Introduction
The MT-2405F™ II is an electronic control system designed to optimize the application rates of liquid chemicals and fertilizers, enhancing yield and cost-effectiveness. It supports both English and Metric measurements and requires careful installation and operation as per the manual.
Warranty Information
Micro-Trak offers a warranty for defects in materials or workmanship for one year, extendable to three years for certain components upon registration. Exclusions apply for expendable parts and damages due to misuse or unauthorized modifications.
System Layout and Installation
The manual provides detailed instructions on system layout, including inline and bypass plumbing, component assembly, and electrical installation. Key components include the display console, speed sensor, flowmeter, and various valves. Proper installation is crucial for optimal performance.
Calibration and Operation
Calibration involves setting up the system for English or Metric units, entering calibration values, and configuring speed sensors. The manual outlines procedures for pre-field system checks and operational guidelines, including console functions and switch operations.
Troubleshooting
A comprehensive troubleshooting section addresses common issues, providing messages, warnings, and a plumbing troubleshooting chart to assist users in diagnosing and resolving problems.
Conclusion
The MT-2405F™ II aims to provide efficient and profitable operation for agricultural applications, with a focus on quality and performance at a low cost. Users are encouraged to register their product for extended warranty benefits.
Table of Contents Overview
The document provides a comprehensive guide on the MT-2405F II system, including appendices covering various installation kits, calibration procedures, and system layouts. Key sections include the Boom Shut-off Relay Kit, Speed Sensor Mounting, and Flowmeter Calibration.
System Layouts
The MT-2405F II system is detailed with in-line and bypass plumbing layouts. Key components include the switch box, boom valves, speed sensor, and flowmeter. Notably, some items like the boom valves and wiring are not included with the system.
Component Parts and Assembly Hardware
Before installation, verify the presence of essential components such as the console mount kit, extension cables, and speed sensor kit. The document lists part numbers for easy identification.
Installation Procedures
Mounting the Display Console: Choose a location that is visible and accessible, avoiding direct sunlight and high temperatures. Use the provided hardware to secure the console.
Electrical Installation: Connect the MT-2405F II to a 12-volt DC negative ground system. Ensure proper grounding and use a 4-amp in-line fuse for unprotected circuits. The system's non-volatile memory retains data without constant power.
Universal Switch Harness
This section explains connecting the MT-2405F II to existing boom control switches. It supports up to five boom switches, with detailed instructions on using moisture-resistant tap connectors.
Speed Sensor Installation
For radar or GPS speed sensors, refer to Appendix I. Magnetic speed sensors can be installed on non-driven wheels or drive shafts, with guidelines on magnet spacing and polarity.
Appendices
Detailed appendices provide additional instructions for specific components and configurations, such as the NH3 system layout, radar adapter cables, and conversion charts.
Installation and Setup
The document provides detailed instructions for the installation and setup of the MT-2405F II system, focusing on the proper placement and connection of magnets and sensors. Magnets must be evenly spaced around the wheel or drive shaft, with a minimum distance of 1 inch apart. The speed sensor is mounted directly over the magnet, ensuring a constant spacing between the magnets and the sensor tip.
Speed Sensor Installation
Components required include the speed sensor cable, magnets, mounting bracket, and cable ties. The number of magnets varies based on wheel circumference, with specific configurations provided for both English and metric measurements. The speed sensor cable, identified by its green body, connects to a 3-pin connector marked with a yellow cable tie.
Sensor Options
The MT-2405F II system can interface with various speed sensing equipment, including GPS and radar sensors. Options include the Astro GPS Speed Sensor and Vansco Radar Speed Sensor, each offering specific advantages in terms of installation and performance.
Flow Sensor Installation
The flowmeter must be installed in the main boom line, away from intense vibration and at least 12 inches from the servo valve. The flow sensor cable, with a green body, connects to the main harness cable marked with a green tie.
Valve and Flowmeter Setup
Instructions are provided for installing pressure relief valves and range adjust valves to manage pump output and system pressure. The servo valve should be installed in an unrestricted return line, with specific calibration required for bypass or inline operations.
