CM88Maintenace1 - 第158页
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 …
Page 1-119
REGULAR
MAINTENANCE
1
Changing the Consumable Parts Every 1500 to 6000 Hours
2. Setting procedure
NOTICE
To prevent the damage of belt, do not bend or press it forcefully in setting.
1. Check the moving direction of belt.
∗ Match the arrow direction printed on the belt to
the running direction.
2. Pull the flat part of belt to the space in
the guide, and insert the belt.
3Y3C-E-MMD01-A11-01
Arrow mark
Wire (6)
Moving direction
3Y3C-100E
Pull the belt slowly
3Y3C-109P
3Y3C-110P
3Y3C-111P
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