102/07/20102/08/25


//
//02-27853199-261
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////02-27853199-261
102/07/20102/8/25
102/9/23
40MW GPA 40MW 1.75%
tolerance 39.3 MW
Gross 39.68MW Net Output 39.248 MW

IGV
85° 86° IGV Ring IGV
85 87

8 2122
40.18MW 0.5MW
1
PITI#7
47
8
8
8

40MW GPA 40MW
1.75% tolerance 40-0.7=39.3 MW
Gross 39.68MW Net Output 39.248 MW

1 2

85° 86°GE TA IGV Ring
540.97mm 540.20mm IGV 85 87

TE EE O-Ring 8mm
.
PITI MEC
PITI 2 7 24 27
10 1 8 21
8 22
3
7/208/22:
7/208/18:

3.
5.:
7/308/11:


(Atomizing Air Cooler) (Lube Oil Heat Exchanger) (Starting Means Cooler) (Generator Cooling Air Heat Exchanger)
(3) Compartment Ventilator
(5) Fuel Flow control valve


_

(6) Hydraulic oil accumulator ( ACC 15 )

2. /(IGV/EGV)
()


(4)
Swirler

Gasket (……) and
Packing
2. 3 & 4 (
1. -
2. ,
6. WEDGE
2.
(3) PT
(4) (VT/PT
)


2. PI PSPTDPIDPSTITSSpeed P/U Position SensorsVibration P/U T/CRTD Proximity ProbeVelocity Probe

Cranking 14 03
10MW 20MW30MW36MW() 40.18MW()
0.26in/sec
P61~P72
Ratchet RubbingGE TA Mr Thuan Ngo




3
4
4
4
5~10
10
10
11

27
28~30
() 31~75
AM-BD-002-F2-2 6

PITI GT#7 40MW GPA 40MW
1.75% tolerance 40-0.7=39.3 MW
Gross 39.68MW Net Output 39.248 MW

1 2
IGV85(86)GETA Mr. THUAN NGO
IGV Ring 540.97mm 540.20mm IGV
85 87 NDT
NDT NDT
7 22 7 MEC
PITI MEC
PITI 2 7 24 8 21
8 22
15 35 40.18MW
0.5MW
()

()() (

5
3.3 1/2/3 (Shrouds)
3.4 1/2/3

(Bushing) P31~P32
6
(P12) 1~4 IGV IGV Ring 540.97mm
540.20mm IGV 85 87 (P12)
5~6
Corrosion
4mm~86mm
ψ5mm (P13)
9~12(P14) 13~14
1.4 UT
2.

(P14) 15~16
(Forward Flow Sleeve) PT #4#6 Liner
stop #4
7
P74
VT P41
2.2

17~18(P15) 19~21
10 100psi


(10mm x 5mm) 1
P44~P45 (P15) 22~24(P16)
25~26
3.2 2/3 (PT )
2 PT 11 (#2#7#8#17#22
#26#31#32#40#44#47) 3mm ~ 9 mm
(P16) 27
3.3 1/2/3 (Shrouds)
2(P16)
1/3
3.4 1/2/3
3.5
37
4.
65psi 30
(P18) 38~42
P47~P48 (P19) 44

(P19) 45
GE TA Pre-stretch value 7.89mm
Shim 6.58mm 2.17mm Shim
Pre-stretch value 10.38mm 7.80mm
P52 (P19) 46
48
4.5
5.
5.1
P75
5.2 #1#2
#1#2 (<Active><Inactive>)
UTPT #1#2
P53~P60 (P22)
61~66
102 8 21 (Ratchet)8 22
Cranking 14 03
10MW20MW30MW36MW() 40.18MW()
0.26in/sec
P61~P72

1.

