Lotem 400

FCO 510F28032- New Vacuum Hose

Description Vacuum Hose Replacement

Reason For Change

The new and improved vacuum hose increases reliability.

Description of Change
The following items are replaced:

• Vacuum hose
  
• Vacuum pump nipple
  
• Swivel hose interface
  
• Vacuum hose adaptor

Change Procedure
To assemble the new vacuum hose, you must first disassemble the old one.

Disassemble

1. Using the application, open the Lotem top door.
   
2. Close the application.
   
3. Open the right side door.
   
4. Open the light cover.
   
5. Remove the two screws on both sides, and remove the light cover. Keep the screws and spring washers.



6. Cut the (old) vacuum hose from the swivel interface.
   
7. Release the blue hose connected to the swivel interface.



8. Unscrew the old swivel interface from the swivel.



 

9. Disconect the old vacuum hose from the vacuum hose adaptor and the vacuum pump.
10. Unscrew the two screws holding the pipe-L400 weld. Save the screws and washers.



11. Unscrew the plastic nipple from the vacuum pump using an open wrench 1 1/8" or 29mm.

    

Assembly

1. Make sure that the new swivel interface thread has Teflon on it.
2. Screw the new swivel interface onto the swivel. The swivel interface should be 35-45 degrees to the left of the swivel as shown in the following picture.

3. Replace the new pipe L400-weld using the screws from the old adaptor.

Note: If the machine includes the MCU, use the existing vacuum tube weldment (296A2T694), as shown below.

4. Cut a length of vacuum hose of about 30cm and, using the clamps, connect it to the swivel interface on one side and the Pipe L400-weld on the other side.

5. Connect the blue hose to the swivel interface. (Check the required length first and cut extra hose.)
6. Replace the light cover using the 4 screws.
7. Connect the white nipple to one end of the L shaped adaptor using Teflon, and connect the pipe to the other end of the L shaped adaptor, as shown in the following picture.

8. Connect the new vacuum hose adaptor (white nipple, L-shaped adaptor, and pipe) to the vacuum pump.
9. Connect the new vacuum hose about 70cm between the white nipple and the Pipe L400-weld using clamps.

10. Close the light cover.
11. Close right side door.

Test Procedure

1. Power up the machine and start the application.
2. Place the cheater on the open door.
3. Using the application, open the drum vacuum pump and activate the vacuum pump.
4. Check the hose and hose connections for any vacuum leakage.
5. Power off the drum vacuum pump.
6. Load and expose plates of different sizes and thickness, process the plates, and check for any attachment problems on the plates.

Parts List

The following parts are included in the FCO kit. (Under the 510F28032)

Attached Documentation

None.

Material Disposition

Dispose of the old parts.

Logistics

7.3 Inventory in warehouses:
None.