18051 Mercruiser GASKET (Lower)

Do not let the retaining compound get into the compressor wheel bore or on the shaft, because it can make removal of the compressor wheel difficult during future turbocharger disassembly.
C. Put a small amount of lubricant, such as Lubriplate, on the nut seat area on the compressor. Do not put lubricant on the threads.D. Tighten the compressor wheel retainer nut to ... 30 3 N m (264 24 lb in)
Do not bend or add stress to the shaft when nut is tightened.
(7) Bore in housing (new) ... 22.255 to 22.268 mm (.8762 to .8767 in.) Outside diameter of the bearing (new) ... 22.144 to 22.154 mm (.8718 to .8722 in.)Maximum permissible clearance between bearing and bore in housing (worn) ... 0.15 mm (.006 in.)(8) Thickness of each thrust ring ... 2.553 0.013 mm (.1005 .0005 in.)(9) Put 5P3931 Anti-Seize Compound on threads and tighten bolts that hold turbocharger to manifold to ... 55 5 N m (40 4 lb ft)Schwitzer (S4A)
(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) Tighten both band clamps 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 overtighten the clamps.
(4) 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.)(5) Maximum permissible gap of oil seal ring, measured in bore of housing ... 0.25 mm (.010 in.)(6) Install the compressor wheel (at room temperature) as follows: a. See Compressor Wheel Clearance for the correct shim thickness to use.b. Put compressor wheel on the shaft.c. Put a small amount of clean engine oil on the threads.d. Tighten the nut to 14 to 17 N m (125 to 150 lb in).
Do not bend or add stress to the shaft when nut is loosened or tightened.
e. Remove nut from shaft and apply 6V1541 Quick Cure Primer on the threads of the shaft and