ELBOW 7S7685 - Caterpillar

S4DS
(1) End play for shaft (new) ... 0.114 0.038 mm (.0045 .0015 in) Maximum permissible end play (worn) ... 0.20 mm (.008 in)(2) Thickness of thrust bearing (where thrust rings contact bearing) ... 5.36 0.03 mm (.211 .001 in)(3) Diameter of shaft (new) ... 15.997 to 16.005 mm (.6298 to .6301 in) Bore in the bearing (new) ... 16.035 to 16.043 mm (.6313 to .6316 in)Maximum permissible clearance between bearing and shaft (worn) ... 0.05 mm (.002 in)(4) Maximum permissible gap of oil seal ring, measured in bore of housing ... 0.25 mm (.010 in)(5) Turbocharger impeller installation: a. Put impeller on shaft.b. Put a small amount of clean oil on the threads and impeller face area that contacts the nut.c. Install and tighten the nut to ... 15.5 1.5 N m (137 13 lb in)
Do not bend or add stress to the shaft when the nut is loosened or tightened.
d. Remove the nut from the shaft.e. Use 6V1541 Quick Cure Primer on the threads of the shaft and nut.f. Put 9S3265 Retaining Compound on the threads of the shaft and nut.g. Install and tighten the nut to ... 4 2 N m (35 18 lb in)h. Tighten the nut more ... 90 5 degrees(6) Thickness of each thrust ring ... 2.553 0.013 mm (.1005 .0005 in)(7) Bore in housing (new) ... 24.994 to 25.006 mm (.9840 to .9845 in) Outside diameter of the bearing (new) ... 24.882 to 24.892 mm (.9796 to .9800 in)Maximum permissible clearance between bearing and bore in housing (worn) ... 0.15 mm (.006 in)Tighten both band clamps (that hold the compressor and turbine housings to the cartridge group) with procedure that follows: a. Tighten to ... 14 1 N m (125 10 lb in)b. Tap (hit) clamp lightly all around.c. Tighten again to ... 14 N m (125 10 lb in)
Do not over tighten the clamps.
Torque for four nuts (put 5P3931 Anti-Seize Compound on threads) and bolts that hold turbocharger to exhaust manifold ... 55 5 N m (40 4 lb ft) Put clean engine oil in the oil inlet of the turbocharger after assembly or before installation to provide start up lubrication and/or storage protection.UTV75
(1) Turbocharger impeller installation: a. Put impeller on shaft.b. Put a small amount of clean engine oil on the threads and impeller face that will be under the nut.c. Tighten the nut to ... 17 N m (13 lb ft)
Do not bend or add stress the shaft when the nut is loosened or tightened.
d. Loosen the nut on the shaft.e. Tighten nut to ... 3.5 N m (30 lb in)f. Tighten the nut an additional ... 120 degreesg. Remove the nut from the shaft.h. Use 6V1541 Quick Cure Primer on the threads of the shaft and nut.i. Put 9S3265 Retaining Compound on the threads of the shaft and nut.j.