TM 5-3895-376-14&P
5-12. PISTON ASSEMBLY MAINTENANCE INSTRUCTIONS
This task includes:
d. Repair
a. Remove
e. Installation
b. Cleaning
c. Inspection
INITIAL SETUP
Equipment Condition
Tools
Compactor set on level ground in a protected area.
Tool Kit, General Mechanic's
Engine off.
Compressor, Piston Ring; item 7, Appx F
Expander, Ring; item 10, Appx F
General Safety Instructions
Punch, Drift; item 37, Appx F
Observe all WARNINGS and CAUTIONS
Hammer, Plastic; item 16, Appx F
Materials/Parts
Solvent, Dry Cleaning; item 9, Appx E
Lock Ring (2)
REMOVE
1.
Remove the cylinder head (Para. 5-8)
2.
Remove the compression release (Para. 5-10)
3.
Crank the engine until the piston reaches the bot-
tom of its stroke.
4.
Remove the cylinder (1) by lifting the cylinder off
the piston assembly (2).
5.
Crank the engine until the piston (2) reaches the
top of its stroke, and remove the lock ring (3)
from the gear side of the piston.
6.
Using a drift punch, gently drive out the piston pin
(4), tapping on the flywheel side of the engine.
7.
Remove the piston pin (4) and the piston (2)
5-29
