720G S
PECIFICATIONS AND
S
ERVICE
I
NSTRUCTIONS
Specifications
• Pressure Range: 40–100 psi
• Optimum Pressure: 65 psi
• Arc Range: 40°–360° (Part Circle Models)
• Nozzle Trajectory: 7°–25°
• Inlet Size:
3
/
4
"
Sprinkler Performance
(@ 65 psi & 25° trajectory)
Install Snap Ring
1. Place snap ring into body with beveled
side down.
CAUTION: Snap ring must be properly
installed in body groove and with gray
interlocking ring as shown to ensure
retention of sprinkler assembly.
2
Right
Wrong
Install Rubber Cover
1. For part circle
sprinkler, align
arrow on cover with
alignment keys on
body as shown.
2. Push cover onto lip
of body to secure.
3
Disassembly
Reassembly
Remove Snap Ring
1. Insert Toro tool into snap ring slot until
gray interlocking ring beneath snap ring
is pressed down.
2. With twisting motion, disen-
gage snap ring from body.
3. Twist snap ring out.
4. Remove sprinkler assembly
from body.
2
Remove Rubber Cover
1. Grasp lower edge of
rubber cover and pull
away from lip of body
as shown.
1
1
2
3
Install Sprinkler Assembly
1. To maintain left side arc
alignment of part circle
sprinkler, position align-
ment keys as shown.
2. Insert sprinkler assembly
into body.
1
Alignment Keys
6
4
34
30
23
8
1
1
1
5 1
7
1
1
2
3
4
4
6
8
9
1 2
1 2
GPM
-
+
AR
C
-
+
R A
D I
US
F
L
W
O
A
D
J
l/mn
© 2001 The Toro Company • Irrigation Division
Form Number 373-0159 Rev. A
*Note: Precipitation rates are calculated at 55%
of diameter for triangular (
▲
) spacing and 50% of
diameter for square (
■
)spacing.
Flow Adj.
Pressure
Radius
Flow
Precipitation Rate*
GPM
PSI
feet
GPM
▲
in/hr
■
in/hr
1
65
29
1.39
0.14
0.16
1.5
65
30
1.91
0.18
0.20
2
65
31
2.63
0.23
0.26
3
65
32
3.42
0.28
0.32
4
65
35
4.69
0.32
0.37
4.5
65
36
5.41
0.35
0.40
6
65
39
6.87
0.38
0.43
8
65
42
8.61
0.41
0.47
9
65
44
9.67
0.42
0.48
