M3plus_MaintenanceManual_e.pdf - 第57页
4- 2 How to replace consumable parts 4 2. Ejector valves 1 Turn off the machine power switch. Quit the software operation and turn off the machine power switch. 2 Cut off the air supply. Open the left side cover of the m…
4-1
How to replace consumable parts
4
1. Nozzle leaf springs
1
Press the emergency stop button.
e
The machine must be in emergency stop to ensure
safety during work.
2
Remove the nozzle.
Remove the nozzle attached to the leaf springs to
be replaced, by pulling it downwards by hand.
3
Remove the leaf springs.
Use a Phillips precision screwdriver to loosen the
screws securing the defective leaf springs and
remove the leaf springs from the nozzle holder.
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4
Attach new leaf springs.
While pressing the new leaf spring up against the
nozzle holder, tighten the screw with the Phillips
precision screwdriver to assemble the leaf spring.
At this point, do not forget to fit the washer.
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5
Check the assembled condition.
1. Check the gap between the leaf springs and
nozzle.
2. Attempt detaching and attaching a nozzle
several times to check that there is no
looseness.
Reference
• Attach the leaf springs with a screw while gently pushing up.
• Make sure that the lead springs do not move right and left.
Removing leaf springs
Step 3
Nozzle leaf spring
mounting washer
Nozzle holder
Nozzle leaf spring
mounting screw
Push up gently. Should not move right and left.
Attaching leaf springs
Step 4
While pressing here, tighten the screw.
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How to replace consumable parts
4
2. Ejector valves
1
Turn off the machine power switch.
Quit the software operation and turn off the
machine power switch.
2
Cut off the air supply.
Open the left side cover of the machine and
disconnect the air hose from the air coupler to cut
off the air supply.
3
Move the head assemble to the work
position.
1. Use the head movement handle to move the
head all the way to the front.
2. Open the front cover.
4
Remove the blow valve.
1. Detach the blow valve connector.
2. Use the Phillips precision screwdriver to loosen
the two screws securing the blow valve to the
ejector valve to be replaced, then remove the
blow valve.
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c
CAUTION
Be careful not to drop and lose the gasket fitted to the
backside of the blow valve and the screws.
5
Remove the ejector valve.
1. Detach the ejector connector.
2. Use the Phillips precision screwdriver to loosen
the two screws and remove the ejector valve.
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c
CAUTION
Be careful not to drop and lose the gasket and screws.
6
Attach a new ejector valve.
1. Assemble the new ejector valve in the reverse
order of steps 4 and 5.
2. Reconnect the connectors.
Reconnect the connectors of the blow valve
and ejector valve just replaced.
c
CAUTION
Do not forget to fit the gasket in place. Use caution not to fit
the gasket inside-out or to pinch it.
7
Check the ejector operation.
Supply air to the machine and turn on the power
switch. Operate the machine so that the head using
the replaced valve picks up a component securely.
Removing the blow valve
Step 4
Precision screwdriver
Loosen these two screws.
Removing the ejector valve
Step 5
Loosen these two screws.
Valves on the head assembly
Step 4,5
Blow valve connectorBlow valve
Ejector valve connectorEjector valve
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How to replace consumable parts
4
3. Conveyor belt
1
Press the emergency stop button.
e
The machine must be in emergency stop to ensure
safety during work.
2
Slacken the conveyor belt.
Mark the original position of the belt tension
adjustment bolt and then loosen the belt tension
adjustment bolt with a hex wrench.
3
Remove the shaft.
1. Use a hex wrench and spanner to loosen and
remove the bolt securing the pulley to the shaft.
2. Loosen the two setscrews on the drive pulley.
3. Pull out the shaft.
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4
Detach the conveyor belt from the
conveyor.
Detach the belt from the pulley and take it out
through the space between the pulley and the
shaft. When detaching the belt on the movable
conveyor rail side, narrowing the conveyor width
makes it easier to detach the belt.
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5
Clean the conveyor rail.
Use a fine brush or air blow gun (weak air blow) to
clean the PCB transfer section.
6
Attach a new conveyor belt.
1. Temporarily fit a new belt onto the pulley.
2. Reconnect the shaft to the pulley and attach the
bolt while aligning the position.
3. Tighten the setscrews on the drive pulley and
then tighten the pulley bolt.
4. Move the belt tension adjustment bolt to the
original position where you put a mark and then
tighten the bolt securely.
7
Check the belt rotating condition.
1. Open the [Unit]-[Conveyor] tab screen, and turn
on the conveyor motor with the conveyor drive
button. Then check the belt rotation.
2. If the rotation speed fluctuates or there is slack
in the belt, adjust the position of the tension
adjustment bolt and then check the rotation
again.
Removing the shaft (1)
Step 3
Hex wrench
Pulley connection bolt
Spanner
Removing the shaft (2)
Step 3
Setscrew (2 places) Drive pulley
Detaching the conveyor belt
Step 4
Shaft Conveyor belt