GENERATOR AR 3245106 - Caterpillar

src="//c1.a2109.com/cat2/se/senr/senr2175a00028.png"> (1) End play for the crankshaft ... .008 to .021 in.(0.20 to 0.53 mm) Maximum permissible end play for the crankshaft ... .035 in.(0.89 mm)(2) Torque for counterweight bolts ... 160 10 lb. ft.(219 14 N m) (3) Width of ring groove in thrower ... .2550 to .2566 in.(6.480 to 6.518 mm)Minimum clearance between ring seal and groove ... .007 in.(0.18 mm)Clearance between ends of ring seal (end gap) ... .030 to .050 in.(0.76 to 1.27 mm)Ring seal groove "runout" (axial eccentricity) of ring groove face of thrower ... .006 in.(0.15 mm) Heat the thrower to a maximum of 450°F (232°C) before installation on crankshaft. Install seal ring with the word "out" away from crankshaft and the end gap UP.(4) Torque for bolt ... 35 5 lb. ft.(45 7 N m)(5) Crankshaft bend (D399 and D398B Engines) ... .001 in.(0.03 mm)Measure between faces of connecting rod throws of the crankshaft next to the center main bearings within .250 in. (6.35 mm) of counterweight.(6) Depth to drive 3N3234 Ring into flywheel housing or front accessory drive housing.Front ... .344 in.(8.71 mm)Rear ... .177 in.(4.49 mm) Put 9S3265 Retaining Compound on outside of ring before installation. Install ring with holes at bottom and chamfer toward inside of housing.(7) Install crankshaft in cylinder block as follows: D379B-Install end marked "FRT" to the front for standard rotation and to the rear for reverse rotation.D398B & D399-Install so direction of rotation marks on the end of the crankshaft show correct rotation at the front of the engine.