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31
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(1) In cold temperatures or before long term
(3 months or more) storage, be sure to drain
the water from the seawater cooling system.
1) Loosen the 6 bolts fixing the side cover of the
seawater pump, remove the cover and drain
the water from inside.
2) After draining, put the pump's side cover
back on.
3) Open the seawater drain cocks (3 positions as
illustrated at right for engine side) and drain
the seawater.
［
Fig.17
］
shows the position of the seawater
drain cock for Yanmar model KMH6A, KMH6A1.
For detailed information on models other than
Yanmar models, refer to the Marine Gear
Operation Manual.
4) Close the drain cocks after draining the sea-
water
(2) Be sure to drain from the fresh water cool-
ing system if LLC is not used.
1) Open the fresh water drain cocks (2 postions)
and drain the fresh water.
2) Close the drain cocks after draining the fresh
water.
(3) Carry out the next periodic inspection before
placing the engine in storage.
Remove dust and wipe off oily contamination
from the outside of the engine.
Clean the engine.
(4) To prevent condensation inside the fuel tank,
either extract all fuel or fill the tank.
If water is left inside, it may freeze and
damage parts of the cooling system
( fresh water cooler, lube oil cooler, sea-
water pump, etc.)
If the water is not drained, it may freeze
and damage parts of the cooling water
system (fresh water tank, fresh water
cooler, cylinder block, cylinder head, etc.)
[NOTICE]
[NOTICE]
3.4 Long Term Storage
Alternator
V-belt
Fresh water tank
Fresh water
cooler
Nuts(6pcs)
Sea water pump
[Fig.14]
[Fig.15]
[Fig.16]
[Fig.17]
[Fig.13]
