BASIC SERVICE MANUAL
Contents
1. At every tube change trim approximately 1 the end of both the suction and discharge lines before installing new ferrules Replace duckbill 26 100 psi applications and ferrules with every new tube BASIC SERVICE MANUAL 21 Pump Tube CONDITIONS THAT REDUCE TUBE LIFE continuea 600090000000090000009000009000000000009009000000000000900009000000900900000000000900000000009000090090000000000000000000000000000000000000000000000090000000090000009000000090009090909 SPLIT ALONG SIDE OF THE TUBE The tube rubbing against the edge of the tube housing can cause the side to split Corrective Action Always follow the factory s tube replacement instructions which include centering the tube on the rollers Rollers Tube off center on rollers Cover Plate2. The suction line should not be inserted to the bottom of the weighted strainer If the suction becomes flush with the nose of the strainer the pump may not prime due to blockage Use Stenner suction and discharge tubing rain roof and UV gray tank for outdoor applications 10 www stenner com Installation Points COMPRESSION SEAL The suction and discharge lines are installed to the pump tube fittings with a compression type seal consisting of the connecting nut and ferrule The beveled end of the ferrule Should face the tube fitting and the suction and discharge lines should bottom into the tube fitting Discharge Line Suction Line Finger tighten connecting nut DO NOT use thread seal tape on pump tube threads DO NOT use pliers For 3 8 connections only While stabilizing the tube fitting attach female end of
3. Index pin retracts when lifted BASIC SERVICE MANUAL 29 Feed Rate Control FEED RATE CONTROL WEAR 6000900000000900000090000009000000000000090000000000009000000000009000000000000009000000000009000000900000000000000000009000000900000000000000000000009000000009000000900000000009090909 Indication of wear is apparent when the feed rate control makes a skipping or ratcheting sound The pump output is less than the desired setting GROOVE IN CAM More cam is exposed to the rotation of the lifter at lower dial ring settings leading to cam wear and causing index malfunctioning Higher settings will reduce cam wear Inspect and replace cam as needed WORN LIFTER If the lifter arm wears and flattens it may not fully lift the pin out of the index plate The pin will make a ratcheting sound from Flat area dragging across the plate The feed rate control will index inconsistently at different settings Replace the lifter as needed WORN INDEX PLATE worn cam or lifter can cause the carbide tipped index pin to drag across the index plate and elongate its holes The pin will skip across the holes and cause index malfunction The plate can be flipped to use the other side or it may be replaced Remember to grease with AquaShield Worn groove in plastic cam Should look like this Index plate wi
4. Cover screws are self tapping and must be backed in to locate original threads before securing If a screw boss is stripped use alternate bosses and position opposite from each other Never secure the cover plate with more than 2 screws 26 www stenner com Pump Tube CENTER TUBE 0600900090000000900090900000000000090000000000900900000000000000000000000900000000000000000000000000000000000000900000000000900000000000000000000000009000000000000000000900000009 To center pump tube on rollers set feed rate dial to setting 10 Turn pump on 2 the tube fitting on the suction side not more than 1 8 of a turn in the direction tube must move 3 00 NOT let go of fitting until tube rides approximately in center of rollers Turn pump off let go of fitting and finger tighten cover screws Cover is not on securely if there is a gap between screw boss and cover Cover Screw Boss Leave the screw loose Gap TUBE CHANGE FOR FIXED OUTPUT PUMP To install a new tube in a fixed output pump follow the instructions for the adjustable pump and utilize the on off switch to jog the roller assembly in the absence of the feed rate control 009099090000990900909009009909090990909090090000000900090000909000909900090900000090090090009090900090990000009900909009000090000099000000990009009000000000009000090900900090000090000009009200000099 At every tube change trim approximately 1 off the en
5. The tube will not center if it twists during installation or if the rollers are worn Refer to the Trouble Shooting guide in the Classic Series Installation Manual for more pump tube and pump head conditions and solutions 22 www stenner com Pump Tube REMOVE TUBE 06009000900000090900090900000000000090000000000900900090000000000000000000090000009000000000000000000000000000000009000000000090000000000000000000000000000000000000000000900000009 Remove and set aside cover and screws Set feed rate dial on setting L Turn pump on and let it run until one of three roller assembly slots lines up with the tube fitting on the suction side Turn pump off Lift tube fitting out of housing slot and pull it toward center of roller assembly Turn pump on and allow roller assembly to jog while guiding tube with tension up and out of housing 1 Turn pump off Remove and discard pump tube S 3 SSS Kia Slots on Via 2 Copy ALIA ESSE Y E Y Pull out Prior to tube removal pump water through tube to remove chemical BASIC SERVICE MANUAL 23 Pump Tube REMOVE TUBE continued 10 11 12 13 14 15 609000000000009009000000000009000000000000900000090000900000000000000000090090000009000000900000000000900900000000000000000000000900000000000000000000000009000009000000000099 Remove roller assembly shaft and housing Use non citru
