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Fristam Pumps FKL 15 Instruction And Maintenance Manual

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INSTRUCTION AND MAINTENANCE MANUAL:
FKL 15
20 STYLE PUMP
AND
Sanitary Positive Displacement Pump

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Summary of Contents for Fristam Pumps FKL 15

  • Page 1 INSTRUCTION AND MAINTENANCE MANUAL: FKL 15 20 STYLE PUMP Sanitary Positive Displacement Pump...
  • Page 2 The FKL 15 & 20 series pump features a unique balanced rotor design with heavy-duty shafts allowing the pump to maintain its efficiency at differential pressures up to 200 psi. The pump also features rotors made from “non-galling”...

  • Page 3: Table Of Contents

    FKL 15 & 20 Series Pump ABLE OF ONTENTS Technical Information ..........................4 Installation ..............................5-8 Recommended Preventive Maintenance ......................9 Mechanical Seal Assembly drawings ......................10 O-Ring Seal Assembly drawings .........................11 Seal Part Numbers ............................12 Exploded Pump Head Assembly .........................13 Exploded Pump Gearbox Assembly ......................14 Pump Head and Gearbox Part Numbers ....................15...

  • Page 4: Technical Information

    Fristam Pumps ECHNICAL NFORMATION PECIFICATIONS Maximum Pressure Rating ......................200 PSIG Normal Speed Range.........................0 to 600 RPM Normal Temperature Differential (Standard Rotors) ................. Δ 140°F Normal Temperature Differential (High Temperature Rotors) ............Δ 210°F TANDARD ATERIALS OF ONSTRUCTION THER OPTIONS AVAILABLE Product Contact Components ................AISI 316L Stainless Steel...

  • Page 5: Installation

    FKL 15 & 20 Series Pump NSTALLATION NPACKING Check the contents and all wrapping when unpacking the pump. Inspect the pump carefully for any damage that may have occurred during shipping. Immediately report any damage to the carrier. Keep the protective caps over the pump inlet and outlet in place until you are ready to install the pump.
  • Page 6 Fristam Pumps • Avoid sump areas where sediment may IGURE collect (figure 3). • Use a check or “foot” valve on the inlet side of the pump in lift applications to keep the suction piping flooded. • Avoid throttling valves in the suction piping.
  • Page 7 FKL 15 & 20 Series Pump LIGNMENT In most cases, the pump will be shipped with a drive unit mounted on a baseplate. The drive and pump are aligned at the factory; however, this alignment should be checked after installation (Figure 7). Misalignment between the pump and drive can result in premature bearing failure or other damage.
  • Page 8 A change in conditions (for example, higher viscosity product, higher product specific gravity) can overload the motor. For technical assistance regarding operating condition changes, please contact Fristam Pumps. Make sure that the pump is rotating in the correct direction. ATER...

  • Page 9: Recommended Preventive Maintenance

    FKL 15 & 20 Series Pump ECOMMENDED REVENTIVE AINTENANCE ECOMMENDED AINTENANCE • Visually inspect mechancical seal daily for leakage. • Replace mechanical seal annually under normal duty. • Replace mechanical seal as often as required under heavy duty. LASTOMER NSPECTION Inspect all elastomers (o-rings and gaskets) when performing pump maintenance.

  • Page 10: Mechanical Seal Assembly Drawings

    Fristam Pumps INGLE ECHANICAL SSEMBLY Single Seal Single Spring Stationary Seal Rotating Seal Rotor Bolt O-Ring Rotating Seal O-Ring Rotor Cap Single Stationary Rotor O-Ring O-Ring Seal O-Ring OUBLE ECHANICAL SSEMBLY Double Seal Single Seal Spring Double Spring Stationary Seal...

  • Page 11: O-Ring Seal Assembly Drawings

    FKL 15 & 20 Series Pump INGLE SSEMBLY O-Ring Seal O-Ring Single O-Ring Seal Rotor Bolt O-Ring Rotating Seal O-Ring Rotor Cap Single Stationary Rotor O-Ring O-Ring Seal O-Ring OUBLE SSEMBLY Double Stationary O-Ring Seal O-Ring Seal O-Ring Double O-Ring Seal...

  • Page 12: Seal Part Numbers

    Fristam Pumps Single Mechanical Seal Double Mechanical Seal Description Material Part No. Description Material Part No. Viton 1180000085 Viton 1180000085 Rotor Bolt O-Ring Rotor Bolt O-Ring EPDM 1180000188 EPDM 1180000188 Viton 1180000700 Viton 1180000700 Rotor Cap O-Ring Rotor Cap O-Ring...

  • Page 13: Exploded Pump Head Assembly

    FKL 15 & 20 Series Pump...

  • Page 14: Exploded Pump Gearbox Assembly

    Fristam Pumps...

  • Page 15: Pump Head And Gearbox Part Numbers

    FKL 15 & 20 Series Pump...

  • Page 16: Pump Head Disassembly

    Fristam Pumps ISASSEMBLY IGURE Remove the cover nuts. Remove the cover by turning the forcing screws clockwise. Remove the cover and discard the cover o- ring. Jacket Cover Only: Remove cover nuts, then remove jacketed cover and jacketed cover o- ring.
  • Page 17 FKL 15 & 20 Series Pump IGURE Remove the housing screws . Carefully slide the housing forward and remove. Note: Keep housing free from damage, e.g., nicks and dings, to ensure high efficiency the pump was designed for. ECHANICAL ISASSEMBLY For O-Ring Seal disassembly - skip to Figures 17.
  • Page 18 Fristam Pumps IGURE Remove and discard the rotating seals and o-rings. RING ISASSEMBLY Double O-Ring Single O-Ring IGURE Seal Components Seal Compo- Place the housing face down. Remove and discard the single o-ring seals and o-rings. Double Seal Only: Remove and discard the...

