YSM40 Mainte_E - 第111页
3-43 3 Periodic maintenance items 5.2 HS head 5.2.1 Cleaning and lubricating the ball cage and main shaft Asageneralguide,themainshaftandballcageshouldbecleanedandlubricatedoncepery ear ,althoughthis …

3-42
3
Periodic maintenance items
4
Remove the maintenance bolt.
1. Lower all heads and put a hex wrench (2)
through the hole shown in the figure on
the right to keep the heads in the down
status.
2. Use a hex wrench (2.5) to remove the
maintenance bolts shown in the figure on
the right.
53336-N5-10
c
lower the head with great care.
53336-N5-00
5
Clean the inside of the spline shaft.
1. Insert the nozzle of the cleaning kit into
the cleaning hole of the spline shaft.
2. Pour alcohol (IPA) into the spline shaft air
path to clean away dust and grime.
53337-N5-00
6
Blow air into the spline air path.
1. Connect an air blow tool (optional
purchase item) to the air joint.
2. Place a cloth against the end of the
spline shaft, then air-blow the spline shaft
interior with the air blow tool.
3. When the cloth placed against the spline
shaft end is no longer being soiled by the
exiting air, screw the maintenance bolt in
again.
53338-N5-00
c
to wear safety goggles.
7
Repeat the cleaning procedure.
Repeat steps 6 to 7 to clean the inside of
the spline shafts of all heads.
8
Reinstall the air hose and nozzle
back to their original positions.
Cleaning the spline shaft
Step 5
Nozzle
Spline shaft
Pump
Paper cup, etc.
Air blow into spline shaft
Step 6
Blow the air from this hole.
Air blow tool
Cleaning cloth or paper
Removing the maintenance bolt
Step 4
Maintenance
bolt
Hexagon wrench (2.5)
Hexagon wrench
(2)
Linear scale
Packing

3-43
3
Periodic maintenance items
5.2 HS head
5.2.1 Cleaning and lubricating the ball cage and main shaft
Asageneralguide,themainshaftandballcageshouldbecleanedandlubricatedonceperyear,althoughthis
mayvarysomewhatdependingontheairsupplyconditionsandtheoperatingtime.
1
Remove the rotary unit.
See 2.1.1 “Cleaning the rotary unit” to
remove the rotary unit.
c
Put a mark on the removed rotary unit so that you can
easily return it in the original position after cleaning.
2
Clean the ball cage.
Use a cotton swab to wipe off the dust and
dirt in the ball cage.
533A1-N5-10
3
Clean the main shaft.
Use a cotton swab to wipe off the dust and
dirt on the main shaft and the grease in the
groove.
533A2-N5-10
4
Lubricate the main shaft.
While turning the main shaft, apply the
specified grease (LG2) to the areas within
about 10mm from the top of the main shaft.
5
Wipe off the excess grease.
Use a cotton swab to wipe off the excess
grease that came out of the groove in the
main shaft.
6
Reinstall the rotary unit.
See 2.1.1“Cleaning the rotary unit” to
reinstall the rotary unit.
Cleaning the ball cage
Step 2
Ball cage
(2 places at upper and lower positions inside the cage)
Main shaft
Cotton swab
Cleaning and lubricating the main shaft
Step 3, 4
Main shaft
Apply grease
in this area.
Cotton swab

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Periodic maintenance items
5.2.2 Cleaning and lubricating the scissors gears
Asageneralguide,thescissorsgearshouldbecleanedandlubricatedonceperyear.
1
Remove the air hoses, etc.
1 Disconnect three air hoses (transparent)
and three air hoses (yellow).
2. Use a hex wrench to loosen and remove
the four bolts holding the bracket.
533A3-N5-00
n
NOTE
If it is difficult to access the scissors gear, remove the
side-view camera (by removing the two mounting
bolts).
2
Clean the scissors gear.
While rotating the R-axis, use a cotton swab
to wipe off the dust and grease on the
scissors gear.
533A4-N5-00
3
Lubricate the scissors gear.
1. Use a cotton swab or fingertip to apply
the specified grease (LG2) to the pinion
gear.
2. Rotate the R-axis until the grease spreads
over the scissors gear.
4
Wipe off the excess grease.
Use a cotton swab to wipe off the excess
grease that came out of the scissors gear.
5
Reinstall the removed parts.
Reverse Steps 1 to 2 above to reassemble
the head.
Removing the air hoses, etc.
Step 1
Bracket
Scissors gear
Side-view camera
Air hoses
(yellow)
Air hoses
(transparent)
Cleaning the scissors gear
Step 2
Scissors gear
Pinion gear
Cotton swab