XIV. Maintenance Instructions (Contd.)
Note 1: Do not remachine threaded areas of the nozzle to reestablish “D” Dimension. Once “D” minimum is
reached, replacement of nozzle is necessary.
Table 2: Nozzle Critical Dimensions
Orifice
Nozzle Bore
D min.1
E ± .005”
(0.13 mm)
F
H
min.
max.
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm.
in.
mm.
D
.402
10.21
.409
10.39 .313
7.95
.030
0.76
.954 ± .001 24.23 ± 0.03
.831 ± .001 21.11 ± 0.03
E
.539
13.69
.544
13.82 .313
7.95
.030
0.76
.954 ± .001 24.23 ± 0.03
.831 ± .001 21.11 ± 0.03
F
.674
17.12
.679
17.25
.313
7.95
.030
0.76
.954 ± .001 24.23 ± 0.03
.831 ± .001 21.11 ± 0.03
G
.864
21.95
.869
22.07
.313
7.95
.035
0.89
1.093 ± .001 27.76 ± 0.03
.953 ± .001 24.21 ± 0.03
H
1.078 27.38 1.083 27.51
.250
6.35
.035
0.89
1.224 ± .001 31.09 ± 0.03 1.123 ± .001 28.52 ± 0.03
J
1.380 35.05 1.385 35.18
.375
9.53
.035
0.89
1.545 ± .001 39.24 ± 0.03 1.435 ± .001 36.45 ± 0.03
K
1.650 41.91 1.655 42.04 .438 11.13 .063
1.60
1.836 ± .002 46.63 ± 0.05 1.711 ± .002 43.46 ± 0.05
L
2.055 52.20 2.060 52.32 .438 11.13 .063
1.60
2.257 ± .002 57.33 ± 0.05 2.133 ± .002 54.18 ± 0.05
M
2.309 58.65 2.314 58.78 .438 11.13 .063
1.60
2.525 ± .002 64.14 ± 0.05 2.400 ± .002 60.96 ± 0.05
N
2.535 64.39 2.540 64.52 .500 12.70 .063
1.60
2.777 ± .002 70.54 ± 0.05 2.627 ± .002 66.73 ± 0.05
P
3.073 78.05 3.078 78.18 .625 15.88 .093
2.36
3.332 ± .002 84.63
0.05 3.182 ± .002 80.82 ± 0.05
Q
4.045 102.74 4.050 102.87 .875 22.23 .093
2.36
4.335 ± .003 110.11 ± 0.08 4.185 ± .003 106.30 ± 0.08
R
4.867 123.62 4.872 123.75 1.000 25.40 .093
2.36
5.110 ± .003 129.79 ± 0.08 4.960 ± .003 125.98 ± 0.08
T
6.202 157.53 6.208 157.68 .750 19.05 .093
2.36
6.510 ± .003 165.35 ± 0.08 6.315 ± .003 160.40 ± 0.08
U
6.685 169.80 6.691 169.95 .750 19.05 .093
2.36
6.993 ± .003 177.62 ± 0.08 6.798 ± .003 172.67 ± 0.08
V
8.000 203.20 8.005 203.33 1.250 31.75 .250
6.35
8.816 ± .005 223.93 ± 0.13 8.336 ± .005 211.73 ± 0.13
W
10.029 254.74 10.034 254.86 1.750 44.45 .350
8.89 11.058 ± .005 280.87 ± 0.13 10.458 ± .005 265.63 ± 0.13
Table 2: Nozzle Critical Dimensions (Contd.)
Orifice
N
P
±0.5°
Radius B
± .001” (0.03 mm)
J ± .005”
(0.13 mm)
K
L
in.
mm
in.
mm
in. mm
in.
mm
in.
mm
D
.038
+
-
.002
.003
0.97
+
-
0.05
0.08
30°
.016
0.41
.079 2.01 0.867 ± .001 22.02 ± 0.03 .813 ± .001 20.65 ± 0.03
E
.038
+
-
.002
.003
0.97
+
-
0.05
0.08
30°
.016
0.41
.079 2.01 0.867 ± .001 22.02 ± 0.03 .813 ± .001 20.65 ± 0.03
F
.038
+
-
.002
.003
0.97
+
-
0.05
0.08
30°
.016
0.41
.079 2.01 0.867 ± .001 22.02 ± 0.03 .813 ± .001 20.65 ± 0.03
G
.038
+
-
.002
.003
0.97
+
-
0.05
0.08
30°
.022
0.56
.090 2.29 1.058
+
-
.002
.001
26.87
+
-
0.05
0.03
.998 ± .001 25.35 ± 0.03
H
.035
+
-
.002
.003
0.89
+
-
0.05
0.08
45°
.022
0.56
.060 1.52 1.214
+
-
.002
.001
30.84
+
-
0.05
0.03
1.165
+
-
.002
.001
29.59
+
-
0.05
0.03
J
.035 ± .005 0.89 ± 0.13 45°
.022
0.56
.074 1.88 1.532
+
-
.002
.001
38.91
+
-
0.05
0.03
1.479
+
-
.002
.001
37.57
+
-
0.05
0.03
K
.063 ± .005 1.60 ± 0.13 45°
.022
0.56
.126 3.20 1.836 ± .002 46.63 ± 0.05 1.780
+
-
.001
.002
45.21
+
-
0.03
0.05
L
.063 ± .005 1.60 ± 0.13 45°
.017
0.43
.126 3.20 2.206 ± .002 56.03 ± 0.05 2.156 ± .002 54.76 ± 0.05
M
.063 ± .005 1.60 ± 0.13 45°
.022
0.56
.126 3.20 2.534 ± .002 64.36 ± 0.05 2.478 ± .002 62.94 ± 0.05
N
.063 ± .005 1.60 ± 0.13 45°
.022
0.56
.101 2.57 2.706 ± .002 68.73 ± 0.05 2.650 ± .002 67.31 ± 0.05
P
.093 ± .005 2.36 ± 0.13 45°
.022
0.56
.150 3.81 3.332 ± .002 84.63 ± 0.05 3.277
+
-
.002
.003
83.24
+
-
0.05
0.08
Q
.093 ± .005 2.36 ± 0.13 45°
.022
0.56
.188 4.78 4.335 ± .003 110.11 ± 0.08 4.281 ± .003 108.74 ± 0.08
R
.093 ± .005 2.36 ± 0.13 45°
.022
0.56
.215 5.46 5.092 ± .003 129.34 ± 0.08 5.033 ± .003 127.84 ± 0.08
T
.093 ± .005 2.36 ± 0.13 45°
.022
0.56
.142 3.61 6.510
+
-
.003
.004
165.35
+
-
0.08
0.10
6.420
+
-
.004
.003
163.07
+
-
0.10
0.08
U
.093 ± .005 2.36 ± 0.13 45°
.022
0.56
.142 3.61 6.992 ± .003 177.60 ± 0.08 6.902 ± .003 175.31 ± 0.08
V
.275 ± .005 6.99 ± 0.13 30°
.020
0.51
.275 6.99 9.125 ± .005 231.78 ± 0.13 8.336 ± .003 211.73 ± 0.08
W
.353 ± .005 8.97 ± 0.13 30° .020 ± .005 0.51±0.13 .353 8.97 11.125 ± .005 282.58 ± 0.13 10.458 ± .005 265.63 ± 0.13
36 | BHGE
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