TM 9-4910-663-34
d.
Removal and Replacement of Work Lamp DS3 (fig 2-4).
(1)
Disconnect main power from the test stand.
(2)
Remove the panel retaining hardware from the instrument panel and lower panel. Then remove the upper
rear panel.
(3)
Disconnect the lead wires of work lamp DS3 from terminal board TB1 (fig 2-10).
(4)
Cut cable ties as necessary to free the work lamp wiring.
(5)
Remove the work lamp retaining nut, and remove the work lamp from the test stand.
(6)
Reverse the procedures of steps (1) through (5) to install the replacement work lamp.
e.
Removal and Replacement of Connector J3 or J6 (fig 2-4).
(1)
Disconnect main power from the test stand.
(2)
On part number 7458-2, remove the panel retaining hardware from the receptacle panel and lower the
panel. On part number 7458-4, remove the panel retaining hardware from the upper and lower rear panels of the test
stand and remove the upper and lower rear panels.
(3)
Remove the nut, lockwasher, washer, and bolt that attach the cable to the bus bar of the connector that is
to be removed, and detach the cable from the bus bar.
(4)
Remove the two nuts and lockwashers that attach the wires and connector bus bar to the connector that is
to be removed, and detach the bus bar from the connector.
(5)
Using a sharp-bladed knife, remove the heat-shrinkable tubing from the remaining wires attached to the
connector.
(6)
Unsolder the wires from the connector.
(7)
Remove the four nuts, lockwashers, and screws that attach the connector to the receptacle panel, and
remove the connector.
(8)
Install the replacement connector using four screws, lockwashers and nuts.
(9)
Slide a 3/4-inch long piece of heat shrinkable tubing (1/8 inch ID) over the wires that are to be soldered to
the connector.
(10)
Solder wires to the connector pins. Do not apply heat to the heat-shrinkable tubing.
Change 1 3-2
