YS12P_YS12F_YG12F_Mainte_E.pdf - 第72页
3-20 3 Periodic maintenance items 7 Remo ve the spring suspending the spline shaft. 1. After remo ving the ejector unit, k eep its stay hooked as sho wn at the r ight. 2. Unhook the spring from the hook pin by hand. 5332…
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3
Periodic maintenance items
3.2 Cleaning and lubricating the inside of the spline shaft
Dustorgrimemayadheretotheairpathofsplineshaftsandcausecomponentpickupormountingerrors.
Althoughdependingontheairsupplyconditionandoperatingtime,theinsideofeachsplineshaftshouldbe
cleanedonceevery3months.
c
3.2.1 Cleaning the inside of the spline shaft
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1
Press the emergency stop button.
The machine should be in emergency stop
to ensure safety during work.
2
Move the head to a convenient
position for maintenance work.
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NOTE
Move the scan camera to the right or left away from
the head assembly so that the scan camera will not get
dirty.
3
Remove the nozzles from all heads.
Remove all nozzles by hand.
TIP
When the machine is equipped with a nozzle station
(option), place the nozzles removed from the heads
back to the nozzle station.
4
Disconnect the air hose from each
spline shaft.
Disconnect the air hose inserted into the
upper part of each spline shaft.
53318-L6-00
5
Remove the ejector unit stay.
Use the hex wrench or T-handle hex wrench
to remove the four bolts that secure the
ejector unit stay.
53309-L6-00
6
Prepare the cleaning kit (KHN-
M8860-00X).
1. Pour IPA (isopropyl alcohol) into the
container of the cleaning kit.
2. Place a shop cloth or rag under the
spline shaft to be cleaned.
53319-L6-00
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Never use solvent other than IPA (isopropyl alcohol).
Disconnecting the air hoses
Step 4
Air hose
Spline shaft air joint
Spline shaft
Removing the ejector unit stay
Step 5
Hex wrench or T-handle hex wrench
Ejector unit stay
Ejector valve
Cleaning kit
Step 6
Pump (IPA container)
Nozzle
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3
Periodic maintenance items
7
Remove the spring suspending the
spline shaft.
1. After removing the ejector unit, keep its
stay hooked as shown at the right.
2. Unhook the spring from the hook pin by
hand.
53320-L6-00
8
Remove the cap bolt for spline
shaft cleaning.
Use the precision wrench (supplied) to
remove the cap bolt (hex head bolt).
53321-L6-00
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not to drop it.
9
Clean the inside of the spline shaft.
1. Insert the nozzle of the cleaning kit into
the cleaning hole of the spline shaft.
2. Pour alcohol (IPA) into the spline shaft air
path to clean away dust and grime.
53322-L6-00
Unhooking the spring
Step 7
Spring hook pin
Spring
Spline shaft
Removing the cap bolt
Step 8
Precision wrench (supplied)
Cap bolt
Upper block of spline shaft
Cleaning the spline shaft
Step 9
Nozzle of cleaning kit
Spline shaft
Pump of cleaning kit
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Periodic maintenance items
0
Blow air into the spline air path.
1. Prepare an air blow gun (available as
option) and connect it to an air
connector on a nearby machine. Then
insert the air blow gun nozzle into the air
joint of the spline shaft.
2. Place a shop cloth under the lower end
of the spline shaft, and blow air through
the spline shaft while blocking the
cleaning hole with your finger.
3. Repeat the above procedure (steps 9
and 10) until the IPA flowing out from the
spline shaft becomes clean. Make sure
that after blowing air, smear no longer
appears on the shop cloth placed under
the lower end of the spline shaft, and
then reattach the cap bolt.
53334-L6-00
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to wear safety goggles.
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not to drop it.
q
Reattach the spring to suspend the
spline shaft.
Hook the spring to the hook pin by hand.
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NOTE
Clean the inside of all spline shafts using the same
procedure in steps 7 to 11.
w
Repeat the cleaning procedure.
Repeat steps 7 to 11 to clean the inside of
the spline shafts of all heads.
e
Reinstall the ejector unit stay back
to its original position.
Tighten the four bolts to secure the ejector
unit stay, using the hex wrench or T-handle
hex.
r
Reconnect the air hoses back to
their original positions.
Air blow into spline shaft
Step 10
Nozzle of air blow gun
Air blow switchBlock the cleaning hole with your finger.