Chemical Pre-Mix Kit

1. Move to the rear of the machine and locate the valve-mount bracket.

2. Remove the 3 hoses shown in Figure 3.

   Note: Do not remove the agitation bypass hose on Model Year 2024 and After.

   Note: Retain the hose clamps, gaskets, and retainers for installation in Installing the Bracket and Eductor Valve Assembly, Installing the Agitation Bypass Hose and Installing the Pressure Relief-Hose Assembly; discard the 3 hoses.

   

   Figure 3

   1. Do not remove for Model year 2024 and After

1. Remove the retainer that secures the pressure-relief valve to the T-fitting at the sprayer pump, and remove the relief valve (Figure 4).

   

   Figure 4

   1. Retainer
   2. T-fitting
   3. Pressure-relief valve
   4. Rotate the pressure-relief valve
   5. Down

2. Rotate the pressure relief valve up as shown in Figure 4.

   Note: Align outlet of the pressure-relief valve rearward.

3. Insert the pressure-relief valve into the top of the T-fitting until the valve is fully seated (Figure 4).

4. Secure the pressure-relief valve to the T-fitting with the retainer that you removed in step 1.

5. Rotate the upper T-fitting approximately 45° clockwise (Figure 5).

   

   Figure 5

   1. Upper T-fitting
   2. Lower T-fitting

1. Assemble the valve mount bracket to the front of the valve support (Figure 7) with the 4 flange-head bolts (5/16 x 3/4 inch), 4 flange locknuts (5/16 inch), and 4 washers (5/16 inch).

   

   Figure 6

   Model year 2023 and Before

   

   Figure 7

   Model year 2024 and After

   1. Flange locknut (5/16 inch)
   2. Washer (5/16 inch)
   3. Valve mount bracket
   4. Valve support
   5. Flange-head bolt (5/16 x 3/4 inch)

2. Align the flange of the reducer adapter (eductor valve) to the flange of the pressure-filter head (Figure 8) with the gasket that you removed in step 2 of Removing the Hoses.

   

   Figure 8

   1. Flange locknut (1/4 inch)
   2. Valve mount bracket
   3. Flange (pressure filter head)
   4. Stud (eductor valve)
   5. Reducer adapter
   6. Gasket
   7. Flange clamp

3. Align the studs of the pressure-filter head through the holes in the valve mount bracket (Figure 8).

4. Assemble the flange of the reducer adapter to the flange of the pressure-filter head (Figure 8) with the flange clamp that you removed in step 2 of Removing the Hoses.

5. Secure the eductor valve top the valve mount bracket with the 2 flange locknuts (1/4 inch), and torque the nuts to 1017 to 1243 N∙cm (90 to 110 in-lb).

6. Tighten the flange clamp by hand.

1. Align the 90° barbed fitting of the new agitation bypass-hose assembly with the open port in the upper T-fitting and insert the 90° fitting until it is seated in the T-fitting (Figure 9).

   

   Figure 9

   1. Retainer
   2. Port (upper T-fitting)
   3. Upper suction hose (sprayer tank)
   4. Gasket
   5. Flange (agitation valve)
   6. 90° barbed fitting
   7. Hose 25 x 305 mm (1 x 12 inches—agitation bypass-hose assembly)
   8. Straight flange fitting
   9. Flange clamp

2. Secure the 90° barbed fitting to the T-fitting with the retainer (Figure 9) that you removed in step 2 of Removing the Hoses.

3. Align the straight flange fitting of the new agitation bypass-hose assembly and the gasket with the flange of the bypass valve (Figure 9).

4. Secure the straight flange fitting and gasket to the bypass valve with the flange clamp (Figure 9) that you removed in step 2 of Removing the Hoses.

1. Align the 90° fitting of the pressure relief-hose assembly with the open port in the upper T-fitting (located below the pressure-relief valve), and insert the 90° fitting until it is fully seated (Figure 10).

   

   Figure 10

   1. Upper T-fitting (below the pressure-relief valve)
   2. Retainer
   3. Upper T-fitting
   4. Lower T-fitting
   5. 90° barbed fitting (
   6. Pressure relief-hose

2. Secure the 90° T-fitting with the retainer (Figure 10) that you removed in step 2 of Removing the Hoses.

3. Align the other 90° fitting of the pressure relief-hose assembly with the open port of the lower T-fitting (secure to the valve mount) and insert the 90° fitting until it is fully seated (Figure 10).

4. Secure the 90° fitting to the upper T-fitting with the retainer (Figure 10) that you removed in step 2 of Removing the Hoses.

