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How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
How to Fix LMI and Roytronic Metering Pumps
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How to Fix LMI and Roytronic Metering Pumps

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How to fix LMI and Roytronic Metering Pumps. Problems, Causes and Solutions -- Step-By-Step with Photos.

How to fix LMI and Roytronic Metering Pumps. Problems, Causes and Solutions -- Step-By-Step with Photos.

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  1. LMI Roytronic ® Troubleshooting LMI and LMI Roytronic ® Pumps LMI
  2. Introduction <ul><li> </li></ul><ul><li> </li></ul><ul><li>Problems </li></ul><ul><li> Causes </li></ul><ul><ul><ul><li> Solutions </li></ul></ul></ul>Helping your customers when their pump stops working.
  3. Troubleshooting Overview <ul><li>These five problems will be addressed: </li></ul><ul><li>Pump will not prime or loses prime </li></ul><ul><li>Leakage at tubing or fitting </li></ul><ul><li>Low output – fails to pump against pressure </li></ul><ul><li>Excessive pump output </li></ul><ul><li>Failure to run </li></ul>
  4. Protective Clothing and Eye Protection Wear protective clothing and eye protection Check MSDS sheet for other precautions
  5. <ul><li>Pump Will Not Prime or Loses Prime </li></ul><ul><li>Possible Cause </li></ul><ul><li>Output dials not set properly </li></ul><ul><li>Solution </li></ul><ul><li>Always prime pump with speed at 80% and stroke at 100% </li></ul>STROKE LENGTH KNOB SPEED KNOB
  6. I. Pump Will Not Prime or Loses Prime <ul><li>Possible Cause </li></ul><ul><li>Foot valve not in vertical position on bottom of tank </li></ul><ul><li>Solution </li></ul><ul><li>Foot valve must be vertical </li></ul>Foot valve Filter screen Ceramic weight
  7. <ul><li>Pump Will Not Prime or Loses Prime </li></ul><ul><li>Possible Cause </li></ul><ul><li>Pump suction lift too </li></ul><ul><li>high </li></ul><ul><li>Solution </li></ul>Keep Suction Lift < 5 FT
  8. I. Pump Will Not Prime or Loses Prime <ul><li>Possible Cause </li></ul><ul><li>Pump suction lift too high </li></ul><ul><li>Solution </li></ul><ul><li>Pumps with high viscosity liquid-handling assemblies require flooded suction </li></ul>
  9. <ul><li>Possible Cause </li></ul><ul><li>Suction tubing is curved or coiled in tank </li></ul><ul><li>Solution </li></ul><ul><li>Suction tubing must be vertical </li></ul><ul><li>Pump Will Not Prime or Loses Prime </li></ul>Parts Item # 32293
  10. <ul><li>Possible Cause </li></ul><ul><li>Air trapped in suction tubing </li></ul><ul><li>Solution </li></ul><ul><li>Suction tubing should be as vertical as possible. Avoid false flooded suction! </li></ul><ul><li>Pump Will Not Prime or Loses Prime </li></ul>
  11. <ul><li>Pump Will Not Prime or Loses Prime </li></ul><ul><li>Possible Cause </li></ul><ul><li>Solution container </li></ul><ul><li>ran dry </li></ul><ul><li>Solution </li></ul><ul><li>Refill container with solution and reprime </li></ul>
  12. <ul><li>Pump Will Not Prime or Loses Prime </li></ul><ul><li>Possible Cause </li></ul><ul><li>Air leak on suction side </li></ul><ul><li>Solution </li></ul><ul><li>Check for pinholes and/or cracks </li></ul><ul><li>Replace if necessary </li></ul>
  13. <ul><li>Pump Will Not Prime or Loses Prime </li></ul><ul><li>For use with sodium hypochlorite and hydrogen peroxide applications </li></ul><ul><li>Automatic re-prime </li></ul><ul><li>Retrofit existing pumps </li></ul>AutoPrime Valve
  14. LMI Roytronic: Liquid Ends Mach AutoPrime Head Molded FastPrime Head Mach FastPrime Head 7X8 NI 7X8 SI 8XX SI 9XX SI 9XX HI ALL NEW!!
