Periodic inspections

Manufacturer’s plates

Presence and position of manufacturer's plates:

• Sprayer manufacturer’s plate

• Pump manufacturer’s plate

Preliminary checks

• Visually check that the machine is clean. If necessary, clean the machine in accordance with the procedure described in the following chapter: Cleaning after treatment

• Visually check the machine for any traces of herbicides, fungicides, insecticides, or fertilizers.

• Check that the tire pressure is 1.0 bar | 14.5 psi.

• Check that all components are present and visually in good condition.

• Check that the safety-related equipment is present as described in the following chapter: Road safety devices and requirements

• Check the power take-off (PTO).

• Perform a general operating check.

Hitching

• The machine must be hitched in accordance with the procedure described in the following chapter: Hitching up

• Connect the power take-off (PTO) as shown in the following chapter: Hitching up

Fluidic system leakage

There must be no leakage from the sprayer fluidic system. Visually check the fluidic system for leaks.

Frame and support parts

Visually check that all supporting parts and the frame are in good condition, with no anomalies, extreme corrosion or other defects that could affect the operation of the machine.

Requirements for the machine

Leaks (with pump off)

1. Fill both tanks to the half of their capacity with water.

2. Keep the pump stopped.

3. Visually check that no fluid is leaking from any part of the machine.

4. Visually check the tanks for cracks, holes, or other openings through which some fluid may leak.

Leaks (with pump running and without spraying)

1. Fill both tanks with water to half their capacity.

2. Make sure that the pressure is 4.0 bar | 58 psi.

3. Visually check the machine for leaks.

Leaks (with pump running and spraying)

1. Fill both tanks to the half of their capacity with water.

2. Open the nozzles as described in chapter Nozzle check.

3. Visually check the machine for leaks.

Spraying on the sprayer

This test ensures that the machine is not spraying on itself.

1. Fill both tanks to the half of their capacity with water.

2. Visually check that no liquid is sprayed on any part of the sprayer or on any protections.

Pump

For measurements on the pump, the coupling dimensions are BSP 1 1/4″.

Spray pump flow rate

1. Open the discharge circuit at the pump level.

2. Connect a flow meter and a liquid collecting system.

3. Turn on the pump.

4. Take the flow measurement. The flow rate must be 60 l/min | 16 US gpm.

Spray pressure pulses

1. The pump pulse amplitudes are checked.

2. Sprayer control system start.

3. Check that the pressure is 3 bar | 44 psi on the tablet.

Agitators

Check that the agitation is visible (Agitation).

Spray mixture tank

Lids

Visually check that the lids of both tanks are present and in good condition.

Filling hole

Visually check that the orifices of both tanks are present and not obstructed.

Pressure compensation

Visual control of the presence and functioning of the overpressure regulation on the phytosanitary tank as well as the pressure regulation valve on the machine.

Level indicator

Visually check that the liquid level indicator in the mixture tank or in the entire tank assembly is sufficiently visible and legible from the driver's seat and from the place where the machine is filled.

Draining the mixture tank

Test both tank drain valves.

Measuring, control and regulation systems

Condition and operation

1. All instruments and controls present on the machine, which are required for measuring, regulating, and controlling the field sprayer, function properly.

2. Check whether the machine can be switched on with the ON/OFF button on the HMI.

3. Check that the tablet is working.

4. Verify that the tablet can connect to the unit's Wi-Fi.

5. Check that the pump starts by engaging the tractor's front hydraulic unit.

6. Check that the pump stops and starts by positioning the general valve horizontally and then vertically.

Start the liquid circulation in the system.

1. Check that the pressure gauge on the dispensing system indicates pressure.

2. Check that the tablet indicates pressure.

3. On the tablet, open and close all nozzles.

Accessibility

1. From the tractor cab:

   1. Check that the level indicator is legible over the entire height.

   2. Check that the distribution system pressure gauge is readable.

   3. Check that the tablet is functional.

2. On the dual tank module:

   1. Check that the pressure regulator is working by slightly changing the pressure and reading the value returned by the pressure gauge.

Operation of the ramp sections

1. Put the fluidic circuit under pressure.

2. On the app, activate Flushing mode.

3. Successively test the spray booms one by one by activating and deactivating the different 2-meter sections in the user interface on the tablet.

