MEC-CP842-1.0E.pdf - 第117页
Replacing Con sumable Parts >> Vacuum Pump Belt MEC-CP842-1.0E 6-9 3 Open the belt cover . 4 Remove the motor pulley and replace the be lt. 5 Adjust the tension of the new belt. If the belt te nsion is outsid e the…
Replacing Consumable Parts >> Vacuum Pump Belt
6-8 MEC-CP842-1.0E
6.6 Vacuum Pump Belt
Point
The vacuum pump belt should be replaced when broken or damaged.
Procedure
1 Remove the bracket bolts that secure the vacuum pump table, then disconnect
the cable connectors.
2 Pull out the vacuum pump together with the table.
WARNING
• Turn the main power off before performing this procedure.
• Do not touch the vacuum pump immediately after operation
because it may be extremely hot. Allow the pump to cool before
beginning this procedure.
C746M4008
Bolts
Connectors
Table
Connectors
C746M4009
Vacuum pump
Replacing Consumable Parts >> Vacuum Pump Belt
MEC-CP842-1.0E 6-9
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 length "L".
C746M4010
Belt cover
C746M4011
Motor pulley
Belt
C746M4012
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
Replacing Consumable Parts >> Vacuum Pump Internal Vanes and Bearings
6-10 MEC-CP842-1.0E
6.7 Vacuum Pump Internal Vanes and Bearings
Point
The vacuum pump blade consists of 6 vanes. Broken vanes can cause abnormal vac-
uum pump noise, and may reduce the vacuum force. When replacing the vanes, the
bearings must also be replaced.
Procedure
Disassembly
1 Pull out the vacuum pump. (For this procedure, refer to section 6.6 "Vacuum
Pump Belt").
2 Remove the duct together with the bracket.
WARNING
• Turn the main power off before performing this procedure.
• Do not touch the vacuum pump immediately after operation
because it may be extremely hot. Allow the pump to cool before
beginning this procedure.
C746M4013
Vacuum pump
C746M401
4
Duct