This attachment maintains consistent distances from the boom nozzles to the ground when spraying over uneven surfaces and is intended to be used by professional, hired operators in commercial applications. It is primarily designed for spraying golf course applications, parks, sports fields, and on commercial grounds. It is designed to only be used in conjunction with machines designated by the manufacturer.
This product complies with all relevant European directives. For details, please see the separate product specific Declaration of Incorporation (DOI) sheet.
Important: To install of this kit, you must purchase and install the separate ultra sonic boom finishing kit. Order the following finishing kit for your machine:
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Multi Pro 1750 Machines—finishing kit Part No. 130-8227 |
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Multi Pro 5800 Machines—finishing kit Part No. 130-8229 |
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Multi Pro WM Machines—finishing kit Part No. 133-2808 |
Note: Determine the left and right sides of the machine from the normal operating position.
Clean the exterior of the machine and sprayer; refer to the Operator’s Manual for your machine.
Move the machine to a level surface, shut off the engine, set the parking brake, and remove the key.
If you leave the key in the ignition switch, someone could accidently start the engine and seriously injure you or other bystanders.
Remove the key from the ignition switch before you install the kit.
Disconnect the negative-battery cable from the battery; refer to the Operator’s Manual for your machine.
Parts needed for this procedure:
| Hinge | 2 |
| Angled strap (machines without covered booms) | 2 |
| Angled strap (machines with covered booms) | 2 |
| Top or bottom strap | 2 |
| Compression spring | 4 |
| Bushing | 8 |
| Bolt (5/16 x 3-1/4 inches) | 4 |
| Flat washer | 12 |
| Locknut (5/16 inch) | 4 |
Note: Assembly of the sensor mounting hardware depends upon whether the Covered Boom Kit (Model 41602) is installed.
Lay out the hinges and straps as shown in Figure 2 (for an uncovered boom) or Figure 3 (for a covered boom).
Note: There are 2 sets of 2 angled straps in loose parts. One set is for an uncovered boom and the other set is for a covered boom. You will have one set of 2 angled straps (either for the covered boom or for the uncovered boom) that you will not use on the machine.
Note: The top straps for the uncovered booms also serve as the bottom straps for the covered booms.
Insert the bushings into the welded tube openings in the hinges and straps as shown in Figure 2 or Figure 3.
Install a flat washer on each of the 2 bolts (5/16 x 3-1/4 inches).
Insert the bolts through the hinged welded tube openings, hinges, and straps as shown in Figure 4 or Figure 5.
Install a flat washer on the exposed end of each of the bolts (Figure 4 or Figure 5).
Install a spring on the end of each bolt (Figure 4 or Figure 5).
Install a flat washer and a locknut on the end of each bolt (Figure 4 or Figure 5), and tighten the locknuts until there is no slack in the spring.
Note: Check to ensure that the hinges are not so tight that the mounted sensors do not freely pivot on the hinges.
Important: Operating the spray system with the boom-hinge springs under the incorrect compression could damage the boom assembly. Measure the springs and use the jam nut to compress the springs to 36 mm (1.40 inches), if necessary.
Use another person or lifting equipment to support the boom while adjusting the spring height of the boom hinge.
Extend the outer booms to the spray position (horizontal).
Support the booms while you are adjusting the spring height.
At the pivot bracket and hinge for the outer boom, adjust the jam nut for the upper spring until the compressed spring height measures 36 mm (1.40 inches).
Adjust the jam nut for the lower spring until the compressed spring height measures 36 mm (1.40 inches).
Repeat steps 3 and 4 for the upper and lower springs at the other outer boom.
At the boom hinge, measure the compression of the upper and lower springs while the booms are in the extended position (Figure 6).
Compress all springs until they measure 36 mm (1.40 inches).
Use the jam nut to compress any spring that measures greater than 36 mm (1.40 inches).
Note: You will need 2 wooden blocks about 10 cm (4 inches) in height for this procedure.
