Quantcast Section XIV.  CRANKSHAFT AND MAIN BEARINGS MAINTENANCE - TM-9-2815-255-24_200

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ARMY TM 9-2815-255-24 AIR FORCE TO 38G1-95-2 MARINE CORPS TM 2815-24/4 NOTE Cut off protruding edge of gasket only after timing gear cover has been installed and tightened. e. Install balancer shafts, refer to paragraph 3-41.4. f. Install idler gears, refer to paragraph 3-42.3. g. Install oil pump and drive gear, refer to paragraph 3-21.3. h. Install fuel injection pump and drive gear, refer to paragraph 3-27.8. i. Install camshaft, refer to paragraph 3-40.3. j. Install timing gear cover, refer to paragraph 3-39.3. Section XIV.  CRANKSHAFT AND MAIN BEARINGS MAINTENANCE 3-44.  CRANKSHAFT AND MAIN BEARINGS. 3-44.1.  Removal. a. Check crankshaft end play, refer to paragraph 3-44.2. b. Remove oil pan, refer to paragraph 3-20.1. c. Remove oil pump, refer to paragraph 3-19.1. d. Remove rocker arm assembly, pushrods, and cam followers, refer to paragraph 333.1. e. Remove front plate, refer to paragraph 3-43.1. f. Remove flywheel housing, refer to paragraph 3-37.1. NOTE Leave  front  and  rear  main  bearing  caps  installed  until  all  of  connecting  rod  caps  have  been removed.  Push pistons and rods away from crankshaft. g. Remove connecting rod bearing caps, refer to paragraph 3-43.1. h. Check main bearing caps (3 and 4, FIGURE 3-118) for arrows (cast in bearing cap) and numbers stamped on cap and oil pan rail.  Arrow points toward camshaft side of engine.  If there are no numbers, stamp corresponding numbers  on  cap  and  oil  pan  rail.    This  will  assure  correct  placement  location  of  main  bearing  caps  during reassembly. i. Remove capscrews (1) and washers (2) securing main bearing caps (3 and 4); remove main bearing caps. NOTE Visually inspect condition of bearing inserts (5 and 6) as main bearing caps are removed.  Keep caps and inserts together and in correct order. j. Check bearing (5 and 6) clearances as follows: (1) Place a strip of bearing gage (PLASTIGAGEPR1) in the center of the main bearing cap about three fourths of width of bearing. (2) Use oil on bearing gage to prevent smearing. (3) Install cap and tighten capscrews (1) to 85 ft-lbs (115 Nm). (4) Remove cap and compare width of bearing gage with scale provided, to determine clearance.  Maximum permissible clearance is 0.006 inch (0.15 mm). 3-173


 


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