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ARMY TM 9-2815-256-24 AIR FORCE TO 38G1-96-2 MARINE CORPS TM 2815-24/5 c. Measure camshaft thrust plate clearance as follows: NOTE Thrust plate clearance determines camshaft end play. (1)   Check thrust plate clearance using a feeler gage, refer to FIGURE 3-130. (2)   New part clearance is 0.003 to 0.009 inch (0.08 to 0.23 mm).  Maximum allowable clearance is 0.015 inch (0.38 mm).  Replace parts as necessary. FIGURE 3-130.  Measuring Thrust Plate Clearance d. Measure camshaft journals as follows: (1)   Use a micrometer to take measurements, refer to FIGURE 3-131. (2)   New camshaft journal diameter is 2.200 to 2.201 inches (55.87 to 55.90 mm).  Maximum wear tolerance is 0.001 inch (0.025 mm). (3)   If a camshaft journal diameter is less than 2.199 inches (55.85 mm), install a new camshaft. (4)   Measure  camshaft  bearing  bore  diameter  in  cylinder  block;  2.204  to  2.205  inches  (55.98  to  56.01  mm). Maximum clearance between bore and camshaft journal; 0.007 inch (0.18 mm). FIGURE 3-131.  Measuring Camshaft Journals e. Measure camshaft lobe height as follows: (1)   Measure  each  camshaft  lobe  at  highest  point  and  at  narrowest  point,  refer  to  FIGURE  3-132.    Subtract narrowest dimension from highest dimension to find camshaft lobe height.  If height is not correct on any lobe, install a new camshaft. 3-171


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