YS12P_YS12F_Mainte_E.pdf - 第110页

4-3 4 How to replace consumable parts 2. Replacing nozzle leaf springs If something unusual is found after perfor ming the work steps stated in "1.1.2 Checking the nozzle leaf springs" of Chapter 3, replace the…

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4-2
4
How to replace consumable parts
1.2 Replacing the nozzle O-ring
e
1
Remove the nozzle.
1. Press the emergency stop button to put
the machine in the emergency stop
state.
2. Remove the target nozzle manually.
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 flathead precision screwdriver.
53428-L6-00
3
Return the nozzle to its original
position.
Return the nozzle to the original head.
c
CAUTION
Be sure to return the nozzle to its original head. When
the nozzle has been removed from the nozzle station
(option), return it correctly to the storage position where
the nozzle was removed.
Replacing the nozzle O-ring
Step 2
304A/315A Nozzle
 Removing the O-ring
4-3
4
How to replace consumable parts
2. Replacing nozzle leaf springs
If something unusual is found after performing the work steps stated in "1.1.2 Checking the nozzle leaf
springs" 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
Leaf spring installation tool".
c
CAUTION
As a rule, be sure to replace a pair of parts even when only the nozzle leaf spring on one side deteriorates.
e
1
Remove the nozzle.
1. Press the emergency stop button and
then open the machine safety cover.
2.
Place a square cloth under the head unit.
3. Remove the nozzle manually from the
head that the target leaf spring is
attached.
c
CAUTION
When the machine is equipped with a nozzle station,
store 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 to be
replaced.
53400-M7-00
c
CAUTION
Remove the screw of leaf spring side only.
3
Install the new leaf spring.
With the leaf springs kept pushed upward,
tighten the mounting screw with the Phillips
precision screwdriver to mount the leaf
spring.
53401-L6-00
c
CAUTION
Make sure to attach the leaf springs in parallel.
4
Reattach the nozzle.
5
Check the nozzle attachment.
1. Insert the nozzle in place and check that
there is no gap between the leaf spring
and the nozzle.
2. Detach and attaching the nozzle several
times to check that no looseness is found.
3. Remove the
square cloth.
c
CAUTION
Be sure to return the nozzle to its original head. When
the nozzle has been removed from the nozzle station
(option), return it correctly to the storage position where
the nozzle was removed.
Step 2
Nozzle holder
Removing nozzle leaf springs
Nozzle leaf
spring mounting
screw
Nozzle leaf spring
Attaching nozzle leaf springs
Step 3
Leaf spring
Precision screwdriver
4-4
4
How to replace consumable parts
n
Leaf spring installation tool
When installing the nozzle leaf springs, use of the optional purchase part "leaf spring installation tool (P/
N:KGS-M8810-00X)" makes it possible to install the leaf springs more uniformly.
n
NOTE
If having this tool, installing the leaf springs with this tool is recommended.
e
1
Remove the nozzle.
1. Press the emergency stop button and then open the machine safety cover.
2. Place a square cloth under the head unit.
3. Remove the nozzle manually from the head that the target leaf spring is attached.
2
Remove the leaf springs.
Remove the mounting screw with a precision
Phillips screwdriver while holding the shaft, and
then remove the leaf springs to be replaced.
53400-M7-00
c
CAUTION
Remove the screw of leaf spring side only.
3
Install new leaf springs temporarily.
Loosen the leaf spring mounting screw 1/4
turn from its fully closed position to install the
leaf springs temporarily.
4
Insert the tool.
Insert the tool into the nozzle shaft so that the
groove on the leaf spring installation tool
matches to the convex part of the leaf spring.
Insert the tool all the way to the upper portion.
53429-L6-00
5
Mount the leaf springs.
With the convex part of the leaf springs and
the groove on the tool held with finger,
tighten the leaf spring mounting screw with
a precision Phillips screwdriver to mount the
leaf springs.
6
Check the leaf spring installation
status.
Check that the groove on the tool is tightly in
contact with the convex part of the leaf spring.
53430-L6-00
7
Remove the tool.
8
Check the nozzle installation status.
1. Attach and detach the nozzle manually
several times to check that no looseness
is found.
2. Remove the square cloth.
c
CAUTION
Be sure to return the nozzle to its original head. When
the nozzle has been removed from the nozzle station
(option), return it correctly to the storage position where
the nozzle was removed.
Insert the tool all the way
to the upper portion.
Leaf spring installation tool
Using the leaf spring installation tool
Step 4,5
Tighten the screw while
holding the convex part of
the leaf spring and the
groove on the tool.
Checking the leaf spring installation status
Step 6
The convex part of the leaf spring must be
tightly in contact with the groove on the tool.
Step 2
Nozzle holder
Removing nozzle leaf springs
Nozzle leaf
spring mounting
screw
Nozzle leaf spring