TM 5-4310-379-14
5-24. Cylinder Block and Front Cover Assembly.
This task covers:
Replace
INITIAL SETUP:
Tools
Equipment Condition
General Mechanic's Tool Kit
(NSN 5180-00-177-7033)
Fuel filter assembly removed (para. 3-25).
Gage, Cylinder Checking (PN J 5347-01)
Fuel strainer assembly removed (para. 3-26).
Gage, Master Ring (PN J 838601)
Fuel pump and drive removed (para. 3-27).
Master Setting (PN J 23059-01)
Valve operating mechanism removed (para. 4-21).
Oil Seal Installer (PN J 21209)
Camshaft, balance shaft and bearings removed
Wrench, Torque (NSN 5120-00-221-7983)
(para. 4-22)
Crankshaft removed (para. 5-23).
Materials/Parts
Block, Cylinder
Solvent, Dry Cleaning (Item 23, Appendix D)
Rags, Wiping (Item 21, Appendix D)
Grease Automotive and Artillery (Item 15, Appendix D)
Replace. (figure 5-31)
(1)
Remove two screws (1) and remove side air box cover (2) and gasket (3).
(2)
Remove two screws (4) and remove rear air box cover (5) and gasket (6).
WARNING
Dry cleaning solvent PD-680 used to clean parts is potentially dangerous to personnel and
property. Avoid repeated and prolonged skin contact. Do not use near open flame or excessive
heat. Flash point of solvent is 100-138°F (38-60°C).
(3)
Clean cylinder block and front cover (7) with dry cleaning solvent and dry thoroughly.
NOTE
Pressure test cylinder block using a large enough water tank with block completely stripped of all
parts. If tank is not available, perform test in step (8).
(4)
Seal all inlet and outlet openings with steel plates and gaskets, and drill and tap one cover plate to provide
connection for an air line.
(5)
Connect air line to cover plate and immerse block for twenty minutes in tank of water heated to 180 to
200°F (82° to 93 C).
Change 1 5-100
