Yanmar 3YM20 Operation Manual page 35

3. OPERATION
D
E
B
A Coolant tank
B Drain plug for seawater E Seawater pump
C Drain plug for fresh water
A
C
B
A Stop solenoid
B Drain cock for fresh water
(3) Carry out the following periodic in-
spection before placing the engine
in storage. Clean the outside of the
engine wiping off any dust or oil.
(4) To prevent condensation inside the
fuel tank, either drain off the fuel or
fill the tank.
A
C
D Fresh water pump
C Flywheel housing
(5) Grease the exposed area and joints
of the remote control cable and the
bearings of the remote control han-
dle.
(6) Cover the intake silencer, exhaust
pipe, etc. with vinyl sheets and seal
them to prevent moisture from en-
tering.
(7) Drain bilge in the hull bottom com-
pletely.
Water may leak into the boat when it is
moored, and whenever possible it
should be hauled out, covered and
blocked.
(8) Waterproof the engine room to pre-
vent rain and seawater from enter-
ing.
(9) During long-term storage, charge
the battery once a month to com-
pensate for the battery's self-dis-
charge.
(10)When storing an engine for long
time, run the engine periodically ac-
cording to the following procedure
because the rust occurrence inside
the engine, the rack agglutination
of the fuel pump, and so on are like-
ly to occur (In case that the engine
is equipped with a boat).
1. Replace the lube oil and the filter with
new ones before the engine running.
2. If the fuel in the tank was removed,
re-supply and bleed the fuel system.
3. Confirm that there is the coolant in the
engine.
4. Operate the engine at the low idling
speed for about five minutes. (If it can
be done, once a month)
EN
35