Multi Pro® 1750 Turf Sprayer

The engine is shipped with oil in the crankcase; however, the level of oil must be checked before you first start the engine and after you have run it.

1. Position the machine on a level surface.

2. Remove the dipstick and wipe it with a clean rag (Figure 11).

3. Insert the dipstick into the tube and make sure that it is seated fully. Remove the dipstick and check the oil level.

   

   Figure 11

   1. Filler cap
   2. Dipstick

4. If the oil level is low, remove the filler cap from the valve cover (Figure 11) and pour oil into the opening until the oil level is up to the FULL mark on the dipstick; refer toServicing the Engine Oil for the proper oil type and viscosity.

   Note: Add the oil slowly and check the level often during this process. Do not overfill.

5. Install the dipstick firmly in place.

Fill the tires with air to 138 kPa (20 psi). Also, check the tires for wear or damage.

Note: Replace any worn or damaged tires.

Note: Refer to the nozzle-selection guide that is available through your authorized Toro distributor.

The nozzle-turret bodies can accept up to 3 different nozzles. To select the desired nozzle, perform the following:

1. Stop the sprayer on a level surface, shut off the engine, and engage the parking brake.

2. Set the master section switch to the OFF position and set the spray-pump switch to the OFF position.

3. Rotate the turret of the nozzles in either direction to the correct nozzle.

4. Perform a sprayer flow calibration; refer to Calibrating the Sprayer Flow.

5. Perform a section bypass valve calibration; refer to Calibrating the Section-Bypass Valves.

Standard Equipment: 50 mesh suction filter (blue)

Use the suction filter table to identify the screen mesh for the spray nozzles you are using based on chemicals products or solutions with a viscosity equivalent to water.

Suction Filter Table

Important: When you spray with higher viscosity (thicker) chemical products or solutions with wettable powders, you may need to use an coarser screen mesh for the optional suction filter; refer to Figure 13.

Figure 13

Mesh size—chemical or solution viscosity

1. Higher-viscosity chemicals or solutions
2. Lower-viscosity chemicals or solutions
3. Screen mesh size

When you spray at a higher application rate, consider using a courser optional suction-filter mesh; refer to Figure 14.

Figure 14

Mesh size—application rate

1. Higher application rate
2. Lower application rate
3. Screen mesh size

Available screen sizes include:

Standard Equipment: 50 mesh suction filter (blue)

Use the pressure filter table to identify the screen mesh for the spray nozzles you are using based on chemicals products or solutions with a viscosity equivalent to water.

Pressure Filter Table

Important: When you spray with higher viscosity (thicker) chemical products or solutions with wettable powders, you may need to use a coarser screen mesh for the optional pressure-filter; refer to Figure 15.

Figure 15

Mesh size—chemical or solution viscosity

1. Higher-viscosity chemicals or solutions
2. Lower-viscosity chemicals or solutions
3. Screen mesh size

When you spray at a higher application rate, consider using an courser optional pressure-filter mesh; refer to Figure 16.

Figure 16

Mesh size—application rate

1. Higher application rate
2. Lower application rate
3. Screen mesh size

Note: The use the optional nozzle-tip filter to protect the spray-nozzle tip and increase its service life.

Use the nozzle-tip filter table to identify the screen mesh for the spray nozzles you are using based on chemicals products or solutions with a viscosity equivalent to water.

Nozzle-Tip Filter Table

Important: When you spray with higher viscosity (thicker) chemical products or solutions with wettable powders, you may need to use a coarser screen mesh for the optional tip-filter; refer to Figure 17.

Figure 17

Mesh size—chemical or solution viscosity

1. Higher-viscosity chemicals or solutions
2. Lower-viscosity chemicals or solutions
3. Screen mesh size

When you spray at a higher application rate, consider using an courser tip-filter mesh; refer to Figure 18.

Figure 18

Mesh size—application rate

1. Higher application rate
2. Lower application rate
3. Screen mesh size

Before using the sprayer for the first time, if you change the nozzles, or as needed, calibrate the sprayer flow.

Operator supplied equipment: A stop watch capable of measuring ± 1/10 second and a container graduated in 50 ml (1 fl oz) increments.

Before using the sprayer for the first time, if you change the nozzles, or as needed, calibrate the sprayer speed.

Important: Whenever possible, do not use reclaimed water (gray water) in the spray tank.

1. Fill the tank with clean water.

2. On an open, flat area, mark off a distance between 45 to 152 m (150 to 500 ft).

   Note: Toro recommends marking off 152 m (500 ft) for more accurate results.

3. Start the engine and drive to the start of the marked-off distance.

   Note: Align the center of the front tires with the starting line for the most accurate measurement.

4. On the InfoCenter, navigate to the Calibration menu and select SPEED CAL.

   Note: Selecting the Home Screen icon at any time cancels calibrations.

