TB31 Turbocharger's Technical Data
Technical data for Model TB31 by Garrett | ||||
---|---|---|---|---|
Tolerances | ||||
Part | Inches | Millimeters | ||
Min. | Max. | Min. | Max. | |
Compressor wheel | ||||
Bore diameter | 0,2498 | 0,2501 | 6,3450 | 6,3530 |
Back plate | ||||
Piston ring bore diameter | 0,4995 | 0,5005 | 12,6870 | 12,7130 |
Bearing housing | ||||
Piston ring bore diameter | 0,7090 | 0,7110 | 18,0100 | 18,0600 |
Bearing bore diameter | 0,6220 | 0,6223 | 15,7990 | 15,8060 |
Shaft and wheel | ||||
Piston ring groove width | 0,0645 | 0,0685 | 1,6380 | 1,7400 |
Journal diameter | 0,3997 | 0,4000 | 10,1520 | 10,1600 |
Seal hub diameter | 0,6790 | 0,6840 | 17,2500 | 17,3700 |
Piston ring groove diameter | 0,5670 | 0,5720 | 14,4000 | 14,5300 |
Eccentricity of small diameter | 0,0000 | 0,0005 | 0,0000 | 0,0130 |
Thrusth collar | ||||
Thrust bearing groove width | 0,1740 | 0,1748 | 4,4200 | 4,4400 |
Piston ring groove width | 0,6380 | 0,6530 | 1,6210 | 1,6590 |
Diameter (I.D.) | 0,2501 | 0,2505 | 6,3530 | 6,3630 |
Thrust bearing groove diameter | 0,3700 | 0,3800 | 9,4000 | 9,6500 |
Thickness | 0,7220 | 0,7240 | 18,3400 | 18,3900 |
Parallelism between faces | 0,0001 | 0,0030 | ||
Clearances | ||||
Part | Inches | Millimeters | ||
Min. | Max. | Min. | Max. | |
Rotor | ||||
Axial end play | 0,0050 | 0,0040 | 0,0250 | 0,1020 |
Radial bearing clearance | 0,0030 | 0,0065 | 0,0760 | 0,1650 |
Torques | ||||
Part | Pounds per Inch | Newtons per meter | ||
Min. | Max. | Min. | Max. | |
Bolts | ||||
compressor housing | 145,0 | 165,0 | 16,4 | 18,6 |
turbine housing | 164,0 | 181,0 | 18,5 | 20,5 |
backplate | 75,0 | 90,0 | 8,5 | 10,2 |
Shaft nut | ||||
1st - Tighten to | 18,0 | 20,0 | 2,0 | 2,3 |
2nd - Plus additional turn of 125º | ||||
Nuts | ||||
actuator cover | 80,0 | 100,0 | 9,0 | 11,3 |