The booms are set at the factory to travel downward no farther than the horizontal position. To enable the ultrasonic boom kit to maintain a consistent distance between the nozzles and the ground when the ground slopes downward from the machine, you must adjust the boom support system to allow the booms to travel below the horizontal position to maintain a constant nozzle-to-ground distance.
Raise the booms and have them rest in the transport cradle.
At the pivot brackets of the outer-boom sections, remove the hairpin and clevis pin that secures the rod end for the lift cylinder to the pivot bracket (Figure 7).
Note: There should be no more than 16 mm (5/8 inch) of exposed thread on the eyelet to prevent the engaged threads from stripping and the rod from pulling away.
Carefully lower the outer-boom sections onto wooden blocks about 10 cm (4 inches) high as shown in Figure 8.
Start the machine and fully extend the lift cylinders.
Loosen the jam nuts at the rod ends for each lift cylinder (Figure 7).
Adjust the rod end for the lift cylinders end until the hole in the rod ends align with the holes in the pivot brackets for the boom sections (Figure 7).
At each pivot bracket, secure the rod end to the bracket with the clevis pin that you removed in step 2.
Secure the cotter pins to the pivot brackets with the hairpin cotters (Figure 7) that you removed in step 2.
Tighten the jam nut at each rod until the nuts are snug (Figure 7).
Parts needed for this procedure:
| Hydraulic manifold block | 1 |
| Straight-hydraulic fitting | 4 |
At the back of the sprayer, label the hoses at port-P and port-T of the lift-cylinder manifold (Figure 9).
Remove the hoses from the straight-hydraulic fittings at port-P and port-T of the lift-cylinder manifold (Figure 9).
Remove the straight-hydraulic fittings from port-P and port-T of the old lift-cylinder manifold (Figure 9).
Remove the diagnostic fitting and cap from port-G of the old lift-cylinder manifold (Figure 10)
At the new lift-cylinder manifold, assemble the straight-hydraulic fittings (Figure 11) that you removed in step 3 into port-P and port-T.
Assemble the 4 straight-hydraulic fitting from the ultra sonic boom leveling kit into ports C1, C2, C3, and C4 of the new lift-cylinder manifold (Figure 11).
Assemble the diagnostic fitting and cap that you removed in step 4 into port-G of the new lift-cylinder manifold (Figure 11).
If installed, remove the hydraulic block cover plate from the lift-cylinder manifold.
Label all the hoses connected to the lift-cylinder manifold (ports C1, C2, C3, and C4), and disconnect them from the cylinder manifold (Figure 12).
Disconnect the rear-wire harness connectors from the solenoids of the lift-cylinder manifold (Figure 12).
Remove the lift-cylinder manifold from the mounting bracket by removing 2 bolts and 2 locknuts (Figure 12).
Note: Save the 2 bolts and 2 locknuts.
Replace the mounting bracket for the lift-cylinder manifold; refer to the installation instructions for the ultra sonic boom finishing kit.
Multi Pro 1750 models—finishing kit Part No. 130-8227
Multi Pro 5800 models—finishing kit Part No. 130-8229
Multi Pro WM models—finishing kit Part No. 133-2808
Install the new lift-cylinder manifold onto the mounting bracket with the 2 bolts and 2 locknuts that you in step 4.
Install all the hoses onto the fittings of the lift-cylinder manifold as follows:
The tank hose (3/8 inch) from the return filter connects to the “T” port
The pressure hose (3/8 inch) connects to the “P” port.
The hoses (1/4 inch) from the extend ports of the boom-lift cylinders connect to C1 and C3 ports of the lift-cylinder manifold.
The hoses (1/4 inch) from the retract ports of the boom-lift cylinders connect to C2 and C4 ports of the lift-cylinder manifold.
Important: Ensure that you install the hoses correctly.
Purge the hydraulic system. Refer to the Operator’s Manual.
Note: You will connect the wire harness from the ultra sonic boom kit to the solenoids of the lift-cylinder manifold in Connecting the Wire Harness at the Boom-Lift Manifold.
Parts needed for this procedure:
| Boom-cradle arm | 2 |
| Caps | 2 |
The new boom-cradle arms allow the booms to fold up without contacting each other, preventing any possible damage to the sensors mounted on the booms.
