1. Manuals
  2. Brands
  3. New Leader Manuals
  4. Spreader
  5. NL720 RBR
  6. Operator's manual

New Leader NL720 RBR Operator's Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
1330 76TH Ave SW
Cedar Rapids, IA 52404-7052
Phone: (800) 363-1771
www.NewLeader.com
NL720 RBR
Operator's Manual
Unit Serial No. __________________________________
Manual Number: 602650-A
Effective 02/2024
Serious injury or death can result from the failure to read, understand, and follow instructions
provided in this manual. Before using this equipment, read, understand and follow all
instructions in this Operator's Manual as well as the chassis operator's manual supplied by
your chassis manufacturer.
Copyright 2024 New Leader Manufacturing

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the NL720 RBR and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for New Leader NL720 RBR

Summary of Contents for New Leader NL720 RBR

  • Page 1 Serious injury or death can result from the failure to read, understand, and follow instructions provided in this manual. Before using this equipment, read, understand and follow all instructions in this Operator’s Manual as well as the chassis operator's manual supplied by your chassis manufacturer. Copyright 2024 New Leader Manufacturing...

  • Page 2: Serial Plate Location

    NL720 RBR Serial Plate Location Serial Plate (See below.) WARNING: Operating, servicing, and maintaining NLM spreaders can expose you to chemicals including nickel which are known to the State of California to cause cancer. To minimize exposure, service and maintain your spreader in a well-ventilated area, wear all appropriate protective equipment, and otherwise abide by all safety protocols as outlined in the Operator’s...

  • Page 3: Table Of Contents

    NOTE: The information contained within this manual was current at the time it was published. Some information is subject to change to ensure the best performance of the unit. New Leader Manufacturing reserves the right to make changes in materials or design of the product and its manual at any time without notice.

  • Page 4: Warranty

    BASIC WARRANTY HIGHWAY EQUIPMENT COMPANY d/b/a NEW LEADER MANUFACTURING ("Highway") has manufactured or is distributing the Product/Genuine Parts to which this warranty is attached, and warrants to its original reseller including Dealers, Distributors and Original Equipment Manufacturers (hereafter called Dealer) that the Product/Genuine Parts will, under normal conditions of use and service, be free from material defects due to faulty manufacturing for a period of six (6) months from the date of delivery to the original user.

  • Page 5: Introduction And Intended Use

    The NL720 is a hopper-type fertilizer spreader that If, for any reason, you do not understand the instructions, is intended for commercial use only. Hydraulically please call your authorized dealer or the New Leader powered, it provides independent variable speed control Manufacturing (NLM) Product Sales and Support for the spinner and automatic ground speed control for Department at 1-888-363-8006.

  • Page 6: Common Terms

    NL720 RBR Common Terms Following are common terms used in this manual. • Stake: Side support for machine walls. Bin 1: The bin closest to the cab. • • Waterfall: Covers the conveyors at the rear of the unit and delivers material from the conveyors Bin 2: The bin closest to the spinners.
  • Page 7 NL720 RBR Inverted V See previous page for Conveyor definitions. Lift Hook Bin 1 Rear Endgate Conveyor Motors Bin 2 Screen Lift Hooks Lift Hooks Rear Endgate Front Endgate Stake Sight Window Stake Waterfall Assembly Spinner Deflector Spinner Deflector Spinner Motors...

  • Page 8: Safety

    NL720 RBR Accidents Hurt!!! Accidents Cost!!! Accidents Can Be Avoided!!! Safety Important Safety Information General Safety Requirements The following general safety requirements apply to When operating this equipment, you are the overall use and maintenance of this machine. responsible for your own safety and the In addition to this safety section, you must also refer safety of those around you.

  • Page 9: Protect Against Noise

    NL720 RBR Handle Flammable Materials Safely Work in Well-Ventilated Area Fig. 4: Handle fuel and Never run machine engine inside a building hydraulic oil with care. They unless adequate ventilation is provided to are highly flammable. safely and properly remove exhaust fumes.

  • Page 10: Transportation & Handling

    NL720 RBR Fig.10: Keep away from spinners view mirrors are properly installed and adjusted. while they are turning. Use a signal person when backing if view is obstructed or when in close quarters. Rocks, scrap metal and other material can be thrown from Always disengage hydraulics before shutting down the spinners violently.

  • Page 11: Maintenance

    Never modify any equipment or add attachments not Perform work using flammable fluids and solvents in a approved by New Leader Manufacturing. safe place away from open flame and sparks. Do not smoke.
  • Page 12 • Avoid breathing dust from sanding or grinding on paint. Use only service parts meeting New Leader • If a solvent or paint stripper is used, wash specifications. stripper away with soap and water before heating or welding.

  • Page 13: Storage

    NL720 RBR Handle Batteries Safely Support Machine Properly Fig. 27: When machine is Sulfuric acid in battery electrolyte is removed from vehicle, always poisonous. It can burn skin, eat holes in store on adequate supports on clothing, and cause blindness if it contacts eyes.

  • Page 14: Safety And Informational Decals

    (see the instructions below). Safety decals or signs are available from your dealer’s Parts Department or from New Leader Manufacturing by calling (800) 363-1771 Instructions: Affixing Safety Decals 1. Clean the placement surface with soapy water or surface cleaning solution and allow it to dry.
  • Page 15 NL720 RBR 3. Decal #304264 (on the hydraulic tank) 4. Decal #312276 www.NewLeader.com Safety | 15 602650-A...
  • Page 16 NL720 RBR Safety Decals This section shows the location of each safety decal on the unit along with a reproduction of the decal. Decals with two part numbers vary in size due to their location on the unit. DANGER FLYING MATERIAL & ROTATING...
  • Page 17 NL720 RBR 3. Decal #364 7. Decal #368 and 8. Decal #308192 DANGER FLYING MATERIAL & ROTATING SPINNER HAZARD To prevent death or serious injury: Wear eye protection. Stop machine before servicing or adjusting. Keep bystanders at least 60 feet away.

