R75M Debris Sweeping Sprinkler
Maintenance & Operation Instructions
Squeeze tabs on
the side of the plate
assembly and pull.
Inspect the 7TN
nozzle for plugging or
damage. Replace if
necessary.
Reinstall plate
assembly. Guide shift
lever between stops
as shown in Fig. 4.
The R75M Debris Sweeping Sprinkler requires a ridgid inlet pipe, at
least 6” long.
R75DSS 8/16
1 2 3 4
NOZZLE COMES FACTORY INSTALLED. TO ACCESS THE NOZZLE:
[CLICK!]
SHIFT LEVER
Make sure shift lever
is between stops as
shown. Adjust stops
to give desired arc of
coverage
STOPS
RIDGID PIPE
6” Min.
Pressure
(psi)
#52 (13/32") 7TN Nozzle
Flow (gpm)
40 30.0
45 31.7
50 33.6
55 35.3
60 36.8
PERFORMANCE (U.S. UNITS)
Pressure
(bar)
#52 (13/32") 7TN Nozzle
Flow (m3/h)
2.75 6.8
3.00 7.1
3.50 7.7
4.00 8.2
PERFORMANCE (METRIC UNITS)
R75M Debris Sweeping Sprinkler
1 1/4” MNPT
#12699-001
WARRANTY AND DISCLAIMER: Nelson
Irrigation’s R75M Debris Sweeping Sprinkler
is warranted for one year from date of original
sale to be free of defective materials and
workmanship when used within the working
specications for which the products were
designed and under normal use and service.
The manufacturer assumes no responsibility
for installation, removal or unauthorized
repair of defective parts. The manufacturer’s
liability under this warranty is limited solely to
replacement or repair of defective parts and
the manufacturer will not be liable for any crop
or other consequential damages resulting
from defects or breach of warranty. THIS
WARRANTY IS EXPRESSLY IN LIEU OF
ALL OTHER WARRANTIES, EXPRESS OR
IMPLIED, INCLUDING THE WARRANTIES
OF MERCHANTABILITY AND FITNESS
FOR PARTICULAR PURPOSES AND OF
ALL OTHER OBLIGATIONS OR LIABILITIES
OF MANUFACTURER. No agent, employee
or representative of the manufacturer
has authority to waive, alter or add to the
provisions of this warranty, nor to make any
representations or warranty not contained
herein. This sprinkler may be covered by one
or more of the following U.S. Patent Numbers
6,814,305 and 6,827,291 and other U.S.
Patents pending or corresponding issued
or pending foreign patents.
R75 performance data has been obtained under ideal test conditions and may be adversely affected by wind, poor hydraulic
entrance conditions or other factors. No representation regarding droplet condition, uniformity, application rate, or suitability for
a particular application is made herein.
Nelson Irrigation Corporation
848 Airport Road,
Walla Walla WA 99362 U.S.A.
Tel: 509.525.7660
nelsonirrigation.com
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