Christie CP2220 Manuale utente

Widen a Cathode Clamp Instruction Sheet 1

020-101328-01 Rev. 1 (01-2014)

Widen a Cathode Clamp

Instruction Sheet

The installation of Ushio CDXL lamps in Christie Digital projectors can be difficult when the cathode

clamp is compressed by over tightening on these projector models:

This document provides a procedure for widening the clamp to allow the installation of CDXL lamps.

Safety Precautions

Prerequisites

• 1/8” Allen key

• Christie protective safety clothing (P/N: 598900-95) or equivalent

• Large flathead screwdriver

• Protective lamp case

• CP2220 • CP4230 • D4K3530 • CP2000-SB

• CP2230 • D4K2530 • D4K3560 • CP2000-ZX

• CP4220 • D4K2560 • CP2000-H

Failure to comply with these statements results in death or serious injury:

• ELECTRICAL SHOCK HAZARD! Always turn off, disconnect, and disengage all power

sources to the projector before servicing.

• Lamp replacement must be performed by a qualified service technician.

• EXPLOSION HAZARD! Wear authorized protective clothing whenever the lamp door is

open and when handling the lamp. Never twist or bend the quartz lamp body. Use the

correct wattage lamp supplied by Christie.

• Ensure those within the vicinity of the projector are also wearing protective safety

clothing including a full face shield, Kevlar gloves, and a ballistic nylon jacket.

• Never attempt to remove the lamp when it is hot. The lamp is under pressure when hot

and may explode, causing personal injury, death, or property damage. Allow the lamp to

cool completely before replacing it.

Improper installation of the lamp can damage the projector. Failure to comply could result in

death or serious injury.

Only Christie accredited service technicians are permitted to open any enclosure on the

projector and only if the AC power has been fully disconnected. Failure to comply could

result in minor or moderate injury.

2 Widen a Cathode Clamp Instruction Sheet

020-101328-01 Rev. 1 (01-2014)

Widen a Cathode Clamp Instruction Sheet

Remove the Lamp

This procedure describes the removal of the lamp from a Christie CP4230 projector. For removal

instructions that are specific to your projector model, see the projector Service Manual.

1. Turn the lamp off and cool the projector for at least 15 minutes.

2. Turn the projector off and disconnect it from AC power.

3. Put on your protective clothing and face shield.

4. Unlock and open the lamp door.

5. Undo the three clips on the cathode lamp duct and remove the duct.

6. Loosen the cathode screw on the cathode clamp.

Widen a Cathode Clamp Instruction Sheet

Widen a Cathode Clamp Instruction Sheet 3

020-101328-01 Rev. 1 (01-2014)

7. Loosen the anode clamp screw and remove the clamp from the lamp.

8. Hold the anode end of the lamp with your left hand and carefully unscrew and remove the

cathode nut with your right hand.

9. Unscrew the lamp from the cathode clamp.

10. Hold the anode end of the lamp and carefully guide the lamp through the reflector without

contacting the reflector.

11. With your right hand, guide the cathode end out of the reflector, on an angle, through the lamp

access door.

12. Open a protective lamp case and place the lamp into the case. Thread the cathode nut onto the

lamp, close the protective case, and place the case in a location where it cannot fall or be

bumped.

13. Remove your protective clothing and face shield.

Widen the Cathode Clamp

1. Inspect the cathode clamp for damage.

If the cathode clamp is damaged, contact Christie Digital and request a replacement.

2. Reach into the projector and remove the cathode screw (A) from the cathode clamp (B) with a

1/8” Allen key.

Handle the protective case carefully. The lamp is hazardous even when it is

enclosed in a protective case. Failure to comply could result in death or

serious injury.

4 Widen a Cathode Clamp Instruction Sheet

020-101328-01 Rev. 1 (01-2014)

Widen a Cathode Clamp Instruction Sheet

3. Insert and tighten the cathode screw into the opposite side of the cathode clamp.

4. Insert the flat portion of a large flathead screwdriver into the cathode clamp so it fits behind the

cathode screw.

5. Hold the screwdriver in position and tighten the cathode screw against the screwdriver with a

1/8” Allen key until the cathode clamp widens enough to allow the installation of a CDXL lamp.

6. Remove the cathode screw and reinstall it in its original location.

Widen a Cathode Clamp Instruction Sheet

Widen a Cathode Clamp Instruction Sheet 5

020-101328-01 Rev. 1 (01-2014)

Reinstall the Lamp

1. Put on your protective clothing and face shield.

2. Remove the cathode nut from the lamp before removing it from the protective case.

3. Remove the lamp from the protective lamp case.

4. Hold the anode end of the lamp in your left hand and angle it up through the hole in the back of

the reflector assembly. Insert your right index and middle finger through the back of the reflector

and guide the threaded end of the lamp into the cathode clamp. Be careful not to hit the lamp

against the reflector

5. Thread on and hand-tighten the cathode nut. Ensure the smooth portion of the nut is against the

cathode clamp.

6. Tighten the cathode screw.

7. Slide the anode clamp over the lamp and tighten the anode screw.

8. Replace the cathode lamp duct.

9. Close and lock the lamp door.

10. Remove your protective clothing.

11. Connect the projector to AC power and turn it on.

Failure to comply with these statements could result in minor or moderate injury:

• Handle the lamp by the cathode or anode end shafts only, never the glass.

• Do not over-tighten the lamp.

• Do not stress the glass in any way.

• Check the leads and make sure the anode (+) lead between the lamp and igniter is well

away from any projector metal, such as the reflector or fire wall.

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