Service Standards And Tightening Torque; Service Standards - Komatsu 82E Series Shop Manual

8.2

Service Standards and Tightening Torque

8.2.1

Service standards

RHB31/RHB51 type
Turbine shaft journal outside diameter (A)
Turbine shaft seal ring groove width (E)
Turbine
Compressor side seal ring groove width (G
shaft
Compressor side seal ring groove width (G
Turbine shaft run-out
Journal bearing inside diameter (C)
Bearing Journal bearing outside diameter (D)
Bearing housing inside diameter (B)
Thrust bearing width (J)
Thrust
bearing
Thrust bushing groove dimension (K)
Turbine side (bearing housing)(F)
Seal
Compressor side (seal ring)(H
ring fix-
ing area
Compressor side (seal ring)(H
Rotor play in axial direction
Rotor play in radial direction
82E-5 – 98E-5 SERIES
Standard dimension
RHB31
6.257 – 6.263
1.038 – 1.062
)
1.02 – 1.03
1
)
0.82 – 0.83
2
0.002
6.275 – 6.285
9.940 – 9.946
9.995 – 10.005
3.59 – 3.61
3.632 – 3.642
11.00 – 11.018
)
9.987 – 10.025
1
)
7.968 – 8.00
2
0.022 – 0.053
0.061 – 0.093
8. TURBOCHARGER
Wear limit
RHB51 RHB31
7.99 – 8.00 6.25
1.25 – 1.28 1.07
1.22 – 1.23 1.04
1.02 – 1.03 0.84
0.002 0.005
8.01 – 8.03 6.29
12.32 – 12.33 9.93
12.40 – 12.41 10.01
3.99 – 4.01 3.58
4.04 – 4.05 3.65
15.00 – 15.02 11.03
12.40 – 12.42 10.04
10.00 – 10.02 8.01
0.03 – 0.06 0.07
0.08 – 0.13 0.12
Unit: mm
RHB51
7.98
1.29
1.31
1.11
0.011
8.04
12.31
12.42
3.98
4.07
15.05
12.45
10.05
0.09
0.17
8-5