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 (2) Use cylinder liner remover (table 4-1) when
(6) Remove cloth from each piston top carefully
removing a cylinder liner.
so that no carbon falls in cylinder, then remove all chunks of
carbon from the air box, and be sure the air box drains are
open.
NOTE
(7) After cleaning the ports, examine the inside
It is very important that the proper method
of liners for burrs. Remove burrs by hand with 250 grit emery
is followed when removing liners. Do not
paper. If you do not remove all burrs, it will lead to early
attempt to push the liner out by inserting a
failure of rings and pistons.
bar in the liner ports and rotating the
(8) Remove the hold down clamp, and clean
crankshaft, otherwise the piston may be
remaining liners in a similar manner.
damaged, or the upper ring groove may
(9) With all hold down clamps removed, install
collapse.
cylinder head (para 5-3) and the air box covers.
c. Removal.
(3) Prior to removing a liner, check measurement
(1) Remove piston and connecting rod (para 5-4).
of interior of the liner with an inside micrometer (fig. 5-22).
Check measurements at room temperature of 70 .
F
Figure 5-22. Cylinder liner measurement diagram.
5-25
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