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Fadal
Maintenance Manual
Ambient Sources
Sunlight
Do not allow direct sunlight on the VMC. Window shades that diffuse sunlight
can be acceptable, but any source of warmth that only heats one side of the
VMC at a time will cause uneven warming and further complicate thermal
considerations.
Cooling Systems
Diffusion gratings on air conditioning vents can be used to prevent any air from
directly blowing on the machine or part. Again, an unevenly heated part or
machine will cause the heated, or cooled, portion of the part or machine to
expand at rates different from the rest of the part or machine.
Radiant Heat
If an operator can detect the radiant heat from other devices, a protective wall
needs to be erected between the machine and the device radiating the heat.
This type of heat source will cause the machine to heat up on one side and
cause uneven expansion.
Binary Numbers
Number Systems
March 2003
There are some mathematical concepts that will aide the troubleshooting
process. The first discussion will be number systems.
We all use the Decimal System or base 10, which is based on ten so
when ten (10) counts are reached the next one causes a carry to the next
column and each count in this column has a value of 10 times the previous
column. Each place has a value ten times greater than the next place to the
right. We use ten numerals (0 to 9) for this system.
Section 14: General Information
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