444CEMM1 - 第135页

Page 1-73 REGULAR MAINTENANCE 1 444C-E-MMA01-A09-05 Check Every 560 Hours (Once a Month) 4. Press UNLOCK + . • The display turns to be ON, and the air flows into the pass. ∗ Ensure that the air is jetting from the tip of…

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Page 1-72
Check Every 560 Hours (Once a Month)
1-5-3 How to Check the Setting of the Blow Pressure
1. Press
Machine
adjust
.
The Machine adjustment menu screen
appears.
2. Press Output check .
The Output check screen appears.
3. Select the operation position (the
table with the transfer head of which
the vacuum pressure is to be mea-
sured).
To the next page
444C-E-MMA01-A09-07
Tools Required time 5 minutes
444C-EEn-MaOc-015
Page 1-73
REGULAR
MAINTENANCE
1
444C-E-MMA01-A09-05
Check Every 560 Hours (Once a Month)
4. Press
UNLOCK
+ .
The display turns to be ON, and the air flows
into the pass.
Ensure that the air is jetting from the tip of the
nozzle.
5. Release the lock of the A valve and
adjust the indicating pointer of the B
regulator graduation to within the
indicating range.
The adjustment value is 0.04 MPa ± 0.005
MPa.
Adjust it with the air jetting.
6. Press
UNLOCK
+ .
The display changes to OFF.
Air blow
OFF
Air blow
ON
444C-491P
B
A
Page 1-74
1-6 Check Every 3000 Hours (Once Six Months)
1-6-1 Exchanging the Board Transfer Belt and Roller
The board transfer belt and board transfer roller on the board conveyor must be exchanged regu-
larly.
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. Removing the board transfer belt
You may store the removed belt as an spare. If you do not store it, cut it off with a nipper.
1. Turn OFF the power.
2. Remove the belt by pulling it out.
444C-E-MMA01-A09-04
Tools Allen wrench and push-pull gauge Required time 15 minutes
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3Y3C-081P