ABB HT568964 - Table 3 Foot Bolt Dimensions

Operation Manual / 4 Product description / A100-M axial
2
Removal and installation
Page 15 /
113
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HZTL4033_EN
Revision A
July 2016
Compressor-end (CE) foot
Figure 11: Compressor-end foot
Turbine-end (TE) foot
Figure 12: Turbine-end foot
Screw dimensions and number of cup springs
Product
Foot bolt
dimension
[mm]
Strength
class
Dimension CE
[mm]
Dimension TE
[mm]
Number
of cup
springs
a1
b1
c1
a2 / a3
b2
c2 / c3
X
A170-M
M30
10.9
82
ø32x23
68
94 / 124
ø32x11
56 / 45
9
A175-M M36 10.9 95 ø38x31 85 113 / 148 ø38x12 66 / 54 11
Table 3: Foot bolt dimensions
Holes b1/b2 are needed to achieve the required clamping length. An additional drill hole is not
needed at the higher turbine-end foot side (01).