Quantcast Figure 6-11.  Recess of Needle Bearing

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Figure 6-10.  Removing the Camshaft
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TM-10-4320-311-14 Pumping Assembly Flammable Liquid Bulk Transfer 60 GPM Diesel-Engine Driven Model M2D68 Manual
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Figure 6-13.  Cam and Tappet
TM 10-4320-311-14 INSPECTION/REPLACEMENT: a. Clean camshaft with diesel fuel. b. Inspect all components for damage or excessive wear.  Replace any components severely damaged or worn. Figure 6-11.  Recess of Needle Bearing c. Refer  to  Figure  6-11.    Check  the  clearance  at  the  thrust  of  the  camshaft  (cylinder  block  side).    The  camshaft bearing has been press-fitted into the cylinder block.  Maintain the recess between the press-fitted bearing face and the thrust surface of cylinder block at 0.059-0.079 inch (1.5-2.0 mm). Figure 6-12.  Camshaft Bearings d. Refer  to  Figure  6-12.    Check  the  OD  of  the  camshaft  on  the  needle  bearing/cylinder  block  side  (1)  OD  of camshaft must be at least 0.587 inches (14.92 mm).  Replace camshaft and both bearings (2) if OD is under the wear limit. e. Check the OD of the camshaft on the ball bearing/crankcase cover side.  OD of camshaft must be at least 0.981 Inch (24 90 mm).  Replace camshaft if OD is under the wear limit. f. Refer  to  Figure  6-13.    Check  the  condition  of  the  cam  lobes  (1).    The  tappet  is  offset  with  regard  to  the  cam center and rotated during operation to prevent excess wear.  Replace the camshaft and tappets if badly worn. g. Inspect the bearings for wear; replace if necessary. 6-15

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