TM-9-1240-216-34 Maintenance Manual M19 and M24 Persicope Download

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TM 9-1240-216-34 Section 9. IMAGE CONVERTER ELECTRON TUBE 4-28. IMAGE CONVERTER ELECTRON TUBE MAINTENANCE PROCEDURES INDEX Task Reference (para) Removal 4-29 Installation 4-30 4-29. IMAGE CONVERTER ELECTRON TUBE REMOVAL TOOLS: 3/16" flat tip screwdriver 1/16“ socket head screw key (Allen wrench or equivalent ) EQUIPMENT CONDITION: Body assembly on work bench; power disconnected PRELIMINARY PROCEDURES: Remove cover (para 4-14) Remove cable (para 4-20) (M19 and M24 old configurations only) NOTE Frame 1 is for M19 and M24 old configurations. Frame 2 is for M19 and M24 new configurations. NOTE Follow this procedure for each tube. FRAME 1 Step Procedure 1. 2. 3. 4. Using screwdriver, remove screw (1) and lockwasher (2) holding two red wires (3) to body assembly (4). Using screwdriver, remove screw (5) and lockwasher (6) which holds two black wires (7) to terminal (8) of board assembly (9). Using screwdriver, remove three screws (10) and three lockwashers (11) which hold tube bracket (12) to body assembly (4). Take hold of tube bracket (12), lift it from pin (13) and remove tube bracket (12) with electron tube (14) from body assembly (4). Para 4-28 4-50 Vol II