YG12_英文保养手册.pdf - 第92页

4-7 4 How to replace consumable parts 5. Cleaning and replacing the conveyor belts e 1 Pr ess the emer gency stop button. The machine must be in emergency stop to ensure safety during work. 2 Slacken the belt. Loosen the…

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How to replace consumable parts
4. Replacing a feeder valve (YG12)
1
Turn off the machine power switch.
Quit the application software (VGOS) and
turn off the machine power switch by turning
it to the left.
2
Shut off the air supply.
Open the lower left cover on the front of the
machine and turn the air supply/shutoff
switch to the right to cut off the air supply.
3
Remove the wire harness cover.
1. UseaPhillipsscrewdrivertoloosenand
remove the four screws that secure the
wire harness cover to the machine body.
2. Remove the air hose connected to the
wire harness cover.
53414-L5-00
4
Remove the feeder valve.
1. Detach the connector from the feeder
valve to be replaced.
2. Useaprecisionscrewdrivertoloosenthe
two screws and remove the feeder valve.
53415-L5-00
5
Remove the air hose.
Remove the air hose for the feeder valve to
be replaced. Cutting the air hose makes it
easier to remove the air hose.
(New air hoses are included in the feeder
valve kit that comes with the machine.)
6
Attach a new feeder valve and the
wire harness cover.
Install the new feeder valve and wire
harness cover in the reverse order of steps 3
and 4.
c
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7
Connect an air hose.
Connect a new air hose to the new feeder
valve.
8
Check the ejector operation.
1. Supply air to the machine and turn on
the machine power switch.
2. Install a feeder at the new feeder valve
position.
3. Openthe[Unit]-[Feeder]tabscreenand
turn the feeder on and off, to check the
feeder valve and LED operations.
53416-L5-00
Removing the wire harness cover
Step 3
Wire harness cover
Remove this screw (4 places).
Air hose
Removing the feeder valve
Step 4
Valve connector
Checking the feeder valve operation
Step 8
LED lamp
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How to replace consumable parts
5. Cleaning and replacing the conveyor belts
e
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).
53417-L5-00
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.
53418-L5-00
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).
53419-L5-00
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
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4
How to replace consumable parts
5
Detach the belt from the conveyor.
53421-L5-00
6
Clean the conveyor rail.
Use a fine brush or cleaning cloth to clean
the gap between the conveyor rail and
board guide.
7
Attach a new belt.
1. Temporarily fit a new belt onto the pulley.
2. Reconnect the shaft to the pulley and
tighten the bolt.
3. Tighten the belt tensioner bolt while
applying a proper tension to the belt by
moving the belt tensioner bolt.
8
Reattach the board clamp assembly.
1. Install the board clamp assembly in the
original position and temporarily tighten
the bolts to secure the board clamp
assembly.
2. Onthe[Unit]–[Conveyor]tab,pressthe
[Board Clamp] button to raise the board
clamp assembly and tighten the bolts
securely.
53422-L5-00
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and the board clamp raised.
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Check the belt rotating condition.
1. Openthe[Unit]-[Conveyor]tab,and
press the [Board Clamp] button again to
unclamp. At this point, make sure that
the top of the board clamp assembly is
0.5mm lower than the upper surface of
the belt.
2. Onthe[Unit]-[Conveyor]tab,pressthe
[Conveyor In] button or [Conveyor Out]
button to turn on the conveyor motor
and check the belt rotation.
3. If the rotation speed fluctuates or there is
slack in the belt, adjust the position of
the tensioner bolt and then check the
rotation again.
Step 5
Detaching the belt from the conveyor
Pull out the belt.
Installing the board clamp assembly
Step 8
Board clamp assembly
0.5 mm
Board clamp
Belt upper surface