TM 5-4320-300-14
6-10. PISTONS AND CONNECTING RODS (CONT)
Location/Item
Action
Remarks
DISASSEMBLY
3.
Piston rings
Note piston and ring condition. Remove rings
and discard.
4.
First piston
Secure connecting rod in
pin retainer
vise equipped with soft
jaws. Punch a hole through
one of the piston pin re-
tainers with a narrow
chisel or punch. Carefully
pry retainer from piston.
Discard retainer.
5.
Piston pin
Remove.
6.
Piston
Remove from connecting rod.
7.
Second piston
Remove and discard.
pin retainer
CLEANING
WARNING
Severe burns, illness, or death may result if personnel fail to handle diesel
fuel properly. Observe the following precautions:
Do not inhale vapor.
Do not handle fuel near open flame, sparks, or excessive heat.
Be certain fuel lines and connections are secure.
Work in a well-ventilated area.
Compressed air used for cleaning shall not exceed 100 psi (690 kPa). Use
goggles or face shield for eye protection. Do not direct airstream against skin.
8.
Piston com-
Wash piston and connecting rod components with
ponents
clean VV-F-800 diesel fuel and dry with com-
pressed air. Remove carbon from piston ring lands
and grooves with a wire brush. Clean inside surface
of piston and oil drain holes in piston skirt. Slip
piston pin back into bushing. Blow compressed air
through the drilled oil passage in connecting rod,
so that air flows through spray holes in nozzle.
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