Great-plains NP4000B Operator Manual User Manual Page 36

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32 2013+ NP4000/A/B Table of Contents Index Great Plains Manufacturing, Inc.
417-199M Table of Contents Index 2014-05-14
L35. Boom Clamp
Boom Option: This fitting taps the boom for delivery
to the row. it contains an 8 psi check valve, which
prevents dribbling when the system is idle.
Seasonal clean-out (page 128) is necessary to
prevent over-winter freezing of residual material.
Booms typically have more boom clamps than
applicator rows (the same boom assembly is used
on multiple applicator models). Active rows have
nozzle bodies . Inactive stations have shutoff
caps .
L36. Shutoff Cap
Boom Option: Unused boom clamp stations are
capped. Use a gasket (with or without plate) under a
cap.
L37. Gasket
Boom Option: This flat O-ring seals the nozzle
body or shutoff cap to the boom clamp .
The inside diameter of the gasket is grooved to
accept an orifice plate . Do not operate without a
gasket.
L38. Orifice Plate
Boom Option: These stainless steel plates restrict
the flow to the row. Their function is to create
back-pressure to the pump, and ensure equal flow
at all rows.
The standard boom option includes complete sets
of plates at three sizes. Additional plate sizes are
available. The orifice size must be matched to the
rate and viscosity of the material being applied. See
page 101 for plate selection and installation.
L39. Nozzle Body
Boom Option: This fitting adapts the boom clamp to
tubing, and may be positioned for forward or rear
tubing direction.
L40. VeriFlow Nozzle (Option)
This accessory replaces components , and
with a spring-regulated valve nozzle that
requires no adjustment (or orifice plate changes)
over a wide range of flow rates.
L41. Drop Tubing
Boom Option: This tubing carries the material to the
row.
L42. Coulter Arm and Tubing
Coulter Option: The tubing is protected behind arm
structure. The arm may be adjusted for release
depth relative to coulter depth (page 90).
L43. Tine Nozzle
Coulter Option: This stainless steel fitting (part
number 828-046C) delivers the material to the
trench opened by the coulters. It has an 0.040 in.
orifice port.
L39
L36
L39 L36 L35
L38
L37 L38
L39
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