ARMY TM 9-2805-257-14
AIR FORCE TO 38G2-103-2
NAVY NAVFAC P-8-612-14E
4-32. Breather Line.
This task covers:
a. Removal (oil bath)
d. Removal (dry)
b. Inspection (oil bath)
e. Inspection (dry)
c. Installation (oil bath)
f. Installation (dry)
General Mechanics Tool Kit (Item 1, Appendix B)
Cylinder head covers removed (para. 4-15).
Rags, Wiping (Item 6, Appendix D)
Solvent, Drycleaning (Item 7, Appendix D)
Rubber Sleeve (NSN 5365-00-215-7421)
a. Removal. Oil Bath. (figure 4-24)
(1) Loosen coupling nut (1) on crankshaft side rocker cover (2).
(2) Loosen coupling nut (3) on flywheel side rocker cover (4).
(3) Loosen coupling nut (5) on air cleaner (6) and remove breather line (7).
(4) Remove coupling nut (5) and rubber sleeve (8) from breather line (7).
Drycleaning 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°F-138°F (38°C-60°C).
Clean breather line and coupling nut with dry cleaning solvent and dry thoroughly
Ensure there are no obstructions in breather line.
Inspect coupling nuts (1), (3) and (5) for signs of stripped threads or other damage, and replace breather
line if damage is found.
Inspect rubber sleeve (8) replace if ripped or otherwise damaged.