TM 9-2320-272-24-4
5-10. PISTON AND CONNECTING ROD MAINTENANCE (Contd)
1.
Remove piston pin bushing (10) from connecting rod (5) with mandrel, removal tool, and arbor press.
2.
Install sleeve (6), new standard size piston pin bushing (10), and guide sleeve (8) on mandrel.
3.
Place connecting rod (5) on block (7) and place in horizontal position.
4.
Line up mark on guide sleeve (8) with middle of boss on connecting rod (5). Ensure oil hole in new
piston pin bushing (10) and pin bore (9) are lined up.
5.
Press new piston pin bushing (10) into pin bore (9) with arbor press until guide sleeve (8) contacts
side of rod pin boss.
6.
Check inside diameter of new piston rod bushing (10). If inside diameter is not 2.001-2.0015 in.
(50.83-50.838 mm), replace piston pin bushing (10).
WARNING
Do not handle hot pistons with bare hands or injury to personnel
may result.
CAUTION
Never drive piston pins into pistons. Driving may cause distortion
of piston and cause piston seizure in cylinder liner.
5-74
