TM-9-1240-216-34 Maintenance Manual M19 and M24 Persicope Download
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TM 9-1240-216-34 4-3. POOR FOCUS (ONE OR BOTH EYEPIECES) (SHEET 5 OF 6) USING SCREWDRIVER, TURN VARIABLE RESISTOR (1) FULLY CLOCKWISE. MULTI METER SHOULD READ ZERO OHMS. PLACE MULTIMETER PROBE WITH RED LEAD ON TERMINAL WITH RED WIRE (2). MULTIMETER SHOULD READ INFINITY (00) OHMS . REPLACE VARIABLE RESISTOR (VOL II, PARA 4-31) READS INFINITY OHMS REPLACE VARIABLE RESISTOR (VOL II, PARA 4-31) Para 4-3 (Sheet 5 of 6) 4-10 Vol I