Ratchet 10
Ratchet
Thuan Ngo




3 backlash
4 IGV
5IGV Ring
6IGV Ring IGV
13
11 8 12
14
15CDC
16
17
18
27 2
30 2
33
34
38
41
42
50
51
52
53
54
65 66#1
PITI #7 POWER PLANT MAJOR INSPECTION SCHEDULE Duration Start Date Finish Date
1 Gas Turbine Major Inspection Gas Turbine Major Inspection Gas Turbine Major Inspection Gas Turbine Major Inspection 31 days31 days31 days31 days 102/7/22102/7/22102/7/22102/7/22 102/8/21102/8/21102/8/21102/8/21
2 Remove Turbine Compartment Roof and Side Panels 1 day 102/7/22 102/7/22
3 Remove Exhaust and Inlet Plenum Access Panels 1 day 102/7/22 102/7/22 2SS
4 Remove Bolts of the Gen and Load Gear Coupling 1 day 102/7/22 102/7/22 3SS
5 Remove Liquid Fuel Lines/ Atomizing Air Lines 1 day 102/7/22 102/7/22 4SS
6 Remove Inlet Duct Elbow 1 day 102/7/22 102/7/22 5SS
7 Remove Fuel Nozzle/11 Stage Cooling and Sealing Lines 1 day 102/7/22 102/7/22 6SS
8 Remove Combustion liner/CrossfireTubes/Sleeve/Transition Pieces 3 days 102/7/22 102/7/24 7SS
9 Remove the Upper Half of the Inlet Plenum 1 day 102/7/23 102/7/23 7
10 Check Initial Compressor and Turbine Rotor Position 1 day 102/7/23 102/7/23 9SS
11 Place Mechanical Support Jacks Under Turbine Casing 1 day 102/7/23 102/7/23 10FS-1 day
12 Remove Tb Casing Bolts and Upper Half First Stage Nozzle Eccentirc Pin 1 day 102/7/24 102/7/25 11
13 Install Lifting Beam and Trolley Hoist/Remove Upper Half Tb Casing 1 day 102/7/24 102/7/24 12SS
14 Remove Upper Half Inlet& Forward CompressorCasing 1 day 102/7/25 102/7/25 8
15 Remove Upper Half First Stage Nozzle Support Ring 1 day 102/7/25 102/7/25 14SS
16 Check First Stage Nozzle Radial Concentricity 1 day 102/7/25 102/7/25 15SS
17 Remove Upper Half First Stage Nozzle Support Ring 1 day 102/7/25 102/7/26 16SS
18 Remove Upper Half First Stage Nozzle 1 day 102/7/25 102/7/25 17SS
19 Remove Compressor Discharge Compressor Casing(CDC) 1 day 102/7/25 102/7/25 18SS
20 Remove #1/2/8/9/10 Combustion casing 2 days 102/7/25 102/7/26 19SS
21 Remove Bolts of theTurbine and Load Gear Coupling(load end) 1 day 102/7/26 102/7/26
22 Check Turbine Clearance 1 day 102/7/26 102/7/26
23 Remove the Inner Compressor Discharge Casing 1 day 102/7/26 102/7/26 18
24 Remove Upper Half Exhaust Frame 1 day 102/7/26 102/7/26 19
25 Remove the Inner Compressor Discharge Casing 1 day 102/7/26 102/7/26
26 Inspect Combustion casing 3 days 102/7/27 102/7/29 23
27 Remove Bolts of theTurbine and Load Gear Coupling(T/b end) 1 day 102/7/27 102/7/27 24
28 Remove Upper Half No.1 and No.2 Brg Housings 1 day 102/7/27 102/7/27 25
29 Remove Lifting Beam and Trolley Hoistemove 1 day 102/7/28 102/7/28 28
30 Remove Upper Half Second and Third Stage Nozzle Segments 3 days 102/7/29 102/7/31 27
31 Remove Turbine and Compressor Rotor 1 day 102/7/29 102/7/29 30SS
32 Remove#3-#7Transition Pieces&Combustion casing 1 day 102/7/30 102/7/30 31
33 Remove Lower Half First Stage Nozzle 1 day 102/7/30 102/7/30
34 Remove Lower Half Second and Third Stage Nozzle Segments 2 days 102/7/30 102/7/31
35 Replacement of First and Second Stage Shrouds 8 days 102/7/30 102/8/6 34SS
36 Inspect First ,Second And Third Stage Tb Buckets 8 days 102/7/30 102/8/6 35SS
37 Inspect First ,Second And Third Stage Nozzle/Shroud Blocks/Diaphragms 7 days 102/7/30 102/8/5 36SS
38 Inspect Compressor Bucket and Nozzle 6 days 102/7/30 102/8/4 37SS
39 Pressure Test & Inspect Fuel Oil and Purge Check Valve 3 days 102/7/31 102/8/2 38SS
