TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-400-34&P MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION EYEPIECE ASSEMBLY 3. EYEPIECE ASSEMBLY (2) HAS MOISTURE, FOREIGN MATTER, OR IS CHIPPED. Observe visually. a. Purge. Refer to TM 750-116. b. Disassemble, replace defective parts, clean, and reassemble. Refer to page 3-12. RETICLE CELL ASSEMBLY 4. RETICLE CELL ASSEMBLY (3) HAS MOISTURE OR FOREIGN MATTER. Observe visually. a. Purge. Refer to TM 750-116. b. Disassemble, clean, and reassemble. Refer to page 3-15. 5. RETICLE CELL ASSEMBLY (3) DOES NOT ILLUMINATE. Step 1. Check that reticle cell assembly is positioned correctly. Rotate until slot in cell is alined opposite window. Step 2. Check that reticle is positioned correctly in cell. a. Disassemble and clean. Refer to page 3-15. b. Reassemble and correctly position reticle in cell. Refer to page 3-7. 3-5