TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-400-34&P 3 Remove three screws (7), sleeve bearing (8), and gasket (9). 4 Remove preformed packing (10) from sleeve bearing (8) and discard preformed packing. 5 Remove pin (11), knob (12), shim(s) (13), and seal (14). 6 Remove four screws (15), four lockwashers (16), two screws (17), two lockwashers (18), screw (19), lockwasher (20), and cover (21). 7 Remove assembly cap (22). 8 Remove seven spacers (23). NOTE Steps 9 and 10 are written and illustrated for disassembly of telescope subassembly. 9 Carefully remove two observation windows (24). 10 Remove special sleeve (25) only if damaged. 11 Remove screw (26) and knob (27). 12 Remove two screws (28), cover assembly (29), and gasket (30). NOTE Step 13 is written and illustrated for the disassembly of cover assembly. 13 Remove packing retainer (31) and preformed packing (32) from cover (33). Discard preformed packing. 2-29