40 Pressure Test & Inspect Fuel Nozzles 4 days 102/7/31 102/8/3 39SS
41 Inspect Combustion Liners/Transition Piece 3 days 102/7/31 102/8/2 40SS
42 Pressure Testt Lube oil cooler&Atomizing Air cooler 4 days 102/7/31 102/8/3
43 Inspect Crossfire Tube and Spring Retainers/Sleeve/Combustion Casing 9 days 102/7/31 102/8/8 41SS
44 Inspect Exhaust Frame 8 days 102/8/1 102/8/8 34
45 Check First Stage Nozzle Ellipticity 1 day 102/8/3 102/8/3 39
46 Inspect Inlet Guide Vane 6 days 102/8/4 102/8/9
47 Inspect First Stage Nozzle Support Ring 1 day 102/8/4 102/8/4 45
48 Inspect Inner Comp Discharge Case Seal 1 day 102/8/4 102/8/4 47SS
49 Inspect Sleeve Bearing and Thrust Bearing 4 days 102/8/4 102/8/7 41
50 Inspect Load Gear &Accessory Gear unit 3 days 102/8/4 102/8/6 49SS
51 Check First Stage Nozzle Ellipticity 1 day 102/8/4 102/8/4 50SS
52 Install Lower Half Second and Third Stage Nozzle Segment 3 days 102/8/4 102/8/6 42
53 Install No.1 and No.2 Lower Half Bearing 2 days 102/8/4 102/8/5 51SS
54 Install Lower Half First Stage Nozzle 1 day 102/8/5 102/8/5
55 Install Turbine and Compressor Rotor 1 day 102/8/7 102/8/7 54
56 Recheck Turbine Clearances 1 day 102/8/7 102/8/7 55SS
57 Reassemble No.1 , No.2 upper Half Bearing&Thrust Bearing 1 day 102/8/7 102/8/7 56SS
58 Recheck Compressor Clearances and Thrust 1 day 102/8/7 102/8/7 57SS
59 Install the Inner Compressor Discharge Casing 1 day 102/8/7 102/8/7 58SS
60 Install the Compressor Discharge and Aft Compressor Casing 1 day 102/8/8 102/8/8 59SS
61 Install Upper Half First Stage Nozzle Support Ring 1 day 102/8/8 102/8/8 60SS
62 Install Upper Half First Stage Nozzle 1 day 102/8/9 102/8/9 61SS
63 Recheck First Stage Nozzle Concentricity 1 day 102/8/9 102/8/9 62SS
64 Install Transition Pieces 1 day 102/8/10 102/8/10 63
65 Install Upper Half Turbine Casing 2 days 102/8/10 102/8/11 64SS
66 Install Upper Half Inlet Casing 1 day 102/8/12 102/8/12 65
67 Install Forward Compressor Casing 1 day 102/8/12 102/8/12 66SS
68 Install Inlet Duct Elbow&Inlet Plenum 1 day 102/8/12 102/8/12
69 Install Exhaust Frame 1 day 102/8/13 102/8/13 68
70 Remove Mechanical Support Jacks fromUnderneath Turbine Casing 1 day 102/8/13 102/8/13 69SS
71 Check Final Compressor and Turbine Rotor Position 1 day 102/8/13 102/8/13 70SS
72 Install Combustion Liner/Crossfire Tubes/Sleeve 2 days 102/8/14 102/8/15 71
73 Install Fuel Nozzle/11 Stage Cooling and Sealing Lines 2 days 102/8/14 102/8/15 72SS
74 Reassemble Liquid Fuel Lines/Atomizing Air Lines 2 days 102/8/15 102/8/16 73SS
75 Reassemble Exhaust and Inlet Plenum Access Panels 1 day 102/8/15 102/8/15 74SS
76 ReCheck Gen to Load Gear Coupling Alignment 2 days 102/8/15 102/8/16 75SS
77 Install Gen and Load Gear Coupling and Check Elongation 2 days 102/8/16 102/8/17 76SS
78 Recheck Turbine to Load Gear 2 days 102/8/17 102/8/18 77SS
79 Install Turbine to Load Gear Coupling and Check Elongation 2 days 102/8/17 102/8/18 78SS
80 Recheck Turbine to Accessory Gear Alignment 2 days 102/8/18 102/8/19 79SS
81 Install Accessory and Load Coupling 1 day 102/8/19 102/8/19 80SS
82 Assemble Turbine Compartment Roof and Side Panels 1 day 102/8/19 102/8/19
83 Test Running 1 day 102/8/20 102/8/20 82SS
84 House Keeping 1 day 102/8/21 102/8/21 83
7/227/227/227/22
7/247/247/247/24
7/297/297/297/29
8/208/208/208/20 8/208/208/208/20
8/218/218/218/21 8/218/218/218/21
Sun Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat
21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
