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If an extensive amount of suppression is required, the engine
should
be
retimed and tuned up at a reputablegarage.
TYPE
OF
NOISE
Distinct but irregular
clicking noise.
Same as above.
Loud popping noise that
changes from one type
road to another. Most
pronounced on concrete.
Same as above.
Irregular popping noise
when on bumpy roads.
particularly at slow
speeds.
POSSIBLE CAUSE
Voltage regulator.
Energy transfer to
primary system.
Wheel static.
Tire static.
Body static.
RECOMMENDED REMEDY
1.
0.1
pF coaxial type capacitor in series with
the battery
(B)
and armature (A) leads.
2.
A
series combination of a
,002
pF mica
capacitor and a
4
a
carbon resistor to
ground from the field
(F) terminal. All
components should be mounted as shown in
the diagram, close to the voltage regulator.
1.
Bypass at the following points: coaxial
bypass in lead to coil from ignition witch
(0.1
pF). Battery lead to ammeter (.5 pF):
to gas gauge
(0.5
pF); to oil
signal witch (0.5
pF); head and tail light leads
(.5
pF); accessory wiring from engine com-
partment
(.5 pF).
1.
Installation of front wheel static collectors
(available from most automotive distri-
butors). These should be checked every
5000 miles for excessive wear.
1.
Injection of anti-static powder into tire
through valve stem.
1. Tighten all loose screws.
2.
Use heavy flexible braid and bond the en-
gine to the frame and fire wall. Bond the
control rods, speedometer cable, exhaust
pipes, etc., to the frame.
b
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