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 |
| Oil seal ring gap |
0,0080 |
0,0150 |
0,2000 |
0,3800 |
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 |
| Piston ring groove diameter |
0,4050 |
0,4100 |
10,2900 |
10,4100 |
| 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 |
0,0005 |
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 |
115,0 |
133,0 |
13,0 |
15,0 |
| 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 110º |
|
|
|
|
