Yanmar 3JH4E Service Manual page 92

4. Disassembly and Reassembly
(12) Removing the lube oil filter and lube oil
cooler
1) Remove the fresh water pipe (cylinder block-lube
oil cooler, lube oil cooler outlet)
2) Remove the lube oil filter from the lube oil cooler.
3) Remove the lube oil cooler nut and lube oil cooler.
Loosen the bolts for the filter bracket and remove
the filter bracket.
4) Remove the lube oil dipstick and guide.
(13) Removing the fuel injection pipe
1) Remove the fuel injection pipe retainer.
2) Loosen the cap nuts on both ends of the fuel
injection pipe and remove the fuel injection pipe.
3) Remove the fuel return pipe (fuel nozzle-fuel oil
filter)
(14) Removing the intake manifold
Remove the intake manifold and gasket.
(15) Removing the fresh water pump
Remove the fresh water pump and gasket.
Cylinder block
Joint
Clamp
Filter bracket
Drain cock
Clamp
Clamp
Lube oil cooler
Lube oil cooler nut
Lube oil filter
(Lube oil filter and cooler)
No.1
No.2
Fuel injection
pipe retainer
Cylinder head
76
Gasket
To fresh
water pump
Bolt
Fuel injection pipe
No.3
No.1
No.2
No.3
Fuel injection
nozzle Fuel return pipe
Fuel injection pump
Gasket
Fresh water
pump
O-ring
Clamp