TM9-4110-254-14
4-23.
LAMP DS1 ASSEMBLY TESTING AND REPLACEMENT.
This task covers a. Testing b. Removal c. Assembly d. Installation
INITIAL SETUP
Equipment Conditions:
General Safety Instructions:
disconnected.
WARNING
Control box cover door raised and latched.
High voltage and exposed rotating parts are
Materials/Parts:
used in the refrigeration unit. Personal injury.
can result if power is connected.
Lock Washers (2)
Marker Tags (2)
(1) Be sure power has been disconnected at the source and remove indicator cap (1) and lamp (2).
(2) Using multimeter set to measure continuity, check lamp (2) continuity between terminals. Continuity should be
indicated. If no continuity was indicated, replace lamp (2).
(3) If no failure was indicated, install lamp (2), and indicator cap (1).
b. Removal.
(1) Be sure power has been disconnected at the source and remove indicator cap (1) and lamp (2).
(2) Remove two bolts (3) and lock washers (4). Open control panel (6). Discard lock washers.
(3) Tag wire lead terminals (6) and remove two screws (7) and wire lead terminals.
NOTE
Terminal and base mounting hardware is supplied with indicator base.
(4) Remove nut (8), lock washer (9), and indicator base (10).
c. Installation.
(1) Install indicator base (10), lock washer (9), and nut (8).
(2) Using tags and wiring diagram (fig 1-4), install wire lead terminals (6) and two screws (7). Remove tags.
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