1. Align the other 90° fitting of the supply-hose assembly with the open port of the lower T-fitting at the sprayer pump and insert the 90° fitting until it is seated (Figure 11).

   

   Figure 11

   1. Lower T-fitting (sprayer pump)
   2. Retainer
   3. 90° barbed fitting
   4. Supply-hose assembly

2. Secure the 90° fitting to the T-fitting at the sprayer pump with the retainer (Figure 11) that you removed in step 1 of Repositioning the Pressure Relief Valve and Upper T-Fitting.

3. Align the straight-barbed fitting of the pressure-hose assembly with the bottom port of the eductor valve and insert the straight fitting until it is seated (Figure 12).

   

   Figure 12

   1. Eductor valve
   2. Retainer
   3. Supply-hose assembly

4. Secure the straight-barbed fitting to the eductor valve (Figure 10) with a retainer.

1. Remove the 2 flange locknuts securing the tank-lid stop to the 2 carriage bolts at the rear strap of the sprayer tank, and remove the tank-lid stop (Figure 13).

   Note: Retain the tank-lid stop and flange locknut.

   

   Figure 13

   1. Tank-lid stop
   2. Flange locknut
   3. Carriage bolt

2. Align the slots in the eductor mount to the 2 lower carriage bolts of the rear tank strap as shown in Figure 14.

   

   Figure 14

   1. Slots (eductor mount)
   2. Flange locknut (5/16 inch)
   3. Carriage bolt

3. Loosely assemble the flange locknut (5/16 inch) onto the lower carriage bolt (Figure 14).

4. Assemble the tank-lid stop and 2 flange locknut that you removed in step 1 onto the 2 upper carriage bolts (Figure 15).

   

   Figure 15

   1. Flange locknut (5/16 inch)
   2. Carriage bolt
   3. Tank-lid stop
   4. Eductor mount

5. Torque the 3 flange locknuts to 1978 to 2542 N∙cm (175 to 225 in-lb).

1. Assemble the pivot pin through the upper hole in the cradle arm (Figure 16).

   

   Figure 16

   1. Cradle arm (left)
   2. Bolt (3/8 x 1-1/4 inches)
   3. Upper hole (Cradle arm—left)
   4. Pivot pin
   5. Jam nut (3/8 inch)
   6. Handle
   7. Lower hole (Cradle arm—left)

2. Apply medium-grade, thread-locking compound to the threads of the bolt (3/8 x 1-1/4 inch).

3. Assemble the bolt (3/8 x 1-1/4 inch) through the lower hole in the cradle arm and the retainer of the pivot pin (Figure 16) with the jam nut (3/8 inch), and tighten the jam nut to 15 to 17 N∙m (11 to 13 ft-lb).

4. Thread the handle onto the bolt (3/8 x 1-1/4 inch) and tighten the handle against the jam nut and tighten the handle by hand (Figure 16).

5. Repeat steps 1 through 4 to the other cradle arm (Figure 16).

1. Insert a flanged bushing (3/4 inch inside diameter) into each end of the pivot tube in the main-support frame (Figure 17).

   

   Figure 17

   1. Upper pivot pins (1/2 inch)
   2. Flanged bushings (1/2 inch inside diameter)
   3. Hubs (back plate—left and right)
   4. Washers (1/2 inch)
   5. Hairpins
   6. Cradle arm (left)
   7. Hub (left cradle arm)
   8. Flanged bushings (3/4 inch inside diameter)
   9. Pivot tube (main-support frame)
   10. Lower pivot pin (3/4 inch—right cradle arm)

2. Insert a flanged bushing (1/2 inch inside diameter) into the left and right hubs of the back plate (Figure 17).

   Note: Ensure that the flange of the bushings are aligned to the outward side of the hubs.

3. Assemble the lower pivot pin of the right cradle arm through the flanged bushing at the right side of the pivot tube and the pivot (Figure 17).

   Note: Align the upper pivot pin of the arm with the right hub of the back plate.

4. Assemble the upper pivot pin of the right cradle arm through the right hub of the back plate (Figure 17).

5. Secure the upper pivot pin to the back plate with a washers (1/2 inch) and hairpin (Figure 17).

6. Assemble the hub of the left cradle arm over the end of the lower pivot pin of the right cradle arm that is protruding to the left of the left flanged bushing in pivot tube (Figure 17).

   Note: Align the upper pivot pin of the arm with the left hub of the back plate.

7. Assemble the upper pivot pin of the left cradle arm through the left hub of the back plate (Figure 17).

8. Secure the upper pivot pin of the left cradle arm to the back plate with a washer (1/2 inch) and hairpin (Figure 17).

9. Install 2 set screws to the left arm at the lower hinge point (Figure 18).

   Note: Do not tighten the set screw at this time to allow for later adjustment of the cradle system.