  15. I. Pump Will Not Prime or Loses Prime <ul><li>LMI Roytronic ® AutoPrime Head </li></ul>Features: Improved compact design Addition of second ball in the de-gassing valve prevents back-flow 4FV can be added for yet more features Machined Acrylic and PVC Head Only (No molded version ) One-Way Degassing Valve Suction Check Valve Spring-Loaded Discharge Check Valve ALL NEW!!
  16. II . Leakage at Tubing or Fitting <ul><li>Possible Cause </li></ul><ul><li>Worn tubing ends </li></ul><ul><li>Solution </li></ul><ul><li>Cut about 1 inch (25mm) off end of tubing and reinstall </li></ul>
  17. II. Leakage at Tubing or Fitting <ul><li>Possible Cause </li></ul><ul><li>Loose or cracked </li></ul><ul><li>fitting </li></ul><ul><li>Solution </li></ul><ul><li>Replace the fitting if cracked </li></ul><ul><li>Carefully - tighten </li></ul><ul><li>Once fitting comes into contact with seal ring, tighten an additional 1/8 or 1/4 turn </li></ul>
  18. <ul><li>All LMI pumps have straight screw machine threads on the head and fittings and are sealed by the seal rings or O-rings. </li></ul>DO NOT use Teflon ® tape or pipe dope to seal threads. Teflon ® tape may only be used on the ½ &quot; NPT thread side of the Injection Check Valve as well as stainless steel liquid end connections.
  19. <ul><li>All fittings should be -tightened. An additional 1/8-1/4 turn may be necessary to provide a leak-proof seal. </li></ul>
  20. II . Leakage at Tubing or Fitting <ul><li>Possible Cause </li></ul><ul><li>Worn seal rings </li></ul><ul><li>Solution </li></ul><ul><li>Replace seal rings and balls </li></ul><ul><li>Purchase </li></ul><ul><li>Spare Parts SP-XX </li></ul><ul><li>or </li></ul><ul><li>RPM PRO PAC™ kit </li></ul>
  21. II. Leakage at Tubing or Fitting Compression washers are located in fittings and function valves If necessary, remove the washer Push washer into fitting by to avoid damage How to : Replace a Compression Washer
  22. II. Leakage at Tubing or Fitting BOTTOM TOP Direction of Flow CORRECT INCORRECT Smooth side Ball seat side TOP BOTTOM How to: Correctly Install Cartridge Valves
  23. II. Leakage at Tubing or Fitting Install new cartridge valves or check valve balls and seal rings in pump head O-ring How to: Replace Suction and Discharge Cartridge Valves (Check Valve)
  24. II. Leakage at Tubing or Fitting Direction of Flow Configuration 2 FOOTVALVE FOR LARGER PUMPS (WITHOUT CARTRIDGE) Configuration 1 FOOTVALVE FOR SMALLER PUMPS (WITH CARTRIDGE ) CARTRIDGE VALVE SHOWN DIS-ASSEMBLED { SEAL RING BALL Foot Valves come in TWO basic configurations
  25. Place O-ring on cartridge valve Position ball seat side of cartridge valve toward floor II. Leakage at Tubing or Fitting CARTRIDGE VALVE O-RING How to: Install new cartridge valve and O-ring (Floor) (Ceiling) Position ball seat side this surface down. - tighten
  26. II. Leakage at Tubing or Fitting SPRING BALL PTFE SEAT O-RING Install New Injection Check Valve Components Flapper Valve - tighten
  27. III. Low Output/Fails to Pump Against Pressure <ul><li>Possible Cause </li></ul><ul><li>System pressure exceeds pump’s maximum pressure </li></ul><ul><li>Solution </li></ul><ul><li>Do not exceed maximum on Pump Data Plate </li></ul>
  28. Replace worn parts every 6-12 months carries parts and kits III. Low Output/Fails to Pump Against Pressure