5. Select the Next arrow (→) on the InfoCenter.

6. Using the plus (+) and minus (-) symbols, enter the marked-off distance into the InfoCenter.

7. Shift the machine into first gear and drive the marked distance in a straight line at full throttle.

8. Stop the machine at the marked-off distance and select the check mark on the InfoCenter.

   Note: Slow down and roll to a stop to align the center of the front tires with the finish line, for the most accurate measurement.

   Note: Calibration is now complete.

Before using the sprayer for the first time, if you change the nozzles, or as needed, calibrate the sprayer section bypass

Important: Select an open flat area to perform this procedure.

1. Sit in the operator's seat, insert the key into the ignition switch, and rotate the key clockwise to the RUN position.

2. Press the clutch and move the range selector to the NEUTRAL position.

3. Ensure that the pump switch is in the OFF position.

4. If the engine is cold, pull the choke knob up.

   Important: Do not use the choke if the engine is warm.

5. Turn the key to the START position until the engine starts.

   Important: Do not hold the key in the START position for more than 10 seconds. If the engine has not started after 10 seconds, wait 1 minute before trying again. Do not attempt to push or tow the sprayer to start the engine.

6. Once the engine starts, push the choke knob down slowly.

1. Release the parking brake.

2. Fully press the clutch pedal.

3. Move the gear shift lever to first gear.

4. Release the clutch pedal smoothly while pressing the accelerator pedal.

5. When the machine gains enough speed, remove your foot from the accelerator pedal, fully press the clutch pedal, move the gear shift lever to the next gear and release the clutch pedal while pressing the accelerator pedal. Repeat the procedure until the desired speed is attained.

   Important: Always stop the machine before shifting from a forward gear to reverse or from reverse to a forward gear.

   Note: Avoid long periods of engine idling.

   Use the chart below to determine the ground speed of an empty machine at 3,400 rpm.

   Gear	Ratio	Speed (km/h)	Speed (mph)
   1	66.4:1	5.6	3.5
   2	38.1:1	9.8	6.1
   3	19.6:1	19.2	11.9
   R	80.7:1	4.7	2.9

   Note: Leaving the ignition switch in the ON position for long periods of time without running the engine will discharge the battery.

   Important: Do not attempt to push or tow the machine to get it started. Damage to the drive train could result.

Note: You must have the parking brake and spray pump on and the range selector in the NEUTRAL position to set the throttle lock.

1. Press down on the accelerator pedal to obtain the desired engine speed (rpm).

2. Toggle the throttle lock switch on the control panel to the ON position.

3. To release the throttle lock, toggle the switch to the OFF position, or press the brake or clutch pedal.

Note: Before setting the speed lock, you must sit in the operator’s seat with the parking brake off, the pump on, and the range selector in gear.

1. Press down on the accelerator pedal to obtain the desired engine speed.

2. Toggle the speed lock switch on the control panel to the ON position.

3. To release the speed lock, toggle the switch to the OFF position, or press the brake or clutch pedal.

1. Press the clutch and apply the brake to stop the sprayer.

2. Pull the parking-brake lever up and back to set it.

3. Move the range selector out of gear into the NEUTRAL position.

4. Turn the ignition key to the STOP position.

5. Remove the key from the switch to prevent accidental starting.

Important: To ensure that your solution remains well mixed, use the agitation feature whenever you have a solution in the tank. For agitation to work, you must have the pump on and the engine running above an idle. If you stop the machine and need agitation, set the parking brake, turn the pump on, press the accelerator pedal to floor, and switch the throttle lock to the ON position.

1. Lower the sections into position.

2. Set the spray-pump switch to the ON position.

3. Set the master-section switch in the OFF position, set the 3 section switches to the ON position.

4. Drive to the location where you will be spraying.

5. Set the master-section switch to the ON position to begin spraying.

   Note: The InfoCenter shows the sections with the spray on.

   Note: When the tank is nearly empty, the agitation may cause foaming in the tank. To prevent this, turn the agitation valve off. Alternatively, you can use an anti-foaming agent in the tank.

6. Use the rate switch to adjust and set a target.

7. When finished spraying, set the master-section switch to the OFF position to turn off all sections, then set the pump switch to the OFF position.

1. Park the machine on a level surface.

2. Use the boom-section lift switches to lower the outer sections.

   Note: Wait until the outer spray sections reach the full, extended spray position.

1. Park the machine on a level surface.

2. Use the boom-section lift switches to raise the outer spray sections, until they have moved completely into boom-section transport cradles forming the “X” transport position, and the lift cylinders are fully retracted.

   Important: Release the boom-section lift switch(es) once the outer spray sections have reached the desired position. Running the actuators against the mechanical stops may damage the lift cylinders and/or other hydraulic components.