  • Page 19: Pump Head Assembly & Seal Replacement

    FKL 15 & 20 Series Pump Note: The housing, rotors and cover should be cleaned before reassembly. ECHANICAL SSEMBLY For O-Ring Seal assembly - skip to Figures 23-24. Seal Pins IGURE Install the single stationary seal o-rings. Install the single seal springs making sure to align the seal pins on the housing with the cut- outs on the springs.
  • Page 20 Fristam Pumps IGURE Seal Pins Double Seal Only: Install the double stationary seal o-rings. Install the double seal springs making sure to align the seal pins on the housing with the cut-outs on the springs. Double Stationary SealO-ring Align pin...

  • Page 21: Seal O-Rings

    FKL 15 & 20 Series Pump OTATING SSEMBLY IGURE Install the rotating seal o-rings. Install the rotating seals making sure to align the flats on the seals with the flats on the shaft. Rotating Seal O-ring SSEMBLY Double Stationary IGURE Seal O-ring Install the single stationary seal o-rings.
  • Page 22 Fristam Pumps IGURE Install the rotating seal o-rings. Install the o-ring seal o-rings. Install the single or double o-ring seals making sure to align the flats Lubricate (Single Seal) on the seals with the flats on the shafts. Rotating Seal O-ring...
  • Page 23 FKL 15 & 20 Series Pump IGURE Install the rotor o-ring. IGURE Insert the rotor keys into the shaft keyways. Install the rotors with the rotor o- ring facing the housing. Note: The rotor with one dot should be installed on the drive...
  • Page 24 Fristam Pumps IGURE Install the rotor cap o-ring. IGURE Install the rotor caps making sure to align the holes with each other. IGURE Install the rotor bolt o-ring. Align Holes IGURE Place the Dowel Place a 1/2” diameter wooden dowel be-...
  • Page 25 FKL 15 & 20 Series Pump IGURE Install the cover o-ring. The Forcing Screws must be below the back face of the Cover IGURE Carefully slide the cover onto the housing. Use a torque wrench to tighten the cover nuts.

  • Page 26: Pump Gearbox Disassembly

    Fristam Pumps EARBOX ISASSEMBLY Prior to disassembling the gearbox, obtain a gearbox repair kit from Fristam, then complete the pump head disassembly (Figure 11-17, page 15-17). IGURE Place an oil pan under the gearbox, below the oil drain hole. Remove the oil drain plug.
  • Page 27 FKL 15 & 20 Series Pump IGURE Remove and discard the rear oil seal and shaft hole plug. Use a screwdriver to remove and discard the rear outer bearing race by pressing through the shaft holes. Press out the outer bearing race...
  • Page 28 Fristam Pumps IGURE Remove the bearing cover bolts. Remove the shaft assemblies. IGURE Remove the rear bearing, gear and gear spacers by pressing on the bearing cover. Remove the bearing cover and gear key. Discard the bearing. IGURE Remove the front bearings and bearing spacers by pressing on the inner race of the front bearing.

  • Page 29: Pump Gearbox Assembly & Shaft And/Or Bearing Replacement

    FKL 15 & 20 Series Pump IGURE Remove and discard the front oil seals and gapping shims. Note: Clean the gearbox, gears and shafts. EARBOX SSEMBLY IGURE Install the new front oil seals and gapping shims.
  • Page 30 Fristam Pumps IGURE Make sure to keep all bearing components together when re- moving them from the packaging. Press They must stay together in Lightly matched sets. grease Lightly grease the front bearing Press step. IGURE Install the first bearing by pressing on the inner race.
  • Page 31 FKL 15 & 20 Series Pump IGURE Install the gear spacers, gear key and gear. Keyways must be parallel IGURE The gear keyways must be parallel.

  • Page 32: Setting The Rotor Gap

    Fristam Pumps IGURE Install the rear bearing by pressing on the inner race. Install the bearing lockwasher and bearing locknut. Tighten the bear- ing locknut with a torque wrench Press Use a screwdriver to bend the bear- ing lockwasher tab into one of the Press slots on the locknut.
  • Page 33 FKL 15 & 20 Series Pump Gapping Shims IGURE Once the clearances are correct, rotate the pump shaft to verify that the rotors turn freely. IGURE Lightly grease the rear bearing bores. Press the outer bearing race into the rear...

  • Page 34: Gearbox Nuts

    Fristam Pumps IGURE Install a new gearbox gasket. Install the gearbox back. Use a torque wrench to tighten the gearbox nuts. IGURE Remove the vent cap and fill the gearbox with oil to the center of the sight glass. Replace the vent cap.
  • Page 35 FKL 15 & 20 Series Pump AINTENANCE ECORD ERVICE ERFORMED ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________...

  • Page 36: Warranty

    Fristam Pumps’ option, the refund of the purchase price for such items. In no event, including in the case of a claim for negligence, shall Fristam Pumps be liable for incidental or consequential damages, including loss of profits.
  • Page 37 2410 Parview Road • Middleton, WI 53562-2524 © Copyright 2005 - Fristam Pumps USA Limited Partnership 1-800-841-5001 • 608-831-5001 Drawing # 1250000003 Rev - Website: www.fristam.com Part # 1050000185 Email: fristam@fristampumps.com Visit www.fristam.com for a current list of literature.

This manual is also suitable for:

Fkl 20

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