CP-7[732-742]-series Mechanical Reference(2.9E).pdf - 第129页
3.7 Replacing the V acuum Pump Belt Point The vacuum pump belt should be replaced when broken or damaged. Procedure W ARNING • Be sure to switch off the 200V power supply before beginning this procedure. • Do not touch t…
3.6 Replacing the Vacuum Pump Filter Element
Point
Air which is sucked into the pump must be clean. The filter element should therefore be
replaced when it becomes excessively soiled.
Procedure
WARNING
• Be sure to switch off the 200V power supply before
beginning this procedure.
• Do not touch the vacuum pump immediately after
operation as it may be extremely not. Allow the
pump to cool before performing this procedure.
Loosen the filter case holder, then extract the filter case by pulling it downward. After
extracting the filter case, replace the filter element.
Vacuum pump
Air filter
Flter case holder
Filter case
Filter element
C7SM3054E
Part 3 Chapter 3 Replacing Consumable Parts
Edition 2.7 3-3-9 CP-7 series Mechanical Reference
3.7 Replacing the Vacuum Pump Belt
Point
The vacuum pump belt should be replaced when broken or damaged.
Procedure
WARNING
• Be sure to switch off the 200V power supply before
beginning this procedure.
• Do not touch the vacuum pump immediately after
operation as it may be extremely not. Allow the
pump to cool before performing this procedure.
1. Remove the bracket bolts which secure the vacuum pump table, then disconnect
the harness connectors.
2. Pull out the vacuum pump together with the table.
Vacuum pump
C7SM3056E
Bolts
Connectors
Table
Connectors
C7SM3055E
Part 3 Chapter 3 Replacing Consumable Parts
Edition 2.7 3-3-10 CP-7 series Mechanical Reference
3. Open the belt cover.
4. Remove the motor pulley and replace the belt.
5. Adjust the tension of the new belt. If the belt tension is outside the prescribed
range, move the motor position in 0.1 mm increments to adjust the "L" dimension.
C7SM3064E
L
1.8 mm
Motor pulley
Vacuum pump pulley
Load
Amount of slack
Load
Tension meter *
* : Polyflex tension meter manufactured by Gates Co.
New Belt
1.8 mm
0.50 ~ 0.60 kg
28 ~ 34 lb
Belt During Use
1.8 mm
0.38 ~ 0.46 kg
20 ~ 26 lb
Motor pulley
Belt
C7SM3063E
Belt cover
C7SM3057E
Part 3 Chapter 3 Replacing Consumable Parts
Edition 2.7 3-3-11 CP-7 series Mechanical Reference