6. Flip worn index plate over OR install new index plate Clean out FRC channel before installing new cam Apply AquaShield to lubricate the cam s angled tip Feed angled cam tip into the FRC channel and keep the 90 end in up position Place thumb over the cam to guide as it is inserted in the channel 7 Continue to feed the cam in the channel until there is approximately a 1 2 gap between the cam tip and the beginning of the channel Angled tip 3 8 wrench Angled end Installing New Cam 90 end qi 90 angle 32 www stenner com Feed Rate Control PARTS REPLACEMENT continued 660090009000000090009090000000000009000000000090090000000000000000000000090000000000000000000000000000000000000000000000000900000000000000000000000000000000000000090000900000009 Apply Aquashield to the inside of the dial ring for easier turning 9 Place dial ring boss onto the cam s 90 end 10 While keeping the 90 end in the boss and the cam in the FRC channel in a clockwise motion place the dial ring onto the FRC housing and snap into place 11 Apply AquaShield to bottom of the FRC housing before placing index plate inside Apply AquaShield to the top of the index plate 12 Place the spider assembly on the index plate The lifter tip should be positioned in the 1 2 gap in the FRC channel 13 secure mounting plate align its arrow with the FRC housing arrow and install the three
7. PERISTALTIC METERING PUMPS SINCE 1957 BASIC SERVICE MANUAL 9900000900000000000000000000000000000000000000000000000000000000000000000000000000000000000009000000000900000000000000000000000000000009009 CLASSIC SERIES 600900090000000000909000000000000900000000009090900090000000000000000000090000000000000000000000000000000000000090000000000900000000000090000000000000000090000000000000000000009 CLASSIC SERIES BASIC SERVICE MANUAL The Stenner Classic Series peristaltic metering pumps are mechanical and during their service life will require scheduled maintenance The purpose of this manual is to identify the parts that will eventually require replacement along with other maintenance basics Best practice tips and corrective actions are also covered 0090999000900999000990909909990900990990000099000009000009099000909000900000000900900990000900900090000090909009000000009009000900009090900999000009090000090000909090009090000909090090909900099099 IMPORTANT ICONS USED IN THIS MANUAL Factory Instructions Important Information Additional Information TABLE OF CONTENTS SECTION I GENERAL INFORMATION SAFETY IINFORIMATION PE Pa DUET Ei tud Fs qe E TOOL STAND CLEANING CLASSIC SERIES PUMP SECTION 11 INSTALLATION POINTS INSTALLATION DIAGRAM VERTIGAL INSTALEATION SUCHON AND DISCHARGE LINES COMPRESSIO
8. adapter to the tube fitting s ferrule inside Slide line through 3 8 connecting nut and finger tighten to male end of adapter If leak occurs gradually tighten the 3 8 connecting nut as required BASIC SERVICE MANUAL 11 Subassembly Connections RIVET AND SLOT IDENTIFICATION 090090090000009000000900000900000000000900900000000000090000000000000000000000009090000000000090000009000000090000000000000000000000000000000000000000900000000000000900000000009090909 Motor shaft and pressure spring coated with Aquashield 00099999099090900999000090900909090009090009909000090909090909090090900900090900000900900909000090009009909000900900099099000009090090099000900000099000000090009090990009090000090000090900900090999 The pressure spring is not used with the fixed output pump 12 www stenner com Subassembly Connections SEPARATING SUBASSEMBLIES 009000900000009000909000000000000900000000009009000000000000000000000009000000900009000000000000000000000000000090000000000090000000000000000000000000000090000000000909009000000009 Turn the pump off and unplug the power cord Hold the feed rate control section and turn the pump head clockwise until it stops Pull the pump head straight out Hold the motor assembly grasp the feed rate control section and turn clockwise until it stops and pull it straight out mom p Feed Rate Control Motor BASIC SERVICE MANUAL 13 Su
