YG100R_Mainte_E.pdf - 第42页

3-4 3 Periodic maintenance items 6 R e m ov e t h e F N C n o z z l e a s s e m b l y . P u l l t h e F N C n o z z l e a s s e m b l y d o w n t o r e m o v e i t f r o m t h e h e a d . 53 3 7 8 - F 9 -1 0 c CAUTION Do…

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Periodic maintenance items
1.2 Cleaning Type F nozzles (YG100RA)
1.2.1 Removing FNC nozzle assembly
This section explains how to clean Type F nozzles used with the YG100RA FNC heads.
1
Perform return-to-origin.
Check safety and press the [Origin] button
on the Setup screen.
2
Select "Type 212F nozzle" for the
FNC heads.
On the [Unit]-[Head] tab screen, press the
[Nozzle Change] button and select "Type-
212F" for the FNC heads (Heads 2, 4, 6 and
8).
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3
Press the emergency stop button.
The machine must be in emergency stop for
safe maintenance work.
4
Slide the stopper block outward.
1. Loosen the bolt securing the stopper
block with the M1.5 hex wrench.
2. Slide the stopper block by pushing on
one end of it.
53341-F9-10
53342-F9-10
5
Pull out the FNC nozzle shaft.
While gripping the nozzle assembly, pull out
the FNC nozzle shaft horizontally along with
the bevel gear.
53343-F9-10
Loosening the bolt securing the stopper block
Step 4-1
Hex wrench (1.5)
Stopper block
Pulling out the FNC nozzle shaft
Step 5
Pull the bevel gear and shaft.
Sliding the stopper block outward
Step 4-2
Slide the stopper block outward.
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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.
53378-F9-10
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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 lock pin.
1. Using the M0.7 dedicated hex wrench,
loosen the set screw used to prevent one
of the lock pin cam from being released.
(Stop loosening the set screw at a
position where the cam is retracted in
the shaft.)
2. Retract the lock pin cams fully in the
spline shaft while placing your hand
under the lock pin so that it will not be
pushed out by the internal spring. The
lock pin and spring then come out, so
take them out of the spline shaft.
53398-F9-10
53399-F9-10
Removing the FNC nozzle assembly
Step 6
FNC nozzle assembly
Loosening the set screw
Step 7-1
Dedicated hex wrench
Removing the lock pin and spring
Step 7-2
Remove the lock pin and spring.
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Periodic maintenance items
1.2.2 Cleaning the FNC nozzle assembly
1
Disassemble the FNC nozzle
assembly.
Use the Phillips screwdriver (No.0 or No.00) to
remove the nozzle mounting screws, and
remove the nozzles and springs from the FNC
nozzle assembly.
53344-F9-00
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CAUTION
The screwdriver bit size may slightly differ between
manufacturers. Use the screwdriver that matches the
recessed pattern on the screw head.
Take care not to lose the small spring inserted in the
spring-action nozzle.
2
Clean the parts with alcohol.
Immerse the nozzles, springs, nozzle brackets,
nozzle block, bevel gear and shaft and
standard nozzles in alcohol. Leave these
parts immersed in alcohol for about 3 to 5
minutes. In the meantime, clean the nozzle
shaft hole as explained in step 3.
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CAUTION
Do not put the O-ring of the nozzle into alcohol. The
O-ring may stretch and become unusable when
immersed in alcohol.
3
Clean the nozzle shaft hole of the
FNC assembly.
While the parts are immersed in alcohol in
step 2, clean the index holder nozzle shaft
hole of the FNC heads as follows.
1. Clean the nozzle shaft hole with a cotton
swab moistened with alcohol and blow
air with an air blow gun (KU4-M8590-00X).
2. Brush the bevel gear of the index holder
with a toothbrush moistened with alcohol
and blow air with the air blow gun
(KU4-8590-00X).
53345-F9-00
53346-F9-00
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CAUTION
Use lint-free cotton swabs that do not leave residue.
Disassembled FNC parts
Step 1
Nozzle bracket
Nozzle block
Spring
Nozzle tip
Type 211F
Type 212F
Type 213F
Type 211F
Type 212F
Type 213F
Cleaning the index holder nozzle shaft hole
Step 3-1
Index holder
Cotton swab moistened with alcohol
Cleaning the index holder nozzle shaft hole
Step 3-2
Clean the bevel gear with
a toothbrush moistened with alcohol