CAP-SEAL 2A4716 - Caterpillar

(1) Install impeller as follows: a. Get temperature of impeller to ... 350° F(177° C) (for ten minutes)b. Install impeller on shaft.c. Tighten nut to ... 120 lb.in.(138.4 cm.kg)d. Let impeller cool to below ... 150° F(70° C)e. Loosen nut and put lubricant on threads and washer.f. Tighten nut to ... 30 lb.in.(34.6 cm.kg)g. Tighten nut an added ... 120°(2) Torque for bolts holding thrust plate ... 40 5 lb.in.(46.1 5.8 cm.kg)(3) Torque for bolt holding band clamp ... 120 10 lb.in.(138.4 11.5 cm.kg)(4) Torque for bolts holding turbine housing ... 175 15 lb.in.(201.8 17.3 cm.kg)(5) Torque for bolts holding turbocharger to manifold ... 40 4 lb.ft.(5.5 0.55 mkg)(6) End play for shaft (new) ... .006 to .011 in.(0.15 to 0.27 mm)(7) Bore in the bearing ... .6268 to .6272 in.(15.921 to 15.931 mm) Diameter of surface on shaft (journal) for the bearing ... .6250 to .6254 in.(15.875 to 15.885 mm)(8) Bore in housing ... .9827 to .9832 in.(24.961 to 24.973 mm) Outside diameter of the bearing ... .9780 to .9785 in.(24.841 to 24.854 mm)(9) Clearance between ends of oil seal ring (on earlier turbochargers) ... .001 to .006 in.(0.03 to 0.15 mm)(9) Clearance between ends of oil seal ring (on later turbochargers) ... .008 to .015 in.(0.20 to 0.38 mm)