Console Functions
The MT-2405F II console features a liquid crystal display for monitoring various parameters such as volume, rate, and area. Calibration modes allow for setting flow rates and target application rates.
Maintenance and Precautions
Recommendations include storing the console in a cool, dry location when not in use and ensuring the flowmeter is not exposed to excessive pressure or temperature. Specific chemicals may damage the turbine, and users are advised to consult chemical manufacturers if in doubt.
Overview
The document provides detailed instructions for operating and calibrating the MT-2405F II console, which is used for managing agricultural spraying equipment. It includes sections on specifications, calibration procedures, and operational guidelines.
Specifications
The MT-2405F II console can display information in either American English or Metric units. It is factory-programmed for English but can be switched to Metric mode. The console includes features such as distance measurement, area/hour display, speed calibration, and flow calibration.
Calibration Procedures- Entering Calibration Mode: To enter calibration mode, the vehicle must be stopped, and all booms turned off. The 'cal' button is held until the 'cal' icon appears. Calibration can be done while moving, but it is not recommended.
- Calibration Values: Users can adjust various calibration values such as target rate, adjust rate, flow calibration, minimum flow, width calibration, and speed calibration. Each value is adjusted using the '+' and '-' buttons.
- Speed Calibration: The speed calibration involves determining the circumference of the sensor-equipped wheel and dividing by the number of magnets installed. Fine-tuning is recommended for optimal accuracy.
- Flow Calibration: This is used to calibrate the flow meter for accurate liquid measurement. The flow calibration value is specific to the solution being used.
Operational Guidelines- Mode Selection: The console can operate in automatic or manual mode, with the ability to switch between the two using the Auto/Man key.
- Resetting Counters: To reset counters such as distance, total flow, or area, the system must be in hold or all booms turned off, and the 'reset' key pressed for three seconds.
- Warning Indicators: A warning light indicates over or under-application of 10% of the target rate and is also lit during calibration.
Special Calibration Mode
This mode is used to set system parameters that rarely need adjustment. It is accessed by holding the Auto/Man and Cal buttons while turning the console on. Parameters include units, valve voltage, material, valve response speed, and auto shutoff settings.
Important Notes- Switching between English and Metric modes may alter previously entered calibration values.
- Calibration must be exited to save any changes made.
- Test speed allows for pre-field checks by simulating ground speed without actual movement.
Valve Voltage and Material Selection
The system allows selection between 8 and 12 volts for the servo valve, with a factory setting of 12 volts. For older Micro-Trak servo valves, 8 volts is recommended. Material selection is between liquid (H2O) and anhydrous ammonia (NH3), with specific instructions for NH3 provided in an appendix.
Valve Response and Calibration
Valve response speed can be adjusted from -2 to 3 to optimize system performance with different valve speeds. Caution is advised when increasing speed for fast valves to avoid instability. Special calibration settings can be saved by exiting the calibration mode.
Tank Settings
The system allows setting the tank size and alarm set points. The tank size can be set from 1 to 65,535 units, and the alarm set point triggers a warning when the tank level is low.
Auto Shutoff and Delay
Auto shutoff can be enabled to minimize flow when the system is on hold. A delay can be set from 0 to 4 seconds to accommodate slow ball valves.
Pre-Field System Checkout
Before spraying, a pre-field system checkout is recommended to ensure proper valve settings and nozzle selection. This involves setting maximum and minimum application speeds and adjusting valves to achieve desired application rates. The system should be checked with clean water before using chemicals.
Operation Modes
The MT-2405F II system can operate in manual or automatic mode. In manual mode, the application rate is adjusted with buttons, while in automatic mode, the system maintains the calibrated rate despite speed changes. The system can be turned on/off via the ignition switch or an optional switch kit.
Console Display and Controls
The console displays various operational data based on the rotary switch position. The run/hold switch controls boom activation, and the auto/manual button toggles control modes. In automatic mode, the system requires a speed signal to operate booms.
