TM 9-2320-365-20-5
Change 2
20-187
(9)
Unlatch screw (26) on door (27).
(10) Open door (27) on heater control unit (28).
(11) Unlatch two screws (29) on heater control unit (28).
(12) Remove heater control unit (28) from heater (30).
(13) Disconnect connector P4 (31) from connector J4
(32).
(14) Remove two twist locks (33) from heater (30).
NOTE
Tag connectors and connection points prior
to disconnecting.