   

   Figure 27

   “X” transport position

Important: To prevent damage to the lift cylinder, make sure that the actuators are fully retracted before transporting the machine.

The sprayer is equipped with boom-section transport cradles that have a unique safety feature. In the event the spray section accidentally contacts with a low overhead object while in the transport position, you can push the spray section(s) out of the transport cradles. If this occurs, the spray sections come to rest in a near horizontal position to the rear of the machine. While this movement will not damage the spray sections, they should be immediately positioned into the transport cradle.

Important: The spray sections can be damaged by transporting them in any position other than the “X” transport position using the boom transport cradle.

To put the outer spray sections back into the transport cradle, lower the spray section(s) to the spray position and then raise the spray section(s) back to the transport position. Make sure that the lift cylinders are fully retracted to prevent damaging the actuator rod.

1. Park the machine on a level surface, engage the parking brake, shut off the pump, shut off the engine, and remove the key.

2. At the top of the sprayer tank, remove the retainer that secures the hose fitting attached to the large hose from the filter housing (Figure 29).

   

   Figure 29

   1. Suction hose
   2. Retainer

3. Remove the hose and hose fitting from the filter housing (Figure 29).

4. Pull the suction strainer out of the filter housing in the tank (Figure 30).

   

   Figure 30

   1. Screen vane
   2. Suction strainer

5. Clean the suction filter with clean water.

   Important: Replace the filter if it is damaged or cannot be cleaned.

6. Insert the suction filter into the filter housing until the filter is fully seated.

7. Align the hose and hose fitting to the filter housing at the top of the tank, and secure fitting and housing with the retainer that you removed in step 2.

1. Park the machine on a level surface, engage the parking brake, shut off the sprayer pump, shut off the engine, and remove the key.

2. Align a drain pan under the pressure filter (Figure 31).

   

   Figure 31

   1. Filter head
   2. Gasket (bowl)
   3. Filter element
   4. Gasket (drain plug)
   5. Drain cap
   6. Bowl

3. Rotate the drain cap counterclockwise and remove it from the bowl of the pressure filter (Figure 31).

   Note: Allow the bowl to drain completely.

4. Rotate the bowl counterclockwise and remove the filter head (Figure 31).

5. Remove the pressure filter element (Figure 31).

6. Clean the pressure filter element with clean water.

   Important: Replace the filter if it is damaged or cannot be cleaned.

7. Check the gasket for the drain plug (located inside the bowl) and the gasket for bowl (located inside the filter head) for damage and wear (Figure 31).

   Important: Replace any damaged or worn gaskets for the plug, bowl, or both.

8. Install the pressure filter element into the filter head (Figure 31).

   Note: Ensure that the filter element is firmly seated into the filter head.

9. Install the bowl onto the filter head, and tighten by hand (Figure 31).

10. Assemble the drain cap onto the fitting at the bottom of the bowl, and tighten the cap by hand (Figure 31).

1. Park the machine on a level surface, engage the parking brake, shut off the sprayer pump, shut off the engine, and remove the key.

2. Remove the nozzle from the spray turret (Figure 32).

   

   Figure 32

   1. Spray turret
   2. Nozzle filter
   3. Nozzle

3. Remove the nozzle filter (Figure 32).

4. Clean the nozzle filter with clean water.

   Important: Replace the filter if it is damaged or cannot be cleaned.

5. Install the nozzle filter (Figure 32).

   Note: Ensure that the filter is fully seated.

6. Install the nozzle onto the spray turret (Figure 32).

7. Repeat steps 2 through 6 for the other spray nozzles.

1. Rotate the diaphragm cap counterclockwise and remove the cap from the nozzle body (Figure 33).

   

   Figure 33

   1. Diaphragm cap
   2. Check-valve diaphragm
   3. Nozzle body

2. Remove the check-valve diaphragm from the cap or nozzle body (Figure 33).

3. Clean the cap, diaphragm, and nozzle body with clean water (Figure 33).

4. Assemble the diaphragm into the cap with the nib of the diaphragm toward the cap (Figure 33).

   

   Figure 34

   1. Nib (diaphragm)

5. Assemble the cap and diaphragm to the nozzle body and tighten by hand (Figure 33).

6. Repeat steps 1 through 5 for the other spray nozzles.

Use a trailer or truck when moving the machine long distances.

• Use full-width ramps for loading the machine onto a trailer or truck.

• Tie outer spray sections to the boom-section transport cradles.

• Bind the machine securely to the transport vehicle; Figure 35 illustrates the tie-down loops of the machine.

Figure 35

1. Front tie-down loop
2. Rear tie-down loops

In case of an emergency, you can tow the sprayer for a short distance. However, do not use this as a standard procedure.

Towing the sprayer is a 2-person job. If you must move the machine a considerable distance, transport it on a truck or trailer; refer to Transporting the Sprayer.