  • Page 18: Installation

    NL720 RBR Pump and truck requirements must be determined prior to installation of the spreader. Installation The NL720 is installed by the tractor/chassis manufacturer. Refer to your chassis manual and contact your authorized dealer if you desire to remount your unit or move it to a different chassis.

  • Page 19: Mounts

    NL720 RBR Mounts Fig. 30, Connection B: • Factory Supplied Power Connector - Refer to the chassis operator’s manual for specific procedures on tightening mounting Deutsch part no. DTP04-4P-L012. hardware. Failure to follow the procedure • Connects to: Mating Connector - Deutsch per chassis manufacturer may result in part no.
  • Page 20 NL720 RBR Conveyor Control Valve Fig. 32: Connect hydraulic hoses to the appropriate port(s), as shown below: Return Pressure Control C. Load Sense Fig. 32 See the next page for general information to properly route and tension a hydraulic hose. (Instructions are used with the permission of The Weatherhead Company.

  • Page 21: Hydraulic Hose Installation: General Information

    NL720 RBR Hydraulic Hose Installation: General Information 1. Use elbows and adapters in the installation to relieve 2. Install hose runs to avoid rubbing or abrasion. strain on the assembly, and to provide easier and Clamps are often needed to support long runs of neater installations that are accessible for inspection hose or to keep hose away from moving parts.

  • Page 22: General Operating Procedures

    NL720 RBR Drive only at speeds that permit secure control of the vehicle. Always travel at or below the maximum safe travel speed outlined in the operator's manual of your chassis. CHANGE THE HYDRAULIC OIL FILTER AFTER THE FIRST WEEK (OR NOT MORE THAN 50 HOURS) OF OPERATION.

  • Page 23: Catch Testing

    NOTE: We highly recommend using a calibration chute (Fig. 33) to simplify the catch test process and get accurate results. The calibration chute fits all NL720 conveyor bottoms. Contact your local New Leader dealer for details. Fig. 37 4. Position an end loader or other suitable catching Fig.

  • Page 24: Spreader Preparation

    NL720 RBR (18. An Operator must complete spread pattern testing Select an area for testing measuring at least 240 feet x per the instructions in this manual each time a new or 300 feet (37 m x 61 m), and with a slope of less than two different material is spread because product quality degrees.

  • Page 25: Spread Pattern Test Results

    NL720 RBR 11. Continue following the instructions in the controller to complete the spread pattern testing procedure. See "Spread Pattern Test Results" for possible outcomes and next steps. Adjustments are Conveyors Conveyors automated based on the accurate input of the distribution of the material in the vials.

  • Page 26: Lubrication & Maintenance

    NL720 RBR Shut off all power and allow all moving parts to come to rest before performing any maintenance operation. The lubricant distributor and/or supplier is to be held responsible for results obtained from their products. Procure lubricants from distributors and/or suppliers of unquestionable integrity, supplying known and tested products.

  • Page 27: Hydraulic Hose Installation

    NL720 RBR Clean Spinner Control Valve Fig. 44: Clean assembly by Fig. 47: Connect your hydraulic hoses to the appropriate blowing out with clean compressed port(s), as shown below: air. Assemblies may be rinsed with Return mineral spirits if the tube stock is Pressure Control compatible with oil.

  • Page 28: Conveyor Belt

    NL720 RBR Over-tensioning of conveyor belt will lead to excessive load on the system, causing excessive belt and sprocket wear and can cause extremely high starting pressures. Under-tensioning will result in interrupted flow of material to the spinners. Conveyor Belt Stay out of the hopper body.

  • Page 29: Clean-Up

    NL720 RBR Clean-Up Use caution when cleaning the control components! High-pressure wash can inject water or fertilizer into these components, causing damage. Thoroughly wash the unit every two to three days during the operating season to maintain minimal maintenance operation. Hose the unit down under pressure to free all sticky and frozen material.

  • Page 30: Spinner Deflectors

    NL720 RBR Spinner Deflectors Waterfalls Inspect spinner deflectors (Fig. 55) daily for build-up of Do not enter the platform if the unit is material and damage. running. Shut off all power and allow all moving parts to come to rest before Clean as needed.

  • Page 31: Chute Bushings

    Extreme environments or dirty conditions may require the use of different oils. Consult your authorized dealer or the Product Support Department at New Leader Manufacturing for systems operating outside normal conditions. Lubricant Specifications Ideal Oil Operating Temp 115-158°F (46.11-70°...

  • Page 32: Standard Torques

    NL720 RBR STANDARD TORQUES NATIONAL COARSE (NC) CAPSCREWS Standard Torques Conveyor Gearcase Lubrication Instructions 1. Drain oil in a new unit after the first two weeks (or not Cap Screw Grade Identification – Markings on Head: CAPSCREW GRADE IDENTIFICATION - MARKINGS ON HEAD more than 100 hours) of operation and flush the gear case thoroughly with light oil.

  • Page 33: Hydraulic Flow Chart

    NL720 RBR Hydraulic Flow Chart www.NewLeader.com Maintenance | 33 602650-A...

  • Page 34: Troubleshooting

    NL720 RBR Troubleshooting If you encounter symptoms not listed or issues that require testing and further assessment, please contact your authorized dealer. Symptom Reason Correction Verify spinner switch is on. No voltage at valve Verify controller has a target spinner RPM entered.

Table of Contents