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 TM 9-2815-224-34&P
Piston and Connecting Rod Maintenance Instructions (Cont)
6-3. PISTON REPAIR.
This task covers:
c. Assembly
a. Disassemble y
d. Follow-on Maintenance
b. Cleaning/Inspection
INITIAL SETUP
Personnel Required
Models
MOS 63W, Wheel vehicle repairer
All
References
Test Equipment
None
Spring scale
Equipment Condition
Special Tools
Tool, piston pin retainer J23762
TM or Para
Condition Description
Gage set, piston J3174-02
Piston, connecting rod and
Gage, crown, piston J25397
liner removed.
Gage, piston groove J24599
Leak detector set J23987-01
Special Environmental Conditions
None
Supplies
Solvent, dry cleaning, Item 60, Appendix C
General Safety Instructions
Oil, lubricating, Item 48, Appendix C
None
Compound, international, No. 2, Item 26,
Level of Maintenance
General Support
Brush, paint, oval 1-1/4 in. (32 mm) size 12,
Item 10, Appendix C
a. Disassembly.
(1) Place connecting rod (1) in vise
with soft jaws.
(2) Remove three upper piston
rings (2) using piston ring
remover and installer. Remove
four lower piston rings (3) by
hand.
(3) Remove oil ring expander (4)
from each lower piston ring
groove.
(4) Punch hole in two piston pin
retainers (5). Remove both
retainers.
(5) Loosen two screws (6).
(6) Remove connecting rod (1) and
piston (7) from vise.
(7) Remove two screws (6) and two
TA357429
spacers (8).
NOTE
Matchmark connecting rod before removal.
(8) Remove connecting rod (1) from piston (7).
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