TM-9-2350-261-10 Operator Manual M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-10 INSTALL/REMOVE M19 PERISCOPE — Continued 0042 00 5. Turn thumbscrew to the right to secure periscope to periscope quick release. 6. Turn periscope to locate arm adjusting knob. Loosen elevation locking lever and set arm adjusting knob so both ends of elevation arm contact periscope quick release. 7. Loosen azimuth locking knob and rotate periscope to check for proper movement. 0042 00-3