TM 9-4120-398-14
5-13. THERMOSTATIC EXPANSION VALVE (cont)
(2) Check thermal bulb to see that it is securely clamped to the suction line.
(4) Replace a faulty expansion valve.
b. Removal.
(2) Unwrap insulation tubing (1) from suction line (2) so that sensing bulb (3) is exposed. Note location and
position of bulb for reinstallation.
(4) Remove screw (4), lockwasher (5), two washers (6), nut (7), and clamp (8).
(5) Remove thermostatic expansion valve.