6 Put the measuring gauge (005) in position on the top face of the cylinder liner (004) in
line with the longitudinal axis of the engine.
7 Make sure that the top hole (00A) is above the ridge (003) in the non-running surface of
the cylinder liner (004).
8 Put the inside micrometer (006) in the top hole (00A) to measure the distance. Record
the value.
9 Do Step 8 again for the other holes.
10 Move the gauge (005) for an angle of 90° (in line with the transverse axis of the engine).
11 Do Step 8 and Step 9 again in the new position of the gauge (005).
12 Read the values from when the bore was measured before. Compare these values with
the new values.
13 Use the formula shown below to calculate the wear rate with the values as follows:
•
WR = Wear rate (mm/1000 hours)
•
T1 = Total running hours (h)
•
D1 = Maximum liner diameter of running surface (point 00B and below) (mm)
•
D2 = Liner diameter of non-running surface (point 00A) (mm).
14 For the maximum permitted inner diameter, refer to section 3.3 Clearances - general.
15 Remove all waste particles from the cylinder liner (004).
16 Clean the cylinder liner (004).
17 Remove all tools from the cylinder liner (004).
CLOSE UP
• None
X72DF
AA00-2124-00AAA-360A-A
Maintenance Manual Cylinder liner - do a check of the bore
Winterthur Gas & Diesel Ltd.
- 170 - Issue 002 2020-10
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