Product

• Kodak^® Magnus^™ 400 II LDA family
• Kodak Magnus 400 II Quantum
• Kodak Magnus 400 LDA family
• Kodak Magnus 400 Quantum
• Kodak Magnus 400 II family platesetters with MCU II
• Kodak Magnus 400 family platesetters with MCU

Background

This procedure describes how to remove and install the leadscrew on Magnus 400 II and Magnus 400 family platesetters.

Requirements

• Hex key set

Procedure

This procedure includes the following sections:

• Before you begin
• Removing the leadscrew
• Installing the leadscrew

Before you begin

1. In the Magnus 400 Controller software, send the carriage to position 750.
2. Open the rear door.
3. Quit the Magnus 400 Controller software, and shut down the platesetter.
4. Open or remove the following:
   • Rear panel
   • Side doors
   • Side panels (on Magnus 400 family platesetters only)
   • Unloading tray

Removing the leadscrew
Note: For Magnus 400 II platesetters, skip steps 1 and 2, and start the procedure from step 3.

1. (For Magnus 400 family platesetters only) Remove the Local3 box.
   1. On the left side of the platesetter, remove the two hex screws that secure the Local3 box cover to the mainframe, and open the cover.
      
      
      
      
   2. Remove the two screws that secure the Local3 board to the Local3 box.
      
      
      
      
   3. With the Local3 box open, lift the Local3 board up and out of the Local3 box, and set it aside.
      
      
      
      
2. (For Magnus 400 family platesetters only) Loosen, but do not remove, the two hex screws on the leadscrew weight, and remove the weight.
   
   
   
   
3. On the carriage, on the sides of each oiling pad, remove the two hex screws and carefully wiggle the oiling pads out.
   
   
   
   
4. (For Magnus 400 II family platesetters only) Remove the two hex screws that secure the Local3 board to the Local3 box, and remove the Local3 board. To locate the hex screws, see step 1b.
   
   
   
   
5. Insert the hex key into each of the three locking-screw access holes, and remove the three locking screws on the carriage that secure the leadscrew coupling to the carriage. Set the locking screws aside.
   
   
   
   
6. On the right side of the platesetter, disconnect the home position (HP) detector.
   
   
   
   
7. With a hex key, release the grounding cable.
8. Disconnect the stepper motor wiring.
   
   
   
   
9. Remove the stepper motor wiring Molex^® bracket.
   Note: Make sure to disconnect the entire wiring assembly from the leadscrew bearing housing.
10. Remove the four hex screws that secure the stepper motor to the V-block, and remove the stepper motor.
11. Remove the four hex screws that secure the leadscrew to the V-block, and carefully remove the leadscrew.
    
    

Installing the leadscrew

1. Insert the leadscrew and secure it to the V-block with the four hex screws that you removed earlier.
2. Reinstall the stepper motor and secure it to the V-block with the four hex screws that you removed earlier.
3. Reinstall the stepper motor wiring Molex bracket.
4. Reconnect the stepper motor wiring.
5. Reconnect the grounding cable.
6. Reconnect the HP detector connector.
7. With the long hex key, insert and tighten the three locking screws that secure the leadscrew coupling to the carriage.
8. (For Magnus 400 II platesetters only) Insert and tighten the two hex screws that secure the Local3 box cover to the mainframe.
9. On the carriage, carefully insert the oiling pads, and then insert and tighten the two hex screws on the sides of each oiling pad.
10. (For Magnus 400 family platesetters only) Insert the leadscrew weight, and tighten the two hex screws that secure the weight to the leadscrew.
11. (For Magnus 400 family platesetters only) Reinstall the Local3 board, and close the cover on the Local3 box.

Test

Technical contact

Content owner: Mario Amir
See the Escalation page for escalation contacts.

Date submitted

30 Apr 2008