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Yanmar 4JH4E - Page 157

Yanmar 4JH4E
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4. Disassembly and reassembly
137
[NOTICE]
It is recommended that the liquid gasket of
Three Bond TB1212 should be used for service
work.
Before providing service, observe the cautions
below:
1) Build up each gasket equally.
2) For a bolt hole, apply liquid gasket to the inside
surface of the hole.
3) Conventionally, Three Bond TB1104(gray) or
Three Bond
TB1102(yellow) is used for paper packing
though single use of one of these bounds is not
effective.
4) If conventional packing is used, do not use liquid
packing.
Items Usual contents Features and application
Scale solvent Scale solvent 1 box
(4 kg x 4
removers)
The scale solvent removes scale in a short time.
(1 to 10 hours)
Prepare water (seawater is possible) in an
amount that is about 10 times the weight of the
solvent. Mix the solvent with water.
Just dipping disassembled part into removes
scale.
To shorten removal time, stir remover mixture.
If cleaning performance drops, replace remover
mixture with new remover mixture.
Neutralize used mixture, and then dispose of it.
To judge cleaning performance of mixture, put pH
test paper into mixture. If test paper turns red,
remover mixture is still effective.
Neutralizer
(caustic soda)
1 box
(2 kg x 4
neutralizers)
pH test paper
Anti freeze Add antirust to fresh water system at the cold area to
engine operate.
Cleaning agent The cleaning agent removes even carbon
adhering to disassembled parts.
If a cleaning machine is used, prepare 4 to 6%
mixture of 60° to 80° to ensure more effective
cleaning.
Cleaning agent for turbocharger 4l x 4 Special cleaning agent that requires no water,
specially designed for blower of turbocharger and
intercooler.
18l x 1
15sets: 1,
500cc x 6
Oil pan mating surface
Buildup of TB1212
Outside Inside of oil pan
001449-01E

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