00191376-07 - 第48页
7 4-monthly maintenance jobs HS Preventive Maintenance 01/2006 US E dition 48 7
HS Preventive Maintenance 7 4-monthly maintenance jobs
01/2006 US Edition
47
Z axis (front part of head) 7
a Use a brush or cottonwool bud to move dirt from the Z axis toothed belt.
: Clean the rollers, toothed wheels and the toothed belt with a cottonwool bud or lint-free cloth
moistened with ethyl alcohol.
: Check the toothed belt for wear.
Replace the toothed belt if it shows signs of wear (see
servicing instructions).
: Lightly grease the toothed belt with ISOFLEX TOPAS NCA 52 and remove any excess grease.
s Check that the Z axis guide runs easily and without play.
: Check the jaws for damage.
Contact your regional Service Center if there are any defects in the Z axis or jaws. 7
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Oil the recirculating ball guide (lower bearing) 7
: Move the Z axis into its bottom position.
d Clean the grooves in the miniature roller table front and back using a cottonwool bud soaked
in ethyl alcohol.
: Wipe the needle of the oil dispenser.
Do not press any oil out of the oil dispenser. Just one visible drop would be too much oil. 7
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f Simply place the needle directly on the ball cage/bearing, on the grooves of the guide rail.
When it makes contact, sufficient oil will be transferred to the grooves (capillary effect).
: Move the Z axis up and down several times to distribute the film of oil.
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7 4-monthly maintenance jobs HS Preventive Maintenance
01/2006 US Edition
48
7
HS Preventive Maintenance 7 4-monthly maintenance jobs
01/2006 US Edition
49
Star / distributor plate 7
a Wipe the star and the distributor plate with a lint-free cloth.
On older heads, the distributor plate is not yet glued in place. Remove it, dust it off and clean the
seat for the distributor plate. 7
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: Apply a light film of ISOFLEX TOPAS NCA 52 grease to the running surface of the star brake.
Remove any visible excess grease.
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Make sure that no dirt or grease gets into the vacuum channels. 7
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Segments 7
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When cleaning the segments, be careful not to pull out or damage the sleeve retaining springs.7
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s Carefully clean the segments using a cottonwool bud moistened with ethyl alcohol.
d Remove any visible dirt around the segments.
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Valve casing 7
: Remove the valve plungers.
f Clean the valve casing using a cottonwool bud moistened with ethyl alcohol.
: Then clean all around the valve casings.
Assembling the front part 7
: Insert cleaned or new sleeves into the segments.
: Insert cleaned or new valve plungers into the valve casings.
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