TM 5-3740-214-14
Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE OPERATES ERRATICALLY (Continued)
d.
Check the wires between the coil and the ignition switch and the coil and the points. Use a volt-
(1)
Remove the ignition wire from the ignition switch and the coil.
(2)
Connect a meter lead to each end of the wire and check the continuity.
(3)
Wiggle the wire back and forth. If the meter does not register a current, replace it and go to Step
4e. If the meter does register a current, go to Step 5.
(4)
Remove the breaker point wire from the points and the coil.
(5)
Connect a meter lead to each end of the wire and check for continuity. Go to Step 4d(6).
(6)
Wiggle the wire back and forth. If the meter does not register a current, replace it and go to Step
5f. If the meter does register a current, go to Step 5.
e.
Start the engine.
(1)
If the engine starts, the problem is solved.
(2)
If the engine does not start, go to Step 5.
Step 5.
Check the breaker points.
a.
Remove the breaker point cover.
b.
Open the points with a screwdriver and inspect them. If they are pitted, burned, or badly oxidized,
replace them and go to Step 5c.
c.
Check the breaker point gap.
(1)
Shut the ignition switch OFF.
(2)
Crank the engine by hand until the points are open to their widest gap.
(3)
If the gap is 0.020 inches (0.52 mm), the gap is ok. Go to Step 6.
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