COVER 2525133 - Caterpillar

(1) Nut for impeller (See Turbocharger Impeller Installation)
Do not bend or add stress to the shaft when the nut is loosened or tightened.
(2) Torque for the bolts that hold backplate ... 4.5 0.6 N m (40 5 lb in)(3) Torque for the clamp bolts ... 14.0 1 N m (10 1 lb ft)(4) Torque for bolts of turbine housing (put 5P3931 Anti-Seize Compound on threads of bolts) ... 20 1 N m (15 1 lb ft)(5) Torque for four nuts (put 5P3931 Anti-Seize Compound on threads of threads) ... 55 5 N m (40 4 lb ft)(6) End play for shaft: Minimum permissible (new) ... 0.15 mm (.006 in)Maximum permissible (worn) ... 0.28 mm (.011 in)(7) Bore in the bearing (new) ... 15.921 to 15.931 mm (.6268 to .6272 in) Diameter of shaft (new) ... 15.875 to 15.885 (.6250 to .6254 in)(8) Bore in housing (new) ... 24.961 to 24.973 mm (.9827 to .9832 in) Outside diameter of the bearing (new) ... 24.841 to 24.854 mm (.9780 to .9785 in)(9) Clearance between ends of oil seal ring ... 0.20 to .038 mm (.008 to .015 in)