1673 DIESEL TRUCK ENGINE Caterpillar


Turbocharger Airesearch T1224

Usage:

(1) Torque-impeller nut, initial, with impeller heated to 350°F. (177°C.) ... 120 lb. in.(138,4 cm.kg)

After impeller is cool, below 150°F. (70°C.), loosen and lubricate nut, then torque impeller nut to 30 lb. in. (35,6 cm.kg) plus additional ... 120°

(2) Torque-bolts (thrust plate retaining) ... 40 ± 5 lb. in.(46,1 ± 5,8 cm.kg)

(3) Torque-band clamp bolt ... 120 ± 10 lb. in.(138,4 ± 11,5 cm.kg)

(4) Torque-bolts (turbine housing retaining) ... 175 ± 15 lb. in.(201,8 ± 17,3 cm.kg)

(5) Torque-bolts (turbocharger-to-manifold ... 40 ± 4 lb. ft.(5,5 ± 0,55 mkg)

(6) End clearance-shaft ... .006-.011 in.(0,15-0,27 mm)

(7) Bore-bearing (I.D.) ... .6268-.6272 in.(15,92-15,93 mm)

Diameter-shaft bearing journal ... .6250-.6254 in.(15,87-15,88 mm)

(8) Bore-housing ... .9827-.9832 in.(24,96-24,97 mm)

Diameter-bearing (O.D.) ... .9780-.9785 in.(24,84-24,85 mm)

(9) Gap-oil seal ring ... .008-.015 in.(0,20-0,38 mm)

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