GE Baker Hughes 2900-40 Series Maintenance Manual page 66

Pilot operated safety relief valve
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XXIII. Maintenance Tools and Supplies (Cont.)
Orifices
"Eye Bolt
Sizes
(Notes)"
(Notes)"
D,E,F,G,H,J
#1
K,L
#2
M,N
#3
P, Q, R, T
#4
Ø H
Orifices
Sizes
in.
mm
D,E,F,G,H,J .156
3.96
K,L
.188
4.78
M,N
.188
4.78
P, Q, R, T
.375
9.53
Notes:
1) Use a Standard Eye-Bolt – .250" (6.35 mm) - 20 thd. x 3.5" (88.90 mm) Long
2) Use a Standard Eye-Bolt – .375" (9.53 mm) - 16 thd. x 4.5" (114.30 mm) Long
3) Use a Standard Eye-Bolt – .375" (9.53 mm)-16 thd. x 4.5" (114.30 mm) Long
4) Use a Standard Eye-Bolt – .625" (15.88 mm)-11 thd. x 4.5" (114.30 mm) Long
5) Use a Standard Nut – .250" (6.35 mm) - 20 thd.
6) Use a Standard Nut – .375" (9.53 mm) - 16 thd.
7) Use a Standard Nut – .375" (9.53 mm) - 16 thd.
8) Use a Standard Nut – .625" (15.88 mm) - 11 thd.
Additional: Use an appropriate sized O-Ring in groove "I", to hold the parts together.
66 | BHGE
Table 18 : Disassembly Tool Dimensions
"Jam
Ø A
Ø B
Nut
in.
mm
in.
#5
.703 17.86 .250
#6
.828 21.03 .250
#7
.828 21.03 .250
#8
1.375 34.93 .376
Table 19 - Contd.: Disassembly Tool Dimensions
I
J
Radius
Radius
in.
mm
in.
mm
.047
1.19
.034
0.86
.062
1.57
.040
1.02
.062
1.57
.047
1.19
.094
2.39
.055
1.40
Ø C
Ø D
mm
in.
mm
in.
mm
6.35
.437 11.10 .730 18.54 .094
6.35
.437 11.10 .847 21.51 .125
6.35
.437 11.10 .828 21.03 .125
9.55
.750 19.05 1.375 34.93 .125
Ø K
Ø L
in.
mm
in.
mm
.798
20.27
.375
9.53
.927
23.55
.375
9.53
1.126 28.60
.500
12.70
1.834 46.58
.750
19.05
Ø E
Ø F
in.
mm
in.
mm
2.39
.750 19.05 .406 10.31
3.18
.750 19.05 .438 11.13
3.18
.750 19.05 .438 11.13
3.18 1.000 25.40 .750 19.05
Ø M
M
Drill Size
NC Tap Size
in.
mm
in.
Note 7
.250 - 20 thd. 6.35 - 20 thd.
.313
7.94 .375 - 16 thd. 9.53 - 16 thd.
.313
7.94 .375 - 16 thd. 9.53 - 16 thd.
.531
13.49 .625 - 11 thd. 15.88 - 11 thd.
© 2019 Baker Hughes, a GE company. All Rights Reserved.
Ø G
in.
mm
mm

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