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Form No. 3406-976 Rev A

Valve Conversion Kit

Multi Pro

®

1750 Turf Sprayer

Model No. 136-0372

Installation Instructions

The valve conversion kit is a kit that replaces the sprayer control valves and related components for a turf spray application
vehicle.

You may contact Toro directly at www.Toro.com for product safety and operation training materials, accessory information,
help finding a dealer, or to register your product.

WARNING

CALIFORNIA

Proposition 65 Warning

This product contains a chemical or chemicals known to the State of California to

cause cancer, birth defects, or reproductive harm.

Use of this product may cause exposure to chemicals known to the State of California

to cause cancer, birth defects, or other reproductive harm.

Safety

WARNING

Chemical substances used in the spray system may be hazardous and toxic to you, bystanders, animals,
plants, soils, or other property.

Carefully read and follow the chemical warning labels and material safety data sheets (MSDS) for all
chemicals used and protect yourself according to the chemical manufacturer's recommendations. For
example, use appropriate personal protective equipment (PPE), including face and eye protection,
gloves, or other equipment to guard against personal contact with a chemical.

There may be more than 1 chemical used and information on each chemical should be assessed.

Refuse to operate or work on the sprayer if this information is not available.

Before working on a spray system, ensure that the system has been triple rinsed and neutralized
according to the recommendations of the chemical manufacturer(s) and that all the valves have been
cycled 3 times.

Verify that there is an adequate supply of clean water and soap nearby, and immediately wash off any
chemicals that contact you.

© 2016—The Toro® Company
8111 Lyndale Avenue South
Bloomington, MN 55420

Register at www.Toro.com.

Original Instructions (EN)

Printed in the USA

All Rights Reserved

*3406-976* A

 

Summary of Contents for 136-0372

Page 1: ...ls or other property Carefully read and follow the chemical warning labels and material safety data sheets MSDS for all chemicals used and protect yourself according to the chemical manufacturer s rec...

Page 2: ...the operator and are located near any area of potential danger Replace any decal that is damaged or missing 127 6976 1 Decrease 2 Increase 127 6979 1 Pump return flow 3 Agitation flow 2 Flow 127 6981...

Page 3: ...ld 1 Install the valve assemblies 10 Flow meter hose 25 x 289 mm 1 x 11 3 8 inches 1 Install the flow meter and hoses 11 No parts required Connect the wire harness Handle 1 Screw 6 32 x 5 8 inch 1 Agi...

Page 4: ...nches 1 Supply hose left boom section 2 x 205 cm 3 4 x 80 13 16 inches 1 Supply hose center boom section 2 x 58 cm 3 4 x 22 13 16 inches 1 16 Supply hose right boom section 2 x 170 cm 3 4 x 66 13 16 i...

Page 5: ...Operator s Manual for the machine Important You must completely empty the sprayer tank before installing the Valve Conversion Kit 2 For machines with the optional tank rinse kit perform the following...

Page 6: ...re the battery 1 Move the machine onto a level surface engage the parking brake shut off the pump and extend the left and right boom sections to the horizontal position 2 Rotate the key switch to the...

Page 7: ...ed Procedure 1 Remove the screw that secures the 3 contact connector of the wire harness labeled RIGHT SPRAY VALVE from right spray valve Figure 6 Figure 6 1 Right spray valve 4 Spray valve connector...

Page 8: ...ove the 3 contact connector of the wire harness from the valve Figure 7 6 Repeat steps 4 and 5 for the 3 contact connectors of the wire harness labeled RATE VALVE and AGITATION VALVE 7 Remove the 5 pu...

Page 9: ...t page 47 You no longer need the supply hose and you will remove it with the agitation rate and master spray valves in 7 Removing the Agitation Rate and Master Spray Valves page 14 3 Remove the retain...

Page 10: ...prayer tank Note You no longer need the supply hose and you will remove it with the boom section valves in 5 Removing the Boom Section Valves page 11 Disconnecting the Optional Hand Spray Wand Kit 1 R...

