TM-9-1240-216-34 Maintenance Manual M19 and M24 Persicope Download
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TM 9-1240-214-34 4-5. NO IMAGE OR DIM IMAGE OR POOR FOCUS IN EITHER EYEPIECE (SHEET 2 OF 10) ON BAD SIDE, REMOVE ELECTRON TUBE (1) (VOL II, PARA 4-29) . PUT CENTER LEG OF CABLE ASSEMBLY (2) IN RECEPTACLE (3). REMOVE RECEPTACLE CAP (4). USING MULTIMETER, CHECK RESISTANCE BETWEEN CONTACT RING (5) AND CENTER CONTACT (6) OF RECEPTACLE (3) (JPG). Vol I Para 4-5 (Sheet 2 of 10) 4-17