YC8_Mainte_E.pdf - 第87页
5-3 5 How to replace consumable parts 2. Ejector unit When the function of the ejector bit, solenoid valve or cleaning blow valve has decreased, replace it as described below . This section describes the replacement proc…
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How to replace consumable parts
1.2 Replacing the roller lock
1
Remove the nozzle arm ASSY.
Use a hex wrench to remove the mounting
screws. The leaf springs and nozzle arm ASSY
are then removed.
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2
Attach a new nozzle arm ASSY.
Attach the nozzle arm ASSY while pushing
the leaf spring upward with the hex wrench.
Be careful not to forget to attach the
washer.
3
Check the attached condition.
1. Check that there is no gap between the
leaf springs and roller.
2. Attempt detaching and attaching the
nozzle several times to check that there
is no looseness.
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Replacing only the roller
The following describes how to replace only the roller
after the nozzle arm ASSY has been removed.
1
Remove the circlip.
As shown in the figure on the right, push the
top end of the circlip of the roller with a
slotted screwdriver to remove it.
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2
Remove the roller.
Pull out the shaft to remove the roller to be
replaced.
3
Attach a new roller.
Insert the shaft into a new roller as shown in
the figure on the right.
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4
Attach the circlip.
Attach the circlip with a slotted screwdriver
as shown in the figure on the right.
Removing the nozzle arm ASSY
Step 1
Leaf spring
Nozzle arm ASSY
Mounting screw
Washer
Removing the circlip.
Step 1
Shaft
Circlip
Roller
Attaching a new roller
Step 3
Shaft
New roller
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How to replace consumable parts
2. Ejector unit
When the function of the ejector bit, solenoid valve or cleaning blow valve has decreased, replace it as
described below. This section describes the replacement procedures, using the V2 head machine as an
example.
2.1 Replacing an ejector bit
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Required tools
• Precision slotted screwdriver
• Cotton swab stick (option)
• Air blow tool (option)
• Replacement parts (See 2.1.2 “Consumable parts and replaceable parts (for repairs)” in Chapter 1.
• Square cloth
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1
Make the preparations for the
work.
1. Turn the air supply/shutoff valve inside
the machine lower left panel to the right,
to stop the air supply.
2. Put a square cloth on the conveyor.
3. Move the head to a position where the
work can be made easily.
2
Remove the bit.
1. Disconnect the air hose from the air joint
on the block.
2. Use the precision slotted screwdriver to
remove the screws (2 pieces) securing
the block and remove the block.
3. The end of the bit is seen, so pull it out by
hand
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The removed bit cannot be reused. Reuse may cause
component pickup errors.
3
Clean the bit installation hole.
Remove dust or grime in the installation hole
using the air blow tool, lint-free cotton swab,
etc.
4
Install a new bit.
1. Fit an O-ring to the new bit.
2. Insert the bit into the installation hole
while aligning the flat notches on the bit
with the flat sides of the installation hole.
3. Reattach the block in the reverse order
of step 2.
Removing the bit
Step 2
Bit installation hole
Mounting screw (2 pieces)
block
BIT
N BIT
O-ring
Flat notch
O-ring
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How to replace consumable parts
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The block cannot be attached unless the bit is inserted
correctly.
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Supply air to the machine.
Turn the air supply/shutoff valve inside the
machine lower left panel to the left, to start
the air supply.
2.2 Replacing the solenoid coil (value)
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Required tools
• Precision phillips screwdriver
• Square cloth
1
Make the preparations for the
work.
1. Quit the software and turn off the
machine power switch.
2. Turn the air supply/shutoff valve inside
the machine lower left panel to the right,
to stop the air supply.
3. Put a square cloth on the conveyor.
4. Move the head to a position where the
work can be made easily.
2
Disconnect the connectors of the
ejector harness.
Disconnect all connectors of the ejector
harness.
3
Remove the solenoid coil to be
replaced.
Use a precision Phillips screwdriver to loosen
the two screws securing the solenoid coil
and then remove the solenoid coil.
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4
Attach the new solenoid coil
(value).
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body.
5
Reconnect the ejector harness.
Reconnect the connectors of the ejector
harness.
6
Supply air to the machine and turn
on the machine power.
When the machine has started, perform
return-to-origin.
7
Check the operation.
Press the [Vacuum] and [Blow buttons on the
[Unit]-[Head] tab screen, and check that no
abnormal values appear.
Removing the solenoid coil (value)
Step 3
Solenoid coil (value) Mounting screw (2 pieces)
connector
Attach the new solenoid coil (value)
Step 4
Solenoid coil (value)
Gasket