   

   Figure 18

   1. Cradle arm (left)
   2. Pivot tube
   3. Set screw
   4. Holes in cradle arm

1. Install the spring in the hole in the lower end of the angled tab on the side of the frame assembly (Figure 19).

   

   Figure 19

   1. Angled tab
   2. Hole in tab
   3. Spring
   4. Post
   5. Groove

2. Hook 1 end of the spring into the hole and the other end onto the spring post (Figure 19).

3. Make sure that the spring end is seated properly in the groove in the post (Figure 19).

4. Repeat steps 1 through 3 for the other side.

5. Tighten the 2 set screws in the left arm.

Move the cradle assembly into the upper transport position to adjust the tongue.

1. Lift up on the handles to raise the assembly while slightly tipping it toward the tank.

2. Guide the tongue under the crossbar with the welded tab in the upper portion of the frame assembly.

3. Let the assembly pivot down, toward the tank.

4. Making sure that the plastic stops are in contact with the spring tabs, apply enough pressure against the back plate assembly of the cradle to compress the spring tabs midway (Figure 20).

   

   Figure 20

   1. Spring tab under pressure
   2. Back plate
   3. Spring tab

5. While maintaining the pressure on the back plate, slide the tongue toward you until the lip of the tongue plate contacts the crossbar (Figure 21).

   

   Figure 21

   1. Tongue-plate lip
   2. Fasteners
   3. Slot in plate
   4. Welded tab

6. Tighten the fasteners in the tongue to secure its position, then release pressure on the back plate.

   Note: Check to see if there is any play in the cradle. It should be held snug to the frame assembly. You can repeat this procedure once the eductor is installed to adjust the locked position.

Note: You can install the latch handle and latch post at either the left or right side of the eductor handle.

1. Assemble the latch post to the handle of the eductor (Figure 22) using the 2 socket-head screws (#10-24 x 1/2 inch).

   

   Figure 22

   1. Latch post
   2. Socket-head screw (#10-24 x 1/2 inch)
   3. Eductor handle
   4. Eductor assembly
   5. Flange locknut
   6. Mount plate (eductor)
   7. Spring clip
   8. Bolt (#10-24 x 1/2 inch)
   9. Flange-head bolt (5/16 x 3/4 inch)
   10. Locknut (#10-24)
   11. Latch handle

2. Assemble the spring clip to the latch handle (Figure 22) with the 2 bolts (#10-24 x 1/2 inch) and 2 locknuts (#10-24).

3. Assemble the handle to the mount plate for the eductor (Figure 22) with 2 flange-head bolts (5/16 x 3/4 inch) and flange locknuts (5/16 inch).

4. Lower the cradle into the down position.

1. Align the holes in the eductor mount plate with the slots in the cradle support frame (Figure 23).

   Note: The fasteners need to be loose enough so that they can travel in the slot when the eductor is initially raised up into the transport position. This allows you to adjust the travel and alignment of the eductor.

   

   Figure 23

   1. Bolt (3/8 x 1 inch)
   2. Back plate
   3. Flanged-serrated nut (3/8 inch)
   4. Eductor assembly mount hole
   5. Eductor assembly mount

2. Install 4 bolts (3/8 x 1 inch) and locknuts (3/8 inch) to mount the eductor.

   Note: Do not tighten the bolts at this time.

3. To carefully raise the eductor in the cradle assembly up to the transport position, do the following:

   1. Lift the lower handle to raise the eductor while slightly tipping it toward the tank.

   2. Guide the tongue under the crossbar with the welded tab in the upper portion of the frame assembly.

   3. Then pivot the assembly toward the tank, taking care to line up the spring clip with the large pivot tube in the lower portion of the frame.

   4. Push until the spring clip snaps over the pivot tube as shown in Figure 24.

      

      Figure 24

      1. Spring clip
      2. Pivot tube

4. Check the eductor height on the cradle back plate and adjust as necessary.

5. Tighten the fasteners securing the eductor to the cradle.

   Note: Torque the fasteners to 36 to 45 N∙m (27 to 33 ft-lb).

6. Tighten the 2 set screws on the left hand pivot arm, refer to Figure 18 in Assembling the Cradle Arms to the Support Frame.

7. Check the overall position of the eductor assembly on the tank strap.

   Note: The eductor should be upright, in the transport position. Loosen the lower locknut on the frame assembly securing it to the tank. Do not remove the locknut. Adjust the position as necessary and tighten the locknut. Make sure that the strap is secure to the tank.