1. Attach a tow line to the frame.

2. Put the range selector in the NEUTRAL position and release the parking brake.

3. Tow the sprayer at less than 8 km/h (5 mph).

1. Set the parking brake, stop the pump, shut off the engine, and remove the ignition key.

2. Release the latch on the back of the seat and lift the seat forward.

3. Clean around the air cleaner to prevent dirt from getting into the engine and causing damage (Figure 40).

   

   Figure 40

   1. Air-cleaner cover
   2. Knob
   3. Cover nut
   4. Cover
   5. Foam element
   6. Paper element
   7. Rubber seal
   8. Air-cleaner base

4. Loosen the knob on the air-cleaner cover and remove the cover (Figure 40).

5. Carefully slide the foam element off the paper element (Figure 40).

6. Unscrew the cover nut and remove the cover and paper element (Figure 40).

1. Wash the foam element in liquid soap and warm water.

2. When the element is clean, rinse it thoroughly.

3. Dry the element by squeezing it in a clean cloth.

4. Put 30 to 59 ml (1 to 2 fl oz) of oil on the element (Figure 41).

   Important: Replace the foam element if it is torn or worn.

   

   Figure 41

   1. Foam element
   2. Oil

5. Squeeze the element to distribute the oil.

Inspect the paper element for tears, an oily film, damage to the rubber seal, excessive dirt, or other damage (Figure 42). If any of these conditions exist, replace the filter.

Important: Do not clean the paper element with pressurized air or liquids, such as a solvent, gasoline, or kerosene.

Figure 42

1. Paper element
2. Rubber seal

Important: To prevent engine damage, always operate the engine with the complete foam and paper air-cleaner assembly installed.

1. Carefully slide the foam element onto the paper air-cleaner element (Figure 40).

2. Slide the air-cleaner assembly and cover onto the long rod.

3. Install the cover nut finger-tight against the cover (Figure 40).

   Note: Ensure that the rubber seal is flat against the air-cleaner base and cover.

4. Install the air-cleaner cover and knob (Figure 40).

5. Close and latch the seat.

The engine is shipped with oil in the crankcase; however, you must check the level of oil before you first start the engine and after you have run it.

1. Position the machine on a level surface.

2. Remove the dipstick and wipe it with a clean rag (Figure 43). Insert the dipstick into the tube and make sure that it is seated fully. Remove the dipstick and check the oil level.

   

   Figure 43

   1. Filler cap
   2. Dipstick

3. If the oil level is low, remove the filler cap from the valve cover (Figure 43) and pour oil into the opening until the oil level is up to the FULL mark on the dipstick. Add the oil slowly and check the level often during this process. Do not overfill.

4. Install the dipstick firmly in place.

1. Start the engine and let it run for 5 minutes. This warms the oil so it drains better.

2. Position the machine on a level surface, engage the parking brake, shut off the sprayer pump, shut off the engine, and remove the key.

3. Release the latch on the back of the seat and lift the seat forward.

   Caution

   Components under the seat are hot if the sprayer has been running. If you touch hot components, you may be burned.

   Allow the sprayer to cool before performing maintenance or touching components under the hood.

4. Place a pan below the oil drain.

5. Remove the drain plug (Figure 44).

   

   Figure 44

   1. Oil filter
   2. Oil-drain plug

6. When the oil has drained completely, replace the drain plug and torque it to 13.6 N∙m (10 ft-lb).

7. Dispose of the used oil at a certified recycling center.

8. Slowly pour approximately 80% of the specified amount of oil into the oil filler tube (Figure 43).

9. Check the oil level.

10. Slowly add additional oil to bring the oil level to the FULL mark on the dipstick.

    Important: Overfilling the crankcase with oil may cause engine damage.

1. Drain the oil from the engine; refer to Changing the Engine Oil, steps 1 through 7.

2. Remove the oil filter (Figure 44).

3. Wipe the filter adapter gasket surface.

4. Apply a thin coat of new oil to the rubber gasket on the replacement filter.

5. Install the replacement oil filter to the filter adapter. Turn the oil filter clockwise until the rubber gasket contacts the filter adapter, then tighten the filter an additional 1/2 turn (Figure 44).

6. Fill the crankcase with the correct type of new oil; refer to Checking the Engine Oil, steps 8 through 10.

7. Dispose of the used oil filter at a certified recycling center.

1. Position the machine on a level surface, engage the parking brake, shut off the sprayer pump, shut off the engine, and remove the key.

2. Release the latch on the back of the seat and lift the seat forward.

3. Pull the wires off the spark plugs (Figure 45).

4. Clean around the spark plugs to prevent dirt from falling into the engine and potentially causing damage.

5. Remove the spark plugs and metal washers.

   

   Figure 45

   1. Spark-plug wire
   2. Spark plug

1. Look at the center of the spark plugs (Figure 46).

   Note: If you see a light brown or gray coating on the insulator, the engine is operating properly. A black coating on the insulator usually means that the air cleaner is dirty.