Page 11: ...mp 3 Barbed T fitting 2 Remove the hose from the T fitting Figure 14 3 Remove the free end of the hose from the R clamp Figure 14 4 Repeat steps 1 through 3 for the supply hose at the other outer boom...

Page 12: ...alve Figure 16 3 Remove the flow meter and 2 gaskets from the valve manifolds Figure 16 Note Set the flow meter aside do not remove the electrical connector retain the flange clamps and gaskets for in...

Page 13: ...ly hoses and section valve bracket from the machine Figure 19 Note You no longer need the valves hoses and bracket Figure 19 6 Removing the Agitation Nozzles No Parts Required Removing the Agitation N...

Page 14: ...ng the Agitation Rate and Master Spray Valves No Parts Required Disconnecting the Return Sprayer Supply and Bypass Hoses 1 At the back of the machine remove the retainer that secures the 90 barbed fit...

Page 15: ...rbed fitting bypass hose 2 T fitting 6 Remove the straight barbed fitting from the T fitting Figure 25 Removing the Agitation Rate and Master Spray Valves from the Machine 1 While supporting the brack...

Page 16: ...bypass hose for the boom section valves 8 Replacing the Valve Electrical Connectors Parts needed for this procedure 6 Cable ties 5 3 pin adapter 1 4 pin adapter Preparing the Wire Harness 1 At the bac...

Page 17: ...tor harness Figure 33 Figure 33 1 Cable sheathing 70 mm 2 3 4 inches 3 Removed section of wire insulation 8 mm 5 16 inch 2 Wire splice factory made 7 Remove 8 mm 5 16 inch of insulation from the 3 wir...

Page 18: ...n adapter 3 Butt splice connector 2 DIN wire harness 4 Exposed wire 9 5 mm 3 8 inch 3 Center the crimping tool over the butt splice connector and wires and crimp the connector securely Figure 35 Figur...

Page 19: ...alve Wire color codes DIN wire harness Wire color codes 3 pin adapter Brown Pink Blue Black Yellow green White 2 Insert the wire of the DIN wire harness into the butt splice connector of the 3 pin ada...

Page 20: ...utt splice connector on the green wire of the 4 pin adapter for the rate valve Figure 39 7 Center the crimping tool over the butt splice connector and wires and crimp the connector securely 8 Use a he...

Page 21: ...ion valve Figure 43 refer to the wire table for the agitation valve Figure 43 1 3 pin adapter 3 Yellow and green wire DIN harness agitation valve 2 Butt splice connector white wire agitation valve Wir...

Page 22: ...wire harness into the butt splice connector on the white wire of the 3 pin adapter for the master spray valve Figure 45 Figure 45 1 4 pin adapter rate valve 4 White wire 3 pin adapter master spray va...

Page 23: ...ping tool over the butt splice connector and wires and crimp the connector securely 6 Align the pink wire of the 4 pin adapter for the rate valve and the pink wire of the 3 pin adapter of the agitatio...

Page 24: ...alves from the Machine page 15 3 Torque the flange head bolts to 1878 to 2542 N m 175 to 225 in lb Installing the Section Valve Manifold 1 Align the 4 holes in the bracket for the section valve with t...

Page 25: ...ifold valve s 1 With pieces of masking tape name the position of the valve actuator s as shown in Figure 51 Figure 51 1 Rate valve actuator 4 Left spray valve actuator 2 Agitation valve actuator 5 Cen...

Page 26: ...master spray valve Figure 54 Figure 54 1 Quick connect fitting master spray valve 3 Retainer 2 Quick connect fitting flow meter hose 4 Flow meter hose 4 Secure the hose fitting to the valve fitting w...

Page 27: ...Required Connecting the Electrical Connectors for the Section Valve 1 Connect the 3 pin valve harness labeled LEFT SPRAY VALVE into the 3 socket connector for the left spray valve Figure 56 Figure 56...