Overview
The document provides detailed instructions and specifications for operating the MT-2405F II console, focusing on its various modes, controls, and troubleshooting procedures.
Control Modes
The console operates in automatic ('auTo') and manual ('Man') modes. In 'auTo' mode, the target application rate can be adjusted using the '+' and '-' buttons, which modify the rate by a calibrated adjust rate (Delta). In 'Man' mode, these buttons control the servo valve to adjust the application rate.
Boom Switches
The system monitors boom switches to calculate the application area based on active boom widths. The console displays which booms are active when the rotary switch is set to 'raTE' or 'arEa/Hour'.
Rotary Switch Functions
The rotary switch allows users to view different functions such as area covered, distance traveled, application rate, and tank volume. Each function is associated with specific display settings and operational modes.
Warning Device
A red warning light alerts users when the application rate deviates by more than 10% from the target rate or when the tank level is low. It also indicates when the console is in calibration mode.
On-the-Go Delta Rate Adjustments
This feature allows real-time adjustments to the application rate using the '+' and '-' buttons, provided the console is in 'auTo' mode and the rotary switch is set to 'raTE'.
Resetting System Counters
The document outlines procedures for resetting area, distance, and volume counters. It emphasizes using the '+' button to select counter sets and warns against using the '-' button, which clears counters.
Troubleshooting
The document includes a troubleshooting section addressing common issues such as power problems, inaccurate readings, and sensor malfunctions. It provides specific steps for diagnosing and resolving these issues.
Important Notes
Users are advised not to open the console due to warranty protection. Many operational issues are attributed to installation or operational errors rather than equipment failure.
Specifications and Setup
Ensure all MT-2405F II cables are kept away from the radio, its antenna, and power cables to prevent interference. Avoid placing cables near ignition wires or install an ignition suppressor. Reroute cables away from electric solenoids and air conditioning clutches.
Calibration and Display Issues
Check the Valve Speed calibration number if the rate overshoots or oscillates. Adjust the Valve Speed setting if necessary. Ensure the console is in the correct measurement mode (English or metric). Reset counters if they read 'OFL' due to exceeding maximum count.
Troubleshooting System Operation
For sluggish automatic mode operation, verify the Valve Speed setting. Test the console by connecting it to a known working harness or E-PoP display stand. Use an ohmmeter or continuity tester to check the harness.
Electrical Interference and Power Issues
Route wires away from ignition wires and inductive loads to prevent erratic operation. Check the power source with MT-101 or a test light. Ensure accessory power wires are not open or shorted.
Sensor and Component Testing
Test Hall-effect sensors by grounding pin C and connecting 12 volts to pin B. Use an ohmmeter to check resistance changes when exposed to magnetic poles. For radar speed sensors, follow a series of steps to check voltage and response.
Console Inputs and Flowmeter
Test speed, flow, and remote run/hold inputs by checking voltage and using jumper wires to simulate sensor signals. Ensure the flowmeter turbine spins freely and registers flow.
Servo Valve and Plumbing
Test the servo valve with a known working console or a 9-volt battery. Ensure proper plumbing to avoid pressure drops and ensure optimal performance. Follow guidelines for pump inlet, agitation, servo, and flowmeter lines.
Plumbing Troubleshooting
Address issues like pressure loss, insufficient pressure adjustment, and pressure fluctuations by checking for air-locks, restrictions, and proper valve settings. Ensure hoses are appropriately sized and supported to prevent sagging and kinking.
Valve Adjustments
Adjust tank shut-off, agitation shut-off, and pressure relief valves for optimal operation. Ensure valves are fully open during operation and adjust pressure relief valves to avoid excessive pressure.
Plumbing Guidelines- Range Adjust Valve: Used when the pump is oversized. It allows liquid to bypass the pump to prevent system overload. Start with the valve closed and adjust based on throttle valve settings.
- Throttle Valve: Controls high-end limits to enhance servo performance. Begin with it fully open and adjust to maintain desired pressure levels. A needle valve is recommended over a ball valve for ease of adjustment.
- Relief Solenoid Valve: Optional component to prevent excessive pressure when boom valves are off.
