Yanmar 4LHA-DTP, Operation Manual

Page: 33 / 670

3.5 Supplying Cooling W.
A DANGER
Burns from Scalding
• Never remove the filler cap of the fresh water cooler while the engine
is still hot.
Steam and hot water will spurt out and seriously burn you. Wait
until the water temperature has dropped, then wrap a cloth around
the cap and loosen it slowly.
• After inspection, refasten the cap firmly. If the cap is not secure,
steam or scalding water may be emitted during operation causing
Fill the fresh water tank and the subtank
with fresh cooiing water.
ICDBefore filling, check to be sure the drain
cocks are closed (Close both the fresh
water line drain cocks and the sea water
line drain cocks).
©Remove the filler cap of the fresh water
tank. (Turn the filler cap by 1/3 turn counter-
clockwise to remove.)
©Supply cooling water slowly to the fresh
water tank so that no air bubbles will
develop. Supply until the water overflows
from the filler port.
©After supplying cooling water, fasten the
filler cap firmly. If loose, trouble will occur
due to water leakage.
To fasten, align the notch at the back of
the cap with the slot of the filler port and
turn the cap by 1/3 tum.
©Remove the cap of the subtank, supply
water to the full limit and fasten the cap.
Fresh water capacity:
Engine 1.5 £
Sub-tank 0.8 i
Model
Seawater
cooling system
Fresh water
cooling system
All engines
3
3
(Note) The water drain cocks are opened before
shipping from the plant.
Position of cocks
3NN
O Fresh water
# Sea water
Fresh
water cooler
Inter cooler
For 4LHA-HTP/-HTZP
Lube oil filler
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