Stage Control Pcb - Vulcan-Hart A-130 Service Manual

SECTION - DISASSEMBLY/REASSEMBLY - -STAGE
. A STAGE CONTROL PCB -
TOOLS:
Phillips screwdriver, Slotted screwdriver, Needle nose pliers
CAUTION!
Use proper ESD grounding techniques when handling
electronic components
. . : Follow steps 8.1.1 through 8.1.2 of CONTROL DRAWER
REMOVAL.
DOT
. . : Disconnect wires from power switch.
. . : Disconnect ribbon connectors.
. . : Remove relay and door switch wires.
. . : Disconnect wires from triac.
. . : Remove thermocouple wires
. . : Remove 5 screws.
. . : Squeeze plastic standoff and lift circuit board.
. . : Replace with new circuit board. Tighten
5 screws. Follow wiring diagram 5.9 on page 5-12.
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