Yanmar 3JH4E Service Manual page 90

4. Disassembly and Reassembly
(6) Removing the mixing elbow
1) Remove the seawater rubber hose connecting to a
heat exchanger- a mixing elbow.
2) Remove the mixing elbow from the exhaust
manifold.
(7) Removing the starting motor
Remove the starting motor from the flywheel housing.
(8) Removing the alternator
1) Loosen the alternator adjuster bolt and remove the
V-belt.
2) Removing the adjuster from the fresh water pump,
and remove the alternator from the gear case (with
distance piece).
Seawater
L-type mixing
elbow
Gasket
Exhaust manifold
(Removing starting motor)
Adjuster bolt
Fresh water pump
Distance piece
74
Flywheel housing
Starting motor
Adjuster
Alternator
Gear case