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

SECTION - DISASSEMBLY/REASSEMBLY - A-CONTROL

. A-CONTROL PCB

TOOLS:
Phillips screwdriver
Needle nose pliers
3/8" nut driver or wrench
1/4" nut driver
13 mm nut driver or pliers
CAUTION!
Use proper ESD grounding techniques when handling
electronic component
. . :
Follow steps 8.1.1 through 8.1.2 of CONTROL DRAWER
REMOVAL.
muffle
wires
AC1
MT2
. . :
Disconnect wires AC1, AC2, MT1, MT2 and 4 muffle wires
from power board.
. . :
Disconnect orange wire from triac.
Pyrometer
Top
View
7.8 Fig. G
Yellow from PCB
Yellow from Muffle
. . :
Disconnect wires from pyrometer.
. . :
Remove knob by pulling out and nut (13mm nut driver or
pliers).
Orange
. . :
Remove 2 screws.
Reverse steps for reassembly.
Red from PCB
Red from Muffle
CAUTION! Do not overtighten nut
8 – 4
Remove