ARMY TM 9-2805-257-14
AIR FORCE TO 38G2-103-2
NAVY NAVFAC P-8-612-14E
4-16. Lower Air Duct and Upper Air Duct.
This task covers:
General Mechanics Tool Kit (Item 1, Appendix B)
Rags, Wiping (Item 6, Appendix D)
Solvent, Drycleaning (Item 7, Appendix D)
a. Removal. (figure 4-5)
(1) Remove four screws (1) and washers (2) securing lower air duct (3) to oil pan (4).
(2) Remove screw (5), washer (6) and nut (7) and remove lower air duct (3).
(3) Remove three screws (8) and washers (9) and remove upper air duct (10).
b. Repair. (figure 4-5)
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°F138°F (38°C60°C).
(1) Clean lower air duct (3) and upper air duct (10) with dry cleaning solvent and dry thoroughly.
(2) Repair all dents and repaint as necessary.
c. Installation. (figure 4-5)
Install upper air duct (10) and secure with three screws (8) and washers (9).
Install lower air duct (3) and secure with screw (5), washer (6) and nut (7).
Secure lower air duct (3) to oil pan (4) using four screws (1) and washers (2).