YSM40R_Mainte_E - 第198页

6-8 6 How to replace consumable parts 3. Replacing the nozzle tip When the nozzle tip or O-ring is worn out due to long-term use, pickup and placement errors are likely to occur . If the spring action of a nozzle is not …

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6-7
6
How to replace consumable parts
8
Reattach the belt.
1. Temporarily place the belt on the belt
tensioner pulley.
2. Place the belt on the end pulley
detached in Step 4 and mount it with the
pulley shaft together with the washer.
3. Connect the coupling to the drive pulley
and tighten the bolts.
4. Move the belt tensioner pulley to the
position marked in Step 4 and tighten the
bolt while applying tension.
5. If there is a slack in the belt, adjust the
position of the belt tensioner pulley to
apply proper tension.
n
NOTE
The specified conveyor belt tension for this machine is
as follows. Use a tension gauge to adjust the belt
tension as needed.
• Stage 1 : 260 to 320Hz
• Stage 2 : 180 to 220Hz
53611-N9-00
c
CAUTION
The tightening torque for the belt tensioner pulley is 5.5
N·m. Be careful not to overtighten.
9
Attach board clamp assembly.
1. Attach board clamp assembly to the
original position. Mount it by tightening 4
bolts with hex wrench (2.5).
2. Remove square cloth.
0
Return tape cutter duct to original
position.
Tension measurement point
Step 8
Tension measurement
point (outer side of
each lane
6-8
6
How to replace consumable parts
3. Replacing the nozzle tip
When the nozzle tip or O-ring is worn out due to long-term use, pickup and placement errors are likely
to occur. If the spring action of a nozzle is not smooth even after cleaning and lubricating the nozzle, the
internal spring may need to be replaced.
3.1 Replacing nozzle tip and spring
e
1
Detach the nozzle.
1. Press the emergency stop button and
then open the machine safety cover.
2. Turn off the carriage clamp switch to
detach carriage from mounter.
3. Detach relevant nozzle with leaf springs
manually.
2
Replace the nozzle tip and spring
(Type 50X Series nozzles).
1. Turn the nozzle tip 90 degrees while
pressing on it.
2. Detach nozzle tip by pulling it downward.
3. The internal spring comes out as the
nozzle tip is detached.
4. Replace the nozzle tip and/or spring.
5. Attach the nozzle in the reverse of the
above procedure.
53615-N9-00
3
Replace the nozzle tip and spring
(Type 720X Series nozzles).
1. Detach the O-ring from the nozzle. Use a
precision screwdriver if difficult to
detach.
2. Pull out the pin.
3. Replace the nozzle tip and/or spring.
4. Insert pin to mount nozzle tip aligning pin
with groove in nozzle tip.
5. Attach the O-ring. If the O-ring is loose or
worn out, replace it with a new one.
c
CAUTION
See each head unit on "2.1 Consumable parts" in
Chapter 1 to check that nozzle marking (example: 601A,
511A) on nozzle body matches type No. of nozzle tip.
4
Lubricate nozzle slide section.
See "1.2.1 Cleaning and lubricating nozzle
slide section" in Chapter 3 to lubricate nozzle
slide section.
5
Return nozzles to original position.
Return detached nozzles to the original
heads.
c
CAUTION
Make sure to return nozzles to original heads. If detached nozzles from nozzle station (option), return them to the
correct storage positions.
Replacing nozzle tip
Step 2, 3
■ Type 50X Series nozzles
Groove
Nozzle tip
Spring
Pull out the nozzle tip.
■ Type 720X Series nozzles
O-ring
Spring
Nozzle tip
Remove the O-ring.
Turn 90 degrees while
pressing on the nozzle tip.
Pull out pin.
■ Type 60X Series nozzles
Nozzle tip
Spring
Pull out pin.
Shorten spring.
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6
How to replace consumable parts
3.2 Replacing nozzle O-ring
e
1
Detach the nozzle.
1. Press the emergency stop button to put
the machine in the emergency stop
state.
2. Turn off the carriage clamp switch to
detach carriage from mounter.
3. Detach relevant nozzle manually.
2
Replace the nozzle O-ring.
Detach the O-ring and replace it with a new
one. If the O-ring is difficult to detach,
detach it with a precision slotted
screwdriver.
53616-N9-00
3
Return the nozzle to its original
position.
Return the nozzle you have detached to the
head.
c
CAUTION
Be sure to return the nozzle you have detached to its
mating head. When the nozzle has been detached from
the nozzle station (option), return it correctly to the
storage position where you have detached the nozzle.
Replacing the nozzle O-ring
Step 2
604A Nozzle
Removing the O-ring
504A Nozzle