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P3000 Series
Users Manual
5-8
6. After removal from the solvent, using a NEW tissue, repeat the cleaning procedure in
step 4, take great care to ensure that all traces of solvent are removed from inside the
tubular piston.
7. Place piston carefully on a NEW tissue where it will not be damaged while the
cylinder is cleaned.
W Caution
Never touch the working surface of a clean piston with bare
fingers — the natural oil in your skin can cause the piston and
cylinder to stick.
8. Wipe any dirt or moisture from the outside surfaces of the cylinder (2).
9. Roll a NEW tissue into a tapered rod of appropriate size. Force the tissue through the
cylinder bore while rotating. Ensure that the tissue is a tight fit inside the bore so that
dirt and contamination is removed.
10. Repeat step 9, using a NEW tissue, but from the opposite end of the cylinder.
11. Immerse the cylinder in a suitable, clean solvent, see note in step 5 above.
12. After removal from the solvent, using a NEW tissue, repeat the cleaning procedure
in 9 & 10.
Piston Re-Assembly
13. Holding the piston by the weight carrier, carefully introduce the piston into the
cylinder, and push gently through (the piston will normally slide freely through due
to its own weight).
W Caution
NEVER FORCE THE PISTON INTO ITS CYLINDER OR DAMAGE
WILL RESULT. If resistance is felt, re-clean piston, cylinder or
both. If, after repeated cleaning, the piston still will not slide
freely within the cylinder, then permanent damage may have
occurred. In which case, the parts should be returned to the
factory for evaluation or replacement.
14. Refit the bearing cap around the stem of the weight carrier, and screw onto the top of
the cylinder.
15. Carefully screw the assembly into the instrument, ensuring that O ring (4) is clean
and undamaged, and correctly fitted to the piston body.
Replacement PCU Assembly
W Caution
The piston and cylinder assembly is a matched pair, which is
calibrated and adjusted to a calculated mass figure. If, for any
reason, the piston or cylinder becomes damaged, then the
entire assembly must be replaced.
The replacement assembly consists of the following components: Item numbers
1 through 3.
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
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