Vulcan-Hart 3-130, Service Manual

Page: 39 / 48

8 – 5A
SECTION 8 - DISASSEMBLY/REASSEMBLY
8.6B 3 STAGE CONTROL PCB – 9495232
TOOLS:
Phillips & Slotted Screwdrivers, Needle Nose Pliers
Follow steps 8.1.1 through 8.1.2 of Control Drawer
REMOVAL
CAUTION!
Use proper ESD grounding techniques when handling
components
Figure 1 - Disconnect wires from
Power Switch
Figure 4 -Remove Door Switch Wires
Figure 7 - Remove 4 Screws from PCB
Figure 10 - Insert PCB in standoff,
tighten 4 Screws
Figure 2 - Disconnect Ribbon Cables
Figure 5 - Remove Wire From Triac
Figure 8 - Squeeze standoff with
needle nose pliers & remove PCB
Figure 11 - Follow Steps #1 thru
#6 for PCB Connections
Figure 3 - Remove Relay Wires
Figure 6 - Remove Thermocouple
Wires
Figure 9 - New PCB Replacement