3208 INDUSTRIAL ENGINE – Turbocharger (AiResearch TM51)

(1) End play for shaft (new) … .0020 to .0032 in.(0.501 to 0.081 mm)

(2) Tighten bolts that hold back plate to bearing housing to … 84 ± 9 lb. in.(9.5 ± 1 N·m)

(3) Tighten screws that hold thrust bearing to … 22 ± 2 lb. in.(2.5 ± 0.2 N·m)

(4) Diameter of surface on shaft (journal) for the bearing (new) … .5115 to .5118 in.(12.992 to 13.000 mm)

Bore in the bearing (new) … .5129 to .5133 in.(13.028 to 13.038 mm)

(5) Bore in housing (new) … .7943 to .7948 in.(20.175 to 20.188 mm)

Outside diameter of the bearing (new) … .7901 to .7906 in.(20.069 to 20.081 mm)

(6) Turbine and oil seal ring, end gap when installed in a bore of .823 in. (20.90 mm) … .004 to .015 in.(0.10 to 0.38 mm)

(7) Put 2P2506 Thread Lubricant on the shaft threads and on the nut face and tighten nut to … 35 lb. in.(4 N·m)

Tighten nut more … 120°


NOTICE

Do not bend or add stress to the shaft when nut is tightened.


(8) Impeller end oil seal ring, end gap when installed in a bore of .6875 in. (17.463 mm) … .003 to .015 in.(0.08 to 0.38 mm)

(9) Thickness of thrust bearing … .1716 to .1720 in.(4.359 to 4.369 mm)

(10) Put 5P3931 Anti-Seize Compound on threads and tighten bolt holding band clamp to … 120 ± 12 lb. in.(14 ± 1 N·m)