Driver Pcb Assembly Replacement - Pacific Power Source MS SERIES Operation Manual

SECTION 6

6.5.7 DRIVER PCB ASSEMBLY REPLACEMENT

This procedure is to be used to replace an MS-Series Driver PCB Assembly.
Input power MUST be removed before attempting this procedure.
LETHAL VOLTAGES ARE PRESENT INSIDE THE MAINFRAME (ON THE DC BUS)
WHEN RED LEDS ARE LIT ON THE DISCHARGE PCB - EVEN IF INPUT VOLTAGE
IS NOT PRESENT AT THE INPUT TERMINALS.
Driver PCB Assembly Replacement
STEP 1: Remove the Inverter assembly as described in section 6.5.1.
STEP 2: Remove all screws holding the top screen and side covers.
Remove top screen and side covers.
STEP 3: Disconnect all cables.
Remove six nuts holding the Driver PCB.
Remove the Driver PCB assembly.
STEP 4: Install Driver PCB assembly.
Install six nuts holding the Driver PCB.
Install all cables to the Driver PCB.
STEP 5: Install top screen and side covers.
Install all screws holding the top screen and side covers.
STEP 6: Install the Inverter assembly as described in section 6.5.1.
Pacific Power Source ©2013
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ELECTROCUTION HAZARD.
6-41
WARNING
Document # 126050-10 Rev E
SERVICE