Page 28: ...abeled AGITATION VALVE into the 3 socket connector for the agitation valve Figure 57 3 Connect the 4 pin valve harness labeled RATE VALVE into the 4 socket connector for the rate valve Figure 57 12 As...

Page 29: ...he Eductor Shutoff Valve for Machines with the Optional Eductor Kit 1 Align the hose in the eductor shutoff bracket with the studs of the eductor shutoff valve as shown in Figure 59 Figure 59 1 Flange...

Page 30: ...the mount for the throttle valve bracket Figure 61 with 2 flange head bolts 5 16 x 3 4 inch 3 Torque the flange head bolts to 1978 to 2542 175 to 225 in lb 13 Installing the Agitation Nozzle Assembly...

Page 31: ...hose reel kit Installing the Return Hose 1 Assemble the quick connect fitting straight barbed of the return hose 2 5 x 71 cm 1 x 27 7 8 inches onto the quick coupling of the rate valve with the retai...

Page 32: ...ng the Agitation Supply Hose 1 Assemble the quick connect fitting straight barbed of the agitation supply hose 2 5 x 72 cm 1 x 28 1 4 inches onto the quick coupling of the agitation control valve with...

Page 33: ...ay Gun Kit or Electric Hose Reel Kit page 40 1 Assemble the straight barbed fitting of the bypass hose 2 5 x 110 cm 1 x 43 1 2 inches into the rear port of the T fitting at the top of the sprayer tank...

Page 34: ...t the optional eductor kit 1 Flange head bolt 5 16 x 3 4 inch machines without the optional eductor kit 1 Flange locknut 5 16 inch machines without the optional eductor kit 1 Lower supply hose 25 x 66...

Page 35: ...e 71 1 Sprayer supply hose 2 5 x 73 cm 1 x 28 7 8 inches 4 Assemble the straight barbed fitting of the sprayer supply hose into the forward left T fitting Figure 70 5 Secure the barbed fitting to the...

Page 36: ...with a retainer 3 Route the sprayer supply hose down and toward the T fitting located forward of the pressure relief valve as shown in Figure 74 Figure 74 1 Lower supply hose 25 x 66 cm 1 x 25 3 4 inc...

Page 37: ...barbed fitting of the upper supply hose to the adapter of the eductor shutoff valve Figure 76 16 Installing the Section Spray Valve Hoses Parts needed for this procedure 1 Section bypass hose 2 5 x 14...

Page 38: ...se into the bulkhead fitting Figure 77 4 Secure the 90 fitting to the bulkhead fitting Figure 77 with the retainer large that you removed in step 1 of Removing the Section Bypass Hose page 16 Installi...

Page 39: ...e 3 Secure the straight barbed fitting to the quick connect fitting with the retainer that is supplied with the hose Figure 80 Installing the Supply Hoses to the Boom Sections 1 Assemble the center bo...

Page 40: ...eel Kit Parts needed for this procedure 1 Cap and retrainer 1 Straight barbed fitting 1 2 inch 1 Quick connect fitting socket 2 Hose clamp 13 to 32 mm 1 2 to 1 1 4 inches 1 Hose 1 3 x 762 cm 1 2 x 300...

Page 41: ...the spray valve manifold Figure 84 5 Rotate the bypass manifold 180 and seat it onto the 3 quick connect fittings of the spray valve manifold Figure 85 Figure 85 1 Bypass manifold quick connect socket...

Page 42: ...ing the Supply Hose Machines with the Optional Electric Hose Reel Kit page 44 Figure 88 1 90 elbow with pressure port 5 Flanged shutoff valve 2 Tube coupler 6 Straight barbed fitting 3 4 inch 3 Gasket...

Page 43: ...fitting socket 3 Assemble the hose 1 3 x 762 cm 1 2 x 300 inches with a hose clamp 6 to 11 mm 1 4 to 7 16 inch onto the straight barbed fitting Figure 91 4 Assemble the quick connect fitting socket of...

