YSM40 Mainte_E - 第117页
3-49 3 Periodic maintenance items 5.4 Conveyor 5.4.1 Inspecting the conveyor belt and cleaning the guides 1 Make the prepar ation for cleaning. e 1. Remove all items that are affected by magnetism, such as a watch and ID…
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Periodic maintenance items
5.3.2 Cleaning and lubricating the scissors gear
Asageneralguide,thescissorsgearshouldbecleanedandlubricatedonceperyear.Usethefollowing
proceduretocleanandlubricatethescissorsgear.
1
Remove the gear cover.
Use a hex wrench to remove the three bolts
that secure the gear cover.
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2
Clean the rack gear.
While rotating the R-axis by hand, use a
cotton swab to wipe off the dust and dirt on
the rack gear (see the figure at right).
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3
Apply grease.
While rotating the R-axis by hand, apply the
specified grease (NSL) to the rack gear.
4
Reattach the gear cover.
Place the gear cover back in its original
position, and tighten the three bolts with the
hex wrench.
Removing the gear cover
Step 1
Gear cover mounting bolt
Gear cover
Cleaning the scissors gear
Step 2
Scissors gear
Cotton swab
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Periodic maintenance items
5.4 Conveyor
5.4.1 Inspecting the conveyor belt and cleaning the guides
1
Make the preparation for cleaning.
e
1. Remove all items that are affected by
magnetism, such as a watch and ID
card.
2. Press the emergency stop button.
3. Lower the feeder exchange carriage by
using the clamp switch and remove the
feeder exchange carriage.
4. Place a square cloth on the push-up
plate.
2
Remove the board clamp plates.
Use a hexagon wrench (2.5) to remove the 4
board clamp bolts, then remove the board
clamp plate.
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3
Loosen the belt.
1. Use two hexagon wrenches to loosen the
tension pulley, then move it to the end of
the tension adjusting slot (in the
loosening direction).
Pulley side : 5mm
Securing side : 4mm
2. Use a flat-blade screwdriver to loosen
the pulley shaft, then remove the pulley.
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Use care to avoid losing the washers.
4
Detach the belt drive pulley from
the shaft.
1. Use a hexagon wrench (2.5) to loosen
the coupling bolts.
2. Remove the coupling from the pulley to
create a gap through which the belt can
be extracted.
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5
Remove the belt from the conveyor.
Verify that the removed belt is free of cracks
and excessive wear.
n
NOTE
If the belt is scratched or worn out, replace it with a
new one.
Removing the board clamp plate
Step 2
Board clamp plate
Board clamp plate securing bolts
Loosening the belt
Step 3
Hexagon
wrench (4)
Hexagon wrench (5)
Tension pulley
Washer
Pulley shaft
Loosening the coupling
Step 4
Extract the belt
through this gap.
Coupling
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Periodic maintenance items
6
Clean the conveyor.
Use a fine brush or a cloth to clean the gaps
between the conveyor frame and the board
guide.
7
Reattach the belt.
1. Place the belt on the tension pulley and
partially tighten it.
2. Place the belt on the end pulley and
secure it at the pulley shaft.
3. Place the coupling against the pulley
and secure it.
4. Move the belt tensioner and tighten the
bolt while applying tension.
Lane 1 : 260 to 320Hz
Lane 2 : 180 to 220Hz
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8
Mount the board clamp plate.
Place the board clamp plate back in its
original position, and with the area
indicated by the arrow mark in the figure at
right (2 locations per plate) pushed against
the top side, tighten the bolts which secure
the board clamp plate.
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Tension measurement point
Step 7
Tension measurement
point (outer side of
each lane)
Mounting the board clamp plate
Step 8