Tolerances |
||||
|---|---|---|---|---|
| Part | Inches | Millimeters | ||
| Min. | Max. | Min. | Max. | |
Back plate |
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| Piston ring bore diameter | 0,5000 | 0,5004 | 12,7000 | 12,7100 |
Bearing housing |
||||
| Piston ring groove diameter | 0,6240 | 0,6260 | 15,8500 | 15,9000 |
| Bearing bore diameter | 0,5465 | 0,5469 | 13,8800 | 13,8900 |
Shaft and wheel |
||||
| Piston ring groove width | 0,0645 | 0,0665 | 1,6380 | 1,6890 |
| Journal diameter | 0,3620 | 0,3622 | 9,1950 | 9,2000 |
Thrusth collar |
||||
| Piston ring groove width | 0,0646 | 0,0665 | 1,6400 | 1,6900 |
Clearances |
||||
| Part | Inches | Millimeters | ||
| Min. | Max. | Min. | Max. | |
Rotor |
||||
| Axial end play | 0,0005 | 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 |
TB28
