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IRECTION 5535208-100, REV. 2 LOGIQ E9 SERVICE MANUAL
8 - 244 Section 8-10 - Main Power Supply parts replacement
Section 8-10
Main Power Supply parts replacement
8-10-1 Purpose of this section
This section describes how to replace the Main Power Supply and components and to service parts.
8-10-2 Main Power Supply replacement
NOTE: If installed, remove the 4D motor controller and install in replacement Power Supply.
8-10-2-1 Main Power Supply removal
This procedure addresses the two types of Main Power Supplies (Cherokee/Mitra and Lambda) used
in the LOGIQ E9.
Table 8-156 Manpower / Time and Tools
Manpower /
Time
Tools
One person /
30 minutes
Refer to: 8-2-5 "Tools needed for servicing the LOGIQ E9" on page 8-5.
Table 8-157 Preparations and Preparation Links
Preparations - you must perform the following steps
IF THE SHEAR WAVE OPTION IS PRESENT, MAKE SURE THE LEDS ON THE
CAPACITOR PACK ARE OFF BEFORE DISCONNECTING THE CAPACITOR PACK
CABLES.
Energy Control and Power Lockout for LOGIQ E9
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.
4. WAIT FOR AT LEAST 20 SECONDS FOR CAPACITORS TO DISCHARGE AS THERE ARE NO
TEST POINTS TO VERIFY ISOLATION. THE AMBER LIGHT ON THE OP PANEL ON/OFF
BUTTON WILL TURN OFF.
5. DISCONNECT THE CHARGEBOARD BATTERY AT PCN1 ON THE CHARGEBOARD WHEN
WORKING IN THE BEP. THIS SHOULD BE DONE WHENEVER THE BEP IS OPEN AND THE
CHARGEBOARD IS EXPOSED AND CHANGING PARTS.
Beware that the Main Power Supply, 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 and all Probes and External I/O Cabling.
3. Remove both Side Covers, the Top Cover, the Rear Bumper and the Rear Cover.
Preparation Links (if you need more information):
• 4-2-3 "Power shut down" on page 4-7.
• 8-5-2 "Side Covers replacement" on page 8-30.
• 8-5-11 "Rear Cover replacement" on page 8-54.
• 8-10-4 "4D Motor Controller (4D MC) replacement" on page 8-256.
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