TM 5-4310-452-14
5-12. PISTONS AND CONNECTING RODS MAINTENANCE.
This Task Covers:
a.
Removal
c.
Assembly
b.
Disassembly
d.
Installation
Initial Setup:
Equipment Conditions:
Materials/Parts:
• Cylinder removed (see paragraph 5-8).
• Lubricating oil (Item 7, Appendix E)
• Oil pan removed (see paragraph 5-16).
• Rag (Item 11, Appendix E)
• Battery cables disconnected (see paragraph
• Two bolts
4-57)
• Two circlips
Tools/Test Equipment:
• Three piston rings
• General mechanic's tool kit.
• Feeler gage
• Oven
• Ring compressor
• Ring expander
a.
REMOVAL
NOTE
Use this task to remove any 1 of 4
pistons and connecting rods.
1.
Remove 2 bolts (10) and connecting rod bearing
cap (9). Discard bolts.
CAUTION
To prevent damage to piston or
piston rings, do not allow piston or
connecting rod to knock against
engine block when removing piston
and connecting rod.
2.
Carefully lift piston (6) and connecting rod (8) out of
engine block.
b.
DISASSEMBLY
1.
Remove 2 circlips (4) from pistons (6), Discard
circlips.
5-29
