|
| |
TM10-4320-316-14
6-6. PISTON AND CONNECTING ROD ASSEMBLY REPAIR AND REPLACEMENT.
This Task Covers:
a.
Removal
b.
Inspection
c.
Repair
d.
Installation
Initial Setup:
Tools Required
Tool Kit, General Mechanic's (Appendix B, item 1)
Snap Ring Pliers (Appendix B, Item 3)
Piston Ring Expander (Appendix B, Item 4)
Piston Ring Groove Cleaner (Appendix B, Item 4)
Piston Ring Compressor (Appendix B, Item 4)
Torque Wrench (Appendix B, Item 3)
Gloves (Appendix B, Item 3)
Materials Required
Diesel Fuel (Appendix E, Item 6)
Lubricating Oil (Appendix E, Item 8)
Plastigage, PG-1 (Appendix E, Item 9)
Equipment Condition
DED pump assembly shut down and cool.
Camshaft removed (see paragraph 6-9)
Balancer shaft removed (see paragraph 6-8)
a. Removal. (Refer to Figure 6-4).
(1) Remove carbon deposited on the upper inside surface of the cylinder before extracting the piston.
(2) Remove two connecting rod mounting bolts (1), nuts (2), and washers (3).
(3) Remove connecting rod cap (4).
(4) Rotate crankshaft to the top of the piston stroke and pull out piston (5).
(5) Remove both snap lock rings (6).
WARNING
Heated parts can result in severe burns Exercise care in handling the heated parts.
CAUTION
Avoid heating piston directly with a torch.
(6) Heat piston (5) and piston pin (7) to 160-180°F.
(7) Remove piston pin (7) from piston (5).
(8) Connecting rod (8) can now be separated from piston.
6-6
|
