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TM 5-4210-220-12
4-18. PUMP, PIPING, AND VALVES - Continued
4-18.16 Roof Turret - Continued
d. Head Repair - Continued
(6) Remove cap (13) and O-ring (12) from the side of the body (16).
(7) Carefully pull elevation bearing (15) from head (10). Use extreme care when removing the elevation
bearing so as not to damage the four O-rings (14).
(8) Separate the head (10) from the body (16).
(9) Remove the two setscrews (18) and washers (19) that retain the gear segment (17) to the head (10).
(10) Clean all parts using a brass bristle brush, then wipe off using a clean, dry, lint-free cloth.
4-270
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