Tweco 9-9408 - Manual (Page 2)

April 6, 2006 2 Manual 0-4763 Rev. AA
2. Disconnect the ribbon cable connected to the top
edge of the interface PC Board.
3. Remove the four plastic nuts holding the interface
PC Board to the Display PC Board. Gently pull the
interface PC Board off the standoffs.
CAUTION
Do not pull or twist the interconnecting ribbon cable.
4. Remove the four plastic standoffs holding the Dis-
play PC Board to the module front panel. Pull the
assembly (2 PC Boards, with interconnecting rib-
bon cable) off the plastic standoffs. Do not pull or
twist the interconnecting cable. Set the assembly
aside carefully.
NOTE
Leave the clear plastic panel in place on the module
front panel.
5. Position the replacement Display PC Board on the
standoffs mounted to the module front panel, in
the same orientation as the original Display PC
Board. The interface PC Board should hang freely
from the display board, attached by the intercon-
necting ribbon cable. Do not twist or pull the in-
terconnecting ribbon cable. Fasten the display
board in place with 4 plastic standoffs. Tighten
the standoffs snugly by hand. Do not overtighten.
6. Position the replacement interface PC Board on the
standoffs, in the same orientation as the original
interface PC Board. Do not twist or pull the inter-
connecting ribbon cable. Fasten the interface board
in place with 4 plastic nuts. Tighten the standoffs
snugly by hand. Do not overtighten.
7. Reconnect the ribbon cable from the main PC Board
to the interface PC Board. Check for a secure con-
nection.
8. Reinstall the control Module Cover. Be sure the
ground wire is not crimped between the cover and
the module.
9. Reconnect input power to the system. Test the unit
for proper operation.
NOTE
Every effort has been made to provide complete
and accurate information in this manual.
However, the publisher does not assume and
hereby disclaims any liability to any party for
any loss or damage caused by errors or omis-
sions in this Manual, whether such errors re-
sult from negligence, accident, or any other
cause.
Ribbon Cable to Main PC Board
Plastic Nuts
Art # A-07373
Control Module, Front Panel
Interface PC Board
Interconnecting Ribbon Cable
(to Display PC Board)