GLOBAL S - User Manual
Preventive Maintenance Instructions
This section contains information and the instructions required to carry out the maintenance operations
specified by the preventive maintenance schedule.
Do not use the following solvents on the machine under any circumstances:
acetone (dimethylketone), chlorinated solvents (for example, trichloroethylene
and chlorothen), benzene, methyl alcohol and, in general, branched-chain
solvents.
Air Bearing Guideways
The guideway must be kept clean and must never be greased or treated with any substance.
To clean the guideway use a soft, clean, lint-free cloth (e.g. medical gauze or equivalent), moistened with
heptane. Move the moving parts of the machine to clean the entire length of the guideway.
If, during maintenance operations, signs of abrasion or scraping are found on the guideway, do not use the
machine but contact the Hexagon customer service.
Optical Scales
The optical scales must be kept clean and must never be lubricated or treated with any substance.
To clean the optical scales use a soft, clean, lint-free cloth (e.g. medical gauze or equivalent), moistened
with isopropyl alcohol or heptane. Move the moving parts of the machine to clean the entire length of the
optical scale.
After cleaning, let the optical scales dry before using the measuring machine.
Do not perform any operations on the sliding system components other than
those specified in this section. Operations performed incorrectly may cause
functional problems or a deterioration in the precision of the machine.
If after maintenance operations (or while using the measuring machine) counting errors are found, contact
the Hexagon customer service.
Anti-Tilt Feet and Anti-Vibration Supports
With the frequency indicated in the maintenance plan, check that the two anti-tilt feet are present and that,
when the maximum load is applied to the work table, their top ends are about 2-3 millimetres from the
bottom surface of the granite.
Check also the position of the anti-vibration supports with reference to positions Sy1 and Sy2 shown in the
figure of the model in use (see “Overall Dimensions and Mechanical Characteristics of the Measuring
Machine” on page 39).
If any faults are found, stop the measuring system and call the Hexagon customer service immediately.
If any faults in the adjustable feet or the anti-vibration supports that could
jeopardize the stability of the machine are found, stop the measuring system
immediately. Do not resume operation until the faults found have been
eliminated.
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