Service Manual

MM-E 2072-09333-00
3-28
CAUTION
The rear panel need not be removed to gain access to the modules.
Do not attempt to remove the rear panel before removing the LORD
and HI POWER modules as explained below.
4. To reassemble the front cover, reverse the procedure described above.
3-6.2.2 Replacing Components of LORD Assembly
Refer to para. 3-6.1.2.
3-6.2.3 Replacing the HI POWER Module
Refer to para. 3-6.1.3.
3-6.2.4 Replacement of INTERCONNECTION Module
1. Remove the front cover in accordance with
para. 3-6.2.1.
2. Release the four screws fastening the
INTERCONNECTION module to the front
cover. Keep screws and washers for reuse.
3. Remove the INTERCONNECTION module.
4. Position the replacement module, oriented as
seen in the figure, on the front cover, and then
fasten it with the four original screws.
INTERCONNECTION
Module
Fastening Screws
(4 places)
3-6.2.5 Replacement of CONTROL HEAD Module on Control Head Assembly
Refer to Figure 3-19.
1. Release the 13 screws fastening the rear panel of the control head. Keep screws and washers for
reuse.
2. Remove the rear panel.
3. Release the nine screws fastening the CONTROL HEAD module to the front panel. Keep
screws and washers for reuse.
4. Remove the CONTROL HEAD module. Make sure that the keypad and the inserts remain in
their place, on the front panel.
NOTE
To remove the LCD, release its four fastening screws, and then
disconnect it from the module. Also disconnect the two harnesses
connected to connectors P2 and P4 on the module.
5. If necessary, move the LCD to the replacement module.
6. Orient the replacement module in accordance with Figure 3-19.
7. Fasten the replacement module with the nine original screws removed in Step 3.
8. Reinstall the rear panel on the control head.