9. crimped brass collar beneath a rubber collar Internal seal is a E crimped brass collar Examples of improper tube handling are described below Not following factory tube replacement instructions Storing tubes in high ambient temperatures or long term exposure to direct sunlight weakens tube material Prior to installation pre stretching lubricating the tube and or roller assembly or pinching during installation compromises the tube material Excessive pulling of the tube fitting during installation can result in compromising the material and or pulling the crimped fitting from the tube Allow the rollers to stretch tube into position according to the tube replacement instructions Using pliers to center or secure connections can break the internal crimped seal or damage ferrules due to over tightening FINGER TIGHT ONLY Using thread seal tape prevents ferrules from seating properly into tube fitting and can cause leaks Not allowing enough slack in the suction and discharge lines so the tube fittings can flex puts stress on the tube and fittings 009099090009099900099099000900909909090900900900000009000090900090099009009000000900900909000909090009099090009900909000000000009920900900090009090900000909000099000000900009090000900000909009000090099 DO NOT use thread seal tape or pliers on pump tube threads All internal seals are crimped with a brass collar which is beneath the rubber collar The number 4 and 5 tube
10. 0000000000000000000000000000000000900000000000000900000000009090909 Remove four Phillips head screws from gear case cover Remove gear case cover Remove gears and inspect posts To remove posts grasp with pliers and pull straight out 4 Wipe away old grease check for rust or corrosion on the rotor shaft and remove with wire brush any visible rust or corrosion prior to replacing gears Install gear posts by tapping with rubber mallet until bottomed Apply AquaShield new gear posts before installing gears Install phenolic gear and spacer Install metal reduction gear and motor shaft with gear Use remaining AquaShield on top of the three gears 10 Re attach gear case cover and four new screws finger tight Screws must be backed in to locate original threads before securing to prevent stripping screw boss Gear Post Phenolic Gear Metal Reduction Gear Pressure Spring 7 s adjustable models only Washer Motor Shaft Gear with Gear Spacer Gear Case Gear Case Cover Gear Case Phenolic Gear with Spacer Motor Shaft Metal Reduction Gear with Gear 44 www stenner com
11. 09009000090000000909000900909009000000009009009900090909000909900000990090900009000009909000090900090900000090000909000900090009909000090000009009900090909099 Identify the cause of tube failure prior to installing a new tube used tube will have stretched approximately 3 4 and the new tube will appear to be stiff and short Follow directions to allow rollers to stretch tube into place BASIC SERVICE MANUAL 25 Pump Tube INSTALL TUBE continued 6000900000000000000900000900000000000900900000000000090000000000000900000000000900000000000900000090000000900000000000000000000000000000000000000009000000009000000900000000009090909 When tube reaches the discharge tube housing slot turn pump off Turn dial ring to setting 10 hold tube fitting firmly do not pull and turn pump on Allow rollers to stretch tube into place while guiding tube into slot Turn pump off Apply a small amount of AquaShield to cover bushing ONLY and replace cover and two screws leaving front screw between the fittings loose Discharge Tube Housing Slot Roller Assembly Slot Apply AquaShield to cover bushing
12. 09090000090000090900900090999 For maximum tube life always identify the reasons for the failure and correct the problem before a new tube is installed 28 www stenner com Feed Rate Control FEED RATE CONTROL FRC 6009000900000009000909000000000000900000000009090900000000000000000000000900000000009000000000000000000000000000000000000000900000000000000000000000009000090000000000000000000009 The feed rate control adjusts the output by utilizing a cam and spring loaded lifter system to control the rotation of the roller assembly according to the setting on the dial ring Inside the FRC is a brass spider assembly that consists of a pin with carbide tip and spring inside the holder attached to a lifter When the pump is on the spider assembly rotates When the lifter drops into the FRC channel the pin engages the index plate rotating the roller assembly creating the pumping action When the lifter rides on the cam the pin is lifted inside the holder The roller assembly does not rotate resulting in no pumping action FRC Channel Feed Rate Control Cam Index Plate Brass Spider Assembly le Lifter holder and index pin spring is enclosed
13. 909000000000009000000000090909000000000000000000000009000000000000000000000000000000000000009000000000009000000000000000000000090000000900000000000000900000009 The tube is the workhorse of the pump It is perishable and will eventually stop functioning from natural wear or when it reaches the end of its service life Indications of these conditions are Tube leaks Tube is fatigued causing a reduction or lack of output The pump tube service life can be reduced by conditions of the application or the installation These conditions are Calcium or mineral deposits Sediment blockages Chemical incompatibility Corrosion Improper handling PUMP TUBE PRESSURE RATING PUMP TUBE 0 25 psi 0 1 7 bar 26 100 psi 1 8 6 9 bar Check valve required n v 2 2 T is m 7 Classic Single Head ONLY 009090909099090909999000990990090090909009090000909000090090990000990000900990099099000000900009090000090090009099000009009000000000000092920009090990009090000090000909009090090009090900090909000900909000909099 For maximum pump tube life always identify the reasons for the failure and correct the problem before a new tube is installed BASIC SERVICE MANUAL 17 EST Pump Tube VISUAL REFERENCE 6000900000000900000090000090000000000090090000000000009000000000090090000000000009000000000009000000900000000000000000000000000000000000000000000000000000009000000900000000009090999 A diamond pattern that forms where the tube presse
