YSM40 Mainte_E - 第112页

3-44 3 Periodic maintenance items 5.2.2 Cleaning and lubricating the scissors gears Asageneralguide,thescissorsgearshouldbecleanedandlubricatedoncepery ear . 1 Remo ve the air hoses, etc. 1 Disconnect thre…

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3
Periodic maintenance items
5.2 HS head
5.2.1 Cleaning and lubricating the ball cage and main shaft
Asageneralguide,themainshaftandballcageshouldbecleanedandlubricatedonceperyear,althoughthis
mayvarysomewhatdependingontheairsupplyconditionsandtheoperatingtime.
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
Asageneralguide,thescissorsgearshouldbecleanedandlubricatedonceperyear.
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
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Periodic maintenance items
5.2.3 Cleaning and lubricating the clutch and hook
Asageneralguide,theclutchshouldbecleanedandlubricatedonceperyear,althoughthismayvary
somewhatdependingontheairsupplyconditionsandtheoperatingtime.
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.
533G2-N5-00
n
NOTE
If it is difficult to get access to the clutch and hook,
remove the side-view camera. (Remove the mounting
bolts (2 pcs.).)
2
Remove the rotary unit.
See 2.1“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.
3
Clean the clutch and hook.
Clutch
Lower the clutch and wipe off the grease
and contaminant from the clutch with a
cotton swab.
Hook
Wipe off the grease and contaminant from
the hook with a cotton swab.
533A6-N5-10
4
Lubricate the clutch and hook.
Clutch
Use your fingertip to apply the specified
grease (LG2) to the clutch threads.
Hook
Use your fingertip to fill the clearances with
the grease by rubbing it against the front of
the hook.
533A7-N5-10
5
Wipe off the excess grease.
Clutch
1. Turn the clutch on and off a few times.
2. Use a cotton swab to wipe off the excess
grease that has collected in the clutch’s
valleys and also came out of the clutch.
Hook
Wipe off the excess grease with a cotton
swab.
6
Reinstall the rotary unit.
See 2.1 “Cleaning the rotary unit” to reinstall
the rotary unit.
Step 3
Scissors gear
Pinion gear
Cotton swab
Cleaning the clutch and hook
Lubricating the clutch and hook
Step 4
Apply the grease to the
threads.
Use your fingertip to fill
the clearances with the grease
by rubbing it against the front
of the hook.
Step 1
Removing the air hoses, etc.
Bracket
Scissors gear
Side-view camera
Air hoses
(yellow)
Air hoses
(transparent)