3406 INDUSTRIAL & MARINE ENGINES Caterpillar


Turbocharger (Schwitzer F552)

Usage:

(1) End play for shaft (new) ... .0045 ± .0015 in.(0.114 ± 0.038 mm)

Maximum permissible end play (worn) ... .008 in.(0.20 mm)

(2) Thickness of thrust bearing ... .211 ± .001 in.(5.36 ± 0.02 mm)

(3) Diameter of shaft (new) ... .5612 to .5615 in.(14.254 to 14.262 mm)

Bore in the bearing (new) ... .5627 to .5630 in.(14.293 to 14.300 mm)

Maximum permissible clearance between bearing and shaft (worn) ... .003 in.(0.08 mm)

(4) Tighten band clamps with procedure that follows:

a. Tighten to ... 120 ± 10 lb. in.(13.6 ± 1.1 N·m)

b. Tap (hit) clamp lightly all around.

c. Tighten again to ... 120 ± 10 lb. in.(13.6 ± 1.1 N·m)

(5) Maximum permissible gap of oil seal ring, measured in bore of housing ... .009 in.(0.23 mm)

(6) Torque for nut ... 22 ± 2 lb. ft.(28 ± 3 N·m)

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

(7) Bore in housing (new) ... .8762 to .8767 in.(22.255 to 22.268 mm)

Outside diameter of the bearing (new) ... .8718 to .8722 in.(22.144 to 22.154 mm)

Maximum permissible clearance between bearing and bore in housing (worn) ... .006 in.(0.15 mm)

(8) Thickness of each thrust ring ... .1005 ± .0005 in.(2.553 ± 0.013 mm)

(9) Torque for four nuts (put 5P3931 Anti-Seize Compound on threads) ... 40 ± 4 lb. ft.(55 ± 5 N·m)

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