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S tud ent Guid e HS-50 A dvanced I 0 6/2002 E dition 12 Pr eventive Maintenance 29 a Use a lens cleaning c loth to clean t he glass d isk of t he s canning uni t on the turning station. s Remove 12 valve plunge rs. d Cle…

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06/2002 Edition Student Guide HS-50 Advanced I
12 Preventive Maintenance
28
Student Guide HS-50 Advanced I 06/2002 Edition
12 Preventive Maintenance
29
a Use a lens cleaning cloth to clean the glass disk of the scanning unit on the turning station.
s Remove 12 valve plungers.
d Clean the valve casings using a cottonwool bud moistened with ethyl alcohol
Never use pipe-cleaners or bottle brushes to clean the valve casing.
12
: Grease the cleaned valve plunger extremely sparingly and insert into the valve casing.
See chapter "Maintenance of the valve plungers").
: Move it back and forth several times.
: If the valve plungers move too easily, replace them with new plungers.
If the valve plungers move too easily they cannot be guaranteed to work correctly.
12
: Insert cleaned sleeves into the segments.
See chapter "Maintenance of the sleeves").
Do not exert too much pressure when snapping the sleeves into place to avoid damaging the
sleeve retaining springs.
12
: Check that the sleeve moves easily in the segment.
If the sleeve does not move easily:
: Pull the sleeve out again.
f Clean the segment using a cottonwool bud moistened with ethyl alcohol
Never use pipe-cleaners or bottle brushes to clean the segment.
12
: Use the "Single Functions" menu to pick up the nozzles of the Collect&Place head.
06/2002 Edition Student Guide HS-50 Advanced I
12 Preventive Maintenance
30