TM 9-4120-399-14
(i) Replace temperature control thermostat if it fails any of the above tests.
(2) Mode Select Switch.
(a) Using multimeter and switch positions shown in Figure 4-30, check continuity at
contacts indicated. With switch position closed, continuity should be indicated. With switch
position open, no continuity should be indicated. Check between each set of contacts and at
each switch position.
(b) Replace mode select switch if it fails any of these tests.
d. Assembly.
(1) Attach J8 connector (1) to control module (2) and install four lock nuts (32) and
four screws (31).
(2) Install jamb nut (30), flat washer (29), flat washer (28), nut (27), and ground screw
(26).