Yanmar YM276 Service Manual page 123

20.10-10
Cylinder Block, Liners, Pistons, and Rods
+
Factory
Installation
-
Service Parts Installation
INSTALLATION
1. Clean cylinder linders with solvent.
2.
Thoroughtly clean inside of bores for liners with solvent.
Especially, be careful t o clean liner flange seating area of
cylinder block.
3. Install cylinder liners into their original bores.
4. Measure liner hights shown by which the sealing face of the
cylinder liner protrudes over the cylinder block sealing face.
Measure at several places around the circumference and compare
measurements. See specifications on page 20-10-9.
Each liner bore of cylinder block is punched mark (A, B or CI
on the camshaft side of cylinder block top sealing face according
t o i t s range of finishing dimension.
Cylinder liner is also marked (A,
B
or
C )
on i t s side face.
CYLINDER LINER O.D. SPECIFICATIONS
A
-
88.00 to 88.01 mrn (3.4646
to 3.4650 in.)
B
-
87.98
to
87.99 mrn 13.4638
to 3.4642 in.)
C
-
87.99 to 88.00 mrn 13.4642 t o 3.4646 in.)
CYLINDER BLOCK BORE I.D. SPEClFlCATlONS
A
-
88.02 to 88.03 mrn 13.4654 t o 3.4657 in.)
B
-
88.01 to 88.02 mm (3.4650 to 2.4654 in.)
C
-
88.00
to
88.01 13.4646 to 3.4650 in.)
The liner must be installed into the bore has the same mark as
it.
That i s the liner marked (A) must be installed into the bore marked
(A).
(A) is bigger than (B), and (C) is smaller than (B).
YANMAR supply only liner having (6) dimension as service parts.
The liner ( 6 ) can be installed into both cylinder bores (A) and (C).
But this i s allowed t o only for replacing worn liner with new one.
INSPECTION AND REPAIR
1. Clean block thoroughtly with clearing solvent.
2.
Make sure all passages and cleaned of sludge, rust, and grease.
3. Make sure all coolant passages are cleaned of lime deposits and
scale.
4.
Clean counter bore for liner flange.
SMEZ7601718304 YM276 and 2760
Kmamoro.
Printed
in
Jaoan