Volvo Penta TD520GE Workshop Manual page 73

Group 21
1. Remove the screw plugs. Check that the oil chan-
nels are free.
2. Clean the engine block and check that it has no
damages.
3. Using a depth micrometer, measure the distance
between the liner collar seat and sealing surface
in the engine block. Measure in several places at
each cylinder.
Max. depth: .................... 8.92
NOTE! Liner collar height or collar seat depth can not
be re-machined. Replace liner and engine block if
required.
4. Inspect the liner collar and measure the height of
the collar in several spots on the circumference.
NOTE! Min. collar height : ........ 9
Checks and adjustments
+0.03 mm (0.35 +0.002 ")
0
0
-0.02 mm (0.354 -0.001 ")
83