PERIODIC MAINTENANCE
50
8LV Series Operation Manual
Exhaust Manifold (RH Side)
Figure 16
Exhaust Manifold (LH Side)
Figure 17
Coolant Piping
Figure 18
■ Cleaning the Intake Silencer (Air Cleaner)
Element
Refer to (Figure 1 on page 13) for the illustration.
1. Disassemble the intake silencer (air cleaner).
2. Remove the element. Clean the element and
housing with a neutral detergent.
3. Dry completely and reassemble.
■ Cleaning the Exhaust/Seawater Mixing
Elbow
The mixing elbow (Figure 1 on page 13) is
attached to the turbo-charger (Figure 1 on
page 13).
The exhaust gas is mixed with seawater in the
mixing elbow.
1. Remove the mixing elbow.
2. Clean any dirt and scale out of the exhaust and
seawater passages.
3. If the mixing elbow is damaged, repair or
replace.
4. Inspect the gasket and replace if necessary.
■ Cleaning the Turbo-charger
Contamination of the turbo-charger causes
revolutions to drop and engine output to fall.
If a significant drop in engine output is noted (10 %
or more), clean the turbo-charger.
This should be done only by a trained and qualified
technician. Contact your authorized Yanmar Marine
dealer or distributor.
■ Damage of Belt
Perform this check while engine and system
power are turned off, to prevent from rolling
into the belt and pulleys. Otherwise you may
get seriously injured.
• Never get any oil on the belt(s). Oil on the belt
causes slipping and stretching.
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037430-00X00
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8LV_OPM.book 50 ページ ２０１１年１月１１日 火曜日 午後１２時８分
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