Flowmeter Assembly- Assembly Instructions: Ensure proper placement of the turbine and o-ring. Tighten screws evenly and check for a rattling sound to confirm correct assembly.
- Cleaning and Maintenance: Disassemble carefully for cleaning. Use warm water and mild detergent, avoiding solvents. Inspect for wear and replace parts as necessary.
Electrical System- Remote Run/Hold Sensor: Controls solenoid valves based on console status. Requires a relay kit for proper operation.
- Wiring Instructions: Detailed steps for connecting relay wires to the solenoid control switch box.
Appendices- Speed Sensor Installation: Instructions for mounting speed sensors on various vehicle types, ensuring proper spacing and alignment.
- Calibration Procedures: Steps for fine-tuning speed and distance calibration values, with and without a run/hold switch.
Distance Calibration Procedure
1. Measure a distance of 1000 feet (500 meters) and mark the start and end points.
2. With the console on, set the run/Hold switch to Hold and ensure the display shows 0. Reset if necessary.
3. Drive the course, using a vehicle marker to start and stop the distance counting function.
4. Activate the distance counting by switching to Run at the start marker and to Hold at the end marker.
5. Enter calibration mode by holding the 'cal' key, adjust the displayed distance using '+' or '-' keys to match the actual distance driven.
6. Verify calibration by repeating the procedure and record the calibration number for future reference.
Flowmeter Calibration Procedure
1. Fill the sprayer tank with at least 100 gallons of water.
2. Purge air from lines by running the pump and turning on booms.
3. Reset the volume counter on the console.
4. Run a known amount of water through the system.
5. Compare the console's volume reading with the actual amount of water used.
6. If necessary, enter calibration mode and adjust the flowmeter calibration value to match the actual volume.
7. Record the new calibration value for future reference.
Installation and Setup
Console and Switch Box Mounting
- The console can be mounted using a suction cup or a magnetic plate.
- Ensure the console is connected to a 12-volt DC electrical system.
Speed Sensor Installation
- Connect the speed sensor cable to the main harness using the correct connectors.
- Ensure proper connection to avoid errors in speed and flow measurements.
NH3 Specific System Layout
- Install the NH3500 plumbing panel on the applicator, ensuring proper hose lengths to prevent kinking.
- Use NH3 compatible thread sealing compounds for all pipe fittings.
- Ensure the manifold hose is properly connected to the servo valve outlet.
Pre-Installation Procedures
Before installing the liquifier plumbing panel, remove it from the shipping board and reposition the mounting bracket for easy access to the strainer clean-out plug. Ensure all brackets rest flat on the mounting surface and tighten carriage bolts once aligned.
Liquifier Kit Installation
Remove existing metering valves and install a new manifold if necessary. Ensure no positive shut-off valves are between the liquifier kit shut-off valve and the knives. Attach the plumbing panel to the tool bar frame and connect hoses appropriately, checking for proper lengths to avoid kinking.
Vapor Tube Installation
Connect the supplied vapor hoses to the steel vapor tubes, ensuring enough length to prevent kinking. Secure hoses with clamps and cable ties. Weld steel vapor tubes to the back of liquid tubes, ensuring electronic equipment is disconnected before welding.
Electrical Connections
Use the main wiring harness designed for anhydrous ammonia applicators, connecting it to the main plumbing panel harness with optional extension cables if needed.
Console Functions in NH3 Mode
The console calculates rates and totals in lbs. (kg) of nitrogen or anhydrous ammonia. Enter standard calibration mode by turning off the shutoff valve and pressing the cal button. Adjust calibration factors for accurate measurements.
Calibration Factors for NH3
Enter the flow cal value from the flowmeter's metal tag and fine-tune as necessary. Set the target rate and adjust rate for on-the-go changes. Enter a minimum flow rate to prevent applying below recommended rates.
Setting Tool Bar Width
Measure the working width accurately for precise application rates. Exit calibration by pressing and holding the CAL button.
