840845 Mercruiser ARM, Actuator

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 1.1 N.m (125 10 lb in)b. Tap (hit) clamp lightly all around.c. Tighten again to ... 14 1.1 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.TL78, UTV78, TV81
(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. Again tighten the nut to ... 3.5 N m (30 lb in)k. Again tighten the nut and additional ... 120 degrees(2) Torque for the bolts that hold the backplate ... 11 1 N m (98 10 lb in)(3) Torque for the clamp bolts ... 14.0 1.5 N m (120 13 lb in) Lightly hit all around clamp with a soft faced hammer and again tighten to ... 14.0 1.5 N m (120 13 lb in)(4) Bore in the bearings ... 15.921 to 15.931 mm (.6268 to .6272 in) Diameter for the surfaces (journals) on the shaft for the bearings ... 15.875 to 15.885 mm (.6250 to .6254 in)(5) Bore in the housing ... 24.961 to 24.973 mm (.9827 to .9832 in) Outside diameter of the bearing ... 24.846 to 24.859 mm (.9782 to .9787 in)(6) Clearance between the ends of the oil seal ring (when installed in its bore) ... 0.20 to 0.38 mm (.008 to .015 in)(7) Endplay for the shaft ... 0.08 to 0.25 mm (.003 to .010 in)(8) Torque for bolts and nuts that hold the turbocharger to the exhaust manifold (put 5P3931 Anti-Seize Compound on the threads) ... 55 5 N m (40 4 lb ft)TL81, TL75
(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. Again tighten the nut to ... 3.5 N m (30 lb in)k. Again tighten the nut and additional ... 120 degrees(2) Torque for the bolts that hold backplate ... 10 1 N m (90 10 lb in)(3) Torque for the clamp bolts ... 14.0 1.5 N m (120 13 lb in) Lightly hit all around clamp with a hammer and again tighten to ... 14.0 1.5 N m (120 13 lb in)(4) Bore in the bearings ... 15.921 to 15.931 mm (.6268 to .6272 in) Diameter of the surface on the shaft for the bearings ... 15.875 to 15.885 mm (.6250 to .6254 in)(5) Bore in the housing ... 24.961 to 24.973 mm (.9827 to .9832 in) Outside diameter of the bearings ... 24.846 to 24.859 mm (.9782 to .9787 in)(6) Clearance between the ends of the oil seal ring (when installed in its bore) ... 0.20 to 0.38 mm (.008 to .015 in)(7) End play for the shaft ... 0.08 to 0.25 mm (.003 to .010 in)(8) Torque for bolts and nuts that hold the turbocharger to the manifold (put 5P3931 Anti-Seize Compound on the threads) ... 55 7 N m (40 5 lb ft)