2013/7/21 2013/7/28 2013/8/4 2013/8/11 2013/8/18
: Piti#7 Major Inspection Schedule
: 102/7/1
PITI #7 POWER PLANT MAJOR INSPECTION SCHEDULE Duration Start Date Finish Date
1 Gas Turbine Major Inspection Gas Turbine Major Inspection Gas Turbine Major Inspection Gas Turbine Major Inspection 31 days31 days31 days31 days 102/7/24102/7/24102/7/24102/7/24 102/8/23102/8/23102/8/23102/8/23
2 Remove Turbine Compartment Roof and Side Panels 1 day 102/7/24 102/7/24
3 Remove Exhaust and Inlet Plenum Access Panels 1 day 102/7/24 102/7/24 2SS
4 Remove Bolts of the Gen and Load Gear Coupling 1 day 102/7/24 102/7/24 3SS
5 Remove Liquid Fuel Lines/ Atomizing Air Lines 1 day 102/7/24 102/7/24 4SS
6 Remove Inlet Duct Elbow 1 day 102/7/24 102/7/24 5SS
7 Remove Fuel Nozzle/11 Stage Cooling and Sealing Lines 1 day 102/7/24 102/7/24 6SS
8 Remove Combustion liner/CrossfireTubes/Sleeve/Transition Pieces 3 days 102/7/24 102/7/26 7SS
9 Remove the Upper Half of the Inlet Plenum 1 day 102/7/25 102/7/25 7
10 Check Initial Compressor and Turbine Rotor Position 1 day 102/7/25 102/7/25 9SS
11 Place Mechanical Support Jacks Under Turbine Casing 1 day 102/7/25 102/7/25 10FS-1 day
12 Remove Tb Casing Bolts and Upper Half First Stage Nozzle Eccentirc Pin 1 day 102/7/26 102/7/26 11
13 Install Lifting Beam and Trolley Hoist/Remove Upper Half Tb Casing 1 day 102/7/26 102/7/26 12SS
14 Remove Upper Half Inlet& Forward CompressorCasing 1 day 102/7/27 102/7/27 8
15 Remove Upper Half First Stage Nozzle Support Ring 1 day 102/7/27 102/7/27 14SS
16 Check First Stage Nozzle Radial Concentricity 1 day 102/7/27 102/7/27 15SS
17 Remove Upper Half First Stage Nozzle Support Ring 1 day 102/7/27 102/7/28 16SS
18 Remove Upper Half First Stage Nozzle 1 day 102/7/27 102/7/27 17SS
19 Remove Compressor Discharge Compressor Casing(CDC) 1 day 102/7/27 102/7/27 18SS
20 Remove #1/2/8/9/10 Combustion casing 2 days 102/7/27 102/7/28 19SS
21 Remove Bolts of theTurbine and Load Gear Coupling(load end) 1 day 102/7/28 102/7/28
22 Check Turbine Clearance 1 day 102/7/28 102/7/28
23 Remove the Inner Compressor Discharge Casing 1 day 102/7/28 102/7/28 18
24 Remove Upper Half Exhaust Frame 1 day 102/7/28 102/7/28 19
25 Remove the Inner Compressor Discharge Casing 1 day 102/7/28 102/7/28
26 Inspect Combustion casing 3 days 102/7/29 102/7/31 23
27 Remove Bolts of theTurbine and Load Gear Coupling(T/b end) 1 day 102/7/29 102/7/29 24
28 Remove Upper Half No.1 and No.2 Brg Housings 1 day 102/7/29 102/7/29 25
29 Remove Lifting Beam and Trolley Hoistemove 1 day 102/7/30 102/7/30 28
30 Remove Upper Half Second and Third Stage Nozzle Segments 3 days 102/7/31 102/8/2 27
31 Remove Turbine and Compressor Rotor 1 day 102/7/31 102/7/31 30SS
32 Remove#3-#7Transition Pieces&Combustion casing 1 day 102/8/1 102/8/1 31
33 Remove Lower Half First Stage Nozzle 1 day 102/8/1 102/8/1
34 Remove Lower Half Second and Third Stage Nozzle Segments 2 days 102/8/1 102/8/2 26
35 Replacement of First and Second Stage Shrouds 8 days 102/8/1 102/8/8 34SS
36 Inspect First ,Second And Third Stage Tb Buckets 8 days 102/8/1 102/8/8 35SS
37 Inspect First ,Second And Third Stage Nozzle/Shroud Blocks/Diaphragms 7 days 102/8/1 102/8/7 36SS
38 Inspect Compressor Bucket and Nozzle 6 days 102/8/1 102/8/6 37SS
39 Pressure Test & Inspect Fuel Oil and Purge Check Valve 3 days 102/8/2 102/8/4 38SS
40 Pressure Test & Inspect Fuel Nozzles 4 days 102/8/2 102/8/5 39SS
