Mercury 40 Service Manual page 117

CHARGING AND STARTING SYSTEM
CHECKING POSITIVE BRUSHES AND TERMINALS
1. Connect ohmmeter (R x 1 scale) leads between positive brushes.
2. Ohmmeter must indicate full continuity (zero resistance). If resistance is indicated,
check lead to positive terminal solder connection. If connection cannot be repaired,
brushes must be replaced. Refer to "BRUSH REPLACEMENT".
a -
TESTING NEGATIVE BRUSHES FOR GROUND
Set ohmmeter to (R x 1 scale). Place one lead of ohmmeter on the negative brush and the
other lead on the end cap (bare metal). If the meter indicates NO continuity, replace the neg-
ative brush. Repeat this procedure on the other negative brush.
a -
b -
Page 2B-30
a
Positive Brushes
b
a
Negative (-) Brushes
End Cap
11673
90-828631R3 MARCH 1999