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Riser Installation

a. To ensure proper operation and performance for the life of

your Rain Gun, the riser must be stable and solidly installed to
resist vibration. An unsupported riser is insufficient for proper
operation.  Additionally, a PVC riser will not support the
reaction load of a Rain Gun. Some options that may be used
are: (Note: confirm friction loss and flow in your application)

• Option 1: Galvanized riser strapped to a 6" x 6" pressure

treated wood post (See Figure 4).

• Option 2: Galvanized riser set in a pillar of concrete 

(See Figure 5).

• Option 3: A portable gun stand designed to support a Rain

Gun. (Contact your dealer for a recommended supplier.)

b. Install Rain Gun to riser as shown in Figure 6 

or 7.

c. Inclined operation: 

• The preferred installation on an inclined plane

is on a vertical riser regardless of angle of
incline. 

• If the riser must be set at an angle, use the rear

counterweight (part number L00270) for
proper rotation of your Rain Gun. The weight is
designed to help the Rain Gun rotate up hill.

• If you are using a portable gun stand, please

consult the manufacturer to be sure it is
designed to support inclined terrain.  

d. For more help with your installation, please call

your Rain Bird Dealer or District Manager. The 
toll free Rain Bird number is listed on the back
page of this guide.

Traveler Installation

a. Make sure that the pressure at the gun is over 

45 psi. Most users underestimate the pressure loss
in the pipe, which is very high. Adjust your spoon
bracket in relation to the nozzle size and the
pressure at the gun.

b. On sloped terrain, weight compensation may be

required for proper rotation. For such conditions,
a rear counterweight is available (Part number
L00270, sold separately).

c. As an alternative to using a counterweight, some

travelers can be vertically adjusted. 

Center Pivot Installation

a. For proper operation, make sure that the pressure

at the gun is over 45psi. Many users underestimate
the pressure loss in the pivot, which is very high,
especially at the end-gun location. Adjust your
spoon bracket in relation to the nozzle size and
the pressure at the gun (Refer to spoon bracket
adjustment guide, Table 2).

b. Make sure that the pivot end-gun mounting

position is stable.

Installation Tips

Figure 5

Figure 6

Figure 7

Dimensions of concrete
required will vary depend-
ing on riser height, soil
bearing capacity, and
Rain Gun flowrate.
Example shown is for
compact clay soil with 
18 mm nozzle and 
maximum pressure 80 psi.

2" Elbow swing assembly

Provide drain valve

as necessary

Lateral

10”

12”

2” Galv.sch. 40

Figure 4

2" Elbow swing

assembly

Provide drain valve

as necessary

Lateral

Use pressure 
treated wood

Use hi-torque 
stainless steel bands

Keep riser vertical

Min. of 36” depth 

is recommended.

Compact dirt

around post.

12” to bolt

flange

Using thread adapter

Using bolt flange

Max. of 72” height is 
recomended. Post should be
continuous to base of Rain Gun.

Summary of Contents for SR3003

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Page 2: ...tart Guide 1 Configuring Your Rain Gun a A set of 6 nozzles and a spoon adjustment bracket are included to customize your Rain Gun to your application The spoon bracket allows you to set the rotation...

Page 3: ...Selection Select one of the six nozzles provided based on your performance requirements available water pressure at the Rain Gun and flow capacity Refer to Table 1 and Figure 1 Spoon Adjustment Bracke...

Page 4: ...the pressure at the gun is over 45 psi Most users underestimate the pressure loss in the pipe which is very high Adjust your spoon bracket in relation to the nozzle size and the pressure at the gun b...

Page 5: ...ing 71 P50463 19 Ball Bearing 71 P50544 20 Lock Nut 71 P50793 21 O Ring 71 P50121 22 Bearing Sleeve 71 P50794 23 Trip Lever Assembly 71 P50538 24 Trip Link Bushing 71 P50539 25 Elbow Shaft Washer 3 Re...

Page 6: ...d on the arm Check that the arm is not bent Check that the nozzle is properly installed in the nozzle housing It should be seated squarely Check the condition of the spoon If broken it will need to be...

Page 7: ...ultural applications In these circumstances Rain Bird offers an eighteen month warranty including free service or parts replacement but excludes coverage in the following general applications or envir...

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