   Important: Do not clean the spark plugs. Always replace a spark plug when it has a black coating, worn electrodes, an oily film, or cracks.

2. Check the gap between the center and side electrodes (Figure 46) and bend the side electrode, if the gap is not correct.

   

   Figure 46

   1. Center-electrode insulator
   2. Side electrode
   3. Air gap (not to scale)

1. Install the spark plugs and metal washers.

2. Tighten the spark plugs to 24.4 to 29.8 N∙m (18 to 22 ft-lb).

3. Push the wires onto the spark plugs (Figure 45).

4. Close and latch the seat.

Check the opening at the bottom of the air filter for the carbon canister to ensure that it is clean and free of debris and obstructions (Figure 48).

Figure 48

1. Air-filter opening
2. Carbon-canister filter
3. Hose
4. Carbon canister
5. Fuel tank

1. Remove the barbed fitting of the carbon-canister filter from the hose at the bottom of the carbon canister, and remove the filter (Figure 48).

   Note: Discard the old filter.

2. Fully insert the barbed fitting of the new carbon-canister filter into the hose at the bottom of the carbon canister.

1. Position the sprayer on a level surface, engage the parking brake, shut off the sprayer pump, shut off the engine, and remove the key.

2. The battery is located on the right side of the machine behind the pump (Figure 49).

3. Disconnect the negative (black) ground cable from the battery post.

   Warning

   Incorrect battery cable routing could damage the sprayer and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury.

   • Always disconnect the negative (black) battery cable before disconnecting the positive (red) cable.

   • Always connect the positive (red) battery cable before connecting the negative (black) cable.

   Warning

   Battery terminals or metal tools could short against metal sprayer components causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury.

   • When removing or installing the battery, do not allow the battery terminals to touch any metal parts of the sprayer.

   • Do not allow metal tools to short between the battery terminals and metal parts of the sprayer.

   • Always keep the battery strap in place to protect and secure the battery.

4. Disconnect the positive (red) cable from the battery post.

5. Remove the battery retainer and fasteners (Figure 49).

6. Remove the battery.

1. Set the battery on the battery box so that the battery posts are toward the front of the sprayer.

2. Install the battery retainer and secure it with the fasteners you removed previously (Figure 49).

   Important: Always keep the battery retainer in place to protect and secure the battery.

3. Connect the positive (red) cable to the positive (+) battery post and the negative (black) cable to the negative (-) battery post using the bolts and wing nuts. Slide the rubber boot over the positive battery post.

4. Install the battery cover and secure it with the 2 knobs (Figure 49).

Note: When the machine is in storage check the battery-electrolyte level every 30 days.

1. Loosen the knobs on the sides of the battery box and remove the battery cover (Figure 49).

2. Remove the filler caps. If the electrolyte is not up to the fill line, add the required amount of distilled water; refer to Adding Water to the Battery.

   Danger

   Battery electrolyte contains sulfuric acid which is a deadly poison and causes severe burns.

   • Do not drink electrolyte or allow it to contact your skin, eyes or clothing. Wear safety glasses to shield your eyes and rubber gloves to protect your hands.

   • Fill the battery where clean water is always available for flushing the skin.

The best time to add distilled water to the battery is just before you operate the machine. This lets the water mix thoroughly with the electrolyte solution.

1. Clean the top of the battery with a paper towel.

2. Remove the filler caps from the battery and slowly fill each cell with distilled water until the level is up to the fill line. Replace the filler caps.

   Important: Do not overfill the battery. Electrolyte will overflow onto other parts of the sprayer and severe corrosion and deterioration will result.

Important: Always keep the battery fully charged (1.260 specific gravity). This is especially important to prevent battery damage when the temperature is below 0°C (32°F).

1. Remove the battery from the chassis; refer to Removing the Battery.

2. Check the electrolyte level; refer to Checking the Electrolyte Level.

3. Connect a 3 to 4 A battery charger to the battery posts. Charge the battery at a rate of 3 to 4 A for 4 to 8 hours (12 V).

   Important: Do not overcharge the battery.

4. Install the battery in the chassis; refer to Installing the Battery.

If the machine will be stored for more than 30 days, remove the battery and charge it fully. Either store it on the shelf or on the machine. Leave the cables disconnected if it is stored on the machine. Store the battery in a cool atmosphere to avoid quick deterioration of the charge in the battery. To prevent the battery from freezing, ensure that it is fully charged.

1. Position the sprayer on a level surface, engage the parking brake, shut off the pump, shut off the engine, and remove the key.