Fine Tuning Speed/Distance Calibration
Perform this procedure on a straight, level tract of ground similar to actual field conditions. Measure a 1000 feet (500 meters) distance and adjust the calibration value based on the actual distance driven.
Fine Tuning Flowmeter Calibration
Start with a full nurse tank and apply at least 1,000 pounds of NH3. Compare the console's volume reading with the known amount applied and adjust the flowmeter calibration value if necessary.
Flowmeter Calibration Procedure
1. Begin with a full nurse tank and ensure accurate weight measurement. Apply at least 1,000 pounds of NH3 for calibration accuracy.
2. With the valve switch off, select the desired volume/area counter using the “+” button and reset the display to 0.0.
3. Apply NH3 in the field until at least 1,000 pounds have been used, then weigh the partially used tank to determine the calibration weight.
4. Compare the console’s volume reading with the known NH3 amount. If the difference exceeds 2-3%, proceed with calibration.
5. Enter calibration mode by holding the cal button until the red warning light activates. Adjust the total flow value to match the NH3 run using the “+” or “-” buttons.
6. Record the new flowmeter calibration value for future reference.
7. Exit calibration by holding the cal button until the warning light turns off.
System Operation and Troubleshooting
- Ensure equipment is in good condition and follow safety precautions.
- Operate the system in manual mode until the application rate stabilizes before switching to auto mode.
- Maintain adequate manifold pressure (15-60 PSI) to prevent vapor bubbles and ensure accurate readings.
- Regularly clean the strainer and check vapor tubes for obstructions.
- In hilly conditions, ensure the nurse tank dip tube remains submerged to avoid erratic operation.
- Frost build-up location can indicate system performance issues; clean the strainer to prevent excessive pressure drop.
Flowmeter Maintenance
- Opening the flowmeter voids the calibration value but may be necessary for cleaning or obstruction removal.
- Disassemble the flowmeter by removing bolts and cleaning the turbine and housing.
- Reassemble carefully, ensuring the turbine spins freely and the unit is properly sealed.
- Follow the manual procedure to verify flowmeter accuracy after reassembly.
Safety Warnings
- Always wear protective gear when handling NH3 equipment.
- Use anti-seize thread compound and thoroughly bleed hoses before disconnection.
- Completely evacuate NH3 apparatus before servicing.
Appendices
- Various ball valve configurations and radar adapter cables are detailed for wiring assistance.
- A conversion chart provides English to Metric and Metric to English conversions for measurements.
- Replacement parts are available from Micro-Trak Systems, with part numbers and descriptions provided.
Product List and Specifications- Flowmeters:
- 13269 FM500 Flowmeter
- 11501 FM750 GFn Flowmeter
- 10131 FM750 SS Flowmeter
- 10899 FM750n Flowmeter - nH3 only
- 14348 FM1500n Flowmeter - nH3/liquifier
- Harnesses:
- 13758 Power, servo, boom universal harness
- 13757 Run/hold, speed, flow harness
- Kits:
- 13824 Terminal Block Kit
- 01559 Relay Kit (for auto Boom Shutoff)
- 14360 MT-2405F II Power (on/off) Switch Kit
- Servos:
- 14958 nH3500 Servo
- 14959 Liquifier Servo
- 21353 nH3 Servo Gear-head assembly
- Extension Cables: Optional 2-Pin, 3-Pin, and 10-Pin Metri-Pack 150 extension cables available in lengths of 5, 10, 15, 20, and 25 feet.
Additional Information- The console mount kit is only available as a complete kit; individual components are not sold separately.
- Parts and design specifications are subject to change without notice.
Manufacturer Information- Manufactured in the U.S.A. by Micro-Trak Systems, Inc.
- Address: 111 E. LeRay Avenue / P.O. Box 99 / Eagle Lake, MN 56024-0099
- Contact: Toll-Free: (800) 328-9613, Phone: (507) 257-3600, Fax: (507) 257-3001
- Website: www.micro-trak.com
- Email: [email protected]
Copyright Information- © 2005-2012 Micro-Trak Systems, Inc.
- Printed in U.S.A.
- Part Number: 14904 Rev D