TM 5-3805-260-24
PISTONS
DISASSEMBLE PISTONS
Tools Needed
A
5F9059 Ring Expander
1
start by:
a)
remove pistons
1.
Remove the rings from the piston the tool
(A).
2.
Remove snap ring (2). pin (I) and
connecting rod (3) from the piston.
ASSEMBLE PISTONS
Tools Needed
A
B
852304
Piston Ring Groove Cleaner
1
5F9059
Ring Expander
1
1.
Install connecting rod (I) in the piston with
boss (2) on the same side as the hole
(crater) in the top of the piston.
2.
Install piston pin (3) and snap ring (4).
3
When old pistons are to be used, clean
the piston grooves ’with tool (A).
4.
Install the spring for the oil ring. Install the
oil ring with tool (B). The gap in the ring
must be approximately 180° from the oil
ring spring connections.
5.
Install the compression ring *with tool (B).
The side of the ring that has the
identification "TOP"' must be toward the
top of the piston. The gaps in the rings
must be approximately 120° apart.
NOTE: Compression rings that do not have identifica-
tion must be installed *with the edge that has bevel
toward the top of the piston.
end by:
a)
install pistons
3-112