2. Remove the 3-pin connector of the valve actuator from the 3-socket connector of the sprayer harness.

3. Remove the retainer that secures the actuator to the manifold valve for the rate control, agitation, master section, or section valve (Figure 67).

   Note: Squeeze the 2 legs of the retainer together while pushing it down.

   Note: Retain the actuator and retainer for installation in Installing the Valve Actuator.

   

   Figure 67

   Section-Valve Actuator Shown (the agitation-valve actuator is similar)

   1. Valve actuator (section valve shown)
   2. Retainer
   3. Stem port

4. Remove the actuator from the manifold valve.

1. Remove the clamps and gaskets that secure the manifold for the rate-control valve (Figure 68).

   Note: Retain the clamp(s) and gasket(s) for installation in Installing the Rate Control Manifold Valve.

   

   Figure 68

   1. Flange (pressure-filter head)
   2. Manifold (rate-control valve)
   3. Flange (agitation valve)
   4. Clamp
   5. Gasket
   6. 3-pin connector (valve actuator—rate-control valve)

2. Remove the retainer that secures the outlet fitting to the manifold for the rate-control valve (Figure 69).

   

   Figure 69

   1. Flanged-head bolt
   2. Valve mount
   3. Flanged locknut
   4. Retainer
   5. Socket (outlet fitting)
   6. Manifold-valve assembly

3. Remove the 2 flanged-head bolts and 2 flanged locknuts that secure the rate-control valve to the valve mount and remove the valve manifold from the machine (Figure 69).

   Note: If necessary, loosened the mounting hardware for the pressure-filter head to ease removal of the rate-control valve.

1. Remove the clamps and gaskets that secure the manifold for the agitation valve (Figure 70) to the agitation-bypass valve, rate-control valve, master-section valve, and adapter fitting (agitation-throttle valve).

   Note: Retain the clamp(s) and gasket(s) for installation in Installing the Agitation-Manifold Valve.

2. Remove the retainer that secures the outlet fitting to the manifold for the agitation valve (Figure 70).

   

   Figure 70

   1. Gasket
   2. Flange (pressure-filter head)
   3. Manifold (agitation valve)
   4. Flange (bypass valve—agitation valve)
   5. Flange (master-section valve)
   6. 3-pin connector (valve actuator—agitation valve)
   7. Socket (outlet fitting)
   8. Retainer
   9. Clamp

3. Remove the flanged-head bolt and flanged locknut that secures the agitation valve to the valve mount and remove the valve manifold from the machine (Figure 71).

   

   Figure 71

   1. Flanged-head bolt
   2. Manifold (agitation valve)
   3. Valve mount
   4. Flanged locknut

1. Remove the clamps and gaskets that secure the manifold for the master-section valve (Figure 72) to the master-section-bypass valve, agitation valve, and master-section-manifold valve (at the end of the hose for the flow meter).

   Note: Retain the clamp(s) and gasket(s) for installation in Installing the Master-Section-Manifold Valve.

2. Remove the retainer that secures the outlet fitting to the manifold for the master-section valve (Figure 72).

   

   Figure 72

   1. Gasket
   2. Flange (bypass—master-section valve)
   3. Flange (agitation valve)
   4. Manifold (master-section valve)
   5. 3-pin connector (valve actuator—master-section valve)
   6. Socket (outlet fitting)
   7. Retainer
   8. Clamp

3. Remove the flanged-head bolt and flanged locknut that secures the master-section valve to the valve mount and remove the valve manifold from the machine (Figure 73).

   

   Figure 73

   1. Flanged-head bolt
   2. Manifold (master-section valve)
   3. Valve mount
   4. Flanged locknut

1. Remove clamps and gaskets that secure the manifold for the section valve (Figure 74) to the adjacent section valve (if left section valve, and the reducer coupling).

   

   Figure 74

   1. Flange (reducer coupling)
   2. Manifold (section valve)
   3. Flange (adjacent section valve)
   4. Gasket
   5. Flange clamp

2. Remove the retainers that secure the outlet fitting to the section-valve manifold and the valve manifold to the bypass fitting (Figure 75).

   

   Figure 75

   1. Retainer
   2. Socket (bypass fitting)
   3. Socket (outlet fitting)
   4. Manifold-valve assembly

3. For the left or right section valves, remove the flanged-head bolts and flanged locknuts that secure the section valve(s) to the valve mount and remove the valve manifold(s) from the machine; for the center section valve, remove the section-valve manifold from the machine (Figure 76).

