Ms-6001B Dln-1 Borescope Access Holes Location - GE MS-6001B Maintenance Instructions Manual

Inspection and Maintenance — GEK 107048
Location
Seventeenth-stage
compressor
Combustion liners
First-stage nozzle
trailing edge &
first-stage bucket
leading edge
Second-stage nozzle
leading edge &
first-stage bucket
trailing edge
Second-stage nozzle
trailing edge &
second-stage bucket
leading edge
Third-stage nozzle
leading edge &
second-stage bucket
trailing edge
Third-stage nozzle
trailing edge &
third-stage bucket
leading edge
Table 4-2

MS-6001B DLN-1 Borescope Access Holes Location

Casing Hole
Thread Size
1.00-8UNC-2B
3/4 in. NPT
1.50-8UN-2B
1.50-8UN-2B
Eddy Current &
Borescope
1.00-8UNC-2B
1.50-8UN-2B
Nozzle Deflection Only
1.50-8UN-2B
Eddy Current &
Borescope
0.75-10UNC-2B
Forward
Compressor
Discharge Casing
Scheduled Turbine Maintenance
*Dimension From Forward
Face of Compressor
Discharge Case Flange
18.7 in. (Forward)
Combustion outer
casing radial outside
26.4 in. (Aft)
29.3 in. (Aft)
36.2 in. (Aft)
36.4 in. (Aft)
39.1 in. (Aft)
46.3 in. (Aft)
Aft
Turbine Shell
Number
of Holes
1
10
8
1
3
1
1
4
STM-17