Instructions
1336 PLUS & 1336 IMPACT
™
AC Drive
Main Control Board Replacement
Frames A - H
This publication will guide you through replacement of the Main Control
Board on 1336 PLUS and 1336 IMPACT AC Drives.
1.
Remove and lock-out all incoming power to the drive.
2.
Remove front cover or entire enclosure as required for adequate access.
3.
If a HIM is installed, remove the module by sliding it down and out of
the cradle.
–
A Frame Drives Only
- Remove the screws securing the HIM cradle.
Remove the cradle and cable.
4.
Remove the Language Module by carefully squeezing the sides-in, and
pulling outward.
5.
If a Control Interface Board (L option) is installed, carefully remove the
board by loosening the 2 captive screws. Position the board and attached
wires off to the side of the chassis.
6.
Label and remove any remaining cables/wires (note orientation) from the
board.
7.
Remove the screws securing the Main Control Board. Remove the board
and set aside.
!
ATTENTION:
This drive contains ESD (Electrostatic
Discharge) sensitive parts and assemblies. Static control
precautions are required when installing, testing, servicing or
repairing this assembly. Component damage may result if ESD
control procedures are not followed. If you are not familiar with
static control procedures, reference publication 8000-4.5.2,
“Guarding Against Electrostatic Damage” or any other applicable
ESD protection handbook.
!
ATTENTION:
To avoid a shock hazard, assure that all power to the
drive has been removed before proceeding with the following
procedure. In addition, verify that the DC bus has discharged by
measuring across the “+DC” and “–DC” terminals of TB1 with a
voltmeter. The voltage should be 0.0VDC.