   

   Figure 76

   1. Bypass fitting
   2. Section-valve manifold

1. Position the valve stem so that it is in the closed position (Figure 77B).

   

   Figure 77

   1. Valve open
   2. Valve closed

2. Remove the 2 end-cap-fitting assemblies from each end of the manifold body (Figure 78 and Figure 79).

   

   Figure 78

   Agitation Valve Manifold

   1. Stem retainer
   2. Valve stem
   3. Stem port
   4. Stem-capture retainer
   5. End-cap fitting
   6. End-cap seal O-ring (0.796 x 0.139 inch)
   7. Back seating O-ring (0.676 x 0.07 inch)
   8. Valve-seat ring
   9. Manifold body
   10. Ball valve
   11. End-cap-fitting assembly
   

   Figure 79

   Section Valve Manifold

   1. Valve-stem seat
   2. Valve-stem assembly
   3. Stem port
   4. Stem retainer
   5. Outlet fitting O-ring (0.737 x 0.103 inch)
   6. Coupling (manifold)
   7. End-cap O-ring (0.796 x 0.139 inch)
   8. Back seating O-ring (0.676 x 0.07 inch)
   9. Ball seat
   10. Manifold body
   11. Ball valve
   12. Coupling assembly (manifold)

3. Turn the valve stem so that the ball is in the open position (Figure 77A).

   Note: When the valve stem is parallel with the valve flow, the ball slides out.

4. Remove the stem retainer from the slots in the stem port in the manifold (Figure 78 and Figure 79).

5. Remove the stem retainer and valve stem seat from the manifold (Figure 78 and Figure 79).

6. Reach into the manifold body and remove the valve-stem assembly (Figure 78 and Figure 79).

7. Clean the inside of the manifold and exterior of the ball valve, valve-stem assembly, stem capture, and end fittings.

Operator supplied material: Clear silicone grease.

Important: Use only silicone grease when assembling the valve.

1. Check the condition of the outlet fitting O-rings (section valve manifold only), end cap O-rings, back seating O-rings, and ball seat for damage or wear (Figure 78 and Figure 79).

   Note: Replace any damaged or worn O-rings or seats.

2. Apply silicone grease to the valve stem and insert it into the valve stem seat (Figure 78 and Figure 79).

3. Install the valve stem and seat into the manifold and secure the stem and seat with the stem retainer (Figure 78 and Figure 79).

4. Ensure that the back seating O-ring and the ball seat are aligned and seated into the end-cap fitting (Figure 78 and Figure 79)

5. Install the end-cap fitting assembly onto the manifold body until the flange of the end-cap fitting touches the manifold body (Figure 78 and Figure 79), then turn the end-cap fitting an additional 1/8 to 1/4 turn.

   Note: Use caution so as not to damage the end of the fitting.

6. Insert the ball into the valve body (Figure 80).

   Note: The valve stem should fit inside the ball drive slot. If the valve stem does not fit, adjust the position of the ball (Figure 80).

   

   Figure 80

7. Turn the valve stem assembly so that the valve is closed (Figure 77B)

8. Repeat steps 4 and 5 for the other end-cap fitting assembly.

1. Align a gasket between the flanges of the rate control valve manifold and the pressure filter head (Figure 81A).

   Note: If needed, loosen the mounting hardware for the pressure filter head as needed to provide clearance.

   

   Figure 81

   1. Locknut (1/4 inch)
   2. Valve mount
   3. Flange (agitation-valve)
   4. Flanged-head bolt (1/4 x 3/4 inch)
   5. Gasket
   6. Flange clamp
   7. Flange (pressure filter head)
   8. Flange (rate control valve)
   9. Coupling (manifold-valve)
   10. Socket (outlet fitting)
   11. Retainer

2. Assemble the rate control valve manifold, gasket, and pressure filter head with a flange clamp and tighten by hand (Figure 81A).

3. Align a gasket between the flanges of the rate control valve and the agitation-valve manifold (Figure 81A).

4. Assemble the rate control valve manifold, gasket, and agitation-valve manifold with a flange clamp and tighten by hand (Figure 81A).

5. Assemble the rate control valve to the valve mount with the 2 flanged-head bolts and 2 flanged locknuts (Figure 81A) that you removed in step 3 of Removing the Rate-Control-Manifold Valve and torque the nut and bolt to 10 to 12 N∙m (90 to 110 in-lb).

6. Assemble the outlet fitting onto the coupling fitting at the bottom of the manifold for the rate control valve (Figure 81B).

7. Secure the outlet fitting coupling fitting by inserting a retainer into the socket of the outlet fitting (Figure 81B).

8. If you loosened the mounting hardware for the pressure filter head, tighten the nut and bolt to 10 to 12 N∙m (90 to 110 in-lb).

1. Align the flange of the agitation-valve manifold, 1 gasket, and the flange of the agitation-bypass valve (Figure 82A).

   Note: If needed, loosen the mounting hardware for the master-section valve as needed to provide clearance.

