YC8_Mainte_E - 第69页
3-20 3 Periodic maintenance items 3.1.5 Cleaning the inside of the spline shaft Dust or grime ma y adhere to the air path of spline shafts and cause component pickup or mounting errors. Although depending on the air supp…
3-19
3
Periodic maintenance items
3.1.3 Checking the blow valve operation (each head)
Check the blow level of each ejector of the ejector unit to see if it is working correctly.
1
Check that the blow air is being
exhausted correctly.
To check if the blow air is being uniformly
exhausted from each air joint on the lower
part of the ejector unit, open the [Unit]-
[Head] tab and press the [Blow] button for
each head.
54307-N8-00
3.1.4 Checking the cleaning blow valve operation (for all heads)
Check that the cleaning blow function for the spline shafts is working correctly.
c
Wear dust-proof goggles and mask to protect your face from blown air.
1
Remove the nozzles from all heads.
c
A strong air flow is exhausted during the cleaning blow.
Always remove all nozzles attached to the heads before
starting the cleaning blow. Starting the cleaning blow
while the nozzles are still attached may blow the
nozzles away from the heads causing the nozzles to
break or become lost.
2
Operate the cleaning blow valves.
1. Open the [Unit]-[I/O] tab.
2. Select [Head] from the Output dropdown
list and select the address for the head
shaft blow (T003C000).
3. Press the [ON/OFF] button
to operate the
cleaning valves of all heads.
54308-N8-00
3
Check the exhaust blow air of each
head.
Open the [Unit]-[Head] tab. Press the [Blow]
button of each head to check the exhaust
blow air from each head.
54309-N8-00
4
Turn OFF the cleaning blow valves.
Checking the blow air exhaust
Press the [Blow] button for each head.
Step 1
Operating the cleaning blow valves.
Step 2
Press the [ON/OFF] button. Select Select an address.
Select a head.
Checking the blow air
Step 3
[Blow] button
3-20
3
Periodic maintenance items
3.1.5 Cleaning the inside of the spline shaft
Dust or grime may adhere to the air path of spline shafts and cause component pickup or mounting errors.
Although depending on the air supply condition and operating time, the inside of each spline shaft should be
cleaned once every 3 months.
c
n
Required tools
• Phillips screwdriver
• Spanner (8mm, 19)
• Cleaning kit (option)
• Isopropyl alcohol
•
Paper cup or tray
• Cleaning rag
• Air blow tool (option)
c
e
1
Make the preparations for the
work.
1. Press the emergency stop button to put
the machine in the emergency stop
state.
2. Move the head to a convenient position
for maintenance work.
2
Remove the nozzles from all heads.
Remove all nozzles by hand.
3
Remove the spring suspending the
spline shaft.
Unhook the spring from the hook pin by
hand.
4
Remove the R-axis cover.
1. Remove the air hose from air joint.
2. Remove the three mounting bolts with
the Phillips screwdriver and remove the
cover.
53321-N8-00
Removing the cover
Step 4
Air hose
Cover
Mounting bolt
Air joint
Spring
3-21
3
Periodic maintenance items
5
Disconnect the air joint from the
spline shaft.
Fit the spanner (19) onto the bottom of the
head so that the head will not move,
remove the air joint with the spanner (8).
53322-N8-00
6
Prepare the cleaning kit .
1. Pour Isopropyl alcohol into the container
of the cleaning kit.
2. Place a Paper cup or tray under the
spline shaft to be cleaned.
c
Never use solvent other than Isopropyl alcohol.
7
Clean the inside of the spline shaft.
1. Insert the nozzle of the cleaning kit into
the cleaning hole of the spline shaft.
2. Isopropyl alcohol into the spline shaft air
path to clean away dust and grime.
53323-N8-00
8
Blow air into the spline air path.
1. Connect the air blow tool to an air
connector on the front of the machine.
2. Use the air blow tool to blow air through
the spline shaft while placing a rag
against the tip of the spline shaft.
Repeat the above procedure (steps 7
and 8) until the Isopropyl alcohol flowing
out from the spline shaft becomes clean.
3. Make sure that after blowing air, smear
no longer appears on the rag placed
against the tip of the spline shaft, and
then reattach the ejector as in step 5.
53324-N8-00
9
Repeat the cleaning procedure.
Repeat steps 3 to 8 to clean the inside of
the spline shafts of all heads.
0
Return the head to its original
state.
Return the head to its original state in the
reverse order of steps 2 to 5.
Disconnect the air joint
Step 5
Use the spanner (19) to hold the head.
air joint spanner (8)
Cleaning the spline shaft
Step 6
Nozzle of cleaning kit
Spline shaftPump of cleaning kit
Air blow into spline shaft
Step 8
Air blow tool