TM 5-4220-227-14
6-17. High Temperature Control Unit (Cont).
b.
Repair. (figure 6-33)
(1) Remove high temperature control unit (para. a. above).
(2) Remove packing nut assembly (1) from bulb well (2).
(3) Loosen two captive screws (3) and remove cover (4).
(4) Remove screw (5) and clamp (6) and remove bulb well (2) from control unit (7).
(5) Clean all components using nonionic detergent cleaner and rinse with clean distilled water.
(6) Inspect bulb well (2) and replace if cracked, nicks or otherwise damaged.
(7) Inspect packing nut assembly (1) and replace if threads are stripped, cracked or otherwise damaged.
(8) Install bulb well (2) and secure with clamp (6) and screws (5).
(9) Install cover (4) and tighten two captive screws (3).
(10) Install packing nut assembly (1) on bulb well (2).
(11) Install high temperature control unit (para. a. above).
6-70
