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TM 10-3930-644-14&P
TOPIC 6. CONDENSER
GASOLINE AND L.P.G. ENGINES ONLY
starting and low speed operation, may be indications of
this condition.
A. DESCRIPTION
B. SERVICE
An important, and often overlooked, part of the ignition
system is the condenser, which is installed in the
Original equipment condensers are designed for use
distributor.
The condenser provides an electrical
over a broad speed range of the engine. Contact pitting
reservoir where current can flow until the contact points
will result if a condenser of incorrect capacity is used.
are safely separated. The unit is constructed of several,
Examine contact points for excessive pitting:  If pitted
layers of foil and insulator material. Alternating layers of
and the crater is on the positive contact, then the
foil are connected to either the terminal or ground.
condenser is over capacity. If crater is on the negative
contact, then condenser is under capacity. Under these
High resistance in a condenser is usually caused by
conditions a new condenser should be installed which
loosening, or corrosion of connections, which in turn
has a slightly higher or a slightly lower capacity than
causes the condenser to be slow in taking a charge and
conditions call for. The correct condenser capacity is .18
also causes high voltage at the contact points. Arcing
to .23 microfarads.
and rapid wear of contacts, along with missing during
3-102

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