AIR CLEANER FILTER

FUNCTION

The air taken in by engine contains dust and other particles. The air filter traps dust and dirty particles in the air with its filter, preventing them from entering the cylinders.

There two types of air filter element

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• This type used oil-permeated filter paper. As the paper sticky, dust and other particles in the air adhere to the paper as air passes through it. This type has much bigger filtering capacity than dry paper type filter of the same size.

• This type is appropriate for the desert area.

Necessity of Maintenance/ What happen if not done

The filter becomes clogged with dirty and the air flow will be restricted.

If dust or other particle enter the cylinder or the air floe is restricted due to the clog;

• Engine cylinder will wear rapidly.
• Fuel economy will become worse because of improper combustion of air-fuel mixute.
• Engine performance will become worse ( poor engine power or poor acceleration ,etc.)
• Exhaust gas emission becomes worse.
• Black smoke will increase (diesel engine)

Maintenance Interval

Replace every 40,000km /24 months ,whicever comes first.

For dry paper typr, clen every 10,000 /6 months ,whichever comes first.

Driving under dusty conditions, they should be replaced(viscous type) or cleaned ( dry type) more frequently.

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ENGINE OIL FILTER

FUNCTION / MECHANISM

The oil filter removes harmful contaminations from the engine oil which lubricated areas of engine interior subjected to friction.

The oil filter has a drain-back prevention valve to inhibit the oil in the filter and oilpassage to flow back to oil pan when the engine is tuned off. This function is to supply oil to all the friction surfaces inside the engine as soon as it is started;and thus, prevents wear which otherwise would be caused by lack of the oil film at metal to metal contack portions.







Necessity of Maintenance / What happens if not done

Engine oil will become dirty due to the carbon , metal particels or dust etc. Such contaminations accumulated in the filter , the filte's filtration capacity will drop.

If dirty engine oil filter is continuosly used;

• Engine oil will quickly become dirty.
• Engine will be damaged because of contaminated oil.

Maintenance Interval

Replace every 10,000km /6 months, whichever comes first. It is desirable that the oil filter is changed every time the oil is changed because about 0.5liters of used oil would remain in the filter if it werw not replaced. This would accelerate deterioration of the new oil.

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