BEARING 3989802 - Caterpillar

(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 ... 5.36 0.03 mm (.211 .001 in.)(3) Diameter of shaft (new) ... 14.254 to 14.262 mm (.5612 to .5615 in.) Bore in the bearing (new) ... 14.293 to 14.300 mm (.5627 to .5630 in.)Maximum permissible clearance between bearing and shaft (worn) ... 0.05 mm (.002 in.)(4) Tighten band clamps with procedure that follows: a. Tighten to ... 13.6 1.1 N m (120 10 lb.in.)b. Tap (hit) clamp lightly all around.c. Tighten again to ... 13.6 1.1 N m (120 10 lb.in.)(5) Maximum permissible gap of oil seal ring, measured in bore of housing ... 0.23 mm (.009 in.)(6) Turbocharger impeller installation at room temperature: a. Put 6V1541 Quick Cure Primer on the nut and the shaft threads to clean them, if necessary.b. Put a small amount of 9S3265 Retaining Compound on the nut and shaft threads.
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 torque of ... 30 3 N m (22 2 lb.ft.)
Do not bend or add stress to the shaft when the 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 (.1055 .0005 in.)(9) Torque for four nuts (put 5P3931 Anti-Seize Compound on threads) ... 55 5 N m (40 4 lb.ft.)