Yanmar 3YM30E - Every 1000 Hours of Operation

PERIODIC MAINTENANCE
YM Series Operation Manual 65
12/05
When completing the initial 50 hour
maintenance procedures, perform the
following procedures every 50 hours
thereafter or monthly, whichever comes
first.
• Draining Fuel Filter / Water Separator
• Checking the Battery Electrolyte
Level
Draining Fuel Filter / Water
Separator
WARNING
Fire and Explosion Hazard.
When removing any fuel system
component to perform maintenance
(such as changing the fuel filter), put an
approved container under the opening
to catch the fuel.
Never use a shop rag to catch the fuel.
Vapors from the rag are flammable and
explosive. Wipe up any spills
immediately.
Exposure Hazard.
Wear eye protection. The fuel system is
under pressure and fuel could spray
out when removing any fuel system
component.
Figure 5
Figure 6
1 – Air Bleed Screw
2 – Bracket
3–O-Ring
4 – Fuel Filter Element
5 – Fuel Filter Housing
6 – Retaining Ring
1. Close the fuel cock of the fuel tank.
2. Put a pan under the fuel / water
separator.
3. Loosen the retaining ring
(Figure 6, (6)), remove the filter
housing (Figure 6, (5)) and drain off
any water or sediment collected inside.
4. After draining, tighten the air bleed
screw (Figure 6, (1)).
Every 50 Hours of Operation
1
000480
2
3
4
5
6
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