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Service and Maintenance: Flow Meter Maintenance and Adjustment

SERVICE AND MAINTENANCE

11. Carefully direct a low pressure jet of air (5 psi [34.5 kPa]) through flow meter in the direction of flow and again

in the opposite direction to verify that the turbine spins freely.

12. If there is drag, loosen the stud on the bearing hub 1/16 turn until the turbine spins freely.
13. If turbine spins freely and the cables have checked out, but the flow meter still is not reading properly, verify

that the sensor is threaded all the way into the flow meter body, and the orientation groove on top of the

sensor is parallel with flow meter body. if flow meter still does not read, replace sensor assembly.

14. Re-connect the flowmeter to the system plumbing. Ensure gaskets on couplings slide over the piping and

flowmeter body, centering gasket between components. Lubrication with soap may be required. Attach coupler

clamp and re-torque hardware to 80-100 ft-lbs.

NOTE:

For a list of replacement parts, refer to Chapter 8,

System Diagram and Replacement Parts

Содержание AccuFlow Vortex

Страница 2: ...ven Industries shall not be held responsible for any modifications or repairs made outside our facilities nor damages resulting from inadequate maintenance of this system As with all wireless and sate...

Страница 3: ...ooler 22 Check Valve Assembly For Multiple Section Valves Only 23 Refrigerant Line Assembly 24 One Inch Gauge Tree and Valve Assembly 25 Gauge Tree and Valve Assembly 25 Attaching the Gauge Tree to th...

Страница 4: ...Pressure Cal 51 Default Calibration Values NH3 Pre sets 52 Programming HP Rate Control Viper Pro 53 Adjusting the Rate Cal 56 Operating HP System in HP NH3 Boost Mode 58 Verifying AccuFlow HP Operatio...

Страница 5: ...nder the influence of alcohol or an illegal substance Be alert and aware of surroundings and remain in the operator seat at all times when operating this Raven system Do not operate the implement on a...

Страница 6: ...follow instructions provided with the application system to properly discharge NH3 before performing service or maintenance Pressure gauges can fail become plugged or display incorrect pressure Slowl...

Страница 7: ...cts and containers Triple rinse and puncture or crush empty containers before properly disposing of them Contact a local environmental agency or recycling center for additional information Always foll...

Страница 8: ...ay damage hydraulic components Stand clear of the implement when starting the system for the first time after installing or servicing hydraulic components in case a hose has not been properly connecte...

Страница 9: ...r flame cut corners fastener threads or cap screw heads hose clamp ends etc Avoid areas where the operator or service personnel might step or use as a grab bar Do not connect affix or allow hoses to c...

Страница 10: ...d to conditions beyond harnessing component specifications Avoid routing harnesses in areas where damage may occur due to build up of material e g dirt mud snow ice etc Avoid routing harnesses in area...

Страница 11: ...GER Exposure to anhydrous ammonia can cause severe burning blindness or death Use extreme caution when opening a previously pressurized system To avoid injury or death always wear proper personal prot...

Страница 12: ...seals will result 4 Resume normal field application until the pressure gauge reads no remaining pressure is left in the AccuFlow system 5 Toggle the control console or vehicle master switch to the off...

Страница 13: ...as dispersed check the pressure and temperature gauges to verify that the pressure reads zero and all parts are at an ambient temperature not frosted over 11 Open the secondary bleed valve slowly to r...

Страница 14: ...an anhydrous ammonia NH3 system Operators must familiarize themselves with the system bleed valve locations and procedures before charging the system with NH3 Primary Bleed Valve Secondary Bleed Valv...

Страница 15: ...uses a small amount of anhydrous ammonia from the system to reduce the temperature of the ammonia being applied The Raven AccuFlow Vortex system is available in two configurations to match the NH3 ap...

Страница 16: ...Breakaway Couplers 1 1 2 2 NA Hoses from Nurse Tank Withdrawal Valves to Trailer Bulkhead Couplers 1 1 2 2 Minimized and Equal Length If equipped with bulkhead couplers Hoses from Trailer Bulkhead Cou...

Страница 17: ...th Use 3 4 reducers in 1 tee 13 Vapor Tee ID 1 2 NA 14 Vapor Rows 4 NA Attempt to have at least one applicator knife in between each vapor row Toolbar 15 Toolbar or Applicator Unit NA NA Tractor 16 Tr...

Страница 18: ...CHAPTER 2 14 AccuFlow Vortex and AccuFlow HP Installation and Operation Manual FIGURE 1 Application Unit System Components 1 2 3 4 5 6 7 8 9 10 11 12 13 14 16 15...

