ADCS-601-AF™ OPERATION AND MAINTENANCE MANUAL
© 2005 - 2007 DH Instruments, a Fluke Company
Page 112
6.3.4
CLEANING THE PISTON AND CYLINDER
When a piston-cylinder has been shipped, it should usually be cleaned before it is installed in
the FPG8601. Cleaning the piston-cylinder may also be necessary to correct noise in
FPG8601 pressure measurements cause by poor mobility of the piston due to contamination
between the piston and the cylinder.
To clean the piston-cylinder, it must first be removed from the FPG8601 and the piston taken
out of the cylinder (see Sections 6.3.2, 6.3.3). Once the piston and cylinder is removed and
separated, proceed as follows:
Place two clean lint-free towels on a flat surface.
Place the piston in the horizontal position on the two lint-free towels.
Using gloves, fold two other lint-free towels three times over, and mist slightly with
Windex
®
glass cleaner.
Gently wipe the piston with the misted, lint-free towels while rolling the piston on the two
flat lint-free towels.
Make sure to cover all 360 degrees of the piston over its full length.
Lay two more clean, lint-free towels on a flat surface.
Discard misted lint-free towels.
Transfer the piston to the two clean, lint-free towels.
Using gloves, fold two new lint-free towels three times over.
Buff the piston while rolling it on the flat surface.
Repeat
Step twice.
This step is critical, if any glass cleaner is left on the piston, the piston will not be mobile
when it is reassembled and the FPG8601 pressure output will be noisy.
Blow off the piston with very clean forced air.
Fold another lint-free towel three times over, and mist slightly with glass cleaner.
Roll lint-free towel (glass cleaner side out) around two fingers.
Place glass cleaner side of the lint-free towel against the inside surface of the cylinder.
Rotate the cylinder around while wiping the inside surface with an in and out motion.
Repeat on both ends of the cylinder.
Fold another two lint-free towels three times over.
Again, wrap the lint-free towels around two fingers.
Rotate the cylinder around while wiping the surface with an in and out motion.
Repeat Step and two more times.
Repeat Step and for both ends of the cylinder.
The cleaning process is complete and the piston can now be put back into the cylinder.
The instructions in Section 6.3.5 must be followed to safely put the piston in the cylinder.
Содержание ADCS-601-AF
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