  29. <ul><li>Possible Cause </li></ul><ul><li>Worn seal rings </li></ul><ul><li>Solution </li></ul><ul><li> Replace worn seal rings or cartridge valves </li></ul><ul><li> Purchase </li></ul><ul><li>Spare Parts SP-XX </li></ul><ul><li>or </li></ul><ul><li>RPM PRO PAC™ kit </li></ul>III. Low Output/Fails to Pump Against Pressure
  30. III. Low Output/Fails to Pump Against Pressure <ul><li>Possible Cause P ressure control setting is incorrect </li></ul><ul><li>Solution </li></ul><ul><li>Change pressure setting </li></ul>9 Series Pump Note: Pressure level ranges from 0 – 5 Press the Mode Key and Up Key simultaneously and hold for 2 seconds Alter the pressure using Up and Down Keys P5 Pressure level control Mode Key Up Key Down Key
  31. III. Low Output/Fails to Pump Against Pressure <ul><li>Possible Cause Pressure control setting is incorrect </li></ul>Solution Change pressure setting Adjust with screw driver B/C & 7 Series Pump
  32. <ul><li>Possible Cause </li></ul><ul><li>Ruptured Liquifram™ </li></ul><ul><li>(diaphragm) </li></ul><ul><li>Solution </li></ul><ul><li>Replace Liquifram™ (diaphragm) </li></ul>III. Low Output/Fails to Pump Against Pressure
  33. Replacing the Liquifram™ TURN THE PUMP OFF! Twisting the pressure relief knob (black) 1/4 turn will de-pressurize the line Step 1 : De-pressurize the Liquid End III. Low Output/Fails to Pump Against Pressure
  34. Replacing the Liquifram™ Turn the coupling nut and remove the tubing from the fitting by pulling up . Step 2: Remove the Discharge Tubing III. Low Output/Fails to Pump Against Pressure
  35. Turn the coupling nut to remove and pull the tubing out of the valve Step 3: Remove the Return Line Tubing Replacing the Liquifram™ III. Low Output/Fails to Pump Against Pressure
  36. Turn the 4-FV to remove Replacing the Liquifram™ Step 4: Remove the 4-FV III. Low Output/Fails to Pump Against Pressure
  37. Remove the suction tubing by unscrewing it Remove the cartridge valve or check valve ball and seal ring from the pump head Step 5: Remove the suction fitting Replacing the Liquifram™ III. Low Output/Fails to Pump Against Pressure
  38. Remove the four screws that mount the pump head Step 6: Remove the pump head Replacing the Liquifram™ III. Low Output/Fails to Pump Against Pressure
  39. Remove the pump Liquifram ™ by turning it Replacing the Liquifram™ Step 7: Remove the pump Liquifram™ III. Low Output/Fails to Pump Against Pressure
  40. Discard the Liquifram ™ and inspect the backing disk for damage Step 8: Remove the Liquifram™ and the backing disk Replacing the Liquifram™ Liquifram™ Backing disk III. Low Output/Fails to Pump Against Pressure
  41. Remove used shaft seal Step 9: Remove the shaft seal Replacing the Liquifram™ III. Low Output/Fails to Pump Against Pressure
  42. Push the seal in place by using a large hollow pen cap or wrench socket large enough to clear the Liquifram ™ shaft Step 10: Install the new shaft Replacing the Liquifram™ III. Low Output/Fails to Pump Against Pressure
  43. Replacing the Liquifram™ Step 10 (cont.) III. Low Output/Fails to Pump Against Pressure
  44. Replacing the Liquifram™ Step 10 (cont.) Before starting the pump, match the pump series with the stroke knob setting on this chart. III. Low Output/Fails to Pump Against Pressure 70% C13, C14, C73, C74, C77, C93, C94, E73, E74 50% C78 90% All A, B, J and P Series C10, C11, C12, C70, C71, C72, C76, C90, C91, C92, E70, E71, E72 Stroke Knob Setting Pump Series Liquifram ™ Stroke Setting Chart
