TM 5-4310-386-14
5-44. Engine Connecting Rod .
This task covers:
a.
Replace
b.
Repair
INITIAL SETUP
Tools
Materials/Parts (Cont)
General Mechanic's Tool Kit
Solvent, Dry Cleaning (Item 24, Appendix E)
(NSN 5180-00-177-7033)
Rags, Wiping (Item 21, Appendix E)
Bent Socket Spanner (PN 0030425)
Micrometer (NSN 5120-00-554-7134)
Equipment Condition
Fixture (PN 0031079)
Torque Wrench (NSN 5120-00-910-3350)
Compressor unit shut down (para. 2-13).
Fuel injector pump removed (para. 5-29).
Materials/Parts
Piston and rings removed (para. 5-43).
Connecting Rod
Reference
Bushing
Refer to Appendix F for torque values.
a.
Replace.
(figure 5-66)
NOTE
The engine is equipped with two connecting rods. Replacement of each one is the same.
(1)
Using bent socket spanner, remove two bolts (1) securing big-end caps (2) to connecting rod (3).
(2)
Remove big-end cap (2) and lower bearing shell (4).
(3)
Slide connecting rod (3) and upper bearing shell (5) out of crankcase (6).
(4)
Install upper bearing shell (5) in connecting rod (3).
(5)
Install connecting rod (3) in crankcase (6).
(6)
Install lower bearing shell (4) and big-end cap (2) and secure with two bolts (1) using bent socket spanner.
Tighten bolts per Appendix F.
FOLLOW-ON MAINTENANCE
(1)
Install piston and rings (para. 5-43).
(2)
Install fuel injector pump (para. 5-30).
5-184
