HS50_advance_level 1_20200522_221201 (1) - 第455页
06/2002 E dition S tudent Guide HS-50 Advance d I 12 Preve ntive Maintenance 22
Student Guide HS-50 Advanced I 06/2002 Edition
12 Preventive Maintenance
21
You will need the following tools and consumables for the weekly maintenance tasks:
– Vacuum cleaner
–Waste bin
–Brush
– Scissors
– Soft, lint-free cloths
– Ethyl alcohol
– Magazine with cleaned ceramic nozzles or new nozzles.
There must be no PCBs in the placement system during the following maintenance steps.
: Select "Block manually" (status closed) on the station computer and click on Accept (or Track
1 / Track 2 for the dual conveyor).
Wait until the last PCB is complete and has left the placement system.
The working area is now clear.
: Press the Stop button.
: Open the protective cover.
12
Take hold of the handle and carefully move the gantry. Do not use too much force.
: Push the gantry over the component table. This will leave your working area clear.
Clean PCB conveyor / sonar BEROs
a Clean the sonar BEROs thoroughly using the vacuum cleaner.
s Use a suitable vacuum cleaner nozzle to remove any loose components from the sonar BERO
unit.
d Use the vacuum cleaner to remove any loose components from all around the PCB conveyor.
Loose components in the PCB conveyor or sonar BERO unit could cause malfunctions.
12
12
06/2002 Edition Student Guide HS-50 Advanced I
12 Preventive Maintenance
22
Student Guide HS-50 Advanced I 06/2002 Edition
12 Preventive Maintenance
23
Clean the X / Y scale rods
a Clean the incremental scale rods of the Y and X axes using a lint-free cloth soaked in ethyl
alcohol.
12
Dirty scale rods cause counting errors on the x and y axes and thus incorrect or inaccurate place-
ment.
12
Replace nozzle changer magazines
: Use the "Single Functions" menu to place the nozzles on the Collect&Place head in the nozzle
changer.
g Remove the nozzle changer magazines and replace them with magazines containing cleaned
ceramic nozzles or new nozzles.
: Use the "Single Functions" menu to pick up the nozzles for the Collect&Place head once more.
: Empty the nozzle reject bin.
: Repeat the task at the other location.