Field Change Order #28271 - Load Roller Assembly Adjustment

Description
To enable adjusting the distance between the Load Roller and the Tail Gripper assembly, the Load Roller Flanges are replaced with flanges containing oval holes.

1. Reason For Change
   To resolve loading problems due to different tolerances in the machines, by enabling Load Roller adjustment.
   
   
2. Description of Change
   Replacing the old flanges with the new Load Roller Flanges, which have oval holes.
   
   
3. Change Procedure
   In order to adjust the Load Rollers, you must first replace the Load Roller Flanges.
   
   Performing Shutdown
   1. From the application, open the front door.
   2. Manually open the side doors.
   3. Disassemble the Laser Covers by removing the six screws.
   4. Exit the application.
   5. Turn off the machine.
   6. Disconnect the main power to the machine.
   7. Disconnect the air pressure to the machine.
      

To disassemble the left Load Roller Flange:

1. Disconnect the air tube from the piston.
2. Remove the HP Flag [22] by unscrewing the two retaining screws [23].
   
   
3. Open and remove the three screws holding the Load Roller Flange.
   
   
   
   
4. Using pliers, extract the Retaining Ring [4] from the shaft.
5. Remove the bearing and retainers from the Load Roller Flange.
6. Remove the Load Roller Flange.

To assemble the left Load Roller Flange:

1. Insert the new Load Roller Flange.
2. Insert the bearing and retainers.
3. Assemble the Retaining Ring on the shaft.
4. Insert and tighten the three screws that hold the Load Roller Flange.
5. Insert the HP Flag and tighten the two retaining screws.
6. Insert the air tube to the piston.

To disassemble the right Load Roller Flange:

1. Remove the Cotter Pin [11].
   
2. Remove the Roller Arm Pin [5].
3. Open and remove the two screws that hold the piston [8].
4. Remove the piston [7].
5. Open and remove the three screws holding the Load Roller Flange.
6. Using pliers, extract the Retaining Ring [4] from the shaft.
7. Remove the bearing and retainers from the Load Roller Flange.
8. Remove the Load Roller Flange.

To assemble the right Load Roller Flange:

1. Insert the new Load Roller Flange.
2. Insert the bearing and retainers.
3. Assemble the Retaining Ring on the shaft.
4. Insert and tighten the three screws that hold the Load Roller Flange.
5. Reinstall the piston.
6. Insert and tighten the two screws that hold the piston.
7. Insert the Roller Arm Pin [5].
8. Insert the Cotter Pin [11].

Adjusting the Load Roller

1. Connect the air pressure to the machine.
2. Move the Tail Gripper until it is as close as possible to the Head Gripper.
3. On both sides of the drum, place a twin Jig (P/N 290B7B995), as shown in Figure 4, under the Tail Gripper.
   
   
   
4. Drag the Tail Grippers until they touch the Head Gripper, as shown in Figure 5.
   
   
   
   
5. Turn the drum until the V groove in the Tail Gripper is directly above the Load Gripper Actuator Pins, as shown in Figure 6, and push the Load Gripper Bar to lock the drum position.
   
   
6. Since the air pressure was turned off, use the jig (P/N 290B7B994) as shown in Figure 7, to lock the Load Roller Piston in position so that the rollers are almost touching the drum, as shown in Figure 8
   
   
7. Release the three screws that hold the flange of the Load Roller Bracket on the left and right sides. (See Figure 2.)
8. Push the Load Roller flange toward the Tail Gripper until the Load Rollers touches the jigs on both sides. First do one side, tighten the 3 screws that you loosened in step 7, and then do the other side.
9. Remove the Piston jig.
10. Release the drum by pulling the Gripper Bar.
11. Turn the drum to enable you to remove the two twin jigs.

Powering Up the Machine

1. Connect the air pressure to the machine.
2. Adjust the HP Flag so that it is above and as close as possible to the HP detector entrance, and tighten the two screws.
3. Connect the main power to the machine.
4. Turn on the machine
5. Start the application.
6. Assemble the Laser Covers by securing the six screws.
7. Manually close the side doors.
8. Close the front door.
9. Check that the machine is in Ready mode

4. Test Procedure
   Load and unload plates of different sizes and thicknesses, check that the plates loading complete successfully and verify that no error messages appear.
   
   
5. Parts List
   The 510F28271 kit includes the following parts:
   

   Part No.	Qty	Description
   290B2T801A	2	Lower Actuator Flange II
   290B7B995	2	Twin Jigs
   290B7B994	1	Jig
   !FCO-DOC	1	FCO document

   
   
6. Material Disposition
   Dispose of the old parts.
   
   
7. Logistics
   1. Approved quantities:
      

      CAM	30
      CEU	30
      CAP	10
      CJP	10
      CMA	10
      No Limit

      
      
   2. Schedule supplies for first lots: 01-12-01
      

      DU		Month	QTY	Month	QTY	Month	QTY
      CAM	:	April	30
      CEU	:	April	30
      CAP	:	April	10
      CJP	:	April	10
      CMA	:	April	10
      Other	:

      
      
      
8. Inventory in warehouses
   Dispose of all the old roller bases, p/n 290B2T801, in inventory and replace with 290B2T801A.