YG300_Mainte_E - 第44页
3-6 3 Periodic maintenance items 2 . 3 C l e a n i n g a n d g r e a s i n g t h e X - a x i s T o c l e a n a n d g r e a s e t h e X - a x i s b a l l s c r e w s a n d l i n e a r g u i d e s , f o l l o w t h e s t e…
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Periodic maintenance items
8
Check that the oil was removed.
Blow air through the spline shaft again while
using commercially-available oil blotting
paper, and check for residual oil in the
nozzle holder.
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NOTE
Performing step 7 is usually sufficient to remove residual
oil. However, if oil still remains then blow air once again.
9
Reinstall the nozzle.
Reinstall the nozzle back onto the head or
the nozzle station (option).
Step 8
Checking for residual oil
Oil blotting paper
Oil may appear after blowing air.
Repeat the air blow until oil no longer
appears.
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Periodic maintenance items
2.3 Cleaning and greasing the X-axis
To clean and grease the X-axis ball screws and linear guides, follow the steps below. Prepare a grease gun and
the specified grease (NSL).
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CAUTION
When handling grease or lubricant, read and follow the precautions listed in section 2.2.2, "Lubricating tools and
grease", in Chapter 1.
2.3.1 Cleaning and greasing the X-axis ball screws
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1
Press the emergency stop button.
The machine must be in emergency stop to ensure safety during work.
2
Remove the X-axis ball screw cover.
1. Use a Phillips screwdriver to remove the
four screws securing the cover.
2. When removing the cover for table A or D,
move the head to the left end and
remove the cover by pulling it to the
right. When removing the cover for table
B or C, move the head to the right end
and remove the cover by pulling it to the
left.
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Clean the X-axis ball screw.
1. Using the handles, move the head to one
end of the X-axis.
2. Wipe away the old grease and dirt from
the ball screw with a lint-free cloth or
paper towel (for clean room use).
3. Move the head to the opposite end of
the X-axis and wipe the ball screw clean.
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CAUTION
Wipe away the old grease and dirt in the lead groove
of the ball screw. Also check that no debris or residue
remains in the lead groove.
4
Apply new grease to the ball screw.
Use the grease gun to supply the specified
grease (NSL) to the grease nipple located in
the following position.
• Tables A and D: Upper left of head unit
• Tables B and C: Upper right of head unit
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Removing the X-axis ball screw cover
Step 2
X-axis ball screw cover
Cleaning the X-axis ball screw
Step 3
Wipe with cleaning cloth or paper towel
Greasing the X-axis ball screw
Step 4
Grease gun
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Periodic maintenance items
5
Remove excess grease.
1. Using the handles, move the head back
and forth a few times along the X-axis to
spread grease over the entire ball screw.
2. Wipe away excess grease from the ball
screw and the nut edges.
3. Move the head to the opposite end of
the X-axis and wipe away excess grease
from the ball screw and the nut edges.
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6
Reattach the ball screw cover.
Attach the ball screw cover in the reverse
order of the removal procedure in step 2.
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CAUTION
Be sure to reattach the ball screw cover back to the original position. If production starts without reattaching the ball
screw cover, spattering grease might badly affect the production yield.
Wiping away grease
Step 5
Wipe away grease deposits.