| |
TM 9-2320-364-34-4
20-176
20-60. PISTON AND CONNECTING ROD REPAIR (CONT).
a.
Disassembly.
(1)
Position connecting rod (1) in soft jawed
vise.
Use care when removing piston
rings. Piston rings are under
tension and can act as projectiles
when released and could cause
severe eye injury.
(2)
Using piston ring replacer, remove and
discard three upper piston rings (2) from
piston (3).
(3)
Using piston ring replacer, remove and
discard four lower piston rings (4) from
piston (3).
(4)
Remove and discard two oil ring
expanders (5) from lower piston ring
grooves in piston (3).
(5)
Punch hole in two piston pin retainers (6)
and remove piston pin retainers from
piston (3). Discard piston pin retainers.
(6)
Loosen two screws (7) in connecting rod (1).
(7)
Remove connecting rod (1) and piston (3)
from vise.
NOTE
Matchmark connecting rod prior
to removal.
(8)
Remove two screws (7) and spacers (8)
from connecting rod (1).
(9)
Remove connecting rod (1) from piston (3).
|