YS12P_YS12F_YG12F_Mainte_E.pdf - 第91页
4-4 4 How to replace consumable parts 2.3 Replacing the cleaning blow valve 1 T urn off the air supply and the pow er to the machine. Quit the softw are and turn of f the machine pow er switch. Then turn the air supply/s…
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How to replace consumable parts
2.2 Replacing a solenoid coil
1
Turn off the air supply and the
power to the machine.
Quit the software and turn off the machine
power switch. Then turn the air supply/shutoff
valve inside the machine lower left panel to
the right, to stop the air supply.
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2
Move the head to a convenient
position for replacement work.
3
Disconnect the connectors of the
ejector harness.
Disconnect all connectors of the ejector
harness.
4
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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5
Attach a new solenoid coil.
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6
Reconnect the ejector harness.
Reconnect the connectors of the ejector
harness.
7
Supply air to the machine and turn
on the machine power.
When the machine has started, perform
return-to-origin.
8
Check the operation.
Generate a negative pressure (vacuum)
with the same procedure described in 3.1.2,
"Checking the blow valve operation" in
Chapter 3, and check that no abnormal
values appear.
Shutting off the air supply
Step 1
Air supply/shutoff
switch
Removing the solenoid coil
Step 4
Precision Phillips screwdriver
Solenoid coil
Gasket
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How to replace consumable parts
2.3 Replacing the cleaning blow valve
1
Turn off the air supply and the
power to the machine.
Quit the software and turn off the machine
power switch. Then turn the air supply/shutoff
valve inside the machine lower left panel to
the right, to stop the air supply.
2
Move the head to a convenient
position for replacement work.
3
Disconnect the connectors of the
cleaning blow valve.
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harness.
4
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.
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5
Attach a new cleaning blow valve
using the reverse procedure of step 4.
Also reconnect the air hoses and connectors
back to their original positions.
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out or pinch it.
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.
Generate a negative pressure (vacuum)
with the same procedure described in 3.1.3,
"Checking the cleaning blow valve
operation" in Chapter 3, and check that no
abnormal values appear.
Disconnecting the connector
Step 3
Blow valve connector
Blow valve
Removing the cleaning blow valve
Step 4
Precision Phillips screwdriverBlow valve
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How to replace consumable parts
3. Cleaning and replacing the conveyor belts
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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 M4
hex wrench and slide the bolt fully along the
elongate hole (in the direction of slackening
the belt).
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3
Detach the belt.
Using the M3 hex wrench, loosen the bolt
securing the belt drive pulley and pull out
the shaft. Then 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.
Using the M3 hex wrench, remove the two
bolts securing each board clamp assembly
and remove the board clamp assemblies
(two assemblies per belt).
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Loosening the belt tensioner bolt
Step 2
Tensioner bolt
Removing the shaft
Step 3
Shaft
Drive pulley
Removing the board clamp assembly
Step 4
Board clamp assembly Board clamp assembly mounting bolt