CM88Maintenace1 - 第159页
Page 1-121 REGULAR MAINTENANCE 1 Changing the Consumable Parts Every 1500 to 6000 Hours 1-7-10 Changing the V acuum Pumps [6000 Hours] The vacuum pump is under B stage. 1 . T urn off the power . 2 . Remove two kinds of c…
Page 1-120
Changing the Consumable Parts Every 1500 to 6000 Hours
3. Adjusting the tension
Front and rear conveyors
Move the motor bracket to adjust tension.
Proper tension length
When the center of belt is pushed with
the power of 2.9N, the deflection of belt
gets 5 mm
± 1 mm by measuring tension
gauge.
Middle conveyor (Board holder)
Push the roller to the outer edge of board holder to tighten the belt.
Roller
Deflection is 5 mm ± 1 mm.
Tension gauge
Motor bracket
2.9N
3Y3C-103E
3Y3C-102E
3Y3C-101E
3Y3C-E-MMD01-A11-02
Page 1-121
REGULAR
MAINTENANCE
1
Changing the Consumable Parts Every 1500 to 6000 Hours
1-7-10 Changing the Vacuum Pumps [6000 Hours]
The vacuum pump is under B stage.
1. Turn off the power.
2. Remove two kinds of covers at the
bottom of rear side of B stage.
3. Remove the vacuum pump from the
machine.
∗ Loosen the 2 bolts fixing the vacuum pump.
4. Remove wiring and air hose.
∗ Set them following to the removing procedure
in the reverse order.
∗ Check the vacuum pressure higher than
- 93.3kPa after changing them.
“1-3-1 Checking the Vacuum Pressure
[before Operation].”
3Y3C-E-MMD01-A11-02
Cover A Loosen 8 bolts.
Cover B Loosen 4 bolts.
Vacuum pump
R
E
L
E
A
S
E
T
R
I
P
O
F
F
O
N
R
E
S
E
T
Bolt
3Y3C-083P
3Y3C-084P
Bolt
Page 1-122
3Y3C-E-MMD01-A11-02
Changing the Consumable Parts Every 1500 to 6000 Hours
1-7-11 Changing the Bearings of Elevating Unit (6000 hours)
In cleaning and checking the transfer head, if the bearing of elevating unit gets brown or it does not
rotate smoothly, change it.
1. Remove 2 of M4 bolts and the hous-
ing.
2. Apply grease to the bearing and set it
to the housing.
[Oil : BARRIERTA IEL/V]
[Bearing type : A-2520 (NMB)]
3. Put the housing and holder together
and settle them temporally with 2 of
M4 bolts from the bottom.
∗ Set the housing so that it can be moved slightly.
4. After putting together the pin of
holder and hole of jig in such way as
setting the transfer head, settle the
bolt securely.
Jig
010KC0AA
3Y3C-159E
Holder
Housing
Bearing
Bolt
010KC0AA
3Y3C-160E