NEW BRUNSWICK SCIENTIFIC innOva 4200, Manual To Operation

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49
Innova 4200
•
M1233-0053 User’s Guide
14. Apply heat sink compound to the
HEAT SINK BRACKET
.
15. Position the gray insulator on the solder side of the new main control board
and reconnect the
KEY PAD RIBBON CONNECTOR
to the
J4 CONNECTOR
.
16. Verify that the five ¼ inch
SPACERS
are lined up with the
MOUNTING STUDS
.
Set the new
MAIN CONTROL BOARD
in place.
17. Tighten the two screws to the
HEAT SINK BRACKET
.
18. Reconnect the
KEY PAD GROUND LEAD
.
19. Reconnect the
GROUND WIRE
.
20. Reconnect the harness wires to
CONNECTORS J1
and
J2
. Ensure that all
connectors are properly positioned and secure. Verify that no pins are visible.
21. Ensure that the board-to-board connectors are properly positioned. Snap the
TEMPERATURE CONTROL BOARD
onto the
MAIN CONTROL BOARD
. Verify
that no pins are visible and the board is secure.
22. Replace the nylon washers. Replace the three ¼ inch screws. Use a Phillips
(+) head screwdriver to tighten screws.
23. On the
TEMPERATURE CONTROL BOARD
, reconnect the harness wires to
connectors
J101
,
J102
,
J103
and
J104
. Ensure that all connectors are properly
positioned and secure. Verify that no pins are visible.
24. Lift up hinged front panel and replace the three screws. Use a Phillips (+)
head screwdriver to tighten the screws.
25. Close the door of the shaker.
26. Reconnect the
POWER CORD
to the electrical outlet.