CRANKSHAFT 3S5531 - Caterpillar

Any adjustment to the governor must be made only by a person approved by Caterpillar or by a Caterpillar Dealer.(1) Torque for nut ... 12 4 N m (9 3 lb.ft.)(2) 6N8793 Spring: Length under test force ... 19.05 mm (.750 in.)Test force ... 2.00 0.13 N (.45 .03 lb.)Free length after test ... 41.9 mm (1.65 in.)Outside diameter ... 9.40 mm (.370 in.)(2) 2S7235 Spring: Length under test force ... 9.53 mm (.375 in.)Test force ... 1.7 0.1 N (.39 .03 lb.)Free length after test ... 17.3 mm (.68 in.)Outside diameter ... 10.9 mm (.43 in.)(2) 9L6422 Spring: Length under test force ... 10.92 mm (.430 in.)Test force ... 1.6 0.1 N (.35 .03 lb.)Free length after test ... 28.5 mm (1.12 in.)Outside diameter ... 9.4 mm (.37 in.)
Install Spring Washers As Shown(3) Seat. Install a spring washer, flat washer and spring washer between seat (3) and spring (4) as shown.
Dashpot (6) Diameter of the outer surface of the cylinder (new) ... 38.100 0.013 mm (1.5000 .0005 in.) Bore in the gear (new) ... 38.151 0.013 (1.5020 .0005 in.)(7) Put marks in alignment on pinion-stop and gear before installing dowel.(8) Bore in the bearing (new) ... 22.263 0.038 mm (.8765 .0015 in.) Diameter of the gear at the hub (new) ... 22.187 0.013 mm (.8735 .0005 in.) (9) Distance from the face of the plate to the bearing for the governor drive assembly ... 0.51 0.25 mm (.020 .010 in.)(10) Dowel installation: Angle A must be ... 54 10°Dimension B must be ... 7.9 0.5 mm (.31 .02 in.)(11) Install dowels to get a dimension of ... 5.6 0.5 mm (.22 .02 in.)
Control Shaft Bearings(12) Bore in the governor control shaft bearings (new) ... 15.761 0.038 mm (.6205 .0015 in.) Diameter of the governor control shaft (new) ... 15.720 0.008 mm (.6189 .0003 in.)(13) Distance between the bearings for governor control shaft ... 60.58 0.13 mm (2.385 .005 in.)(14) Distance from the face of the housing to the end of the bearing for the governor control shaft ... 43.38 0.15 mm (1.708 .006 in.)
Shutoff Shaft Bearings(15) Bore in the shutoff shaft bearing (new) ... 12.713 0.013 mm (.5005 .0005 in.) Diameter of the shutoff shaft (new) ... 12.637 0.013 mm (.4975 .0005 in.)(16) Torque for insulator ... 4.5 0.6 N m (40 5 lb.in.)(17) Needle bearing.(18) Distance from center of bolt hole to outside end of needle bearing (17) ... 92.86 0.25 mm (3.656 .010 in.)(19) Distance from end of needle bearing (17) to inside of sleeve bearing ... 98.68 0.25 mm (3.885 .010 in.)Install seals as shown.Maximum end play for shaft ... 1.02 mm (.040 in.)