1. Align the flange of the T-fitting for the drain valve with the forward flange of the eductor (Figure 25).

   Note: Ensure that the handle for the drain valve is located outward.

   

   Figure 25

   1. Flange (T-fitting—drain valve)
   2. Flange clamp
   3. Gasket
   4. Forward flange (eductor)

2. Assemble the T-fitting to the eductor with a gasket and flange clamp, and tighten the clamp by hand (Figure 25).

1. Open the lid of the spray tank and remove the filter basket (Figure 26).

   

   Figure 26

2. Locate the forward location on the top of the tank as shown in Figure 27.

   Note: Locate the drill mark in the center of the molded circle.

   

   Figure 27

   1. Drill with hole saw 9 cm (3-5/8 inch)
   2. Drill at the center of the molded circle
   3. Molded circle

3. Use a 9 cm (3-5/8 inch) hole saw to drill a hole at the drill mark (Figure 27).

   Note: You will need to increase the diameter slightly to accommodate the bulkhead.

4. After drilling the hole, remove any rough edges in the cut, and remove any debris that entered the spray tank during the cutting process.

1. Install the seal over the bulkhead fitting (Figure 28).

   

   Figure 28

   1. Locking ring
   2. Seal
   3. Bulkhead fitting

2. Install the bulkhead fitting and the seal through the hole that you created in Drilling the Tank, from inside the tank (Figure 28).

3. Secure the bulkhead to the tank with the locking ring (Figure 28).

4. Install the filter basket and close the lid of the spray tank.

1. Remove the 2 bolts (3/8 x 7 inches), 4 washers (3/8 inch), and 2 locknuts (3/8 inch) that secure the front strap halves of the spray tank (Figure 29).

   

   Figure 29

   1. Bolt (3/8 x 7 inches)
   2. Flange locknut (3/8 inch)
   3. Washer (3/8 inch)
   4. Carriage bolt (5/16 x 1 inch)
   5. Second hole—strap half (spray tank)

2. Insert the carriage bolt (5/16 x 1 inch) into the second hole in the strap half as shown in Figure 29.

3. Assemble the 2 front strap halves with the 2 bolts 4 washers, and 2 locknuts that you removed in step 1, and tighten the bolts and nuts by hand (Figure 29).

4. Install an R-clamp over eductor hose assembly (Figure 30).

   

   Figure 30

   1. 90º barbed fitting
   2. Eductor hose assembly
   3. Flange locknut (5/16 inch)
   4. Retainer
   5. Bulkhead fitting
   6. R-clamp (5/16 inch)
   7. Carriage bolt (5/16 x 1 inch)

5. Assemble the 90º barbed fitting of the eductor hose assembly into the bulkhead fitting and secure the barbed fitting to the bulkhead fitting a retainer (Figure 30).

6. Loosely assemble the R-clamp onto the carriage bolt and secure the clamp (Figure 30) with a flange locknut (5/16 inch).

   Note: You will tighten the flange nut after the other end of the eductor hose assembly is installed.

7. Attach the straight-barb fitting of the eductor hose assembly to the flange of the T-fitting for the eductor using a gasket and flange clamp, and tighten the clamp by hand (Figure 31).

   

   Figure 31

   1. Straight-barb fitting (eductor hose assembly)
   2. Flange clamp
   3. Gasket
   4. Flange (T-fitting—eductor assembly)

8. Raise and lower the handle of the eductor to ensure that the eductor moves freely.

   Note: If needed, adjust the position of the R-clamp to align the eductor hose (Figure 30).

9. Tighten the flange locknut (5/16 inch) that secures the R-clamp to the carriage bolt to 1978 to 2542 N∙cm (175 to 225 in-lb).

Rotate the lid counter clockwise to open it. Close the lid completely before turning it clockwise to lock it. You must close the lid and lock it before it is raised to the transport position.

Use the upper and lower handles (Figure 34) to raise and lower the eductor and to lock it into the transport position.

Use the hopper valve to introduce chemicals from the eductor into the hose leading to the spray tank.

The bottle rinse (Figure 35) is located inside the eductor tank. Use the bottle rinse to remove chemical residue from the inside of the container (bottle) in which the chemical is packaged. The bottle rinse is pressurized with solution from the spray system. The chemical container (bottle) is rinsed with spray-system solution discharged at the spout of the bottle rinse.

Figure 35

1. Bottle rinse

The flush valve (Figure 34) is used to rinse residual chemical from the inside of the hopper of the eductor. The flush valve pressurizes with solution from the spray system. Rotating the flush-valve handle 90° counterclockwise to rinse the hopper; rotating the flush-valve handle 90° clockwise to closes the valve.

