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TM 9-6920-737-10
SPC MANAGEMENT PANEL DC POWER SUPPLIES AND OVERTEMPERTAURE INDICATOR LAMP
REPLACEMENT
1.
Unscrew lamp retainer ring (5) from Power Management Panel (2) lamp housing (6).
2.
Set retainer ring (5) aside for later use.
3.
Pull out lamp (7) from lamp housing (6).
CAUTION
The DC and Overtemperature indicator Lamps in the Power Management Panel look the same but operate with different
voltages and are separately identified by part number. Replacement with an incorrect lamp may cause the lamp to fail
immediately or not illuminate when power is applied. Refer to the Power Management Panel DC Lamp Replacement
Table (see 3-19) for correct part number of lamp to be replaced.
4.
Obtain identical lamp (7) from spare lamp box.
5.
Align pins (8) of new lamp with recessed holes in lamp housing (6) and gently push in until bottomed.
NOTE
Retainer ring (5) cannot be reinstalled in step 6 unless lamp is properly seated.
6.
Screw lamp retainer ring (5) onto lamp housing (6).
3-18
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