Страница 19: ...d the overall service we provide We appreciate the opportunity to see ourselves as our customers see us and are eager to gather ideas on how we have been helping or how we can do better To serve you b...

Страница 20: ...CHAPTER 2 16 AccuFlow Vortex and AccuFlow HP Installation and Operation Manual...

Страница 21: ...local Raven dealer for more information and assistance When installing hoses cables and wires always take care that they cannot be pinched cut or otherwise damaged during normal operation FIGURE 1 Typ...

Страница 22: ...he cooler with the base lip facing left 5 Install the 7 16 u bolt from the top of the cooler so the threaded portion of the U bolt is through the two holes on top of the mounting bracket 6 Thread and...

Страница 23: ...cooler 2 Slide the bent end outlet manifold into the coupling gasket 3 Place the two parts of the coupling clamp over the coupling gasket so the bolt holes are above and below the outlet manifold 4 Us...

Страница 24: ...he two parts of the coupling clamp over the coupling gasket so the bolt holes are above and below the outlet manifold FIGURE 6 Clamp Installation Detail 7 Using two 1 2 bolts and two 1 2 nuts to secur...

Страница 25: ...off valve Verify that the 90 hose barb fitting if located at below the pipe 6 Secure the gauge tree manifold to the controller valve 7 Install the needle valve into the needle valve port of the gauge...

Страница 26: ...tlet manifold 4 Tighten the 1 2 nuts to 80 to 100 ft lbs 5 Install a clamping u bolt over the top of the gauge tree so the threaded portion of the u bolt is through the two holes on the pipe support b...

Страница 27: ...ly 1 Apply PTFE thread sealant to all threaded joints 2 Install the pipe nipple into the top of the fitting tee 3 Attach the check valve to the pipe nipple with the flow direction as shown in Figure 9...

Страница 28: ...he 90 hose barb fitting 3 Secure the hose clamp over the 90 hose barb fitting 4 Slide a hose clamp over the other end of the refrigerant line 5 Slide the refrigerant line over the straight hose barb f...

Страница 29: ...4 x 3 pipe nipple into one of the side ports on 1 1 4 cross 10 Install a 1 1 4 x 1 2 reducer into the other side of the 1 1 4 cross 11 Install the pressure gauge assembly into the top of 1 1 4 cross 1...

Страница 30: ...E 12 Attaching the Gauge Tree to the Cooler 1 Place the cooler mounting bracket on top of the cooler 2 Use the provided large u bolts to secure the mounting bracket to the cooler 3 Place the clamping...

Страница 31: ...d joints 2 Install the pipe nipple into the top of the fitting tee 3 Attach the check valve to the pipe nipple with the flow direction as shown in Figure 9 NOTE Refer to the spare parts list in Chapte...

Страница 32: ...aight hose barb fitting MANIFOLD ASSEMBLY There are variations in inlet manifolds Locate the appropriate inlet manifold below and follow the appropriate instructions to install your inlet manifold DUA...

Страница 33: ...pipe nipple DUAL INLET MANIFOLD SUPPORT BRACKET INSTALLATION FIGURE 17 Standard Inlet Manifold Support Bracket 1 Use three 3 8 bolts and 3 8 nuts to secure the mounting bracket to the inlet manifold s...

Страница 34: ...g u bolt around the inlet manifold without installing the nuts 3 Place the inlet manifold support bracket against the bottom of the inlet 4 Feed the threaded ends of the u bolts through the holes on t...

Страница 35: ...to Mounting Plate Primary Bleed Valve Secondary Bleed Valve Vapor Hose Toolbar Hose to Breakaway Bleed Circuit Pressure Hose Connection Pressure Gauge Temperature Gauge Vortex Cooler Bleed Circuit Vap...

Страница 36: ...the connections is flush with the flat side of the node mounting bracket Refer to Figure 21 2 Use three bolts and nuts to secure the control node to the mounting plate 3 Use two bolts and nuts to secu...

Страница 37: ...nipple 2 Install the pipe nipple into the NH3 pump as shown in Figure 23 3 Attach the 2 1 2 coupling to the secure the pump to the outlet on the bottom of the Vortex cooler Refer to Figure 23 4 Use th...

Страница 38: ...nd Operation Manual INSTALLING HYDRAULIC VALVE FIGURE 24 Installing Hydraulic Valve to Vortex Cooler Bracket 1 Use two bolts nuts and flat washers to attach hydraulic valve to Vortex cooler support br...

