Continental Motors GO-300-A Overhaul Manual page 60

Aircraft engine
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f. Position a timing light (one containing its own
source of illumination) so it may be easily observed;
then connect its red lead to the magneto ground
switch terminal (18, figure 2) and the black ground
lead to any bare metal part of the engine.
g. Turn the magneto to the extreme counterclockwise
position; then, with a nonmarring hammer, tap the
magneto case clockwise until timing light indicates
opening of breaker point.
h. Tighten the magneto attaching nuts to approxi-
mately 200 inch-pounds.
i. Check timing by backing up propeller shaft ap-
proximately five degrees; then tap gently forward
until timing light indicates opening of breaker pOints.
If
timing is correct, the line between the "28
0 "
and
"BTC" will be aligned with the pointer of the crank-
shaft cover.
12-16. IGNITION CABLES.
a. Install spark plugs with new gaskets in the cylinder upper
holes.
b. No. 1 outlet of the magneto is identified as such
by the number "1" on the breaker cover. The outlets
are numbered consecutively 1 through
6
in a clock-
wise direction. On both magnetos, the ignition cables
to No. 1 cylinder are connected to the number 1
outlet, No. 4 cylinder to number 2 outlet, No. 5
cylinder to number 3 outlet, No. 2 cylinder to No.
4
outlet, No.3 cylinder to number 5 outlet, and No.
6 cylinder to number 6 outlet.
c. Place a plain washer on the stud, install the
three-wire cable bracket (9, figure 2) and secure
with attaching part (10).
d. Place the two-wire cable bracket (5) on the lifting
52
eye front bolt and secure with a lock washer and nut.
Connect cables to cylinders No.2, 4, and 6 upper
plugs.
e. Place a plain washer on the stud, install the three-
wire cable bracket (13) and secure with attaching
parts (14).
f. Install the two-wire cable bracket (36) on the long
stud at the sump mounting flange and secure it with a
lock washer and nut.
g. Connect ignition cables to cylinder No.2, 4, and 6
lower spark plugs.
h. Cables for No.1, 3, and 5 cylinders are to be in-
stalled in the same manner as No.2, 4, and 6, except
there is no two-wire cable bracket attached to the
crankcase upper parting flange.
i. Install the band (16, figure 2) as illustrated.
12-17. STARTER FOR GO-300-A,
-C.
(See figure
7. )
a. Impregnate a new gasket (8) with Tite Seal com-
pound, place it on the crankcase cover studs and
install the starter (7).
b. Secure the starter with three sets of attaching
parts (6, 5, 4) at the rear and two sets of attaching
parts (3, 2, 1)
at
the front.
12-18. STARTER FOR GO-300-D, -E. (See figure
6. )
a. Impregnate a new gasket (13) with Tite Seal com-
pound and install it on crankcase cover studs. Place
the starter adapter assembly over the gasket. Install
three sets of attaching parts (12, 11, 10) and one set
of attaching parts (9, 8, 7, 6).
b. Install a new
"0"
ring(5) on starter flange. Mount
starter (4) on adapter studs and install two sets of
attaching parts (3, 2, 1).

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