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 TM 55-1905-223-24-3
(4)
Remove the (dowel) pins (12) from the connecting rods(1).
b. Use the piston ring expander to remove the piston rings (Figure 4-29).
FIGURE 4-29. Removing Piston Rings.
c.
Place a tag on the rings, and record the cylinder number of the piston on the tag for future reference (if
required).
d.
Use internal snap ring pliers to remove the snap rings from both sides of the piston.
e.
Put the piston rod assembly in a container of water.
WARNING
Use insulated gloves to prevent injury from boiling water or heated piston.
f.
Heat the piston in boiling water for 15 minutes.
CAUTION
Do not use a hammer to remove the piston pins. The piston can distort and
cause the piston to seize in the liner.
g.
Remove the piston from the water, and use a blunt tool to push the piston pin from the piston and rod
assembly.
INSPECTION
a.
Inspect the connecting rod bearings (11, Figure 4-28).
(1) Clean the bearings (11) with solvent.
4-72
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