TO7 Turbocharger's Technical Data
Technical data for Model TO7 by Garrett | ||||
---|---|---|---|---|
Tolerances | ||||
Part | Inches | Millimeters | ||
Min. | Max. | Min. | Max. | |
Compressor wheel | ||||
Bore diameter | 0,3740 | 0,3743 | 9,5000 | 9,5070 |
Back plate | ||||
Piston ring bore diameter | 0,6875 | 0,9885 | 17,4630 | 17,4880 |
Bearing housing | ||||
Piston ring bore diameter | 0,6990 | 0,7010 | 17,1500 | 17,8100 |
Bearing bore diameter | 0,6220 | 0,6223 | 15,7990 | 15,8060 |
Oil seal ring gap | 0,0080 | 0,0150 | 0,2000 | 0,3800 |
Shaft and wheel | ||||
Piston ring groove width | 0,0645 | 0,0665 | 1,6380 | 1,6890 |
Journal diameter | 0,4997 | 0,5000 | 12,6920 | 12,7000 |
Seal hud diameter | 0,6810 | 0,6830 | 17,3000 | 17,3500 |
Eccentricity of small diameter | 0,0000 | 0,0005 | 0,0000 | 0,0130 |
Thrusth spacer | ||||
Piston ring groove width | 0,0695 | 0,0715 | 1,7650 | 1,8160 |
Diameter (I.D.) | 0,3750 | 0,3754 | 9,5250 | 9,5350 |
Piston ring bore diameter | 0,6040 | 0,6080 | 15,3400 | 15,4400 |
Diameter (O.D.) | 0,6790 | 0,6795 | 17,2470 | 17,2590 |
Thickness | 0,4860 | 0,4870 | 12,3400 | 12,3700 |
Parallelism between faces | 0,0003 | 0,0080 | ||
Thrusth collar | ||||
Diameter (I.D.) | 0,3750 | 0,3754 | 9,5250 | 9,5350 |
Thickness | 0,2990 | 0,3000 | 7,5900 | 7,6200 |
Parallelism between faces | 0,0003 | 0,0080 | ||
Clearances | ||||
Part | Inches | Millimeters | ||
Min. | Max. | Min. | Max. | |
Rotor | ||||
Axial end play | 0,0020 | 0,0080 | 0,0500 | 0,2000 |
Radial bearing clearance | 0,0050 | 0,0080 | 0,1300 | 0,2000 |
Torques | ||||
Part | Pounds per Inch | Newtons per meter | ||
Min. | Max. | Min. | Max. | |
Bolts | ||||
compressor housing | 100,0 | 110,0 | 11,3 | 12,4 |
turbine housing | 100,0 | 110,0 | 11,3 | 12,4 |
insert plate | 35,0 | 45,0 | 4,0 | 5,1 |
Shaft nut | ||||
Tighten to | 96,0 | 108,0 | 10,8 | 12,2 |