Hunter ST Series User manual

ST-1600
OWNER’S MANUAL
ST-1600
Long-Range Synthetic Turf Rotor

2
Installation
• With a maximum radius of 165',
the ST-1600 Rotor is designed for
placement outside the eld for safety
and serviceability.
• Pair the rotor with the ST-1600-KIT
vault system to bring all irrigation
components together inside one
strong enclosure for simple access
to the complete system.
ST-1600-HS-B: Pop-Up Gear Drive
The best-in-class gear-driven ST-1600-HS-B Synthetic Turf Rotor oers a premium solution for
synthetic turf irrigation. The rotor cools, cleans, and ushes synthetic sports elds to enhance eld
safety and playability. With a throwing radius up to 165', the powerful and reliable ST-1600-HS-B
Rotor oers years of solid performance in a range of applications.
ST-1600-HS-BR: Riser-Mounted Gear Drive
The riser-mounted ST-1600-HS-BR conguration is an ideal retrot option for synthetic turf
irrigation. It is also an eective dust-control solution for horse arenas, corrals, and pastures.
Key Benets
• Heavy-duty internal gear drive and
stainless steel pop-up riser provide
years of reliable operation
• Long-range performance exibility up
to 165' with six nozzle choices
• Full-circle and adjustable arc in one
model from 40° to 360°
• Adjustable speed of rotation using the
adjustment knob to set the speed to
your requirements
Factory Settings
• Preinstalled #20 nozzle; other nozzles
are included in the packaging
• Speed control pre-set for maximum
speed of rotation
• 40° arc setting
Table of Contents
2Overview
3Product Details
4ST-1600-HS-B Replacement Parts
5Servicing and Maintenance
6ST-600-KIT System Components
7Riser-MountedSystem Components
8Field Layouts
11 Troubleshooting
Overview

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Lower Flange
O-Ring
Stainless
Steel Piston
Product Dimensions:
• Overall height: 22⁄"
• Pop-up height: 5"
• Exposed diameter: 14"
• Inlet size: 2" BSP*
Operating Specications:
• Radius: 107' to 165'
• Flow: 96.2 to 326.8 GPM
• Operating pressure range: 60 to 120 PSI
• Speed of rotation: 80 seconds at 90 PSI in a single 180° sweep
Gearbox
Reversing
Mechanism Boot
Piston Flange
Speed
Control Knob
Turbine Housing
2" BSP Inlet
Secondary Brass
Nozzle
Primary
Nozzle
Arc Adjustment
Rings
14"
12"
14"
5"
2" BSP
22⁄"
!
!
*Use P/N 241400SP adapter for 2" PVC pipe if needed.
Product Details

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ITEM DESCRIPTION CATALOG NO.
1 Primary Nozzle Retainer 502402SP
2 Primary Nozzle
#16 784800SP
#18 784801SP
#20 784802SP
#22 784803SP
#24 784804SP
#26 784805SP
3 Secondary Nozzle Kit Female-threaded
nozzle with elbow 10005900SP
Male-threaded
nozzle 10006100SP
4 Speed Control Knob 510101SP
5 Gearbox Cover 502455
6 Turbine Assembly Kit 10006200SP
7 Reversing Kit 510164SP
8 Turret inlet Kit 510167SP
9Threaded rotor
inlet 893600SP
10 Arc Rings (2) 205617SP
11 Gear-Drive Assembly 881900SP
12 Rotor Cover Kit 204205SP
13 Upper Body Kit 502432SP
14 Riser Assembly 502432SP
15 Rubber boot 502423
16 Lower Body Kit 502442SP
17 Gear-Drive Insertion/Removal Tool 517600SP
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ST-1600-HS-B: Replacement Parts

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➊
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A. Replacing the cover and rotor
1. Remove center plug with a at-
blade screwdriver and unscrew the
nut underneath using a ⁄" (13 mm)
socket.
B. Replacing the propeller and
checking for debris
1. Remove the eight screws on the
turbine housing (six large, two
small).
C. Speed control adjustment
1. Turn the brass knob clockwise to
slow down rotation.
D. Servicing secondary nozzle
1. Unthread the secondary nozzle.
E. Arc adjustment
1. For part-circle operation, reach
inside the rotor to set the arc
adjustment rings to the desired arc
setting.
2. Use the Gear-Drive Insertion/
Removal Tool to unscrew the rotor
from the piston. The tool will grab
onto the screws below the rotor.
3. Turn the wrench counterclockwise
until the unit is free from the
threads.
4. Li the unit out of the body.
2. Pull to remove the propeller cover
and expose the propeller.
3. Remove the propeller from the
housing to clear any debris that
may be trapped inside.
2. For 360° operation, remove both
adjustment rings.
2. Clear any debris that may be
trapped inside.
Servicing and Maintenance

