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

1. LMI Roytronic ® Troubleshooting LMI and LMI Roytronic ® Pumps LMI

4. Protective Clothing and Eye Protection Wear protective clothing and eye protection Check MSDS sheet for other precautions

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!!

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

28. Replace worn parts every 6-12 months carries parts and kits 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

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

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" 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

64. TROUBLESHOOTING LMI and ROYTRONIC ® PUMPS THE END