE SPARK ARRESTER

WARNING

IF THE ENGINE HAS BEEN RUNNING, THE MUF-

FLER AND THE SPARK ARRESTER WILL BE VERY

HOT. ALLOW THESE TO COOL BEFORE PROCEED-

ING.

Remove the lock nut, end cap and diffuser discs and

clean off the carbon deposits.

Clean Every three months or 100 hours operation

(or earlier if dirty)

Maintenance (Cont’d)

SPARK

AR-

RESTER

LOCK

NUT

END CAP

CLAMP

DIFFUSER

DISCS

MUFFLER

Figure 23 - Spark Arrester

CAUTION

•A clogged spark arrester hinders the flow of

exhaust gas. This reduces engine output, in-

creases fuel consumption and makes starting

difficult.

• Make sure you clean your spark arrester regu-

larly.

Note: Spark arrester is an optional part.

TIGHTEN CYLINDER HEAD BOLTS

Tightening the cylinder head bolts requires a special

tool. Don’t try it yourself. Consult your Yanmar dealer.

CHECKING THE INJECTION NOZZLE, INJECTION

PUMP, ETC.

• Adjusting the valve head clearance for the intake

and exhaust valves.

• Lapping of intake and exhaust valves.

• Replacing piston ring.

All these require special tools and skills, so consult your

Yanmar dealer.

WARNING

DO NOT PERFORM THE INJECTION NOZZLE TEST

NEAR AN OPEN FIRE OR ANY OTHER KIND OF

FIRE. THE FUEL SPRAY MAY IGNITE. DO NOT EX-

POSE BARE SKIN TO THE FUEL SPRAY. THE FUEL

MAY PENETRATE THE SKIN AND CAUSE INJURY

TO THE BODY. ALWAYS KEEP YOUR BODY AWAY

FROM THE NOZZLE.

CHECKING AND REPLENISHING BATTERY FLUID

AND CHARGING THE BATTERY (MODEL 4W315A

ONLY)

The L-engine uses the 12V battery. Batter fluid will be

lost through continuous charging and discharging.

WARNING

• The battery electrolyte contains sulfuric acid.

Protect your eyes, skin, and clothing. In case of

contact, flush thoroughly with water and get

prompt medical attention, especially if your eyes

are affected.

• Batteries generate hydrogen gas, which can be

highly explosive. Do not smoke or allow flames or

sparks near the battery, especially during charg-

ing.

Note: Much more fluid is lost during summer than in

winter.

Before starting, check for physical damage to the bat-

tery and also the electrolyte levels, and replenish with

distilled water up to the upper mark if necessary. When

actual damage is discovered, replace the battery.

Battery fluid check Monthly

WARNING

• Before charging, remove the cap from each cell

of the battery.

• Charge the battery in a place where there is plenty

of ventilation.

• Discontinue charging if the electrolyte tempera-

ture exceeds 45° C (117° F).

CAUTION

• Do not charge the battery with the battery cable

still connected. The diodes will be damaged by

the high voltage.

• Connect the (+) lead of the charger to the (+)

terminal of the battery, and the (–) lead to the (–)

terminal. Reversed polarity will damage the

charger rectifier or the battery.

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Dayton 4W315A Istruzioni per gli Interventi Pagina 17

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