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ARMY TM 9-2805-257-14 AIR  FORCE  TO  38G2-103-2 NAVY NAVFAC P-8-612-14E 4-32. Breather Line (cont). d. Removal.  Dry. (figure 4-25) (1) Loosen  coupling  nut  (1)  at  crankshaft  side  cylinder  head  adapter  fitting  (2). (2) Loosen coupling nut (3) at flywheel side cylinder head adapter fitting (2). (3) Loosen coupling nut (4) at air intake elbow (5) and remove breather line (6). (4) Remove coupling nut (4) and rubber sleeve (7) from breather line (6). (5) Remove two adapter fittings (2) from cylinder heads (8). (6) Remove an intake elbow (5). e. Inspection. WARNING (1) (2) (3) (4) (5) Drycleaning solvent PD-680 used to clean parts is potentially dangerous to personnel and property. Avoid repeated and prolonged skin contact. Do not use near open flame or excessive heat. Flash point of solvent is 100°F-138°F (38°C-60°C). Clean breather line and coupling nut with dry cleaning solvent and dry thoroughly. Ensure there are no obstructions in breather line. Inspect coupling nuts (1), (3) and (4) for signs of stripped threads or other damage, and replace breather line if damaged. Inspect rubber sleeve (7) and replace if torn or damaged. Inspect  adapter  fittings  (2) for signs of stripped threads or other damage, and replace if damaged. f. Installation.  Dry. (figure 4-25) (1) install air intake elbow (5). (2) Install two adapter fittings (2) into cylinder heads (8) and tighten. (3) Install rubber sleeve (7) and coupling nut (4) onto breather line (6). (4) Position breather line (6) on cylinder heads (8) and finger tighten coupling nuts (1) and (3). (5) Position breather line (6) on air intake elbow (5) and finger tighten coupling nut (4). (6) Tighten coupling nuts (1), (3), and (4). 4-56


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