TM 5-4310-387-14
6-20. Piston and Connecting Rod Assemblies.
This task covers:
a.
Replace
b.
Repair
INITIAL SETUP
Tools
Materials/Parts (Cont)
General Mechanic's Tool Kit (NSN 5180-00-177-7033)
Dry Cleaning Solvent (Item 21, Appendix E)
Piston Ring Compressor (NSN 5120-01-191-4500)
Rags, Wiping (Item 19, Appendix E)
Piston Ring Groove Cleaner (P/N RC-510)
Connecting Rod
Caliper Set (NSN 5210-00-554-7134)
Connecting Rod Bearings
Wrench, Torque (NSN 5120-00-247-2540)
Pliers, Retaining Rings (NSN 5210-00-789-0492)
Equipment Condition
Materials/Parts
Cylinder head assembly removed (para.5-29).
Oil filter screen removed (para. 4-31).
Bearings
Piston
Reference
Piston Rings
Retaining Rings
Appendix F Torque Values.
a.
Replace. (figure 6-19)
(1)
Remove six screws (1), cover (2), and gasket (3).
(2)
Remove two nuts (4) and bearing cap (5).
(3)
Push piston and connecting rod (6) out of cylinder (7).
(4)
Remove bearings (8), and discard.
(5)
Install new bearings (8) in new connecting rod (6) and bearing cap (5).
(6)
Install ring compressor on piston (6).
(7)
Install piston and connecting rod (6) in cylinder (7).
(8)
Ensure connecting rod seats completely on crankshaft (9).
(9)
Install bearing cap (5) and secure with two nuts (4). Torque nuts to 22 Ib-ft (30 Nm).
(10)
Install gasket (3), cover (2), and secure with six screws (1).
FOLLOW-ON MAINTENANCE
(1) Install cylinder head assembly (para. 5-29).
(2) Install oil filter screen (para. 4-31).
6-54
