TM 5-1940-277-34
PISTON AND CONNECTING ROD ASSEMBLY INSPECTION AND REPAIR INSTRUCTIONS
(Continued)
LOCATION
ITEM
ACTION
REMARKS
2.
Piston (11)
a.
Inspect walls
If heavy scuffing
for Scoring
above pin on one
or Scuffing.
side and below
pin on other side
is noted, inspect
for possible bent
connecting rod
(4).
b.
Inspect inside
and outside for
cracks at pis-
ton pin bosses
(13), piston
balance strut
(14), piston
crown and struts
between crown
and pin bosses.
c.
Hone piston
Use grinding
if lightly
machine and
scored.
crocus cloth.
d.
Replace pis-
If replacing a
ton if any
heavily scored
cracks,
piston, cylinder
scoring, or
liner also must
scuffing
be replaced.
noted.
e.
Replace
Cylinder liner
piston if
must also be
piston
replaced.
seized.
3-19
