GE MS6001B, Maintenance Instructions Manual, Page: 31 / 370

Inspection and Maintenance Standard Practices
SP–5
Table 2-1
Torque Values for Bolts and Studs
Bolt, Nut, and Stud Material Specified on GE Drawings
is Identified as Follows:
B50A125E
CR
B5F5B3 C1A5
L
GR8
SAE Gr. 8
NOM DIA
& THDS.
IN - LB FT - LB IN - LB FT - LB
#8–32 13–15 — 12–13 —
#10–32 17–19 — 15–17 —
0.250–20 60–72 — 48–60 —
0.375–10 204–228 — 164–186 —
0.500–13 492–552 — 392–447 —
0.625–11 815–912 — 720–816 —
0.750–11 1761–1980 147–165 1550–1775 129–147
0.875–9 — 200–222 — 170–200
1.00–8 — 348–395 — 300–348
1.25–8 — 648–732 — 564–648
1.50–8 — 1175–1320 — 1030–1175
OVER
1.50
ELONGATION PER INCH
OF EFFECTIVE LENGTH
0.0013–0.0015
SEE ELONGATION
VALUES ON TABLE 2-2
Figure 2-1. Typical Flange Joint Makeup
Edge of Flange
Towards C of Machine
L
Critical Area
Outboard
Edge