   

   Figure 82

   1. Flange clamp
   2. Gasket
   3. Manifold (agitation valve)
   4. Flange (manifold—agitation-bypass valve)
   5. Flanged-head bolt
   6. Valve mount
   7. Flanged locknut
   8. Flange (rate-control valve)
   9. Flange (master-section valve)
   10. Retainer
   11. Socket (outlet fitting)

2. Assemble the agitation-bypass valve, gasket, and agitation-valve manifold with a clamp tightened by hand (Figure 82A).

3. Align a gasket between the flanges of the rate-control valve and the agitation-valve manifold (Figure 82B).

4. Assemble the gasket and agitation-valve manifold with a clamp tightened by hand (Figure 82B).

5. Align a gasket between the flanges of the agitation-valve manifold and the master-section valve (Figure 82B).

6. Assemble the agitation-valve manifold, gasket, and master-section valve with a clamp tightened by hand (Figure 82B).

7. Assemble the agitation-valve manifold and socket with a clamp tightened by hand (Figure 82C).

8. Secure the end-cap fitting to the outlet fitting by inserting a retainer into the socket of the outlet fitting (Figure 82C).

9. Assemble the agitation valve to the valve mount with the flanged-head bolt and flanged locknut that you removed in step 3 of Removing the Agitation-Manifold Valve and torque the nut and bolt to 1017 to 1243 N∙cm (90 to 110 in-lb).

10. If you loosened the mounting hardware for the master-section valve, tighten the nut and bolt to 1978 to 2542 N∙cm (175 to 225 in-lb).

1. Align the flange of the master-section-valve manifold, 1 gasket, and the flange of the master-section-bypass valve (Figure 83A).

   

   Figure 83

   1. Flange clamp
   2. Gasket
   3. Manifold (master-section valve)
   4. Flange (bypass—master-section valve)
   5. Flanged-head bolt
   6. Valve mount
   7. Flanged locknut
   8. Flange (agitation valve)
   9. Retainer
   10. Socket (outlet fitting)

2. Assemble the master-section-valve manifold, gasket, and master-section-bypass valve with a clamp tightened by hand (Figure 83A).

3. Align the flange of the master-section-valve manifold, a gasket, and the agitation-valve manifold (Figure 83B).

4. Assemble the master-section-valve manifold, gasket, and agitation-valve manifold with a clamp tightened by hand (Figure 83B)

5. Align the flange of the master-section-valve manifold, a gasket, and the master-section house (Figure 83B).

6. Assemble the master-section-valve manifold and socket with a clamp tightened by hand (Figure 83B).

7. Secure the end-cap fitting to the outlet fitting by inserting a retainer into the outlet fitting (Figure 83B).

8. Assemble the agitation valve to the valve mount with the flanged-head bolt and flanged locknut that you removed in step 3 of Removing the Master-Section-Manifold Valve and torque the nut and bolt to 1017 to 1243 N∙cm (90 to 110 in-lb).

1. Insert the upper end-cap fitting of the manifold valve into the bypass fitting (Figure 84A).

   Note: If needed, loosen the mounting hardware for the bypass fitting to provide clearance.

   

   Figure 84

   1. Flange (reducer coupling)
   2. Socket (bypass fitting)
   3. Bypass fitting
   4. Flange (adjacent manifold—agitation valve)
   5. End-cap fitting (manifold valve assembly)
   6. Socket (outlet fitting)
   7. Retainer
   8. Flange (manifold—section valve)
   9. Gasket
   10. Flange clamp

2. Secure the end-cap fitting to the bypass fitting by inserting a retainer into the socket of the bypass fitting (Figure 84A).

3. Assemble the outlet fitting onto the lower end-cap fitting of the manifold valve (Figure 84A).

4. Secure the end-cap fitting to the outlet fitting by inserting a retainer into the socket of the outlet fitting (Figure 84A).

5. Align a gasket between the flanges of the reducer coupling and the section valve manifold (Figure 84B).

6. Assemble the reducer coupling, gasket, and section valve manifold with a clamp and tighten by hand (Figure 84B).

7. If installing the 2 left most section valves, align a gasket between the flanges of the 2 adjacent section valve manifolds (Figure 84B).

8. Assemble the 2 adjacent section valve manifolds and gasket with a clamp and tighten by hand (Figure 84B).

9. For the left or right boom section valves, assemble the valves to the valve mount with the flanged-head bolt and flanged locknut that you removed in step 3 of Removing the Section-Manifold Valve and torque the nuts and bolts to 10 to 12 N∙m (90 to 110 in-lb).

10. If you loosened the mounting hardware for the bypass fitting, tighten the nut and bolt to 10 to 12 N∙m (90 to 110 in-lb).

1. Align the actuator to the manifold valve and (Figure 67).

2. Secure the actuator and valve with the retainer that you removed in step 3 of Removing the Valve Actuator.

3. Connect the 3-pin connector of the valve-actuator harness to the 3-socket connector of the wire harness of the sprayer.