TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-400-34&P 5-10. MAINTENANCE OF COVER ASSEMBLY This task covers: a. Disassembly c. Repair b. Cleaning d. Reassembly INITIAL SETUP: Tools and Special Tools Tool kit, electronic: system maintenance (SC 5180-95-CL-B29) Tubular spanner wrench, 11/1 6 and 45/64 (7597638) Materials/Parts Felt strip (2) (8261867) Lockwasher (4) (MS35333-69) Lockwasher (2) (MS35333-70) Sealant adhesive (item 5, appx C) Sealing compound (item 10, appx C) Solder (item 12, appx C) Soldering flux (item 6, appx C) References TM 9-254 TM 750-116 Equipment Conditions 5-10 Cover assembly removed from M137 telescope mount assembly General Safety Instructions Use adhesives, cleaning solvents, and sealing compounds in well-ventilated area away from open flame. Adhesives, cleaning solvents, and sealing compounds are harmful to skin and clothing, can burn easily, and may give off harmful vapor. DISASSEMBLY 1 Remove two screws (1) and protective dust cap (2) from cover (3). 2 Remove four screws (4), four lockwashers (5), and identification plates (6 and 7) from cover (3). 3 Pull wire with lamp base through to the front of the electronic component (8). 4 Using tubular spanner wrench, unscrew ring (9) and remove electronic component (8) from cover (3). 5 Unsolder electrical lead (10) from electrical contact (11), and remove electrical lead (10) and lens cap (12) from cover (3). 5-19