YS12P_YS12F_Mainte_E.pdf - 第91页

3-26 3 Periodic maintenance items 4.4 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 supply…

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3
Periodic maintenance items
5
Operate the cleaning blow valves.
1. Open the [Unit] - [I/O] screen.
2. Select "Head" from the Output drop-
down list. Select the address of the head
shaft blow (T003C000).
3. Press the [ON/OFF] button on the left
once. The address indication changes
from 0 to 1. The cleaning blow valve start
operating.
54313-L6-00
6
Check the cleaning blow condition.
1. Place finger under each head. Check
that the stronger air is exhausted from all
heads.
2. Press the [ON/OFF] button on the [Unit]
- [I/O] screen again. The address
indication changes from 1 to 0. The
cleaning blow valve is closed.
3. Check that the less air is exhausted
If the strength of the air exhausted from the
head does not change even operating the
cleaning blow valve, the cleaning blow
valve needs to be replaced. Replace it
referring to chapter 4, "3.3 Replacing the
cleaning blow valve".
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CAUTION
Make sure to wear safety goggles as the exhausted air
blow may strike face.
7
Shut the blow valve OFF.
Press the [Blow] buttons of all heads on the
[Unit] - [Head] screen to stop the blow
operation.
8
Return the nozzles.
Return the nozzles to the original position if
they were removed from the head manually.
Step 5
Operating cleaning blow valves
Press the [ON/OFF] button. Select address.
Select head.
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Periodic maintenance items
4.4 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.
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CAUTION
If spline shaft movement becomes unstable or abnormal noise is heard from a spline shaft, contact YAMAHA sales
representative. Disassembly and cleaning of the spline shaft by the user will void the warranty.
4.4.1 Cleaning the inside of the spline shaft
1
Remove the nozzles from all heads.
With the nozzle station
1. Press the [Nozzle Change] button on the
[Unit] - [Head] screen.
2. Select "ALL" from the "Head Number" and
select "Store Nozzle" from the "Nozzle
Type" on the "Nozzle Change" screen.
3. Press the [OK] button to store all nozzles
in the nozzle station.
54316-L6-00
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NOTE
If the machine is not equipped with a nozzle station,
remove all nozzles manually after opening the machine
safety cover
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2
Move the head unit forward.
1. Press the emergency stop button and
then open the machine safety cover.
2. Move the head unit forward.
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NOTE
In the case of YS12P, move the scan camera to the
right or left away from the head unit so that the scan
camera will not get dirty.
3
Disconnect the air hoses from each
spline shaft.
Disconnect the air hoses inserted into the
upper part of the spline shafts of each head.
53318-L6-00
Disconnecting the air hoses
Step 3
Air hose
Spline shaft air joint
Spline shaft
Storing nozzles
Step 1
Head Number : “ALL ”, Nozzle Type : “Store Nozzle”
[Nozzle Change] button
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Periodic maintenance items
4
Remove the ejector unit bracket.
Use the hex wrench remove the 4 bolts
mounting the ejector unit bracket.
53309-L6-10
5
Remove the spring suspending the
spline shaft.
1. After removing the ejector unit bracket,
keep its hooked as shown at the right.
2. Unhook the spring from the hook pin by
hand.
53320-L6-10
6
Prepare the cleaning kit.
1. Pour IPA (isopropyl alcohol) into the
container of the cleaning kit.
2. Place a container or a cloth under the
head to be cleaned to receive IPA.
53319-L6-00
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CAUTION
Never use solvent other than IPA (isopropyl alcohol).
7
Remove the maintenance bolt for
spline shaft cleaning.
Use the precision wrench to remove the
maintenance bolt.
53321-L6-10
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CAUTION
A washer packing is fitted to the maintenance bolt. Be
careful not to drop it.
Step 4
Removing the ejector unit bracket
Hook
Ejector unit bracket
Ejector valve
Mounting bolt
Cleaning kit
Step 6
Pump
Nozzle
Unhooking the spring
Step 5
Spring hook pin
Spring
Ejector unit bracket
Spline shaft
Removing the maintenance bolt
Step 7
Precision wrench
Maintenance bolt
Joint block