  45. Turn both the disk and new Liquifram ™ moving the Liquifram ™ until its center is flush with the outside housing Step 11: Install the disk and new Liquifram™ Replacing the Liquifram™ III. Low Output/Fails to Pump Against Pressure
  46. Replacing the Liquifram™ III. Low Output/Fails to Pump Against Pressure
  47. Lightly re-install the four mounting screws and then tighten gradually in a crisscross pattern until tight Step 12: Re-install the Pump Head Replacing the Liquifram™ You’re done replacing the Liquifram™ . . . III. Low Output/Fails to Pump Against Pressure
  48. <ul><li>Install the 4-FV and the suction valve </li></ul><ul><li>Re-connect the tubing on suction and discharge sides </li></ul>III. Low Output/Fails to Pump Against Pressure
  49. III. Low Output/Fails to Pump Against Pressure <ul><li>Possible Cause </li></ul><ul><li>Incorrect stroke length </li></ul><ul><li>Solution </li></ul><ul><li>Check zero or re-zero pump </li></ul><ul><li>With pump running , turn stroke knob </li></ul><ul><li>toward zero or end of black or red band on dial </li></ul><ul><li>The pump should operate quietly without clicking at the zero position; if not, the pump zero must be reset. </li></ul>
  50. <ul><li>Remove stroke knob by grasping the knob firmly and pulling it toward you </li></ul><ul><li>Pry off the yellow cap </li></ul><ul><li>Place the knob on a flat surface </li></ul><ul><li>Using needle-nose pliers, squeeze the inner section together while lifting the outer section up </li></ul><ul><li>Push the inner section back onto the “D”-shaped stroke </li></ul>HOW TO: Re-Zero Type I Pump -- Push-On Knob III. Low Output/Fails to Pump Against Pressure
  51. HOW TO: Re-Zero Type I Pump -- Push-On Knob (Cont.) With the pump running, zero the pump as before Push down on the outer section (a snap sound indicates parts are locked together) Replace the yellow cap over the outer section of the knob, aligning the tabs on the cap with the slots inside the knob III. Low Output/Fails to Pump Against Pressure
  52. <ul><li>How to: Re-Zero Type II Pump -- Collet Knob </li></ul><ul><li>Remove the Yellow Cap </li></ul><ul><li>Hold knob with soft jaw pliers </li></ul><ul><li>Loosen but do not remove the 5/16” (8mm) collet nut to disconnect the knob </li></ul><ul><li>Pull the knob toward you to remove </li></ul><ul><li>With the pump running, zero the pump as before </li></ul><ul><li>Position the knob at zero, or the end of the low range band, and tighten the 5/16” (8mm) collet nut </li></ul><ul><li>Replace the yellow cap </li></ul>III. Low Output/Fails to Pump Against Pressure
  53. III. Low Output/Fails to Pump Against Pressure ALL NEW!! Stroke Adjustment for the Roytronic® pump <ul><li>Install a new Stroke Shaft. There might be resistance as the O-ring slides into the control panel. To get the STROKE SHAFT completely forward, turn the Stroke Shaft by using the Stroke Knob until there is no diaphragm movement. It may be necessary to turn on the pump in order to get the SHAFT forward. </li></ul><ul><li>Once the Stroke Shaft is completely forward, reset the stroke length by pressing in the Stroke Knob so that the Stroke Knob Pointer indicates 0 (zero) </li></ul><ul><li>Install the Stroke Knob Screw using a Phillips </li></ul><ul><li>Insert the Stroke Knob Pointer into the Stroke Knob </li></ul>Roytronic ® TO AVOID PUMP DAMAGE be sure the Stroke Shaft is contacting the plunger before turning on pump