Remove the 2 boom-cradle arms by removing the bolt and nut (Figure 14).
Note: Save the bolts and nuts to install the new boom-cradle arms.
Install each new boom-cradle arm and secure it with the bolt and nut that you previously removed.
Parts needed for this procedure:
| Sonic-boom sensor | 2 |
| Bracket | 2 |
| Programming plug | 2 |
| Sensor cover | 2 |
| Lower sensor housing | 2 |
| Cap tube | 2 |
| Sensor-guard bracket | 2 |
| Sensor cable (4 m) | 2 |
| Large nut | 4 |
| U-bolt | 6 |
| Locknut (1/4 inch) | 8 |
| Bolt (5/16 x 3/4 inch) | 8 |
| Bolt (5/16 x 1-1/4 inches) | 4 |
| Locknut (5/16 inch) | 12 |
| Cable tie | 12 |
Install a mounting bracket on the front side of each boom near the outermost nozzle (Figure 15 and Figure 16) with 3 U-bolts and 6 locknuts (1/4 inch) .
Install the sensor guard bracket onto the mounting bracket with 2 bolts (5/16 x 3/4 inch) and 2 flange nuts (5/16 inch) as shown in Figure 17.
Install the sensor mounting hardware onto the sensor guard bracket with 2 bolts (5/16 x 3/4 inch) and 2 locknuts (5/16 inch) as shown in Figure 18 (for an uncovered boom) or Figure 19 (for a covered boom).
Repeat steps 1 through 3 for the outer-boom section at the other side of the machine.
Note: Refer to Before storage for installation of the dust cap.
Install the lower sensor housing onto the sensor mounting hardware (Figure 20) with 2 bolts (5/16 x 1-1/4 inches) and 2 locknuts (5/16 inch).
Install the sensor as follows:
Assemble a large nut onto the sensor (Figure 21).
Insert the sensor into the lower sensor housing (Figure 21).
Adjust the nut until the sensor is flush with the bottom of the lower housing.
Assemble the other large nut onto the sensor (Figure 21).
Torque the nut to 18 to 22 N∙m (13 to 16 ft-lb).
Note: Discard the lock washers that come with the sensors.
Install the programming plug on the sensor (Figure 22).
Important: Ensure that you align the arrow below the sideways “T” with the notch on the top edge of the sensor (Figure 22).
Repeat steps 1 through 3 for the outer-boom section at the other side of the machine.
Connect the round 4-socket connector of the sensor-wire harness for the 4-pin connector of the sensor (Figure 23).
Route the sensor-wire harness along the front of the outer-boom section, through the support clamp, and to the 4-socket connector of the wire harness from the ultra sonic boom finishing kit—forward of the lift-cylinder manifold (Figure 24).
Connect the 4-pin connectors for the left and right sensor-wire harnesses to the 4-socket connector of the wire harness for the ultra sonic boom finishing kit (Figure 24) labeled LEFT SONIC SENSOR and RIGHT SONIC SENSOR.
Install the upper housing over the sensor and onto the lower housing (Figure 25).
Note: Ensure that the sensor wire is routed through the small opening in the cover before seating the upper housing.
Secure the wire coming from the sensor to the boom with cable ties (Figure 24).
Important: Allow enough slack in the wire around the sensor so that the sensor can freely pivot on the hinge without pulling on the wire.
Repeat steps 1 through 5 for the outer-boom section at the other side of the machine.
Note: For covered booms only: The sensors should not detect the boom cover as this may interfere with the signal. If you experience any difficulties during the calibration process, check the sensors to ensure that their signals do not detect the boom cover.
At the front of the lift-cylinder manifold, connect the 4 electrical connectors of the wire harness for the sonic boom to the solenoids for controlling boom lift as shown in Figure 26.
At the back of the lift-cylinder manifold, connect the 2 electrical connectors of the wire harness for the sonic boom to the solenoids for controlling sonic enable as shown in Figure 27.
