YS100_Mainte_E - 第77页

3-12 3 Periodic maintenance items 2.2 Cleaning FNC nozzles 2.2.1 Removing FNC nozzle assembly T his section describes how to clean the FNC nozzle. 1 Perform return-to-origin. Check safety and press the [Origin] button on…

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Periodic maintenance items
2. Monthly inspection
2.1 Cleaning the nozzle air path
Clean the nozzle air path if a nozzle clogging is found in the daily inspection or every month.
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1
Remove the nozzle from the head.
1. Press the emergency stop button and
then open the machine safety cover.
2. Remove the nozzle from the head. If the
machine is equipped with the nozzle
station, press the [Nozzle Stn Shutter]
button to open the nozzle station shutter
and remove the nozzle.
2
Blow air through the nozzle.
Using an air blow tool, blow air through the
nozzle from the nozzle tip and then from the
other end.
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NOTE
If there are dirt deposits in the nozzle, perform steps 3
and 4.
3
Clean the nozzle hole.
Pass the nozzle cleaning wire through the
nozzle hole and clean the nozzle hole. While
holding both ends of the wire with fingers or
using a custom handle (option) shown in the
figure on the right, gently move the nozzle
back and forth.
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4
Blow air through the nozzle.
After removing the cleaning wire, blow air
through the nozzle with the air blow tool, just
as in step 2.
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5
Return the nozzle to its original
head.
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NOTE
If removed nozzles from the nozzle station, return them
to the nozzle storage positions.
Air blow
Step 2
Air tube (black)
Air blow tool
(option)
Air tube (orange) connected to
air supply port
Insert the
nozzle tip into
the air tube and
blow air.
Blow air from the
nozzle attachment
side.
Cleaning a nozzle
Step 3
Custom
handle
(option)
Nozzle
Nozzle cleaning wire
Air blow
Step 4
NozzleAir blow tool (option)
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Periodic maintenance items
2.2 Cleaning FNC nozzles
2.2.1 Removing FNC nozzle assembly
This section describes how to clean the FNC nozzle.
1
Perform return-to-origin.
Check safety and press the [Origin] button
on the Setup screen.
2
Replace to the middle noise.
Among the three types of nozzles attached
to the FNC head, set the middle nozzle.
On the [Unit] – [Head] screen, press the
[Nozzle Change] button, and replace all
FNC heads (Head 2, 4, 6, and 8) with the
“Type – 302F (312F, 313F)” nozzles.
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NOTE
Depending on the machine specification, the middle
nozzle type changes. Please check the specification
beforehand.
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3
Move the head toward you.
1. Press the emergency stop button and
then open the machine safety cover.
2. Move the head unit forward.
4
Slide the stopper block outward.
1. Loosen the bolt mounting the stopper
block with the M1.5 hex wrench.
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2. Slide the stopper block by pushing on
one end of it.
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5
Pull out the FNC nozzle shaft.
While gripping the nozzle assembly, pull out
the FNC nozzle shaft horizontally along with
the bevel gear.
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Loosening the bolt securing the stopper block
Step 4-1
Hex wrench (1.5)
Stopper block
Sliding the stopper block outward
Step 4-2
Slide the stopper block outward.
Pulling out the FNC nozzle shaft
Step 5
Pull the bevel gear and shaft.
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Periodic maintenance items
6
Remove the FNC nozzle assembly.
Pull the FNC nozzle assembly down to
remove it from the head.
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CAUTION
Do not mix up the nozzle assemblies, bevel gears, and
shafts of the different heads. Keep them as the original
set for each FNC head.
7
Remove the FNC locate pin.
1. Loosen the set screw for stopper of the
locate pin cam with the special hex
wrench (0.7) or a hex wrench (0.7)
commercially available (Stop at the
position where the cam sinks).
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2. Retract the locate pin cams fully in the
spline shaft while placing your hand
under the locate pin so that it will not be
pushed out by the internal spring. The
locate pin and spring then come out, so
take them out of the spline shaft.
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Removing the FNC nozzle assembly
Step 6
FNC nozzle assembly
Loosening the set screw
Step 7-1
Dedicated hex wrench
Removing the locate pin and spring
Step 7-2
Remove the locate pin and spring.