1.6.3 Cylinder Liner
DETROIT DIESEL 53
b. With the tool in place, strike the upset head on the
Romove Cylinder Liner
upper end of the puller rod a sharp blow with the
puller weight, thus releasing the liner.
It is very important that the proper method is followed
when removing a cylinder liner. Do not attempt to
c. Remove the tool from the liner. Then remove the
push the liner out by inserting a bar in the liner ports
liner from the cylinder block.
and rotating the crankshaft, otherwise the piston may
be damaged or the upper ring groove may collapse.
d. Remove and discard the cylinder liner seal ring
from the groove in the cylinder block bore.
To remove a cylinder liner, refer to Fig. 2 and
proceed as follows:
If tool J 22490 is unavailable, tap the liner out with a
hardwood block and hammer.
1. Remove the piston and connecting rod assembly as
outlined in Section 1.6.
Inspect Used Cylinder Liner
2. Remove the cylinder liner with tool set J 22490 as
follows:
When the cylinder liner is removed from the cylinder
block, it must be thoroughly cleaned and then checked
Slip the lower puller clamp up on the puller rod
a.
for:
and off the tapered seat. Cock the clamp so it will
slide down through the liner. The clamp will drop
Cracks
back on the tapered seat after it clears the bottom
Scoring
of the liner. Then slide the upper puller clamp
Poor contact on outer surface
down against the top edge of the liner.
Flange irregularities
Inside diameter
Out-of-round
Taper
A cracked or excessively scored liner must be
discarded. A slightly scored liner may be cleaned-up
and re-used.
Excessive liner-to-block clearance or block bore
distortion will reduce heat transfer from the liner to
the block and to the engine coolant. Poor contact
between the liner and the block bore may be indicated
by stains or low pressure areas on the outer surface of
the liner.
Examine the outside diameter of the liner for fretting.
Fig. 4 - Checking Bore of Cylinder Liner
Fig. 5 - Glazed Surface of Cylinder Liner
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