Parts needed for this procedure:
| Electronic controller | 1 |
| Bolt (1/4 x 1-1/8 inch) | 4 |
| Locknut (1/4 inch) | 4 |
Route the wire harness for the sonic boom to the hydraulic manifold.
Connect the 50-socket connector of the wire harness for the sonic boom to the 50-pin connector of the electronic controller, and secure the connectors with the socket-head screw (Figure 28).
Note: The controller electrical connection is keyed and can be connected only 1 way.
Torque the socket-head screw to 2.7 to 3.2 N-m (24 to 28 in-lb).
Align the electronic controller to the interior of the controller cover with the lower outboard mounting holes of the controller aligned with the holes in the lower rear flange of the cover (Figure 29)
Assemble the controller to the cover with 2 bolts (1/4 x 1-1/8 inches) and 2 flange locknuts (1/4 inch) as shown in Figure 29.
Remove the 2 flange locknuts (5/16 inch) that secure the mounting bracket of the ultra sonic boom finishing kit from the cylinder mount (Figure 30).
Note: Leave the mounting bracket assembled to the cylinder mount.
Assemble the controller cover (Figure 30) onto the flange-head bolt (5/16 x 1 inch) at the lower forward holes in the cover, and loosely secure the cover, bracket and mount with the 2 flange locknuts (5/16 inch) that you removed in 3.
Assemble the 2 bolts (1/4 x 1-3/8 inches) through the upper holes in the mounting bracket (ultra sonic boom finishing kit), rear flange (controller cover), and controller (Figure 30) with the 2 flange locknuts (1/4 inch).
Torque the 5/16 flange-head bolt and flange nuts to 1978 to 1243 N∙cm (175 to 225 in-lb).
Torque the 1/4 flange-head bolt and flange nuts to 1017 to 2542 N∙cm (90 to 110 in-lb).
Rotate the operator and passenger seats forward and secure the seats with the prop rods.
For 2015 and before machines—locate the knockout plug between the inboard operator and passenger seat-belt halves, and remove the knockout plug from the console base (Figure 32).
Assemble the electronic controller to the mounting bracket (Figure 32) with the 4 bolts (1/4 x 1-1/8 inch) and 4 locknuts (1/4 inch).
Torque the nuts and bolts to 1017 to 1243 N∙cm (90 to 110 in-lb)
Route the 50-socket connector of the wire harness for the sonic boom as follows:
For 2015 and before machines—the branch of the wiring harness with the 50-socket connector is routed through the opening in the console base that you made in step 2; refer to the installation instructions for the ultra sonic boom finishing kit.
For 2015 and after machines—the branch of the wiring harness with the 50-socket connector is routed through the large grommet in the console base; refer to the installation instructions for the ultra sonic boom finishing kit.
Connect the 50-socket connector of the wire harness for the sonic boom to the 50-pin connector of the electronic controller, and secure the connectors with the socket-head screw (Figure 33).
Note: The electrical connection for the controller is keyed and can be connected only 1 way.
Torque the socket-head screw to 2.7 to 3.2 N-m (24 to 28 in-lb).
Parts needed for this procedure:
| Rocker switch (illuminated) | 1 |
| Cable tie | 12 |
If installed, remove the 4 flange-head bolts (1/4 x 1/2 inch) that secure the panel cover to the top of the console as shown in Figure 34.
Remove the switch plug from the panel cover of the console (Figure 34).
Align the 8-socket connector of the wiring harness of the ultra sonic boom finishing kit through the opening in panel cover (Figure 34).
Connect the 8-socket connector of the wiring harness of the ultra sonic boom finishing kit labeled SONIC MODE MANUAL VS. AUTO to the rocker switch (Figure 34).
Insert the rocker switch in the dash panel opening until the switch snaps securely (Figure 34).
Align the holes in the panel cover to the holes in the top of the console (Figure 34).
Secure the panel to the console with the bolts (Figure 34) that you removed in step 1.
Remove the switch plug in the dash panel at the location shown in Figure 35.
