YSM40 Mainte_E.pdf - 第81页

3-13 3 Periodic maintenance items 2.1 Rotar y unit Asageneralguide,themainrotaryandshaftnozzlesshouldbecleanedevery3months,althoughthisma y varysomew hatdependingontheairsupplyconditionsandthe…

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3-12
3
Periodic maintenance items
2. Monthly inspection
This section describes the procedures for inspecting, cleaning, and lubricating the X-axis ball screw, guide,
and linear scale, and the Y-axis guide and linear scale. The inspection items and cautions are given below.
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Inspection items
1. Any foreign matter adhering to the ball screws and linear guides?
CheckifanyfallenchipshaveadheredtotheXandYaxisballscrewsand/orX,YandWaxislinearguides.
2. Do the ball screws and linear guides have the correct amount of grease?
Checkifgreasehasflowedofforsplatteredintheairfailingtoadhere.Alsocheckifgreasehasdiscoloredorhardened.
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3. Any abnormal sounds from the ball screws?
Presstheemergencystopbutton.ThencheckforanyabnormalsoundswhilepressingtheX-axisbyhand.
Countermeasures
1.Ballscrewsandlinearguidesmaybedamagedwhenchipsandothermaterialbiteintothem.Ifchipsareadhering,
wipethemoffalongwiththegreaseorremovewithtweezers,etc.
2.Applygreasewhilereferring“Cleaningandlubrication”describedlateron.
3.ConsultyourYAMAHAsalesofficeorrepresentativewhenabnormalsoundsoccurevenaftertryingthe
countermeasuresintheabovesteps1and2.
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Cautions
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WARNING




c



the warranty.
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


c


grease" in Chapter 1.
3-13
3
Periodic maintenance items
2.1 Rotary unit
Asageneralguide,themainrotaryandshaftnozzlesshouldbecleanedevery3months,althoughthismay
varysomewhatdependingontheairsupplyconditionsandtheoperatingtime.
2.1.1 Cleaning the rotary unit
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1
Remove the spring holder.
1. While pressing up the spring holder shown
in the figure at right, turn it to the right.
2. Remove the spring holder and the spring.
53311-N5-10
2
Remove the rotary.
Pull out the rotary from the head unit.
53312-N5-10
c

 
view lighting unit and other parts.
 
can easily return it in the original position after
cleaning.
3
Remove the mount block.
With the spring held down as shown in the
figure at right, turn the mount block 90
degrees and pull it out upward.
53322-N5-00
c

To prevent the spring and mount block from falling out

the spring during removal of the mount block.
4
Pull out the nozzle shafts and
springs.
Pull out all nozzle shafts and springs from the
main holder.
Removing the spring holder
Step 1
Spring holder
Spring
Removing the rotary
Step 2
Rotary
Main shaft
Removing the mount block
Step 3
Hold down the spring
Spring
Turn 90 degrees
Main holder
Nozzle shaft
Mount block
3-14
3
Periodic maintenance items
5
Clean the nozzle shaft and main
holder.
1. Use a lint-free cloth to wipe off the dust
and dirt on the nozzle shaft.
2. Use a lint-free cloth to wipe off the dust
and dirt on main holder. Wipe the
surfaces indicated by an arrow shown in
the figure at right.
3. Clean the spring by air blow.
53323-N5-00
6
Lubricate the nozzle shafts.
1. Use a lint-free cloth dampened with
turbine oil to lubricate the entire nozzle
shaft.
2. If turbine oil has collected in the groove,
lightly wipe it off.
53324-N5-10
7
Apply the grease to the main
holder.
Apply the grease (LG2) thinly to the rotary
support shown in the figure on the right.
533E1-N5-00
8
Insert the nozzle shafts into the
main holder.
A serial number is marked on the main
holder.
Starting from the position to the right of the
serial number marking, insert each nozzle
shaft into place in the order of numbers (1, 2,
3 …) as marked on the leaf spring.
53330-N5-00
TIP
Shaft number order of each head
Head 1: 1, 2, 3, and so on
Head 2: 9, 10, 11, and so on
Head 3: 17, 18, 19, and so on
c


position.
If the rank marking on the main holder does not match

operation or mounting accuracy failure.
9
Secure the nozzle shafts.
Reinstall the spring and mount block to
secure each nozzle shaft.
Lint-free cloth
Cleaning the nozzle shaft and main holder
Step 5
Groove
Lint-free
cloth
Lubricating the nozzle shaft
Step 6
Groove
Turbine oil
Inserting nozzle shafts
Step 8
Serial number
(marking)
Leaf spring
(Head number marking)
Head 2
Head 8
Applying the grease
Step 7
Greasing location
(Rotary support)