Yanmar 3JH4E Service Manual page 99

3) Remove the filler cap of the fresh water cooler
by turning the cap counterclockwise 1/3 of a
turn.
4JH4-HTE
Coolant tank
Fresh water pump
Drain cock for
seawater
Clutch cooler
Filler cap
Tabs
Notches
79
2. Inspection and adjustment
Drain cocks for
fresh water
Drain cock
for seawater
Intercooler
Drain seawater from
seawater pump cover
008792-00J
Fuel pump
Drain cock for
fresh water
008793-00J
Fresh water cooler 008411-01E