YG200_YG200L_Mainte_E - 第66页
3-26 3 Periodic maintenance items 5 B l o w a i r t h r o u g h t h e F N C s p l i n e a i r p a t h . U s e t h e a i r b l o w g u n a n d I PA t o c l e a n t h e s p l i n e s h a f t a i r p a t h o f H e a d s 2 ,…
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3
Periodic maintenance items
3
Clean the inside of each spline
shaft.
1. Insert the nozzle of the cleaning tool into
the spline shaft until the stopper on the
nozzle tube makes contact with the top
of the spline shaft.
2. Pour alcohol (IPA) into the spline shaft air
path to clean away dust and grime
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4
Blow air through the standard
spline air path.
Use the air blow gun and IPA to clean the
spline shaft air path of Heads 1, 3 and 5 of
the "F" type machines or all heads of the "S"
type machines.
1. Connect a 4mm diameter air tube
(200mm long) to the air blow gun
(KU4-M8590-00X) via a joint ($US4).
2. Insert the air tube connected to the air
blow gun into the cleaning hole from the
above, and blow air through the spline
shaft while placing cloth under the lower
end of the spline shaft to prevent the
remaining IPA from splattering.
3. Repeat step 3 to clean the inside of the
spline shaft and then blow air through it
again.
4. Next, fit the air tube connected to the air
blow gun to the tip of the nozzle holder,
and blow air through the spline shaft
from the bottom while lightly placing
cloth over the cleaning hole.
5. Repeat the above process a few times
until the IPA flowing out from the spline
shaft is clean.
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53343-F8-00
Cleaning the spline shaft
Step 3
Cleaning tool
Air blow through the spline shaft
Step 4-2
Air blow gun F4 air tube
Air blow from bottom
Step 4-4
Place cloth over the cleaning hole
Fit air tube onto the nozzle
holder tip and blow air.
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Periodic maintenance items
5
Blow air through the FNC spline air
path.
Use the air blow gun and IPA to clean the
spline shaft air path of Heads 2, 4 and 6 of
the "F" type machines .
1. As in step 4, connect a 4mm diameter air
tube (200mm long) to the air blow gun
(KU4-M8590-00X) via a joint ($US4).
2. Insert the air tube connected to the air
blow gun into the cleaning hole from the
above, and blow air through the spline
shaft from the top to bottom, while
placing cloth under the lower end of the
spline shaft to prevent the remaining IPA
from splattering.
3. Repeat step 3 to clean the inside of the
spline shaft and then blow air through it
again.
4. Next, place the air tube of the air blow
gun against the air path hole at the tip
of the FNC lock pin. At this point,
removing the joint from the air blow gun
and using the short sir tube originally
attached to the air blow gun would
make it easier to do this work.
5. Blow air through the spline shaft from the
bottom while lightly placing cloth over
the cleaning hole.
6. Repeat the above process a few times
until the IPA flowing out from the spline
shaft is clean.
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6
Reattach the plug bolts into the
cleaning holes.
Use the M5 hex wrench to screw the 6 bolts
back into the cleaning holes to plug them.
Air blow from bottom
Step 5-5
Air tube from air blow gun
FNC lock pin
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Periodic maintenance items
3.2.3 Attaching the nozzle, lubricating and checking negative pressure
After cleaning the spline shafts, reattach the nozzles and lubricate them. Also check the negative pressure
(vacuum level) as described below.
1
Install the FNC nozzle assemblies.
Reassemble the FNC nozzle assemblies by
referring to section 1.2.3, "Reassembling the
FNC nozzle assembly" in this chapter.
2
Lubricate each part.
Lubricating oil has been cleaned away by
IPA cleaning, so lubricate the following
parts. Prepare the oil syringe applicator
(KV8-M8870-00X) filled with turbine oil
(VG32).
1. On standard heads, apply one drop of
oil into the elongated holes at the joint
between the nozzle holder and the spline
shaft. (2 holes on each head) After
applying the oil, move the nozzle holder
up and down several times.
2. On FNC heads, pull down the FNC index
holder, and you will see two small cams
on the FNC spline shaft. Apply one drop
of oil onto each cam and then move the
cams up and down several times.
3. Apply one drop of oil to the inner side of
the FNC bevel gear and shaft, and then
spread out the oil with your finger.
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c
CAUTION
Do not lubricate the bevel gear section, as oil attracts
dust or debris which might get caught in the gear.
3
Remove excess oil.
Using the air blow gun, blow air for about 5
seconds from the nozzle tip, and for about 5
seconds from the nozzle attachment side.
Repeat this process a few times to remove
excess turbine oil remaining in the nozzle.
n
NOTE
A thin coat of oil is enough to lubricate the slide section.
4
Check that the oil was removed.
If needed, blow air through the nozzle again
while using commercially-available oil
blotting paper, and check for residual oil in
the nozzle.
n
NOTE
Performing step 3 is usually sufficient to remove oil
remaining in the nozzle. However, if oil still remains then
blow air through the nozzle once again.
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5
Reattach the nozzles.
Attach the nozzles back to the head after
checking one more time that there is no oil
remaining there.
Lubrication point
Step 2
FNC cam
Step 4
Checking for residual oil
Oil blotting paper
Oil will appear after blowing air (first
time) for about 5 seconds from the
nozzle tip.
Repeat the air blow for about 5
seconds each from the nozzle tip
and from the attachment side.
This task is finished when oil no
longer appears.