Quantcast c.  Inspection (Contd) - TM-9-2815-225-34P_245

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TM 9-2815-225-34&P 3-41.  ROCKER LEVERS AND HOUSING REPAIR (Contd) LOCATION/ITEM ACTION REMARKS c.  Inspection (Contd) CAUTION   To avoid damaging engine, do the following:   On injector and exhaust rocker levers, install bushing so oil holes to crosshead nose or injector link and adjusting screw are open for oil flow.   On intake valve rocker levers with oil drilling to crosshead nose end, install bushing so nose hole is closed and slot hole is in line with adjusting screw oil hole.   Do not cut a bore in steel bushings. (2) Using rocker lever block and mandrel set (25) and arbor press, press new bushings (6) or (9) into rocker levers (5), (8), (11), (13), or (15). g.  Check rocker lever-to- Replace intake or exhaust rocker crosshead contact surface on lever assembly (2), (12), (14), or intake or exhaust rocker levers (16) if damaged or worn. (5), (11), (13), or (15). NOTE Repeat step 13 for each adjusting screw. 13. Adjusting screws (1) or (4) a.  Using a 0.250 in.  (6.350 mm) Discard adjusting screw if ball end radius gauge, check ball end. is out-of-round or flat at bottom. b.  Check thread condition. Check carefully for thread distortion at assembly position of adjusting screw nut (3).  Discard adjusting screws (1) or (4) if threads are damaged, or if it does not move freely in rocker levers (5), (8), (11), (13), or (15). 14. Rocker lever shaft (20) a.  Inspect for scoring or excessive Discard if damaged, worn, or if it wear. has ridges due to action of rocker levers (5), (8), (11), (13), or (15). b.  Using suitable micrometer, Discard if outside diameter is not measure outside diameter within limits shown below: of shaft (20). New Minimum ............................................................ 1.1230 in.  (28.524 mm) New Maximum ........................................................... 1.1240 in.  (28.550 mm) Wear Limit  ................................................................ 1.1220 in.  (28.499 mm) 3-214


 


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