1. Grasp the eductor handle and pull the latch handle off the latch post.

   

   Figure 36

   1. Handles (top of the cradle)
   2. Eductor handle
   3. Latch handle
   

   Figure 37

   1. Latch post
   2. Latch handle

2. Grasp the eductor handle at the top of the cradle in addition to the eductor handle and pull the eductor handle out until the spring clip releases from the pivot tube.

   

   Figure 38

   1. Spring clip
   2. Pivot tube

3. Pull the eductor handle outward and down until the hook of the latch at the inboard side of the back plate is clear of the latch rod of the main support-frame assembly.

   

   Figure 39

   1. Latch rod (main-support frame)
   2. Latch (back plate)

4. Fully lower the eductor while holding the eductor handle outward slightly.

   Note: You will need to tip the bottom of the eductor outward so that you can align the hook of the latch under the spring plate at the bottom of the main-support frame.

   

   Figure 40

5. When the latch of the back plate is under the spring plate, rotate the eductor handle inward so that the hook portion of the latch is aligned behind the spring plate.

   

   Figure 41

   1. Latch hook
   2. Spring plate

1. Grasp a handle at the top of the cradle in addition to the eductor handle and pull the eductor handle outward until the hook portion of the latch is aligned outward of the spring plate (Figure 38 and Figure 41).

2. Raise the eductor while holding the eductor handle outward slightly (Figure 40).

   Note: Tip the top of the eductor inward as needed so that you can align the latch at the inboard side of the back plate under the latch rod of the main-support-frame assembly.

3. Push in the handles at the top of the cradle until the hook portion of the latch is aligned behind the latch rod of the main-support frame (Figure 39).

4. Push in the eductor handle so that the hook raises to the latch rod and the spring clip fully seats around the pivot tube (Figure 38).

5. Pull the latch handle onto the latch post (Figure 37).

Note: Close the hopper valve and flush valve before starting the eductor.

1. Use the lower handle to lower the eductor (Figure 42).

2. Open the lid to check for foreign objects which may hinder performance or contaminate the system (Figure 42).

3. Close and lock the lid by turning the cover clockwise.

4. Rotate the handle of the eductor shutoff valve to open position (Figure 43).

   The spray system pressurizes the eductor circuit.

   

   Figure 43

   1. Handle (eductor-shutoff valve)

5. Open the hopper valve (red knob) located on the bottom of the hopper (Figure 42).

6. Unlock and open the lid slowly by turning the cover counterclockwise.

1. Open the eductor shutoff valve.

2. Open the hopper valve (Figure 42).

3. Pour the required amount of chemical into the hopper.

   Note: Avoid splashing liquids or powdered chemicals outside of the hopper.

4. If applicable, rinse the empty chemical containers as follows:

   1. Place the rim of the container over the bottle rinse and press down to open the valve; refer to Figure 35 in Bottle Rinse.

      Solution will stream from the nozzle of the bottle rinse into the inverted container (bottle).

   2. Lift up the chemical container to close the shut-off valve of the bottle rinse.

5. Rinse the hopper of the eductor as follows:

   1. Close lid of the hopper and lock it by turning the cover clockwise.

   2. Open the flush valve and rinse the hopper of the eductor for 20 seconds (Figure 42).

   3. Close the flush valve (Figure 42).

   4. Open the lid of the hopper and inspect for chemical residue.

      Repeat step 1 and 2 as necessary to clean the hopper.

6. Raise the eductor and secure it with the transport strap (Figure 42).

7. Close the eductor shutoff valve and the hopper valve (Figure 42).

Note: Lance suction depends upon eductor pressure and flow. For best results, use pressure up to 10 bar (150 psi) maximum.

1. Insert the suction lance body into the eductor until the O-ring seals on the hopper drain.

   

   Figure 44

   1. Suction lance
   2. Eductor

2. Use the free end of the lance to pierce the bag or container to vacuum powdered or liquid chemical.

3. Place the lance end into a clean container of water to rinse the lance assembly.

4. Remove the lance body from eductor and drain any remaining fluid into the hopper.

5. Close the hopper valve (red handle).

1. Close all the valves.

   Note: Close the hopper valve first.

2. Remove all chemical residue.

3. Close and lock the hopper lid by turning the cover clockwise (Figure 42).

4. Return the agitation valve to the fully open position.

5. Close the eductor shutoff valve; refer to Figure 43 of Starting the Eductor.

6. Return the eductor to the transport position, and secure it with the transport strap (Figure 42).