140-3 SERIES
13-23
DISASSEMBLY AND ASSEMBLY GENERAL ASSEMBLY OF ENGINE
2) Apply silicon gasket sealant LG-6 to the
parts of the cylinder block and cylinder liner
which will fit to the counterboared part.
• Wipe off dirt and oil with cloth from the
contact faces of the counterboared part
of the cylinder block and liner flange.
• Apply LG-6 in line 2 - 3 mm in diameter.
• Lap the ending point of LG-6 over the
starting point by 6 ± 6 mm.
★ If the applied gasket sealant is left for a
long time, its surface becomes hard. Ac-
cordingly, install the cylinder block to the
cylinder head in 50 minutes.
3) Apply rubber lubricant RF-1 to the liner O-
ring and cylinder block O-ring groove.
★ RF-1: DAIDO KAGAKU KOGYO CO., LTD.
If RF-1 is not available, apply clean engine
oil SAE No. 30 to the liner O-ring and clevis
seal.
★ Since the clevis seal and O-ring are swollen
and deteriorated by oil, do not leave them in
oil. Apply a small amount of oil to them thinly
with a brush just before fitting them.
4) After fitting the liner O-ring, check it for twist.
If it is twisted, correct it with a smooth rod
(about 10 mm in diameter).
5) When fitting the clevis seal, press it against
the seal groove all round so that it will not be
twisted.
★ Fit the clevis seal with the chamfered side
down.
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