Yanmar 4JH2E Service Manual page 381

Chapter 10 Disassembly and Reassembly
3. Disassembly and Reassembly
3· 1.8 Removing the starting motor
Remove the starting motor from the llywheel housing.
Starting motor
Flywheel housing
3·1.9 Removing the alternator
(1) Loosen the alternator adjuster bolt and remove the
V·belt.
(2) Remove the adjuster from the fresh water pump, and
remove the alternator from the gear case (with distance
piece).
Ad Ju stet
Altemator
Distance piece
3·1.10 Removing the cooling water pipe
(1) Remove the cooling water (sea water) pipe (lube
oil cooler - heat exchanger).
(2) Remove the cooling water (fresh water) pipe
(heat exchanger -fresh water pump, fresh water
pump - fresh water tank).
(31 Remove the cooling water pipe (lube oil cooler
- marine gearbox}
10-12
4JH2-Series
[Model: 4JH2E 4JH2-TE]
Coqling water (sea water) pipe
Heat exchanger
[Model: 4JH2-HTE, 4JH2-DTE, 4JH2-UTE]
Cooling water (sea water) pipe
Heat exchanger
Lubricating oil
coo~·
.
.
~Yo~
•
To marine gearbox
3· 1.11 Removing the heal exchanger
(exhaust manifold, fresh waler tank unit)
Remove the heal exchanger and gasket packing.
Gasket packin~
Cylinder head
Print.ed in Japan
AOAI029-9109SP