ARMY TM 9-2805-259-14
AIR FORCE TO 38G2-89-54
NAVY NAVFAC P-8-615-14E
4-34. Magneto Contacts (cont).
b.
(1)
Remove four assembled screws and washers (1) and separate magneto cover (2) and
gasket (3) from body (4).
(2)
Remove rotor button (5).
(3)
Tag and remove capacitor lead (6) and coil lead (7) from magneto contacts (8).
(4)
Remove two assembled screws and washers (9) and remove magneto contacts (8) and cam
wick (10).
Inspect magneto contacts (8) and rotor button (5) and replace if worn, burnt, cracked or
(5)
otherwise damaged.
c.
Installation. (figure 4-28)
NOTE
Cam wick mounts under bottom screw.
Do not fully tighten top screw at this point.
Install magneto contacts (8) and secure with two assembled screws and washers (9).
(1)
(2)
Rotate magneto gear (11) until cam follower (12) is on highest part of magneto cam (13).
Contact gap should be 0.015 in.-0.019in. (.038-.048 cm) for Fairbanks Morse and 0.008
(3)
in.-0.012 in. (.020-.030 cm) for Slick Aircraft Magneto. Adjust contacts until correct gap is
obtained and tighten upper screw (9).
(4)
Recheck gap and repeat step 3 as needed.
Lubricate cam wick (14) sparingly with clean engine oil
(5)
Connect condenser lead (6) and coil lead (7) to magneto contacts (8).
(6)
Install rotor button (5).
(7)
(8)
Install magneto cover (2) and gasket (3) and secure with four assembled screws and
washers (1).
Change 2
4-62