YS24X_Mainte_E - 第138页

6-2 6 How to replace consumable parts 1.2 Replacing the nozzle O-ring e 1 Remo ve the nozzle. 1. Press the emergency stop button and then open the machine safety cover . 2. If the machine is equipped with a carriage, rem…

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How to replace consumable parts
1. Nozzle
If the nozzle tip or O-ring is worn out as the nozzle is used for a long time, this may cause the placement
or pickup error. Additionally, if the buffing operation is not smooth even after cleaning and lubricating the
nozzle, the spring may need to be replaced.
1.1 Replacing the nozzle tip and spring
e
1
Remove the nozzle.
1. Press the emergency stop button and
then open the machine safety cover.
2. If the machine is equipped with a
carriage, remove the carriage to allow
you to easily access the head.
3. Remove the target nozzle by hand.
2
Replace the nozzle tip and spring.
1. Detach the clip.
2. Pull out the nozzle pin.
3. Replace the spring or nozzle tip.
4. Secure the nozzle tip with the pin. A
groove is provided on the nozzle tip.
Insert the pin along the groove.
5. Attach the clip. If the clip is loose or
deformed, replace it.
53600-L4-00
c
CAUTION
See chapter 1,"2.1.2 Nozzles" , and check that the
nozzle marking (example: 301A, 303A) printed on the
nozzle’s main unit side and the tip shape matches.
c
CAUTION
Be careful not to deform the clip.
3
Lubricate the buffing area.
Lubricate the nozzle buffing area while
referring to"1.2.1 Cleaning and lubricating
the nozzle buffing area" in Chapter 3.
4
Return the nozzle to its original
position.
Return the nozzle you have removed to the
head.
c
CAUTION
Be sure to return the nozzle you have removed to its
original head. When the nozzle has been removed from
the nozzle station (option), return it correctly to the
storage position where you have removed the nozzle.
Replacing the nozzle tip
Step 2
Detach the clip.
Pull out the pin.
■ Detaching/attaching the tip
Spring
Nozzle tip
Groove
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How to replace consumable parts
1.2 Replacing the nozzle O-ring
e
1
Remove the nozzle.
1. Press the emergency stop button and
then open the machine safety cover.
2. If the machine is equipped with a
carriage, remove the carriage to allow
you to easily access the head.
3. Remove the target nozzle by hand.
2
Replace the nozzle O-ring.
Remove the O-ring and replace it with a
new one.
If the O-ring is difficult to remove, remove it
with a precision slotted screwdriver.
53601-L4-00
3
Return the nozzle to its original
position.
Return the nozzle you have removed to the
head.
c
CAUTION
Be sure to return the nozzle you have removed to its
original head. When the nozzle has been removed from
the nozzle station (option), return it correctly to the
storage position where you have removed the nozzle.
Replacing the nozzle O-ring
Step 2
304A Nozzle
 Removing the O-ring
307A Nozzle
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How to replace consumable parts
2. Nozzle leaf springs
If an error is found after performing the work steps stated in"1.1.2 Checking the leaf spring" of Chapter 3,
replace the nozzle leaf springs as stated below. If you have a leaf spring installation tool, follow the latter
procedure in this section "
n
Using the leaf spring installation tool to replace the leaf springs".
c
CAUTION
As a rule, be sure to replace a pair of components even when only the nozzle leaf spring on one side deteriorates.
n
Replacing the leaf springs without using the leaf spring installation tool
e
1
Remove the nozzle.
1. Press the emergency stop button to put the machine in the emergency stop state.
2. If the machine is equipped with a carriage, remove the carriage to allow you to easily access the
head.
3. Place a square cloth under the head unit.
4. Remove the nozzle, to which the leaf springs you want to replace are attached, by hand.
c
CAUTION
When the machine is equipped with a nozzle station,
return all nozzles to the nozzle station.
2
Remove the leaf springs.
Remove the mounting screw with a precision
Phillips screwdriver while holding the shaft,
and then remove the leaf springs you want
to replace.
53602-L4-00
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CAUTION
Remove the screw of leaf spring side only.
3
Install the new leaf springs.
With the leaf springs kept pushed upward,
tighten the mounting screw with the Phillips
precision screwdriver to assemble the leaf
springs.
53603-L4-00
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CAUTION
Always attach the leaf springs so that they become
parallel.
4
Reattach the nozzle.
5
Check that the nozzle is held
securely.
1. Insert the nozzle in place and check that
there is no gap between the leaf spring
and the nozzle.
2. Attempt detaching and attaching the
nozzle several times to check that there
is no looseness.
3. Remove the square cloth.
c
CAUTION
Be sure to return the nozzle you have removed to its
original head. When the nozzle has been removed from
the nozzle station (option), return it correctly to the
storage position where you have removed the nozzle.
Removing nozzle leaf springs
Step 2
Nozzle holder
Nozzle leaf spring mounting screw
Nozzle leaf spring
Attaching nozzle leaf springs
Step 3
Leaf spring
Precision screwdriver