Table 4-1. Nozzle Orifice Data.
Capacity, gpm, and spray angle at:
Approx
equiv
20 PS
25 PS
30PS
40 PS
50 PS
60 PSI
Dash
Vendor
orifice
No.
part No.
dia
Spray
Spray
Spray
Spray
Spray
Spray
GPM
angle
GPM
angle
GPM
angle
GPM
angle
GPM
angle
GPM
angle
-1
30399-7
0. 026
0. 07
68
0. 08
71
0. 09
75
0. 10
80
0. 11
82
0. 12
85
-2
30399-9
0. 031
0. 11
68
0. 12
71
0. 13
75
0. 15
80
0. 17
82
0. 18
85
-3
30399-11
0. 035
0. 14
69
0. 16
72
0. 17
76
0. 20
80
0. 23
82
0. 25
84
-4
30399-13
0. 043
0. 21
70
0. 24
73
0. 26
76
0. 30
80
0. 34
82
0. 37
84
-5
30399-15
0. 052
0. 28
71
0. 32
74
0. 35
77
0. 40
80
0. 45
81
0. 49
83
1.
Cap
5.
End cap assembly
2.
Spray tip
6.
Diaphragm
3.
Strainer assembly
7.
Secondary diaphragm
4.
Retainer
8.
Body assembly
Figure 4-7. Insecticide spray nozzle.
(3) Windmill blade angle adjustment. Adjust
CAUTION
the blade angle of the synchromatic windmill assembly
Do not attempt to adjust blades beyond
(24, fig. 4-2) as called for in spray plan.
Use figure 4-
position 1 on hub if you feel resistance
8 and the following steps as guides:
when turning adjusting nut.
Internal
damage to mechanism will result if you do
so when parts are binding.
4-12
