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 6 OF 6) TURN VARIABLE RESISTOR (1) FULLY COUNTERCLOCKWISE. MULTI METER SHOULD READ ZERO OHMS. REPLACE VARIABLE RESISTOR (1) (VOL II, PARA 4-31) INSTALL COVER (2) (VOL II, PARA 4-15). SEND PERISCOPE TO DEPOT . Para 4-3 (Sheet 6 of 6) 4-11 Vol I