Quantcast Inspection -- Continued - TM-9-2815-247-34_498

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TM 9--2815--247--34 0072 00--2 VALVES AND ASSOCIATED PARTS REPAIR -- CONTINUED 0072 00 Inspection -- Continued NOTE Do not interpret termination of chrome plating on stem as cracked. 3.   Measure outside diameters of exhaust (1) and intake (2) valve stems. Replace valves that do not meet the follow- ing limits. REF NO. POINT OF MEASUREMENT SIZES AND FITS OF NEW PARTS inches (mm) WEAR LIMITS 1 Outside diameter of exhaust valve stem 0.5570 (14.1478) 0.5580 (14.1732) 0.5565 (14.1351) 2 Outside diameter of intake valve stem 0.4975 (12.6365) 0.4980 (12.6492) 0.4970 (12.6238) Figure 9 1 2 4.   Lightly blue face of insert (3 and 4) with Prussian blue and place valve (1 and 2) into position on valve seat insert. 5.   Rotate valves (1 and 2) one--half turn on insert and check for Prussian blue contact. Valve must show contact all around (360°), as indicated by Prussian blue transfer, to qualify as a serviceable valve. Figure 9 INTAKE EXHAUST 1 3 2 4


 


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