YS100_Mainte_E - 第103页
3-38 3 Periodic maintenance items 4.4.2 Checking the negative pressure After cleaning the spline shafts, chec k the negativ e pressure. 1 After cleaning, check the vacuum lev els. 1. Leave nozzles detached from the heads…
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Periodic maintenance items
5
Clean the inside of each spline
shaft.
1. Insert the nozzle of the cleaning kit into
the spline shaft until the stopper on the
nozzle tube makes contact with the top
of the spline shaft.
2. Pour alcohol (IPA) into the spline shaft air
path to clean away dust and grime.
53352-L1-00
6
Blow air into the spline air path.
1. Insert the air hose into the fitting at the
top of the spline shaft to be cleaned.
2. Open the [Unit]-[Head] screen on the
operation display.
3. Press the [Blow] button on the operation
display to blow air into the spline air path
while placing cloth under the lower end
of the spline shaft.
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c
CAUTION
Make sure to wear safety goggles as the exhaust
blowing air might strike face.
7
Repeat the above procedure.
Disconnect the air hose and repeat step 5
and then step 6.
When the IPA flowing out from the spline
shaft becomes clean, blow air through the
spline air path as the last cleaning step. Use
the same procedure to clean all other
heads.
8
Reconnect the air hoses back to
their original positions.
Return the nozzle to its original head if nozzle
was removed manually.
Cleaning the spline shaft
Step 5
Cleaning tool
Blowing airinto spline shaft
Step 6
[Blow] button
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Periodic maintenance items
4.4.2 Checking the negative pressure
After cleaning the spline shafts, check the negative pressure.
1
After cleaning, check the vacuum
levels.
1. Leave nozzles detached from the heads.
2. Press the [Vacuum] button in the [Unit]
– [Head] screen to generate a negative
pressure, and read the value displayed in
“Maximum Value” of the screen.
Check the value is the standard value or
less in the open state as shown below.
54309-L1-00
2
Reattach the nozzles.
Return the ANC nozzles to the nozzle station,
and attach the FNC nozzles back to the
heads by referring to "2.2.4 Reassembling
the FNC nozzle assembly".
n
Standard value in spline air path
When spline shaft is open : 80 or less
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NOTE
The vacuum level in the spline shaft air path might sometimes differ slightly depending on the air source and operating
conditions. Use the above standard value for reference during maintenance.
Checking the vacuum level
Step 1
[Vacuum] button
Read "Max" values.
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Periodic maintenance items
4.5 Checking spline shaft operation
4.5.1 Checking spline shaft Z-axis operation
The following describes the operation inspecting of the spline shaft Z-axis.
e
1
Move the head unit.
1. Press the emergency stop button and
then open the machine safety cover.
2. Move the head unit forward.
2
Move spline shaft Z-axis up or
down.
Push down the joint block of the spline Z axis
with your finger. The joint block returns to the
original position by releasing finger. Check
that no heaviness, unsteady movement, or
abnormal sound compare to the other spline
shaft is found.
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NOTE
If lacking grease on the surface of the spline shaft, the
surface may get rusted. Make sure not to touch the
shaft area.
c
CAUTION
If operating machine with the unsteady movement of
the spline shaft may cause fatal accidents. Stop
operating the machine if any abnormality is noticed
and contact YAMAHA sales representative.
Step 2
Push down the joint block with finger.
Moving Z-axis