41 Inspect Combustion Liners/Transition Piece 3 days 102/8/2 102/8/4 40SS
42 Pressure Testt Lube oil cooler&Atomizing Air cooler 4 days 102/8/2 102/8/5 33
43 Inspect Crossfire Tube and Spring Retainers/Sleeve/Combustion Casing 9 days 102/8/2 102/8/10 41SS
44 Inspect Exhaust Frame 8 days 102/8/3 102/8/10 34
45 Check First Stage Nozzle Ellipticity 1 day 102/8/5 102/8/5 39
46 Inspect Inlet Guide Vane 6 days 102/8/6 102/8/11
47 Inspect First Stage Nozzle Support Ring 1 day 102/8/6 102/8/6 45
48 Inspect Inner Comp Discharge Case Seal 1 day 102/8/6 102/8/6 47SS
49 Inspect Sleeve Bearing and Thrust Bearing 4 days 102/8/6 102/8/9 41
50 Inspect Load Gear &Accessory Gear unit 3 days 102/8/6 102/8/8 49SS
51 Check First Stage Nozzle Ellipticity 1 day 102/8/6 102/8/6 50SS
52 Install Lower Half Second and Third Stage Nozzle Segment 3 days 102/8/6 102/8/8 42
53 Install No.1 and No.2 Lower Half Bearing 2 days 102/8/6 102/8/7 51SS
54 Install Lower Half First Stage Nozzle 1 day 102/8/7 102/8/7
55 Install Turbine and Compressor Rotor 1 day 102/8/8 102/8/8 54
56 Recheck Turbine Clearances 1 day 102/8/8 102/8/8 55SS
57 Reassemble No.1 , No.2 upper Half Bearing&Thrust Bearing 1 day 102/8/8 102/8/8 56SS
58 Recheck Compressor Clearances and Thrust 1 day 102/8/8 102/8/8 57SS
59 Install the Inner Compressor Discharge Casing 1 day 102/8/8 102/8/8 58SS
60 Install the Compressor Discharge and Aft Compressor Casing 1 day 102/8/10 102/8/10 59SS
61 Install Upper Half First Stage Nozzle Support Ring 1 day 102/8/10 102/8/10 60SS
62 Install Upper Half First Stage Nozzle 1 day 102/8/11 102/8/11 61SS
63 Recheck First Stage Nozzle Concentricity 1 day 102/8/11 102/8/11 62SS
64 Install Transition Pieces 1 day 102/8/12 102/8/12 63
65 Install Upper Half Turbine Casing 2 days 102/8/12 102/8/13 64SS
66 Install Upper Half Inlet Casing 1 day 102/8/14 102/8/14 65
67 Install Forward Compressor Casing 1 day 102/8/14 102/8/14 66SS
68 Install Inlet Duct Elbow&Inlet Plenum 1 day 102/8/14 102/8/14
69 Install Exhaust Frame 1 day 102/8/15 102/8/15 68
70 Remove Mechanical Support Jacks fromUnderneath Turbine Casing 1 day 102/8/15 102/8/15 69SS
71 Check Final Compressor and Turbine Rotor Position 1 day 102/8/15 102/8/15 70SS
72 Install Combustion Liner/Crossfire Tubes/Sleeve 2 days 102/8/16 102/8/17 71
73 Install Fuel Nozzle/11 Stage Cooling and Sealing Lines 2 days 102/8/16 102/8/17 72SS
74 Reassemble Liquid Fuel Lines/Atomizing Air Lines 2 days 102/8/17 102/8/18 73SS
75 Reassemble Exhaust and Inlet Plenum Access Panels 1 day 102/8/17 102/8/17 74SS
76 ReCheck Gen to Load Gear Coupling Alignment 2 days 102/8/17 102/8/18 75SS
77 Install Gen and Load Gear Coupling and Check Elongation 2 days 102/8/18 102/8/19 76SS
78 Recheck Turbine to Load Gear 2 days 102/8/19 102/8/20 77SS
79 Install Turbine to Load Gear Coupling and Check Elongation 2 days 102/8/19 102/8/20 78SS
80 Recheck Turbine to Accessory Gear Alignment 2 days 102/8/20 102/8/21 79SS
81 Install Accessory and Load Coupling 1 day 102/8/21 102/8/21 80SS
82 Assemble Turbine Compartment Roof and Side Panels 1 day 102/8/21 102/8/21
83 Test Running 2 days 102/8/21 102/8/22 82SS
84 House Keeping 1 day 102/8/23 102/8/23 83
7/247/247/247/24 7/247/247/247/24
8/218/218/218/21 8/228/228/228/22
8/238/238/238/23 8/238/238/238/23
Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat
22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
2013/7/28 2013/8/4 2013/8/11 2013/8/18
: Piti#7 Major Inspection Schedule
: 102/7/1