K-Rain RPS 75 Setting Instructions

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SPRINKLER INSTALLATION
INSTALL AND BURY: Do not use pipe dope. Thread the sprinkler on the pipe. Bury the sprinkler.
Gear driven sprinklers and pop-up sprays should not be installed on the same watering zone.
NOTE: The RPS 75 is factory preset with a 180° arc setting, and includes a pre-installed #3 nozzle.
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SETTING THE ARC ADJUSTMENT
NOTE: The RPS75 Gear Driven Sprinkler has a fixed right start and an adjustable left stop.
1. POSITIONING NOZZLE TURRET TO ITS "RIGHT START"
Place your fingers on the top center of the nozzle turret (I). Rotate the turret counterclockwise
to the left stop to complete any interrupted rotation cycle. Rotate the nozzle must be held in this
position for arc adjustments. The right start does not change.
2. ADJUSTING THE RIGHT (FIXED) SIDE OF ARC
If the right side of the arc is not properly aligned, the sprinkler may spray in areas not intended for
watering such as driveways or adjacent properties. The right side arc can easily be realigned.
OPTION 1 REPOSITION CAN ON THE FITTING
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Turn the sprinkler can (K) This may require temporary removal of the soil around the sprinkler to
allow you to grip the sprinkler can.
OPTION 2 REMOVE INTERNAL RISER ASSEMBLY AND REPOSITION
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Unscrew the top (H) counter-clockwise and remove the internal riser assembly from the can.
Once removed with nozzle turret (I) at its right start, reposition the riser assembly so that nozzle
arrow points to the desired start position. Replace the riser assembly back in the can and screw
on the top. At this point you have realigned the right arc stop, and you can adjust the left arc to an
appropriate setting.
OPTION 3 MANUALLY RAISE RISER AND REPOSITION
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Insert the Key into the keyhole (L) and pull up on the riser. Using your hand, turn the riser to
reposition the right start.
3. ADJUSTING THE LEFT (VARIABLE) SIDE OF THE ARC
INCREASING THE ARC
Insert the (A) end of the Key into the arc set adjustment slot (M). While holding the nozzle turret
(I) at the right start, turn the Key clockwise. Each full 360° turn of the Key will increase the arc
90°. Adjust to any arc between 40° and 360°. The Key will stop turning, or there will be ratcheting
noise, when the maximum arc of 360° has been reached.
DECREASING THE ARC
Insert the (A) end of the Key into the arc set adjustment slot (M). While holding the nozzle turret
(I) at the right start, turn the Key counter-clockwise. Each full 360° turn of the Key will decrease
the arc 90°. Adjust to any arc between 40° and 360°. The Key will stop turning, or there will be a
ratcheting noise, when the minimum arc of 40° has been reached.
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CHANGING A NOZZLE
1. REMOVING THE NOZZLE RETENTION SCREW
Use the hex (B) end of the Key to remove the nozzle retention screw by turning counter-clockwise
to remove or clockwise to re-install.
2. PULL UP THE RISER
Insert the (A) end of the Key in the keyhole (L) on the top of the nozzle turret (I) and turn the key
1/4 turn to insure that the key does not slip out of the keyhole when you pull it up. Firmly pull up
the entire spring-loaded riser to access the nozzle socket (G). Hold riser assembly with one hand.
3. REMOVING THE NOZZLE
With nozzle retention screw removed, the nozzle may be removed by pulling outward on the nozzle
prongs (D) with a pair of needle-nose pliers.
4. INSTALLING A NOZZLE
Press the desired nozzle (C) into the nozzle socket (G). Make sure the nozzle number is visible
and the nozzle "prongs" (D) are up. Then, re-install the nozzle retention screw (F). NOTE: The
nozzle retention screw is also a break-up screw, used to adjust the distance of the spray.
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TIPS
1. INSPECTING THE FILTER
Unscrew the top (H) and lift the complete sprinkler assembly (J) out of the can (K) and can be
easily pulled out, cleaned and re-installed.
