GE LOGIQ E9 Service Manual page 545

GE H
EALTHCARE
D 5180263-100, R
IRECTION
8-10-3 Main Power Supply Fan Assembly replacement
NOTE: This procedure only applies to Cherokee/Mitra Main Power Supplies. The fan assembly for
Lambda Power Supplies is not serviceable.
8-10-3-1 Manpower
One person, 45 minutes.
8-10-3-2 Tools
For tools needed, refer to:
8-10-3-3 Preparations
When preparing for the replacement, you must perform the following steps:
Energy Control and Power Lockout for LOGIQ E9
NOTICE
WHEN SERVICING PARTS OF THE SYSTEM WHERE THERE IS EXPOSURE TO VOLTAGE
GREATER THAN 30 VOLTS:
1. TURN OFF THE SCANNER.
2. UNPLUG THE SYSTEM.
3. MAINTAIN CONTROL OF THE SYSTEM POWER PLUG.
TAG
&
LOCKOUT
4. WAIT FOR AT LEAST 20 SECONDS FOR CAPACITORS TO DISCHARGE AS THERE ARE NO
Signed Date
TEST POINTS TO VERIFY ISOLATION. THE AMBER LIGHT ON THE OP PANEL ON/OFF BUTTON
WILL TURN OFF.
5. DISCONNECT THE EPS (EXTENDED POWER SHUTDOWN) BATTERY AT J3, OR THE
BATTERY FROM THE CHARGEBOARD AT PCN1 WHEN WORKING IN THE BEP. THIS SHOULD
BE DONE WHENEVER THE BEP IS OPEN AND THE EPS OR CHARGEBOARD IS EXPOSED AND
CHANGING PARTS.
Beware that the Main Power Supply, Extended Power Shutdown or ChargeBoard and BEP may be
energized even if the power is turned OFF if the cord is still plugged into the AC Outlet.
1.) Power down the system
2.) Disconnect the mains power cable from the wall outlet.
3.) Disconnect all Probes and External I/O Cabling.
4.) Remove both Side Covers.
5.) Remove the Top Cover.
6.) Remove the Rear Bumper.
7.) Remove the Rear Cover.
8.) Remove the Main Power Supply.
Follow these links if you need more information:
• 4-2-4 "Power shut down" on page 4-7.
• 8-5-2 "Side Covers replacement" on page 8-27.
• 8-5-3 "Top Cover replacement" on page 8-31.
• 8-5-7 "Rear Cover replacement" on page 8-38.
• 8-10-2 "Main Power Supply replacement" on page 8-176.
5
EV
8-2-5 "Tools needed for servicing LOGIQ E9" on page
Chapter 8 Replacement procedures
LOGIQ E9 Service Manual
8-5.
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