Replacing Filler Neck - Yanmar 3JH4E Service Manual

9. Coolant system

9.5.4 Replacing filler neck

1) Take out the copper tube inside the filler neck
with striking a circumference with a driver
and so on. When the filler neck is removed,
remove it with being careful not to damage
the fresh water cooler, and scrap it.
2) Clean both the new filler neck and the
insertion part of fresh water cooler. Apply
T7471 type activator or equivalent on both
the surfaces and let it evaporate.
3) Apply Loctite 603 (improved 601) glue or
equivalent on filler neck outside contour and
press the filler neck into the fresh water
cooler with the special tool.
Fresh water cooler
274
Tool 1
Filler neck
008188-00E
Tool 1
Press the filler neck
Filler neck
Loctite 601
001587-00E