Yanmar 4LHA-STP User Manual

Chapter 2 Basic Engine
3. Cylinder Liners
14LHA Series
3. Cylinder Liners
3-1 Measuring cylinder liners
Measure the inner diameter of each cylinder with a
cylinder gauge and replace the cylinder liner if it exceeds
the wear limit.
Set the gauge to zero
Set to the cylinder
inner diameter
Cylinder gauge
Indentification mark for
matching with piston (L.M.S)
2
s
e
1
A/
fi/
til
ll
)
ii
i\
v\
W
II
/V
y<y
—^>y
3-2 Inserting cylinder liners
Coat the outside of the liner with oil, and insert lightly by
hand. Do not tap with a wooden hammer as this may de-
form the liner.
Withdrawal
of liner by
hand
0di
Ødz
Øda
Identification mark for
matching with cylinder block
(A.B.C)
mm (in.)
Standard
Wear limit
Cylinder liner
0100.00-100.03
(03.9370 - 3.9382)
0100.15(03.9429)
NOTE: (1) Be sure to measure A-A, B-B and a, b and c
(2) Be sure that di, cfc, ds are accurate to within
0.02mm (0.0008 in.).
00
0103.00-102.97
(04.0551 -4.0939)
2-12

Yanmar 4LHA-STP Specifications

General

Number of Cylinders	4
Fuel System	Direct Injection
Engine Type	4-Stroke Vertical Water-Cooled Diesel Engine
Displacement	3.455 L
Bore x Stroke	100 mm x 110 mm
Aspiration	Turbocharged