6CP100/50-10
8-1
SECTION 8: MECHANICAL MAINTENANCE
General
CAUTION: When cleaning, always have unit disconnected from power source.
No solution or chemical stronger than an ordinary household cleaner should be applied to the cabinet area of
this unit. Care must be used when cleaning the meter faces and console panel. Abrasives may remove
printing and descriptive titles and scratch meter faces. When cleaning, always have unit disconnected from
power source. Never attempt to clean inside the unit as the cleaning solution may cause damage to the
electronic components.
High Voltage Transformer
Surface
All surfaces are finished with heavy duty paints and will provide adequate protection against the elements in
normal use. It is recommended that the finish be wiped down for longer life and also for proper electrical
operation of the unit. Also inspect all fabrication joints for oil leakage. If a leak is found, consult factory.
Control Box / Regulator Section
At least once every year, the control assembly should be removed for inspection of the regulator assembly and
other parts. If dust and dirt are present, cleaning with a dry brush and air hose should be sufficient. Inspect
the voltage regulator contact surfaces for any signs of burning or wear. The brushes are the carbon type and
are constructed to provide a 1/8" wide contact point. If they are worn down so as to be nearing (approximately)
1/32" at the wider part of the brush, they should be replaced.
The only other mechanical maintenance needed on the control box is that it be kept clean.
Transformer Oil Maintenance
At time intervals ranging from six months to one year, the oil purity (see next page) should be checked in the
high voltage transformer to verify its reliability. If the transformer is subject to adverse weather conditions or an
oil leak develops, the oil purity should be checked regularly.
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