Страница 39: ...le always turn the pump off in the float position NOTE Route hydraulic hoses so that they are free of twists or kinks and will not be pinched by surrounding mechanisms Ensure at least 3 feet of hose e...

Страница 40: ...e between the cooler and the standard so the standard has a full range of motion and does not contact the cooler assembly Also verify that the ball valve hands can be pulled to the full off position w...

Страница 41: ...eaded joints 2 Install the vapor hose fitting into the vapor port openings WARNING Anhydrous ammonia can cause severe burning blindness or death Always work upwind of an implement with the AccuFlow sy...

Страница 42: ...o the back of liquid tubes Vapor tubes should be spaced out evenly across the tool bar Avoid connecting vapor tubes on wheel tracks and adjacent rows if possible 4 Route 3 4 tubing from the 3 4 cooler...

Страница 43: ...reduce risk of uneven application Raven recommends using equal length hose to all vapor knives placed at least 1 row apart BLEED LINE HOSE ROUTING 1 Apply PTFE thread sealant to all threaded joints 2...

Страница 44: ...ve 6 Route the 3 8 low pressure hose to a 3 8 hose barb tee on the top side of the cooler FIGURE 32 3 8 Barb Tee 7 Connect to the hose barbs on the top of the cooler This bleeds off into the cooler s...

Страница 45: ...nts and hoses to identify leaks Fix any leaks and repeat air test before charging the AccuFlow system with anhydrous ammonia If the system is pressurized but the pressure gauge on the system and the g...

Страница 46: ...CHAPTER 3 42 AccuFlow Vortex and AccuFlow HP Installation and Operation Manual...

Страница 47: ...PROGRAMMING NH3 RATE CONTROL ENTERING BOOM CAL The boom cal for the AccuFlow system can be calculated with the following formula Number of Applicator Knives x Spacing in inches Implement Width EQ 1 FO...

Страница 48: ...Meter Cal Lb N EQ 2 Meter Cal Liter 0 506 Meter Cal Kg N EQ 3 Example 720 Gal 4 22 170 62 Lb N EQ 4 Example 190 Liter 0 506 375 494 Kg N EQ 5 ADJUSTING VALVE CAL Refer to the console Installation and...

Страница 49: ...e of 150 lbs N acre at an average of 5 5 mph and a calculated implement width of 480 inches the required capacity is 150 x 5 5 x 480 66 6 lbs N min 5940 EQ 7 SI Units Given a target application rate o...

Страница 50: ...This refrigerant then discharges through vapor knives installed behind applicator knives This may add extra NH3 to those rows Options to reduce the amount of refrigerant and row to row variances are...

Страница 51: ...x Implement Width inches lbN min 5940 EQ 10 To convert lbN Hr lbN lbN min min x 60 EQ 11 INSTALLING AND ORIFICE HOSE BARB FITTING 1 Follow the system bleed down procedure found in the AccuFlow manual...

Страница 52: ...oduct cable 7 Verify that all motorized valves are in the off position 8 Turn the AccuFlow emergency shut off valve s to the full open position 9 Connect and secure the hose from the AccuFlow implemen...

Страница 53: ...e console refer to the control console s Operation manual for details 2 Toggle the master switch to the off position 3 Toggle the console to manual control mode 4 Toggle the switch for section 1 boom...

Страница 54: ...CHAPTER 4 50 AccuFlow Vortex and AccuFlow HP Installation and Operation Manual...

Страница 55: ...r method for connecting and charging the AccuFlow system 1 Verify that all hoses fittings and mounting bolts are securely fastened or tightened 2 Verify that the AccuFlow flow meter is connected to th...

Страница 56: ...system pressures have stabilized verify that pressure gauge readings on the AccuFlow system and the nurse tank are matching If the pressure readings do not match one of the gauges may be defective an...

Страница 57: ...To setup the proper HP application mode from CAN Controller Status screen press Application box FIGURE 1 CAN Controller Status Settings and Node 1 Settings 3 In Node 1 Settings screen select HP and p...

Страница 58: ...CAN Controller Status b Low Supply will generate an error message if pump inlet pressure drops below set value 20 psi default adjustable from 0 50 psi from Node 1 Settings screen A setting of zero di...

Страница 59: ...r Pro manual for steps on pressure transducer calibration IMPORTANT Pressure transducers must be accurately calibrated for Low Supply Max Pressure and Pump Fault errors to work properly Cal both trans...

Страница 60: ...capacity Target Application Rate x Target Application Speed x Implement Width lbs kg N min 5940 60 000 EQ 1 NOTE Be sure to enter the target application rate in pounds kilograms of nitrogen per acre h...

