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manual abstract
Outside the tank, assemble the nylon washer, then the nylon nut onto the drain body. Tighten the nut securely enough to prevent leaking, being careful not to damage the plastic parts. Place the O-ring inside the nylon cap and screw the cap onto the end of the drain body. See figure 4. NYLON NUT O-RING NYLON CAP HOSE GASKET DRAIN BODY NYLON WASHER FIGURE 4 9. Assemble the boom mount bracket to the rear of the hitch tubes using two 5/16" x 2" hex bolts and 5/16" hex nuts. See figure 5. BOOM MOUNT BRACKET 5/16" HEX NUT 5/16" x 2" HEX BOLT FIGURE 5 10. Assemble the boom bars to the boom mount bracket using two 5/16" x 1-1/4" carriage bolts, tooth lock washers (between the bar and bracket), 5/16" flat washers and knobs. The boom connecting hose should extend upward. See figure 6. NOTE: Make sure the nozzle openings face straight down when the boom bars are in the horizontal operating position. CARRIAGE BOLT 5/16" x 1-1/4" KNOB 5/16" WASHER WASHER (TOOTH LOCK) BOOM BAR BOOM CONNECTING HOSE FIGURE 6 11. Assemble the large and small spray gun clips to the side of the tank using two #10 x 1/2" screws and #10 lock washers. See figure 7. SPRAY GUN CLIP (LARGE) SPRAY GUN CLIP (SMALL) #10 x 1/2" SCREW #10 LOCK WASHER FIGURE 7 VIEWED FROM REAR 5 12. Insert a garden hose gasket into the swivel nut on the bypass/return hose. Screw the nut onto the upper outlet of the "Y" valve fitting. Place the other end of the hose down through the hole at the rear of the tank. See figure 8. 13. Insert a garden hose gasket into the swivel nut on the boom connecting hose. Screw the nut onto the lower outlet of the "Y" valve fitting. See figure 8. 14. Slide the 1/4" hose clamp onto the spray gun hose. Push the hose onto the hose adapter on the side of the "T" fitting as shown in figure 8. Tighten the clamp around the hose and the adapter. Wrap the hose around the tank and snap the spray gun into the clips on the side of the tank. 15. Carefully screw the pressure gauge into the top of the "T" fitting. See figure 8. BYPASS/RETURN HOSE FIGURE 8 BOOM CONNECTING HOSE SPRAY GUN HOSE PRESSURE GAUGE 1/4" HOSE CLAMP GARDEN HOSE GASKET 16. Attach the sprayer to the tractor hitch and connect the wiring to the tractor battery. The red wire must be connected to the positive post on the battery or to the "HOT" connection on a tractor switch or ammeter. The brown wire may be grounded or connected to the negative battery post. See figures 9 and 10. IMPORTANT: This sprayer should be connected to 12 volt batteries only! FIGURE 9 BROWN PUMP SWITCH RED QUICK COUPLER BATTERY +RED BROWN NEVER ALLOW NEGATIVE PIN ON PLUG TO COME IN CONTACT WITH POSITIVE "HOT" POST ON BATTERY. FIRE OR EXPLOSION MAY RESULT! PLUG NEGATIVE PIN POSITIVE "HOT" POST+ NEGATIVE POST 12 VOLT TRACTOR BATTERY FIGURE 10 6 OPERATION BEFORE STARTING It is important to test the boom and spray gun with plain water before using chemicals. This will enable you to check the sprayer for leaks and to set the spray pattern and nozzle pressure. If a leak should occur, thread tape may be used to better seal the fitting. PUMP PRESSURE SWITCH The pump is equipped with a pressure switch. The pressure switch senses outlet pressure of the pump and will turn off the electrical power to the pump at a predetermined high pressure point (60 PSI). If the flow demand is very low, the pump may reach this high pressure point and the switch will cause "cycling" (the pump cycles on and off rapidly). This is not a problem unless the pump is subject to continuous cycling within one second intervals for long periods of time. ADJUSTING OPERATING PRESSURE The sprayer is equipped with a "Y" fitting containing a bypass valve and a boom valve. The bypass valve controls the flow to the return (bypass) hose. The amount of flow through the return hose determines the operating pressure when the boom or the spray gun is in use. Adjust the bypass valve while either the boom or the spray gun is in use to obtain the desired pressure, indicated by the pressure gauge. The tip chart on page 9 shows how different pressure settings affect boom application rates. ON-OFF ADJUSTMENT OF BOOM NOZZLES The boom valve on the "Y" fitting controls flow to the boom nozzles. It should be either completely open or completely closed. The boom operating pressure can be controlled using the bypass valve on the "Y" fitting. ADJUSTING SPRAY GUN NOZZLE Turn the nozzle on the spray gun to adjust the spray from a cone shaped fine mist to a straight stream. Control the spray gun operating pressure with the bypass valve on the "Y" fitting. Maximum spray gun pressure can be attained when the boom is shut off. SETTING THE BOOM FOR SPRAYING The correct positioning of the boom places the nozzles approximately 40" apart and 14" above the ground. This gives a spray width of approximately 80" with a slight center overlap. See figure 11. a. Slide the boom bars out to the ends of the slots. b. Swivel the boom bars until the nozzles are approximately 14" above the ground. ...