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ITEM DESCRIPTION
1ST-1600-HS-B Synthetic Turf Rotor
2ST-IBS-1600 Rubber Cover Kit with inll
barrier system
3ST-243636-B Vault
4ST-BKT-1600 Bracket for rotor
5
ST-BVF30-K Manifold, including
3" (80 mm) Victaulic ttings, isolation
valve, drain valve
6ST-V30-KV 3" (80 mm) grooved
Victaulic type low-pressure-loss valve
7ST-SPT-K Adjustable manifold supports
(2 required)
8
ST-H30-K Flexible stainless steel hose,
Victaulic connection to 3" (80 mm)
female NPT
9HQ-5-RC Quick coupler 1" (25 mm) inlet
with 1¼" (30 mm) outlet
10 ST-BKT-QCV Hanger bracket for
quick coupler
11 On-o-auto selector (included with
ST-V30-KV)
12 Compacted ground base
Note: All components above make up the ST-1600-KIT.
The ST-1600-HS-B Rotor paired with the ST-1600-KIT vault system is the superior solution for
all synthetic turf irrigation needs. The ST-1600-KIT brings ST irrigation components together
inside one strong underground enclosure that oers simple access from the top for quick
servicing and maintenance.
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Victaulic is a trademark of Victaulic Company.
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ST-1600-KIT System Components

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The riser-mounted ST-1600-HS-BR Rotor cools and cleans synthetic elds from above. If
riser-mounted irrigation is your choice, protect the riser with padding for safety. This
option is also a great dust-control solution for horse arenas, corrals, and pastures.
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ITEM DESCRIPTION
1ST-1600-HS-BR Synthetic Turf Rotor,
riser-mounted
2ST-173026-C Vault
3ST-V30-KV 3" (80 mm) grooved
Victaulic type low-pressure-loss valve
4On-o-auto selector (included with
ST-V30-KV)
5 Isolation valve
6 3" (80 mm) PVC pipe
7 3" (80 mm) elbow
83" to 2" (80 mm to 50 mm)
reducer bushing
9 3" (80 mm) schedule 40 steel pipe
10 Protective padding
11 Compacted ground base
Riser-Mounted System Components

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American football eld, with a #20 nozzle installed, operating at 100 PSI
Field Layouts

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International soccer pitch, with a #24 nozzle installed, operating at 90 PSI
Field Layouts

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ST1600 PERFORMANCE DATA IMPERIAL
Nozzle Pressure Radius Flow Precipitation in/hr*
PSI . GPM
16 60 107 96.2 1.63 1.88
70 115 107. 3 1.57 1.81
90 121 1 17. 8 1.54 1.78
100 128 127.3 1.50 1.73
115 135 137. 4 1.46 1.69
18 60 112 1 07.0 1.66 1.91
70 121 119.4 1.56 1.80
90 128 131.0 1.54 1.78
100 133 141.3 1.54 1.78
115 141 153.2 1.48 1.71
20
(Factory installed)
60 115 144.0 2.10 2.43
70 128 160.9 1.89 2.18
90 141 176.5 1.71 1.97
100 144 190.5 1.76 2.03
115 148 204.2 1.80 2.08
22 60 118 171.5 2.37 2.73
70 130 191.8 2.20 2.54
90 144 210.0 1.94 2.24
100 151 226.9 1.84 2.12
115 157 243.1 1.89 2.18
24 60 121 202.1 2.64 3.05
70 133 225.9 2.46 2.84
90 148 247.6 2.19 2.52
100 156 2 6 7.4 2.12 2.45
115 160 286.4 2.16 2.49
26 60 126 233.2 2.83 3.27
70 136 260.4 2.71 3.13
90 151 284.5 2.40 2.77
100 160 3 07.0 2.31 2.67
115 165 326.8 2.32 2.68
* All precipitation rates are calculated for 180° operation. For the precipitation rate of a 360° sprinkler, divide by 2.
25°
26'
135'
141'
148'
157'
160'
165'
107'
112'
115'
118'
121'
126'
Nozzle #16
Nozzle #18
Nozzle #20
Nozzle #22
Nozzle #24
Nozzle #26

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ST1600 SHORTRADIUS NOZZLE KIT PERFORMANCE CHART  P/N 959900
Nozzle Pressure Radius Flow Precipitation in/hr
PSI GPM
860 70 23.3 0.92 1.06
70 72 25.5 0.95 1.09
90 74 27. 3 0.96 1.11
100 76 29.2 0.97 1.12
10 60 81 37.8 1.11 1.28
70 84 42.5 1.16 1.34
90 86 47.1 1.23 1.42
100 88 51.0 1.27 1.46
12 60 92 53.9 1.23 1.42
70 94 60.5 1.32 1.52
90 96 65.7 1.37 1.58
100 98 71.8 1.44 1.66
14 60 103 69.3 1.26 1.45
70 105 78.2 1.37 1.58
90 108 85.5 1.41 1.63
100 110 92.5 1.47 1.70
Important
The water may contain foreign objects
such as sand, rocks, and other impurities,
which can damage the rotor. To avoid
these problems, you may need to install
a lter.
Aer Installation
Troubleshooting non-rotation aer
installation:
1. Check for plugged secondary nozzle.
2. Check for a blocked propeller in the
turbine assembly.
hunter.help/ST1600Support 1-760-591-7383
Find other helpful information about your product, including installation tips and more.
Caution
• Stand clear of the rotor's water jet and
area of operation.
• Ensure the water jet is not directed
toward persons, animals, power lines,
roads, or other objects.
Troubleshooting

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Helping our customers succeed is what drives us. While our passion
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commitment to exceptional support that we hope will keep you in
the Hunter family of customers for years to come.
Gregory R. Hunter, CEO of Hunter Industries
Gene Smith, President, Landscape Irrigation and Outdoor Lighting