00191376-07.pdf - 第46页

7 4-monthly maintenance jobs HS Preventive Maintenance 01/2006 US E dition 46 7

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HS Preventive Maintenance 7 4-monthly maintenance jobs
01/2006 US Edition
45
Dismantle front part of head 7
: Use the "Single Functions" menu to return the nozzles of every Collect&Place head to the noz-
zle changer.
: Shut down the operating system and switch off the placement machine at the main switch.
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: Loosen the screws on the head cover.
: Remove the head cover.
Remember to follow the ESD regulations.
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: Cover the feeder area to protect the feeder modules and front part of the head.
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: Unplug the ribbon cables for the front part of head on the conversion board carefully.
a Detach the compressed air hose.
Use suitable pliers to do this. 7
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We recommend that you label or otherwise mark the compressed air hoses before you remove
them. 7
On the DLM1 heads, the hoses are already labeled and have a fixed assignment. 7
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: Turn the star half a revolution to avoid damaging the valve plunger drive with the valve plungers
when removing the front part.
s Loosen the 3 screws (DLM1) or 4 screws (DLM2) on the front part of head (using the 3 mm
socket-head spanner) and remove the front part.
Hold the front part of head firmly as you remove the screws. 7
Watch out for the distributor plate and the distributor. 7
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: Place the front part of head on a soft ESD surface (with the valve plunger side underneath) or
place it on a suitable head stand.
: Remove the sleeves and place them in the containers provided.
7 4-monthly maintenance jobs HS Preventive Maintenance
01/2006 US Edition
46
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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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