Yanmar 3JH4E Service Manual page 98

2. Inspection and adjustment
2) Close the cocks for fresh water.
Model
3JH4E
4JH4E/4JH4-TE
4JH4-HTE
Note1:
The marine gear boxes with a drain cock of clutch cooler are as follows;
4JH4E: ZF30M, KM4A1
4JH4-TE and 4JH4-HTE: ZF30M, KM4A2, KMH4A
3JH4E
Fresh water pump
Drain cock for Seawater pump
fresh water
Drain cock for fresh water
Flywheel housing
Drain cocks
in fresh water line
3 cocks
2 cocks
3 cocks
Drain cock for
Coolant tank fresh water
Drain cock for
seawater
015027-00E
015028-00E
Drain cocks in seawater line
2 places (1 cock and a side cover of seawater pump)
2 places (a side cover of seawater pump and 1 cock on
clutch cooler)
Note1
3 places (a side cover of seawater pump and 2 cocks on
clutch cooler and intercooler)
Note1
4JH4-TE
Fresh water pump Coolant tank
Drain cock for seawater
Clutch cooler
78
Drain cocks
for fresh water
Drain seawater from
seawater pump cover
015029-00E
Fuel pump
Drain cock for fresh water
015030-00E