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 TM 55-1905-223-24-1
NOTE
The connecting rod journals in FIG. 3-22 are shown
positioned at BDC. If the connecting rod is adjacent to a
crankshaft counterweight, the rod journal must be at
TDC to remove the rod.
(2)
Loosen machine bolts (3, FIG. 3-22) until there is 1/4 inch (6 mm) clearance between the
connecting rod (2) and the bolt heads.
NOTE
Identify and tag attaching hardware. Connecting rods
must have the cylinder number marked on both the rod
and the cap.
(3) Tap the machine bolts (3) with a mallet (1) until the connecting rod cap (5) slides from the dowel
pins in the rod. Remove and tag connector bearing (4).
(4) Install connecting rod guide pins (7).
(5) Push the piston and connecting rod until the piston rings (6) are above the cylinder lining.
CAUTION
Put piston and rod assembly in a rack after removal to
prevent damage.
NOTE
Care must be taken not to knock the upper bearing
loose from the connecting rod while removing the
assembly.
(6) Remove the connecting rod and piston assembly.
(7) Remove connecting rod guide pins (7) and upper rod bearings (4, FIG. 3-25).
b. Remove piston from connecting rod.
(1) Remove one retaining ring (1, FIG. 3-23).
WARNING
Wear protective gloves to prevent injury when handling
hot parts.
CAUTION
Do not attempt to remove piston pin without applying
heat. Damage to the piston will result.
3-82
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