Connect the 8-socket connector of the wiring harness of the ultra sonic boom finishing kit labeled SONIC MODE MANUAL VS. AUTO to the rocker switch (Figure 35).
Insert the rocker switch in the dash panel opening until the switch snaps securely (Figure 35).
Note: Align the tail of the switch down.
If installed, remove the 4 flange-head bolts (1/4 x 1/2 inch) that secure the control panel to the console as shown in Figure 36.
Remove the switch plug from the control panel of the console (Figure 36).
Align the 8-socket connector of the wiring harness of the ultra sonic boom finishing kit through the opening in control panel (Figure 36).
Connect the 8-socket connector of the wiring harness of the ultra sonic boom finishing kit labeled SONIC MODE MANUAL VS. AUTO to the rocker switch (Figure 36).
Insert the rocker switch in the control panel opening until the switch snaps securely (Figure 36).
Note: Align the tail of the switch down.
Align the holes in the control panel to the holes in the top of the console (Figure 36).
Secure the panel to the console with the bolts (Figure 36) that you removed in step 1.
Remove the 4 flange-head bolts (1/4 x 1/2 inch) that secure the switch panel to the center console, and lift the panel (Figure 37 or Figure 28).
Disconnect the 8-socket connectors of the machine-wire harness from the boom-lift switches (Figure 37 or Figure 38).
Note: If additional clearance is needed, remove the boom-lift switches from the switch panel.
Connect the rocker switches into the 8-socket connectors of the wiring harness for the ultra sonic boom finishing kit (Figure 37 or Figure 38).
Note: Ensure that the sonic-boom harness connector labeled LEFT ACTUATOR SWITCH is aligned with the left switch opening in the switch panel.
If you removed the switch(es) from the switch panel, insert the boom-lift switch(es) into the openings in the center-console panel until the switch(es) snaps securely.
Align the holes in the switch panel with the frame of the console (Figure 37 or Figure 38).
Secure the side cover on the center console with the 4 flange-head bolts (1/4 x 1/2 inch) (Figure 37 or Figure 38) that you removed in step 1.
Remove the 5 flange-head bolts (1/4 x 3/4 inch) that secure the right-side cover to the center console (Figure 39).
Remove the rocker switches for the left and right boom-lift controls from the center-console panel (Figure 39).
Disconnect the 8-socket connectors of the wiring harness for the machine from the boom-lift switches for the left and right boom-lift control circuits (Figure 40).
Note: Tuck the connectors for the wire harness for the machine alongside the harness.
Connect the rocker switches into the 8-socket connectors of the wiring harness for the ultra sonic boom finishing kit (Figure 40).
Note: Ensure that the sonic-boom harness connector labeled LEFT ACTUATOR SWITCH is aligned with the left switch opening in the center-console panel.
Insert the boom-lift switches in the openings in the center-console panel until the switches snap securely (Figure 40).
Align the holes in the right-side cover with the frame of the center console (Figure 39).
Secure the side cover on the center console (Figure 39) with the 5 flange-head bolts (1/4 x 3/4 inch) that you removed in step 1.
Connect the negative-battery cable to the battery; refer to the Operator’s Manual for your machine.
For Multi Pro 1750 and Multi Pro 5800 machines, rotate down the seats.
Once you initiate the controller processor for calibration, you will have 20-seconds to calibrate the sensors on the booms. The distance you set between the sensor on each boom and the ground after the 20-second calibration period is the boom height setting in automatic mode until the next time you calibrate the sensor.
Note: For uncovered booms: The default height setting is 51 cm (20 inches) from the nozzle to the ground. If, after setting a boom to a height different from that of the factory default setting, you wish to restore the calibration to the factory-default setting, calibrate the boom with the boom in the cradle. For covered booms: The default height setting of 51 cm (20 inches) is for uncovered booms only. You must calibrate the sensors on covered booms.
Ensure that the turf sprayer is parked and away from any trees, buildings, vehicles, debris, and underground utilities and plumbing.
Lower the booms to the horizontal position.
Turn off the ignition key.
Press the sonic-boom switch to the ON position (Figure 41, Figure 42, or Figure 43).