Page 44: ...e Machines with the Optional Electric Hose Reel Kit 1 Assemble the straight barbed fitting 3 4 inch that you removed in step 3 of Installing the Shutoff Valve for the Optional Spray Gun Kit or the Ele...

Page 45: ...it or the Electric Hose Reel Kit page 42 4 Route the supply hose forward along the sprayer tank toward the hose reel Figure 96 5 Assemble the inlet hose through the support clamp at the forward strap...

Page 46: ...90 quick connect fitting 2 Assemble the 90 quick connect fitting of the section bypass hose 2 5 x 146 cm 1 x 57 1 2 inches onto the quick coupling of the bypass shutoff valve with the retainer small...

Page 47: ...ptional Eductor Kit page 9 with the flange of the eductor Figure 101 Figure 101 1 Flange eductor 5 Eductor supply hose 2 x 88 cm 3 4 x 34 11 16 inches 2 Gasket 6 Bottom port eductor shutoff valve 3 Fl...

Page 48: ...th a small retainer Figure 101 6 Tighten the flange clamp that secures the barbed fitting of the eductor supply hose to the flange of the eductor Figure 102 19 Connecting the Pressure Sense Tube No Pa...

Page 49: ...refer to Figure 4 in Disconnecting the Battery page 6 3 Move the prop rod for the seat into the slot and tilt the seat down until it latches securely Product Overview Controls Regulating Rate Control...

Page 50: ...e selector to the NEUTRAL position and set the parking brake 4 Set the 3 boom switches to the ON position but leave the master boom switch off 5 Set the pump switch to the ON position and turn on the...

Page 51: ...Valve Service Interval Yearly Select an open flat area to perform this procedure 1 Fill the spray tank with clean water 2 Verify the agitation control valve is open If it has been adjusted open it com...

Page 52: ...mp switch to the OFF position 12 Shut off the machine Maintenance Changing the Pressure Filter Screen Service Interval Every 400 hours Change the pressure filter screen Note Optional pressure filter s...

Page 53: ...Actuator page 53 2 Removing the Section Valve Manifold page 54 3 Cleaning the Manifold Valve page 55 4 Assembling the Manifold Valve page 57 5 Installing the Section Manifold Valve page 58 6 Installin...

Page 54: ...lve 1 Flange pressure filter head 5 Gasket 2 Manifold agitation valve 6 Flange adapter fitting agitation throttle valve 3 Flange agitation bypass valve 7 Flange reducer coupling 4 Flange clamp 2 Remov...

Page 55: ...utlet fitting 3 Remove the section valve manifold from the machine Figure 116 Figure 116 1 Bypass fitting 2 Section valve manifold Cleaning the Manifold Valve 1 Position the valve stem so that it is i...

Page 56: ...y 5 Outlet fitting O ring 0 737 inch 0 103 inch 11 Ball valve 6 End cap fitting 12 End cap fitting assembly 3 Turn the valve stem so that the ball is in the OPEN position Figure 117 Note The valve ste...

Page 57: ...talling the Agitation Manifold Valve 1 Align the flange of the agitation bypass valve 1 gasket and the end cap fitting flange of the agitation valve manifold Figure 121 Note If needed loosen the mount...

Page 58: ...2 4 Secure the end cap fitting to the outlet fitting by inserting a retainer into the socket of the outlet fitting Figure 122 5 Align a gasket between the flanges of the reducer coupling and the secti...

Page 59: ...ng term storage For short term storage less than 30 days clean the sprayer system refer to your Operator s Manual For long term storage longer then 30 days clean the agitation valve and the 3 section...

Page 60: ...parts and replace any that are damaged A boom valve is leaking 1 An O ring is deteriorated 1 Disassemble the valve and replace the seals using the Valve Repair Kit contact your Authorized Service Deal...

Page 61: ...Schematics Flow Diagram Rev A 61...

Page 62: ...Notes...

Page 63: ...Notes...

Page 64: ......

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