YSM20R_YSM20WR_Mainte_E.pdf - 第159页

6-3 6 How to replace consumable parts 2. Nozzle leaf springs and roller lock If an error is found after perfor ming "1.1.2 Checking leaf spring/roller lock" in chapter 3, it is necessary to replace the nozzle l…

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6
How to replace consumable parts
1.2 Replacing 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 carriage type, detach
the carriage to easily access to the
machine inside.
3. 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 precision flat-head screwdriver.
3
Return the nozzle to its original
position.
Return the removed nozzles to the head.
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.
Replacing the nozzle O-ring
Step 2
304A Nozzle
 Removing the O-ring
307A Nozzle
53601-KMK-00
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How to replace consumable parts
2. Nozzle leaf springs and roller lock
If an error is found after performing "1.1.2 Checking leaf spring/roller lock"in chapter 3, it is necessary to
replace the nozzle leaf springs or roller lock.
c
CAUTION
As a rule, be sure to replace a pair of parts even when only the nozzle leaf spring or roller lock (roller) on one side
deteriorates.
2.1 Replacing nozzle leaf springs
The following describes how to replace the nozzle leaf spring (hereafter "leaf spring"). If the leaf spring
attachment tool is provided, see " About leaf spring positioning tool" described later on.
2.1.1 HM head
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 nozzle with the target leaf spring manually.
n
NOTE
When the machine is equipped with a nozzle station,
store all nozzles to the nozzle station.
2
Detach the leaf springs.
Remove the mounting screw with a precision
Phillips screwdriver while holding the shaft.
Then remove the leaf springs to be replaced.
c
CAUTION
Only remove the screw of leaf springs.
3
Attach the new leaf spring.
With the leaf springs kept pushed upward,
tighten the mounting screw with the Phillips
precision screwdriver to assemble the leaf
spring.
c
CAUTION
Make sure to attach the leaf springs parallel.
4
Attach the nozzle.
5
Check that 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/attaching 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.
Detaching leaf spring
Step 2
Precision screwdriver
Leaf spring to be replaced
53602-KMK-00
Attaching new leaf spring
Step 3
New leaf spring
Mounting screw
While pressing the leaf spring
upward, tighten the mounting screw.
53603-KMK-00
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How to replace consumable parts
n
About leaf spring positioning tool
When installing the HM head nozzle leaf springs, use of the optional purchase part "leaf spring attachment tool
(P/N:KGS-M8810-00X)" makes it possible to install the leaf springs more uniformly.
n
NOTE
If the leaf spring positioning tool is provided, it is recommended to attach leaf springs with the tool.
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 nozzle with the target leaf spring manually.
n
NOTE
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.
Then remove the leaf springs to be replaced.
c
CAUTION
Remove only the screw of leaf springs.
3
Attach leaf springs temporarily.
Loosen the leaf spring mounting screw 1/4
turn from its fully closed position to attach
the leaf springs temporarily.
4
Insert the tool.
Insert the tool into the nozzle shaft so that the
groove on the leaf spring positioning tool
matches to the convex part of the leaf spring.
Insert the tool all the way to the upper portion.
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 leaf spring attachment status.
Check that the groove on the tool is tightly in
contact with the convex part of the leaf spring.
7
Detach the tool.
8
Check nozzle attachment status.
1. Attach and detach the nozzle manually
several times to check that no looseness
is found.
2. 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.
Detaching leaf spring
Step 2
Precision screwdriver
Leaf spring to be replaced
53602-KMK-00
Insert the tool all the way
to the upper portion.
Leaf spring positioning tool
Using leaf spring positioning tool
Step 4,5
Tighten the screw while
holding the convex part of
the leaf spring and the
groove on the tool.
53604-KMK-00
Checking leaf spring attachment status
Step 6
The convex part of the leaf spring must be
tightly in contact with the groove on the tool.
53605-KMK-00