Yanmar 3YM20, Operation Manual

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26
3. OPERATION
EN
3.2.4 Supply Cooling Water
Supply cooling water according to the fol-
lowing procedures. Be sure to add anti-
freeze to the cooling water.
(1) Be sure to close the 4 water drain
cocks/plugs.
Note: The water drain cocks are opened be-
fore shipping from the plant.
(2) Remove the filler cap of the fresh
water cooler by turning the cap
counterclockwise 1/3 of a turn.
A Oil filler cap B Dipstick
Fresh water line Seawater line
2 2
A Coolant tank D Fresh water pump
B Drain plug for coolant E Seawater pump
C Drain plug for seawater
A
B
A
B
C
E
D
A Coolant tank C Drain cock for seawater
B Drain plug for coolant
A Stop solenoid C Flywheel housing
B Drain cock for fresh water
A Filler cap C Tabs
B Fresh water cooler D Notches
A
B
C
A
B
C
A
C
D
B