Quantcast Inspection -- Continued - TM-9-2815-247-34_499

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TM 9--2815--247--34 0072 00--3 VALVES AND ASSOCIATED PARTS REPAIR -- CONTINUED 0072 00 Inspection -- Continued NOTE Valves may be made serviceable by grinding. 6.   Inspect inner spring (5), intermediate spring (6), and outer spring (7) for wear, cracks, set, or other evidence of failure. Replace springs when worn, cracked, or otherwise damaged. 7.   Measure springs (5, 6, and 7) using a valve spring tester. Replace springs that do not meet the following limits. 8.   Inspect lock retainer (11), seat (12), and seat (9) for wear and cracks. Replace if worn or cracked. 9.   Check rotor (10) by rotating inner section and inspect for wear or cracks. Replace rotor if inner section does not rotate freely or is worn or cracked. 10. Inspect spring retainer locks (8) for wear or cracks. Worn locks will have ridges on top face. Replace locks that are worn or cracked. REF. NO. POINT OF MEASUREMENT SIZES AND FITS OF NEW PARTS pounds (Kg) WEAR LIMITS 5 INNER VALVE COMPRESSION SPRING (SMALL) Scale reading at 1.3--inch (33.020) length Scale reading at 2.07--inch (52.578) length Maximum solid height 43.9 (19.9306) 26.2 (11.8948) 1.28 inch (32.512 mm) +4.39 (1.9930) +1.31 (0.5947) none 6 INTERMEDIATE VALVE COMPRESSION SPRING (MEDIUM) Scale reading at 1.56--inch (39.624) length Scale reading at 2.26--inch (57.404) length Maximum solid height 1.4 (0.6356) 51.7 (23.4718) 1.34 inch (34.036 mm) +8.14 (3.6995) +2.60 (1.1804) none 7 OUTER VALVE COMPRESSION SPRING (LARGE) Scale reading at 1.56--inch (39.624) length Scale reading at 2.26--inch (57.404) length Maximum solid height 134.2 (60.9268) 85.4 (38.7716) 1.47 inch (37.338 mm) 13.42 (6.0926) +4.27 (1.9385) none Figure 9 8 11 5 6 7 12 7 6 5 9 8 10


 


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