YSM20R_YSM20WR_Mainte_E.pdf - 第163页
6-7 6 How to replace consumable parts 3. Head unit If an operation failure occurs in the operation valve, blow valve, or blow valve for cleaning of the head, follow the steps below to replace the defective valve. 3.1 HM …
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How to replace consumable parts
2.2 FM head: Replacing roller lock
e
1
Remove the nozzle.
1. Press the emergency stop button and then open the machine safety cover.
2. If the machine is carriage type, detach the carriage to easily access to the head.
3. Place a square cloth under the head unit.
4. Remove the target nozzle manually.
2
Detach the nozzle arm assembly.
1. Remove 2 bolts mounting the nozzle arm
assembly with hex wrench (1.5).
2. Remove the nozzle arm assembly by
pulling it down.
c
CAUTION
The O-rings are on the shaft. So, be careful not to
damage the O-ring when pulling out the nozzle arm
assembly.
3
Replace the nozzle arm assembly.
4
Check the attached condition.
1. Check that there is no clearance
between the leaf spring and roller.
2. Detach/attach the nozzle several times
to check that there is no looseness.
3. Remove the square cloth.
n
NOTE
Return the removed nozzles to the original positions of
the head. If removed nozzles from the nozzle station
(option), return them to the original storage positions.
n
Replacing the roller only
The following describes how to replace only the roller
after the nozzle arm assembly has been removed.
1
Remove the circlip.
Push the circlip of the roller shaft with a
precision flat-head screwdriver to remove it.
2
Remove the roller.
Pull out the shaft and remove the roller.
3
Attach a new roller.
Insert the shaft into a new roller and nozzle
arm assembly.
4
Attach the circlip.
Attach the circlip with a flat-head precision
screwdriver.
Detaching nozzle arm assembly
Step 2
Nozzle arm assembly
Nozzle arm assembly
mounting bolt
O-ring
53608-KMK-00
Removing the circlip
Step 1
Shaft
Circlip
Roller
53609-KMK-00
Attaching a new roller
Step 3
Shaft
New roller
53610-KMK-00
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How to replace consumable parts
3. Head unit
If an operation failure occurs in the operation valve, blow valve, or blow valve for cleaning of the head,
follow the steps below to replace the defective valve.
3.1 HM head: Replacing valves
1
Turn off the air supply and power
off the machine.
1. Exit the software and power off the
machine.
2. Turn the “Air supply/exhaust” switch
(valve) clockwise (Exh) to turn off the air
supply.
2
Make the preparations for work.
1. Move the head to an easy-to-work
position manually.
2. Place a square cloth under head unit.
3
Detach the baffle plate. (Only when
replacing the operation valve)
Remove the baffle plate mounting screws (2
pcs.) with a Phillips screwdriver.
4
Detach the head plate. (Only when
replacing the blow valve)
Remove the head plate mounting bolts (4
pcs.) with a hex wrench (3). The cables are
connected to the head plate. However,
these cables do not need to be
disconnected.
5
Disconnect the connector.
Disconnect the connector of the valve you
want to replace.
Detaching the HM head baffle plate
Step 3
Baffle plate
Mounting screw (2 locations)
53611-KMK-00
Detaching the HM head plate
Step 4
Head plate
Mounting bolt (4 locations)
53612-KMK-00
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How to replace consumable parts
6
Replace the valve.
Remove 2 mounting screws of the valve to
be replaced with a precision Phillips
screwdriver, and then replace the valve.
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CAUTION
The packing is attached to the back of the valve.
Replace the valve with a new one while carefully
checking the packing for dropping or catching.
7
Return the parts to their original
positions.
Return the connector, head plate, and
baffle plate to their original positions.
8
Check the valve operation.
Turn on the supply air and power on the
machine. Then check the operation of each
valve on the [Unit] - [Head] screen or [I/O]
screen.
c
CAUTION
When checking the operation of the blow valve for
cleaning on the [I/O] screen, be sure to remove the
nozzles from all heads.
Replacing the HM head valve
Step 6
Blow valve Mounting screw (2 locations)
Blow valve for cleaning
Mounting screw (2 locations)
Operation valve
Mounting bolt (2 locations)
The packing is attached to the back of the valve.
Be careful not to drop this packing.
53613-KMK-00