While pressing and holding both the left boom-lift control switch to the LOWER position and the right boom-lift control switch to the RAISE position, turn the ignition key and start the machine.
Release the boom switches.
Note: The indicator light on the sonic-boom switch will flash rapidly, indicating that the sonic boom system is in calibration mode. You now have 20 seconds to use the Raise and Lower boom switches to set the desired distance between the booms to the ground. After the 20 seconds, the indicator light flashes slowly.
Raise and lower the outer-boom sections using the boom-lift control switches to adjust the height of each boom until you achieve the desired distance between the tip of the boom and the ground.
Important: Raise the booms one at a time. This prevents the booms contacting each other preventing any possible damage to the sensors mounted on the booms.
Important: When the booms are stowed in the cradle for extended periods of time, cover each sensor (aligned upward) with a dust cap to prevent ultraviolet light from damaging the sensors. Prevent the bottom of the sensors from being exposed to direct sunlight whenever possible; refer to Before storage.
The sonic-boom switch is located on the dashboard and has 2 settings: automatic mode and manual mode.
The automatic mode enables the machine to control the outer boom position, thereby continually positioning the boom-tip height at the desired distance from the ground.
The manual mode turns off the automatic boom-position adjustment, and allows you to change the booms boom height manually.
Note: The sonic boom indicator light (Figure 44, Figure 45, or Figure 46) illuminates on the sonic-boom switch, and indicates the status of the sonic boom system as follows:
On continuously: The sonic boom system is active and operating normally.
Flashing quickly: The system is in calibration mode, which lasts for 20 seconds.
Flashing slowly: There is either an error in the system or you have overridden the automatic mode by operating a boom or both booms manually while the system is in automatic mode.
Note: If there is a fault in the sonic boom system (e.g., there is no signal coming from a sensor), the boom raises for a few seconds and then stops, and the light on the boom switch (located on the dashboard) flashes slowly—indicating that control of a boom or both booms has stopped.
Press the sonic-boom switch (Figure 44, Figure 45, or Figure 46) to the ON position.
Note: The light on the sonic-boom switch illuminates.
Use the boom-lift control switch (Figure 44, Figure 45, or Figure 46) to lower boom to the desired distance from the ground.
To override the automatic mode boom position, perform the following:
Note: You can temporarily override the automatic operation of the booms using the boom-lift control switches (Figure 44, Figure 45, or Figure 46) to raise or lower a boom or both booms.
Lower the boom(s) manually, by pressing and holding the boom-lift control switch(s) to the LOWER position until the outer boom(s) lowers to the desired height.
Raise the boom(s) manually by pressing and holding the boom-lift control switch(s) to the RAISE position until the outer boom(s) raises to the desired height.
Note: If you adjust only 1 boom, the other boom continues to function in the automatic mode.
To resume the automatic mode, momentarily press the boom-lift control switch(s) to the LOWER position (Figure 44, Figure 45, or Figure 46) to allow the sonic-boom controller to position the boom-tip height at the desired distance from the ground.
Important: When operating the machine over especially uneven terrain, reduce the ground speed to prevent the booms from striking the ground.
Clean the sensors periodically with a damp cloth. If a sensor is damaged or excessively dirty, replace it.
Important: Do not spray water at or on the sensors. Water sprayed under even household pressure can damage the sensor. Always cover the sensors completely before washing the sprayer.
Whenever you are not using the ultra sonic boom system for an extended period, cover the sensors with the dust caps to protect them from the outdoor elements.
Install the cap onto the bottom of the lower housing (Figure 47).
Repeat step 1 for the sensor at the other outer-boom section.
Note: Refer to the service manual for additional diagnostic information. Product electrical schematics may be found at www.Toro.com.
| Problem | Possible Cause | Corrective Action |
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| 1 or both boom(s) are malfunctioning, and the sonic boom light is off. |
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| 1 or both boom(s) are malfunctioning, and the sonic boom light flashes slowly. |
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| 1 or both boom(s) are malfunctioning, and the sonic boom light is on. |
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