Vulcan-Hart 3-130, Руководство по обслуживанию

Страница: 37 / 48

8 – 4
SECTION 8 - DISASSEMBLY/REASSEMBLY - A-CONTROL
8.5 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
8.5.1:
Follow steps 8.1.1 through 8.1.2 of CONTROL DRAWER
REMOVAL.
8.5.2:
Disconnect wires AC1, AC2, MT1, MT2 and 4 muffle wires
from power board.
8.5.3:
Disconnect orange wire from triac.
8.5.4:
Disconnect wires from pyrometer.
8.5.5:
Remove knob by pulling out and nut (13mm nut driver or
pliers).
8.5.6:
Remove 2 screws.
Reverse steps for reassembly.
CAUTION! Do not overtighten nut
muffle
wires
AC1
MT2
AC2 MT1
Orange
Remove
Pyrometer
Red from PCB
Top
View
Yellow from PCB
Yellow from Muffle
Red from Muffle
7.8 Fig. G