Страница 61: ...52 kg N min SYSTEM CAPACITY CHART NOTE This figure assumes all recommended plumbing practices have been followed Failure to follow to those practices will limit the system capacity to lower values The...

Страница 62: ...pressure transducer reading with master switch off If the boost pump pressure rate cal is set too high excess vapor will form in the supply lines If vapor builds up in the supply lines the boost pump...

Страница 63: ...e 10 System operating pressure at control valve will display as P1 and pump inlet cooler pressure will display as P2 11 As daytime temperature and nurse tank pressure increases the tractor hydraulics...

Страница 64: ...CHAPTER 5 60 AccuFlow Vortex and AccuFlow HP Installation and Operation Manual...

Страница 65: ...gles face shield clothing that fully covers bare skin protective suit and gloves are required when working with anhydrous ammonia products NOTE Refer to Figure 1 and table on page 63 when referencing...

Страница 66: ...shut off valve Item 3 either by using the rope from the cab of the tractor or the handle on the valve itself on the AccuFlow Vortex cooler 7 Bleed and disconnect the nurse tank supply hose Item 2 from...

Страница 67: ...ank Main Shut off and Bleed Valves At Bulkhead or Withdrawal Valve 2 Supply Hose Bleed Valves and Breakaway Couplers 3 Accuflow System Emergency Shut off Valve and Rope to Tractor Cab 4 Accuflow Syste...

Страница 68: ...2 System Bleed and Emergency Shut off Side View Primary Bleed Valve Secondary Bleed Valve Vapor Hose Toolbar Hose to Breakaway Pressure Gauge Temperature Gauge Vortex Cooler Bleed Circuit Vapor Hose...

Страница 69: ...r assembly 3 Remove the four bolts on the Vortex cooler closest to the inlet 4 Remove the inner assembly with a twist pull motion 5 Clean residue from the inner assembly and inspect the Vortex cooler...

Страница 70: ...rings Raven recommends injection of nitrogen stabilizers downstream of heat exchanger components and plumbing Unit should be inspected disassembled and cleaned at the end of every season if nitrogen s...

Страница 71: ...r debris 4 Clean and inspect the teflon gasket and strainer screen and replace as necessary 5 Replace strainer screen and ceramic magnets into strainer body 6 Place the teflon gasket onto the strainer...

Страница 72: ...urbine and hub bearings are not worn hold the turbine bearing hub while spinning the turbine The turbine should spin freely with very little drag 7 If the bearing hub stud is adjusted or replaced repe...

Страница 73: ...cked out but the flow meter still is not reading properly verify that the sensor is threaded all the way into the flow meter body and the orientation groove on top of the sensor is parallel with flow...

Страница 74: ...CHAPTER 6 70 AccuFlow Vortex and AccuFlow HP Installation and Operation Manual...

Страница 75: ...ooting 71 CHAPTER7TROUBLESHOOTING WARNING Anhydrous ammonia may be under pressure Before disconnecting any fittings or hoses be sure to purge the system of all NH3 see Discharging the AccuFlow System...

Страница 76: ...ace if necessary b Remove all excess hose length between the nurse tank and break away coupler typically 12 feet c Remove excess hose between the break away coupler and the AccuFlow system typically 3...

Страница 77: ...s The console may require repair Contact a local Raven dealer for further assistance Speed constantly displays a zero value 1 Check speed sensor cable and connectors or the port on the back of the con...

Страница 78: ...61 before performing maintenance on the AccuFlow system 7 Verify that the nurse tank has a high flow valve Rate does not change in either manual or automatic control modes 1 Check the control valve ca...

Страница 79: ...to HP boost pump Refer to the Verifying AccuFlow HP Operation section on page 58 for details on adjusting the remote tractor hydraulics Low supply pressure Triggered when pump inlet pressure falls bel...

Страница 80: ...n an observed pressure reading 70 PSI and temperature reading 40 F The point where these two readings intersect is within the non vapor area SPEED SENSOR EXTENSION CABLE Disconnect the extension cable...

Страница 81: ...ce total does not increase remove the section of cable and repeat the test at the connector that is the next closest to the node If the distance total now increases with the short no short test replac...

Страница 82: ...otal volume number should increase by increments of 1 or more 5 If the total volume value does not increase remove the section of cable and repeat the test at the connector that is the next closest to...

Страница 83: ...ACCUFLOW DIAGRAMS The AccuFlow Vortex one and two valve systems may be operated using standard Raven SCS control cabling Refer to the figure below for additional components used with the AccuFlow HP s...