2. WINTERIZATION
When using an air compressor to remove water from the system please note the following:
a. Do not exceed 30 PSI.
b. Always introduce air into the system gradually to avoid air pressure surges. Sudden release of
compressed air into the sprinkler can cause damage.
c. Each zone should run no longer than 1 minute on air. Sprinklers turn 10 to 12 time faster on air
than on water. Over spinning rotors on air can cause damage to the internal components.
GEAR DRIVEN SPRINKLER SETTING INSTRUCTIONS
A
RPS75 Key
D Nozzle
Prongs
B
I Nozzle Turret
L Keyhole
M
STANDARD NOZZLE PERFORMANCE
Arc Set
U.S.
Adjustment
Nozzle Pressure Radius Flow Pressure Radius
PSI Ft. GPM KPa
#3 30 36' 2.0 206
40 38' 2.4 275
50 40' 2.7 344
60 40' 2.9 413
#0.5 30 28' 0.5 206
40 29' 0.6 275
50 29' 0.7 344
60 30' 0.8 413
E Key in Keyhole
#0.75 30 29' 0.7 206
40 30' 0.8 275
50 30' 0.9 344
60 31' 1.0 413
#1 30 30' 0.9 206
40 31' 1.0 275
F Nozzle
50 31' 1.2 344
60 32' 1.3 413
Retention
#2 30 32' 1.2 206
40 33' 1.4 275
Screw 50 34' 1.6 344
60 34' 1.8 413
#4 30 36' 2.6 206
40 40' 3.0 275
G Nozzle
50 42' 3.4 344
60 42' 3.7 413
Socket
#6 30 38' 4.2 206
40 43' 4.9 275
50 46' 5.5 344
60 47' 6.0 413
#8 40 45' 6.0 275
50 48' 6.8 344
60 49' 7.6 413
70 51' 8.2 482
J Sprinkler
Assembly
K-RAIN MANUFACTURING CORP.
1640 Australian Avenue, Riviera Beach, FL 33404 USA
PH: 1-561-844-1002 / 1-800-735-7246
FAX: 1-561-842-9493
www.krain.com
© K-RAIN Manufacturing Corp.
Part Number: 16005103-REV 11
C Nozzle
F Nozzle
Retention Screw
LOW ANGL
METRIC U.S
Flow Nozzle Pressure R
Bars Meters L/M M /H PSI
3
#1 30
2.1 11.0 7.6 0.45
2.8 11.6 9.1 0.55 40
3.4 12.2 10.2 0.61 50
4.1 12.2 11.0 0.66 60
2.1 8.5 1.9 0.11 #3 30
2.8 8.8 2.3 0.14 40
3.4 8.8 2.7 0.16 50
4.1 9.1 3.0 0.18 60
2.1 8.8 2.6 0.16 #4 30
2.8 9.1 3.0 0.18 40
3.4 9.1 3.4 0.20 50
4.1 9.4 3.8 0.23 60
2.1 9.1 3.4 0.20 #6 40
2.8 9.4 3.8 0.23 50
3.4 9.4 4.5 0.27 60
4.1 9.8 4.9 0.30 70
I
2.1 9.8 4.5 0.27
Data represents test resu
2.8 10.1 5.3 0.32
Radius may be reduced
3.4 Nozzle 10.4 6.1 0.36
4.1 10.4 6.8 0.41
Turret
2.1 11.0 9.8 0.59
2.8 12.2 11.4 0.68
3.4 12.8 12.9 0.77
4.1 12.8 14.0 0.84
2.1 11.6 15.9 0.91
2.8 13.1 18.5 1.11
3.4 14.0 20.8 1.25
4.1 14.3 22.7 1.36
2.8 13.7 22.7 1.36
3.4 14.6 25.7 1.54
4.1 14.9 28.8 1.73
4.8 15.5 31.0 1.86
H Top
K
Can