LED Power Box Assy

Prerequisites

Table 1. Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1	Not Applicable	30 minutes	Not Applicable

Table 2. Tools and test equipment
Item	Quantity	Effectivity	Part number	Manufacturer
Non Magnetic Tool Set	1	-	-	-

Table 3. Replacement parts
Item	Quantity	Effectivity	Part number	Manufacturer
LED Power Box Assy (Refer to Illustrated Parts)	1	-	-	-

Table 4. Safety

DANGER

STRONG MAGNETIC FIELD!

FERROUS MATERIALS CAN BECOME DANGEROUS PROJECTILES IN THE PRESENCE OF THE MAGNETIC FIELD PRODUCED BY THE SIGNA MAGNET.

Do not Bring any ferromagnetic tools or equipment into the magnet room.

Warning

ELECTROCUTION HAZARD!

DANGEROUS VOLTAGES ARE PRESENT AROUND THE MAGNET SUBSYSTEM WHEN ENERGIZED.

LOCK AND TAG OUT POWER TO THE magnet room BEFORE STARTING WORK.

Warning

STRONG MAGNETIC FIELD!

FERROUS MATERIAL INSIDE OF LED POWER BOX

PLEASE REPLACE IT CAREFULLY

Table 5. Required conditions
Condition	Reference	Effectivity
System Power must be turned OFF. Refer to Lockout / Tagout for 1.5T System Cabinet PDU Main Breaker.	-	-

Remove Rear Pedestal left cover.
Disconnect all connectors from LED Power Box. (J1, J3, J4, J5, and fiber optical cable)
Loosen 2 top screws fixing LED Power Box.
Loosen 2 bottom screws fixing LED Power Box.
Tilt and remove LED Power Box.

Figure 1. LED Power Box Replacement
Restore it by the reverse order of the removal.