YC8_Mainte_E - 第89页
5-5 5 How to replace consumable parts 2.3 Replacing the cleaning blow valve ■ Required tools • Precision phillips screwdriver • Square cloth 1 Make the prepar ations for the work. 1. Quit the software and turn off the ma…

5-4
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How to replace consumable parts
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The block cannot be attached unless the bit is inserted
correctly.
5
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.
53507-N8-00
4
Attach the new solenoid coil
(value).
53508-N8-00
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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

5-5
5
How to replace consumable parts
2.3 Replacing the cleaning blow valve
■
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
cleaning blow valve.
53509-N8-00
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CAUTION
When disconnecting the connector, do not pull the
harness.
3
Remove the cleaning blow valve.
Use a precision Phillips screwdriver to loosen
the two screws securing the cleaning blow
valve and then remove the blow valve.
4
Attach a new cleaning blow valve
using the reverse procedure of step 3.
Also reconnect the air hoses and connectors
back to their original positions.
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CAUTION
Be careful not to lose the gasket, or not to fit it inside-
out or pinch it.
5
Supply air to the machine and turn
on the machine power.
When the machine has started, perform
return-to-origin.
6
Check the operation.
Generate a negative pressure (vacuum)
with the same procedure described in 3.1.4,
"Checking the cleaning blow valve
operation" in Chapter 3, and check that no
abnormal values appear.
Removing the cleaning blow valve
Step 2
Cleaning blow valve
Mounting screw
(2 pieces)
connector

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How to replace consumable parts
3. Conveyor belt
The following describes how to replace the conveyor belt.
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Required tools
• Hex wrench (3mm, 4mm, 5mm)
• Fine brush
• Cleaning rag
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1
Press the emergency stop button.
The machine must be in emergency stop to
ensure safety during work.
2
Slacken the belt.
Loosen the belt tensioner bolt with the hex
wrench (4, 5) and slide the bolt fully along
the elongate hole (in the direction of
slackening the belt).
53510-N8-00
3
Detach the belt.
1. Use the hex wrench (3) to loosen the bolt
securing the belt drive pulley and pull
the shaft away from the pulley.
2. Detach the belt from the pulley and take
it out through the space between the
pulley and the shaft.
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4
Remove the board clamp assembly.
Use the hex wrench (3) to remove the
mounting bolts (3 places) and remove the
board clamp ASSY.
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Slackening the belt
Step 2
Hex wrench (5)
Tension bolt
Hex wrench (4)
Removing the shaft
Step 3
Drive pulley
Hex wrench (3)
Shaft
Removing the board clamp assembly
Step 4
Hex wrench (3)
Board clamp assembly