Toro manual 720G Specifications and Service Instructions

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"

*Note: Precipitation rates are calculated at 55%

of diameter for triangular (	▲) spacing and 50% of
diameter for square (	■)spacing.

Sprinkler Performance (@ 65 psi & 25° trajectory)

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

2Install 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

Disassembly

1Remove Rubber Cover

1.Grasp lower edge of

rubber cover and pull away from lip of body as shown.

2Remove Snap Ring

Reassembly

1Install 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.

Alignment Keys

retention of sprinkler assembly.

Right Wrong

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. 2

3. Twist snap ring out.

4. Remove sprinkler assembly from body.

1

3

				S		9			8
			+
	-		RA			34		30		6
						F
1			4		L		+	J 23
					O		-	D	l/mn	GPM
			6		W
2								A	17	1	2
1		2		8			1	15		4
									4
						1
						3

3Install 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.

© 2001 The Toro Company • Irrigation Division Form Number 373-0159 Rev. A