Страница 84: ...CHAPTER 8 80 AccuFlow Vortex and AccuFlow HP Installation and Operation Manual FIGURE 1 AccuFlow Vortex and HP System Diagram 054 1201 001...

Страница 85: ...7 66 0 1 7 3 80 1 20321 176 70 3 57 180 5 6 5 37 21 63 127 9 9 7 5267 7 9 9 7 9 9 675 1 5 0 1 7 77 1 0 6 6 5 1 675 1 5 675 1 5 6 5 1 0 6 523 5 32 1 8 1 7 6 7 7 21 6 5 675 1 5 1 6 7 7 21 6 5 675 1 5 1...

Страница 86: ...176 70 3 57 180 5 6 5 37 21 63 127 5 8 02725 5 3 0 17 1 3 3803 25 1 3803 3 9 9 5267 7 5 1 9 9 137 0 0 35 0 5 9 9 5 1 38 6 7 02 8 7 21 283 1 5229 3 0 6 7 6 7 5 3 0 17 283 1 26 1 5 8 7 35 6685 7 8 2 6...

Страница 87: ...arts Replacement Parts Drawings 83 SYSTEM DIAGRAM AND REPLACEMENT PARTS FIGURE 4 Gauge Tree Sensor Flowmeter Valve Components 054 1201 001 6 5 1 2 11 9 8 4 10 7 3 7 7 13 12 15 12 11 14 1 15 14 13 12 1...

Страница 88: ...nd Operation Manual FIGURE 5 1 Gauge Tree and Valve Assembly 054 1201 001 11 23 26 7 25 24 8 13 15 32 28 27 14 9 20 27 19 28 16 22 5 6 1 6 2 17 18 3 15 13 10 8 12 21 33 32 31 29 28 27 26 25 24 23 22 2...

Страница 89: ...SYSTEM DIAGRAM AND REPLACEMENT PARTS FIGURE 6 Optional Outlet Kits 054 1201 001 70 3 57 180 5 6 5 37 21 63 127 0 1 7 5281 9 9 5267 7 5 9 9 675 1 5 6 5 1 0 6 9 9 137 137 8 3257 6 7 5 3 0 17 675 1 5 7...

Страница 90: ...CHAPTER 8 86 AccuFlow Vortex and AccuFlow HP Installation and Operation Manual REPLACEMENT PARTS FIGURE 7 RFM 60S 60SG Flow Meter Replacement Parts 054 0159 144...

Страница 91: ...System Diagram and Replacement Parts Replacement Parts 87 SYSTEM DIAGRAM AND REPLACEMENT PARTS FIGURE 8 RFM 15s 15sg Flow Meter Replacement Parts 054 0159 334...

Страница 92: ...peration Manual FIGURE 9 1 1 2 Ball Valve Replacement Parts 054 0159 342 67 9 9 21752 9 9 21 2 9 9 7 0 5 9 1 3 57 180 5 6 5 37 21 02725 66 0 21752 9 9 02725 66 0 21 2 9 9 02725 66 0 67 9 9 5 7 283 5 6...

Страница 93: ...ACEMENT PARTS FIGURE 10 1 Ball Valve Replacement Parts 054 0159 348 9 17 1 83675 0 1 26 6 7 67 9 9 21752 9 9 21 2 9 9 7 0 5 9 1 3 57 180 5 6 5 37 21 02725 66 0 21752 9 9 02725 66 0 21 2 9 9 02725 66 0...

Страница 94: ...CHAPTER 8 90 AccuFlow Vortex and AccuFlow HP Installation and Operation Manual...

Страница 95: ...ol Node 31 Installing Hydraulic Valve 34 Pump Upgrade 33 Vortex Cooler 66 C Calculating the Required Capacity 45 47 56 Calibration Boom Cal 43 Meter Cal 43 Pressure Transducers 51 Rate Cal 44 56 Speed...

Страница 96: ...Strainer Maintenance Procedure 67 Vortex Cooler 65 Servicing and Storing the AccuFlow System 65 System Capacity Chart 46 57 System Diagram 79 System Diagram and Replacement Parts Replacement Parts 80...

Страница 97: ...r s responsibility The Return Materials Authorization RMA number must appear on the box and all documentation including proof of purchase must be included inside the box to be sent to Raven Industries...

Страница 98: ...claim and send it to Raven Industries for final approval The freight cost to Raven Industries will be the customer s responsibility The Return Materials Authorization RMA number must appear on the box...

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