Control Board Removal B2-34 - Nordson 3100V Series Customer Product Manual

B
2-34
Control
Power
Board lnstallation
(contd.)
3.
lnstall
the mounting screws and lock washers you removed earlier.
Be sure to use lock washers on the three screws located
at
the three
ground pads on the power
board. Tighten
all screws to
2.0-2.5 N.m (18-20
in.-lb).
NOTE: See
Figure B 2-14
for an exploded drawing of the control
assembly parts.
4.
lnstall
the large triac (Q17) screw, which
is to
the left of
TB1.
Tighten
the screw to
0.8-0.9 N.m (7-8
in.-lb).
5.
lnstall the two triac clamps and, starting with the center screw, tighten
the securing screws lo
2.0-2.3 N.m (18-20
in.-lb).
6.
Connect
the voltage plug you kept from your old board to X3 (and X4
if
applicable)
on
the power board.
7.
Connect all other
harnesses, ribbon cables, and other connections to
the power board.
B.
Go
to
System Restoration.
Control Board Removal
1.
lf
you have not already done so, complete Preparation for Removal.
2.
Remove the power
board.
Refer
to
Power Board Removal.
3.
Label or note all control board connections for later reference.
NOTE: See
Figure B 2-14
for an exploded drawing of the control
assembly
parts.
The wiring diagram contained
inthe
Wiring
Diagrams section at the end of this manual may also be helpful.
4.
Disconnect all harnesses, ribbon cables, and other connections from
the control board.
5.
Remove the mounting hardware from the control board
NOTE:
lf
your unit has the optional l/O board, you must also
disconnect
this board from the control board.
Refer
to
Series 3000V
lnput/Output Boardinlhe
Options section
for instructions on l/O board
removal.
6.
Carefully separate the control board from the display board.
Take
care not to bend the XP4A connector pins that join the control and
display boards.
Retain the connector.
82EN-04-[3V-X-4XXU-s 41-3000y
lssued 5/00
@
2000 Nordson Corporation
All rights reserved