4. Check that the booms are spraying.

Operation of the ramp sections

Checking the speed

1. On the app, create and start a mission.

2. Drive the machine at a constant speed over a straight distance.

3. Check that the speed displayed in the app corresponds to the speed shown on the tractor dashboard (deviations of about ± 0.5 km/h | 0.31 mph are normal).

Checking the pressure gauge

1. Install a reference pressure gauge on the pressure gauge T-piece (thread size: G1/4″).

2. Start the pump.

3. Compare the readings of the machine pressure gauge and the reference pressure gauge.

Checking the pressure sensor on the left-hand boom

1. Install a reference pressure gauge on the boom T-piece.

2. Start the pump.

3. Compare the pressure value displayed in the app with the reading on the reference pressure gauge.

Nozzle flow control

1. Switch on the liquid circulation.

2. Drain the system (see Bleeding Air from the Circuit).

3. Place a graduated cylinder under a nozzle.

4. Open the nozzle for one minute.

5. Check the collected volume.

 

Pressure controller

1. Switch on the liquid circulation.

2. Drain the system (see Bleeding Air from the Circuit).

3. Read the pressure value displayed in the app.

4. Open the entire boom.

5. Read the pressure value displayed in the app and compare it with the previous value.

Pressure gauge

Presence

1. Visually check that the distribution system pressure gauge is present.

2. Check in the app that the left-hand boom pressure sensor is returning a value.

Diameter of the analog pressure gauge

Check that the diameter of the distribution system pressure gauge is at least 63 mm | 2.48 in.

Scale

1. Check that the pressure gauge has a full-scale range of 6 bar | 87 psi.

2. Check that the pressure gauge has graduations of 1 bar | 14.5 psi.

Readability

Check that the pressure gauge on the dispensing system is clearly visible from the tractor cab.

Hoses and pipes

Condition of hoses and pipes

• Visually check that all connections are correct.

• Check that the maximum bending limits are not exceeded (Technical data).

• Check that there are no leaks.

• Check that the hoses and pipes are in good condition and not swollen.

Filters

Filter list

• Water tank filter basket

• Spray mixture tank filter basket

• Suction filter

• Section filter

Tests

For all filters listed above:

• Visually check that the filters are present.

• Check their condition.

• Check that the mesh sizes are appropriate.

• Check that the filters can be replaced if necessary.

Spray boom and nozzle attachment

Stability of the spray boom in the horizontal direction

For each of the two booms:

1. Lower the booms to the minimum position using the provided switches.

2. Visually check that the booms are horizontal.

3. Raise the booms to the maximum position using the provided switches.

4. Visually check that there is no excessive play when the booms are raised.

Structural defects

For each of the two booms:

• Check for excessive looseness by pulling and pushing the boom by hand.

Nozzle spacing

For each of the two booms:

1. Lower the booms to the minimum position using the provided switches.

2. Check that the distance between each nozzle is 2 cm | 0.8 in.

Nozzle orientation

1. Adjust the boom height so that the lower ends of the nozzles are 20 cm | 7.87 in from the ground.

2. In the app, press the Priming button.

3. Visually check that the spray jets are vertical.

Height difference (vertical gap)

1. Adjust the boom height so that the lower ends of the nozzles are 20 cm | 7.87 in from the ground.

2. Check that the distance to the ground is the same for all nozzles.

Deviations in the horizontal plane

For each of the two booms:

1. Lower the booms to the minimum position using the provided switches.

2. Visually check that the booms are not bent in the horizontal plane.

Height adjustment

1. Check that the height adjustment switches on the booms are functional.

2. Visually check that the booms remain stable after height adjustment.

Damping, balance correction and stabilization in the vertical plane

Visually check that the booms move smoothly up and down.

Pressure-compensated return

If the machine is equipped with a pressure regulation system:

• Measure the spray pressure on the pressure gauge 10 seconds after closing a boom.

• The pressure variation must not exceed ±10% when the sections are closed one by one.

Functional test:

• With the full spray boom open, close the booms one at a time and read the spray pressure displayed in the app (Performing a treatment).

Nozzles

Equivalence

Visually check that all nozzles are of the same type.

Drop by drop

5 seconds after the spray pressure is turned off, no more than 2 ml | 0.07 fl oz will flow out of the nozzles.

1. Activate the Priming mode.

2. Deactivate the Priming mode.

3. Place a graduated cylinder under a nozzle.

4. Wait for 5 seconds.