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MaintenanceReplacement of Filter
YOUGAR M&T INC. ::: YGS Small Hole Drilling EDM Machine :::
A
B
<Caution> When you release or fasten the coupling, you have to put on the protection gloves.
① R l th li (‘A’)
CDpicture 4-11
① Release the coupling(‘A’)
② As you push the “B” section in the direction of the arrow, push the valve in the
direction of “C”. Then the two parts will be separated each other
③ Release the socket on the filter by turning it in the direction of “D”
④ Replace the filter④ ep ace e e
picture 4-12
⑤ Assemble the coupling socket by turning it in the direction of clockwise.
⑥ Put the filter into the water tank
⑦ Fasten the coupling finally.
picture 4-13
<Caution> Turn off the main power before filter replacement.
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MaintenanceReplacement of Ion resin
YOUGAR M&T INC. ::: YGS Small Hole Drilling EDM Machine :::
① Turn off the system and main power
② Release the ion resin tank by turning it
in the direction of “A:
③ E t th d i i③ Empty the used ion resin.
④ Fill in the new ion resin up to the “MAX”
line(2/3).
⑤ Fasten the ion resin tank by turning it
in the direction of “B:MAXMAX in the direction of B:
※ Replacement cycle
For long time, if the ion value is
maintained or goes over 100, then you
have to replace it.B A
<Caution> O ring
picture 4-14
<Caution>
※ After replacement please clean the area near O ring” before fastening
picture 4-15
※ After replacement, please clean the area near O ring before fastening.
※ Take care of “O ring” not to lose it during replacement.
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Maintenance(With Out AEC)
Head module(Rubber O ring replacement) -1
YOUGAR M&T INC. ::: YGS Small Hole Drilling EDM Machine :::
그림 4-26
① Take off the cover of head module
picture 4-26
② Remove the spindle motor
( C ti R th t )
3ea
( ※ Caution : Remove the connector)
4ea
remove connector
picture 4-27
3) Remove the Discharge Cable3 4) Remove the high-pressure (carbide) nozzle
※ Caution : high-pressure (carbide) nozzle.
3
picture 4-28
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Maintenance(With Out AEC)
Head module (Replace “spanner” with “open end wrench”)
YOUGAR M&T INC. ::: YGS Small Hole Drilling EDM Machine :::
⑤ Loosen with an open end wrench the 17mmlower bolts and the 22mm upper bolts.
⑥ Release shaft fixing bolts .
picture 4-29
Spanner (22mm)
Spanner (17mm)
picture 4-30
⑦ After releasing the bolts,
insert high pressure nozzle.
(17mm)
Blow air inside
⑧ Blow the air into upper of shaft spindle.
(Slightly hand the high-pressure nozzle part.)
picture 4-31www.yougar.com
Maintenance(With Out AEC)
Head module(Rubber O ring replacement) -2
YOUGAR M&T INC. ::: YGS Small Hole Drilling EDM Machine :::
① Take off the cover of head module
tremove connector
Picture 4-26
② Remove the spindle motor
※ Caution : Remove the connector)Caution : Remove the connector)
Remove Carbon Brush
picture 4-28
picture 4-27
③ Remove the Discharge Cable
④ Release four (4ea) bolts of DC Motor.
⑤ Remove the DC Motor.
Release bolts (3ea)
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Maintenance(With Out AEC)
Head module(Rubber O ring replacement) -2
YOUGAR M&T INC. ::: YGS Small Hole Drilling EDM Machine :::
⑥ Release Fixing Bolt (4ea)
Release fixing bolt (4ea)
그림 4-26⑦ Remove the high-pressure
(carbide) nozzle
※ Caution : high-pressure (carbide) nozzle.
⑧ Make a-half of revolution by L – wrench ⑧ y
(4mm) for loosen 3 ea of fixing bolts Release bolts (3ea)
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Maintenance(With Out AEC)
Head module(Rubber O ring replacement) -3
YOUGAR M&T INC. ::: YGS Small Hole Drilling EDM Machine :::
⑨ Release shaft fixing bolts .
A
picture 4-29
⑩ After releasing the bolts, insert high pressure
nozzle.
picture 4-32
⑪ Blow the air into upper of shaft spindle.
(Slightly hand the high-pressure nozzle part.)
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Maintenance(With Out AEC)
Head module(Rubber O ring replacement) -4
YOUGAR M&T INC. ::: YGS Small Hole Drilling EDM Machine :::
⑨ Separate the neuron bearing and O ring as shown in picture to the left and replace the O ring.
⑩ <Caution> When exchanging O rings andbearings, lubricate them with grease.
< reference > A. Neuron bearing is not replaceable part.
(It can be used again).
B. Assembly in reverse order. . sse b y e e se o de . ※ Please do not use excessive force.
picture 4-32
Ceramic washer O ring : P3(2T)
O ring : P7(2T)
B i N 6002
O ring P3 : inner diameter 3Ø 2T
O ring P7 : inner diameter 7Ø 2T
Bearing No. 6002
Angular bearingNo. 6002
Bearing No 6804<reference>
Put the P3 O ring inside of P7 O ring.picture 4-33
Bearing No. 6804
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Maintenance(With Out AEC)
Head module (Spindle Bearing Replacement) -1
YOUGAR M&T INC. ::: YGS Small Hole Drilling EDM Machine :::
그림 4-26
① Take off the cover of head module
picture 4-26
② Remove the spindle motor
( C ti R th t )
3ea
( ※ Caution : Remove the connector)
4ea
remove connector
picture 4-27
③ Remove the Discharge Cable3
④ Remove the high-pressure (carbide) nozzle
※ Caution : high-pressure (carbide) nozzle.
3
picture 4-28
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Maintenance(With Out AEC)
Head module (Spindle Bearing Replacement) -2
YOUGAR M&T INC. ::: YGS Small Hole Drilling EDM Machine :::
⑤ Loosen with an open end wrench the 17mm lower bolts and the 22mm upper bolts.
⑥ Release shaft fixing bolts . (Picture 4-38 Release 4 bolts) Spanner
picture 4-37
(Picture 4 38 Release 4 bolts) Spanner (22mm)
Remove the gear parts.
Spanner (17mm)
A
picture 4-38
⑦ Remove the gear and timing belt together.
(17mm)
⑧ Release four (4ea) bolts of gear box
Release bolts (4ea)
⑩ Remove the cooper plate (A) with in
the left parts of spindle.
⑪ Remove the carbon brush (B).
B
( )
picture 4-39
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Maintenance(With Out AEC)
Head module (Spindle Bearing Replacement) -3
YOUGAR M&T INC. ::: YGS Small Hole Drilling EDM Machine :::
⑫ Remove the bearing housing bolts (4ea)
Remove bolts (4ea)
⑬ Separate the bearing housing at the bottom of the spindle.
(picture 4-40)
Remove bearing picture 4-41
picture 4-40
Remove bearing housing
⑭ Replace the bearing in housingWhen changing bearing, be sure to lubricate
picture 4 41
it with grease (Picture 4-41)
⑮ Raise the spindle shaft and separate
bearing 6804
⑮ Raise the spindle shaft and separate
from bearing housing. (Picture 4-42)
Upper bearing 1 required - No. 6002
Lower Angular bearing 2 required - No.
7002
* When replacing angular bearings, be
aware of bearing direction. picture 4-42
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