444CEMM1 - 第124页

Page 1-62 Check Every 560 Hours (Once a Month) 6. Discharge the air . Close the main air valve. Pull up the regulator knob, and turn it to the left until it stops. Make sure the exhaust sound disappears and the gauge sho…

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Page 1-61
REGULAR
MAINTENANCE
1
1-5 Check Every 560 Hours (Once a Month)
1-5-1 Cleaning the Lubricating the Transfer Head
Clean and lubricate the nozzle shaft support bearing and check the vacuum pressure at the nozzle
tip. Dirt on the nozzle shaft support bearing may cause wrong operation and pickup. Leakage in the
air pass will also cause wrong pickup.
∗ For DU/DHU specifications, it is necessary to remove the feeder base cover for the maintenance.
“1-2-3 Setting and Removing the Feeder Base Cover (Only for DU/DHU Specifications)”
1. Cleaning and lubricating the nozzle shaft support bearing
1. Ensure that the safety cover is
closed, and turn on the servo switch.
2. Select the operation table.
3. Press
UNLOCK
+ Head mainte posi .
• The transfer head moves to the maintenance
position.
4. Turn OFF the power.
∗ Lock the main switch. A worker should carry
the key. (DU/DHU only)
5. Open the cover at the lower right of
the machine rear side.
∗ Remove the screw by using a Philips driver.
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444C-E-MMA01-A08-04
444C-419E
Tools
Philips driver, cotton bud, syringe, and vacuum gauge
Required time 30 minutes
2
1
OFF ( )
ON ( )
SERVO
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444C-401P
444C-457E
444C-EEn-MpMmMm-011
Page 1-62
Check Every 560 Hours (Once a Month)
6. Discharge the air.
Close the main air valve.
Pull up the regulator knob, and turn it to the left
until it stops.
Make sure the exhaust sound disappears and
the gauge shows 0 MPa.
Lock the valve lever. A worker should carry the
key. (DU/DHU only)
7. Open the safety cover.
8. Lower the nozzle holder.
9. Clean the bearing and groove by
using a cotton bud.
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444C-E-MMA01-A08-03
Nozzle holder
Groove
Valve
Bearing
Cotton bud
444C-443P
444C-402P
444C-444P
1
2
3
4
1
2
3
Page 1-63
REGULAR
MAINTENANCE
1
Check Every 560 Hours (Once a Month)
10. Apply a bit of grease to the bearing
and groove using a syringe.
[Grease : BARRIERTA IEL/V]
11. Push the nozzle holder upward.
∗ Carry out cleaning and lubricating in steps 8 to
11 for all nozzles.
2. Checking the vacuum pressure
Ensure that the vacuum pressure is within the specified value.
∗ Check it with the nozzle set to all heads.
1. Supply the air.
Open the lever.
Adjust the air pressure within the specified
value using the valve.
Lock the valve.
2. Turn ON the power.
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444C-E-MMA01-A08-01
444C-402P
444C-445P
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1
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1
Valve