YG200_YG200L_Mainte_E.pdf - 第72页
3-32 3 Periodic maintenance items 3 . 3 . 2 C l e a n i n g a n d r e a s s e m b l i n g t h e F N C l o c k p i n 1 C l e a n t h e F N C l o c k p i n p a r t s . U s e a c l o t h m o i s t e n e d w i t h a l c o h …
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3
Periodic maintenance items
9
Remove the FNC nozzle assembly.
While gripping the nozzle assembly, pull out
the FNC nozzle shaft horizontally along with
the bevel gear and remove the nozzle
assembly by pulling it down.
The FNC lock pin and spring inside the spline
shaft may slide down at this point, so be
careful not to lose them.
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c
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.
0
Take out the FNC lock pin and
spring.
When the FNC lock pin and spring still remain
in the spline shaft, pull them out down.
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Removing the FNC nozzle assembly
Step 9
FNC lock pin
FNC nozzle assembly
Removing the lock pin and spring
Step 10
Take out the FNC lock pin and spring.
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Periodic maintenance items
3.3.2 Cleaning and reassembling the FNC lock pin
1
Clean the FNC lock pin parts.
Use a cloth moistened with alcohol to wipe
the FNC lock pin, spring, cams and cam
pins.
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2
Clean the FNC lock pin insertion
section.
1. Blow air into the air path of the FNC lock
pin insertion section of the spline shaft.
2. Use a lint-free cotton swab, moistened
with alcohol, to wipe the FNC lock pin
insertion section.
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Reference
Before reassembling the FNC lock pin parts, clean the
spline shaft.
Use spiral-tip cotton swabs (thickness: 4mm or less) that
are commercially available.
3
Lubricate the FNC lock pin.
Use the lubrication syringe (KV8-M8870-00X)
and turbine oil (VG32) to apply one or two
drops of oil to the FNC lock pin and then
spread it with your finger.
Disassembled parts
Step 1
FNC lock pin
Cam pin
Cam
Spring
FNC lock pin
Cam pin
Cam
Spring
Cleaning the lock pin insertion section
Step 2
Cotton swab stick moistened with alcohol
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3
Periodic maintenance items
4
Reattach the FNC lock pin and
nozzle assembly.
1. Insert the FNC lock pin and spring into
the spline shaft.
2. With the Type 202F nozzle pointing
downwards, insert the FNC nozzle
assembly into the spline shaft until it
pushes the FNC lock pin up slightly.
3. Insert the bevel gear and shaft into the
center hole of the FNC nozzle assembly,
and then insert the stopper block from
the side so that the FNC nozzle assembly
won’t drop down.
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5
Reattach the cams.
Pinch the cam with tweezers and insert it
into the slit of the index holder. Then insert
the custom wire (KV8-M88E2-00X) into the
hole where the cam pin is inserted, to
temporarily position the cam.
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Inserting the FNC lock pin
Step 4-2
FNC nozzle assembly
FNC lock pin
Inserting the stopper block
Step 4-3
Stopper block
Attaching the cam
Step 5
Insert the cam.