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720G SPECIFICATIONS AND SERVICE INSTRUCTIONS
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
-
+
A
R
C
-
+
R
A
D
I
U
S
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