  54. <ul><li>Possible Cause </li></ul><ul><li>Tubing run on discharge may be too long. </li></ul><ul><li>Solution </li></ul><ul><li>Reduce tubing run length </li></ul><ul><li>Shorten tube length for higher viscosity fluids </li></ul><ul><li>Increase tube diameter to permit longer run length </li></ul><ul><li>Consult </li></ul><ul><li>for more information </li></ul>III. Low Output/Fails to Pump Against Pressure
  55. <ul><li>Possible Cause </li></ul><ul><li>Clogged Foot Valve strainer </li></ul><ul><li>Solution </li></ul><ul><li>Remove the Foot Valve Strainer and clean it. </li></ul><ul><li>Replace if cracked or damaged </li></ul>Foot Valve Strainer III. Low Output/Fails to Pump Against Pressure
  56. IV. Excessive Pump Output <ul><li>Possible Cause </li></ul><ul><li>Siphoning (pumping downhill without a multi-function valve) </li></ul><ul><li>Solution </li></ul><ul><li>Move injection point to a pressurized location or install an LMI 4-FV when applicable </li></ul>
  57. IV. Excessive Pump Output <ul><li>Possible Cause </li></ul><ul><li>Little or no pressure at injection point </li></ul><ul><li>Solution </li></ul><ul><li>If pressure at injection point is less than 25 PSI (1.7 Bar) install an LMI multi-function valve when applicable </li></ul>
  58. IV. Excessive Pump Output <ul><li>Remove the yellow screw cap on the top of the pump head and screw in the valve so that it contacts the O ring. An additional 1/8 -1/4 turn may be necessary to prevent leakage </li></ul><ul><li>1/4 &quot; O.D. tubing connects to the side of the valve and acts as a return line to the solution tank. To ensure priming, this tubing must NOT be submerged in the solution. </li></ul>Secure return line to ensure pumped solution returns to supply tank Multi-Function (4-FV) Valve Tubing Connection
  59. IV. Excessive Pump Output ALL NEW!! 4FV Improves diaphragm sealing Double ball design Roytronic ® Encapsulated Hardware Ergonomic Knobs FEATURE RICH Mates onto discharge check valve giving customer control of rotational alignment
  60. IV. Excessive Pump Output ALL NEW!! 4FV NEW TUBING CONNECTIONS Roytronic ®
  61. IV. Excessive Pump Output ALL NEW!! 4FV DO NOT OVER TIGHTEN STEP 1 Thread the 4FV fitting onto the head STEP 2. Insert ¼&quot; tubing through Bleed Nut DO NOT SUBMERGE TUBING IN SOLUTION Assemble 4FV Fitting and Coupling Nut with appropriate cartridges into the discharge port of the pump. Use 13/16” or 20mm socket wrench to tighten to 50 inch -pounds. STEP 3. - t i g ht e n Bl e ed Nu t NOTE Roytronic ® O-Ring O-Ring
  62. IV. Excessive Pump Output <ul><li>Possible Cause </li></ul><ul><li>Excessive strokes per minute </li></ul><ul><li>Solution </li></ul><ul><li>Consult </li></ul><ul><li>PULSER may need replacement </li></ul>
  63. V. Failure to Run <ul><li>Possible Causes </li></ul><ul><li>EPU (Electronic Processing Unit) </li></ul><ul><li> or </li></ul><ul><li>PULSER failure </li></ul><ul><li>Solution </li></ul><ul><li>DO NOT VOID YOUR WARRANTY </li></ul><ul><li>by attempting to repair your EPU or PULSER yourself </li></ul><ul><li>Contact </li></ul><ul><li>Authorized Warranty Service Center </li></ul>
  64. TROUBLESHOOTING LMI and ROYTRONIC ® PUMPS THE END

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