61
Cylinder liner seats
Checking
Coolant will leak if the cylinder liner seats and /or
the underside of the cylinder liner collars are cor-
roded. The cylinder liner must have a tight fit to
prevent gas leakage.
Machining
Special tools:
(999) 2479 Holder for dial indicator
2666 Press tool (holder) for cylinder liner
9511 Expander tool
9551 Milling tool
Where there is doubt concerning the extent of the
damage, use marking colour to check the area in
contact with the cylinder block liner seat.
1.
Remove the cylinder liner sealing rings.
2.
Lightly apply marking colour underneath the seal
on the cylinder liner collar. Fit the cylinder liner
and rotate it back and forth with expander tool
9511 while pressing down at the same time.
3.
Pull out the cylinder liner and check the contact
pattern.
4.
Minor defects can be rubbed off with grinding
paste, which is applied to the underside of the cyl-
inder liner collar. Use expander tool 9511 and
press down. Fit the cylinder liner in position and
rotate it back and forth. Clean thoroughly, re-
check and if necessary repeat the grinding.
9511
Special milling tool 9551 which is used for major damage
Checking cylinder liner