14. Coil Orientation Snap into place the second bearing bracket onto the rotor Copper Rods Insert two coil screws with lock washers C and tighten Coil Starting at an angle press fan B with hub side down onto the rotor shaft Reinstall the two motor housing screws and tighten the self tapping screws to Coil Lead Wire Coil Lead Wire secure the motor housing A Vent Opening www stenner com Motor 0 REPLACEMENT 66009000900000000009090000000000009000000000090000000000000000000000000900000000000000000000000000000000000000900000000000900000000000000000000000000000000000000000009000009009 1 Disconnect power to pump 2 Remove motor base Remove two motor cover screws 3 Invert the pump and use the pump head and feed rate control as a stand to work on the motor See illustration 4 Remove fan and set aside Motor Pump Head Feed Rate Control Gear Case Shaft Rotor Fan 94 Coil Screw and Motor Cover T lt lt lt Washer NM SEIEN DOSE MAY E Coil Copper Rods Motor Cover Jm Amber Bearing Bracket a Motor Cover Screw Boss Pump Head BASIC SERVICE MANUAL 37 Motor REPLACEMENT continued 6000900900000900000090000090000000000000900000000000090000900000009000000000000090000000000090000009000000000000000000090000000000000000000000000000000000000000009000000000090909909 Disconnect ground wire with eyelet and set screw aside Cut the power co
15. N SEAL SECTION 111 SUBASSEMBLY CONNECTIONS RIVET AND SLOT IDENTIFICATION man SEPARATING SUBASSEMBLEIES RECONNECTING FEED RATE TO MOTOR tere RECONNECTING PUMP HEAD TO FEED RATE SECTION IV PUMP TUBE PUMP WUE PUMP TUBE BASICS TERE EINGE CONDITIONS THAT REDUCE PUMP TUBE LIFE PUMP TUBE REMOVAL REPLACEMENT AND CENTERING IMPORTANT PUMP TUBE INFORMATION SECTION V FEED RATE CONTROL FRC FEED RAIE CONTROL FEED RATE WEAR ninr FEED RATE PARIS REPLACEMENT SECTION VI MOTOR MOTOR m CSM0110 General Information SAFETY INFORMATION NOTICE Before installing or servicing the pump read the pump manual for all Safety information and complete instructions The pump is designed for installation and service by properly trained personnel AN WARNING HAZARDOUS VOLTAGE DISCONNECT power cord before removing motor cover for service Electrical service by trained personnel only N WARNING HAZARDOUS PRESSURE CHEMICAL EXPOSURE Use caution and bleed off all resident system pressure prior to a
16. Secure ground wire with eyelet to motor coil 13 Crimp the stripped lead wires to each of the new coil lead wires 14 Tuck wire nuts into bottom of motor cover and secure cover back in place before tightening reverse cover screws to catch original threads 15 Apply power to motor and test Lead Wire Wire Stripper Strip Approx 1 2 Lead Wire Ground Wire 40 www stenner com Motor 381i A Located in the gear case the metal reduction gear and phenolic gear control the rpm of the feed rate and pump head The 45 and 100 series delivers approximately 26 rpm and approximately 44 rpm for the 85 and 170 series The motor shaft with gear drives the feed rate control Motor Gear Case Motor Shaft with Gear Metal Reduction Gear BASIC SERVICE MANUAL 41 BE Motor GEAR SET IDENTIFICATION The illustrations show the diameters of the gears and pinions 45 amp 100 SERIES GEARS Phenolic Gear Metal Reduction Gear 9 16 3 8 1 3 8 a 13 8 85 amp 170 SERIES GEARS Phenolic Gear Metal Reduction Gear 9 16 9 16 1 3 8 1 1 4 42 www stenner com Motor GEAR WEAR 60900090000000900090900000000000090000000000900000000000000000000000009000000000000000000000000000000000000000000000000090000000000000000000000000909000900000000000000900000009 Generally gear failure can be caused by misalignment mainly due to the wear over t
17. bassembly Connections RECONNECTING FEED RATE TO MOTOR 0900900000000900000000000090000000000090090000000000009000000000000090000000000090000000000900000090000000000000000000000000000000000000000000000900000000000000090000000900090909909 1 Before reconnecting the feed rate control to the motor confirm pressure spring is in place and place feed rate control on the shaft 2 the feed rate control counterclockwise to line up the flat side of the motor shaft d shaft with the flat side of the brass spider in the feed rate control and push towards the motor 3 Push and turn the feed rate control until the rivets on the gear case are inside the rivet holes on the feed rate 4 Turn counterclockwise until it locks into place and the bump on the feed rate mounting plate fits into the indentation in the gear case cover 00099999099090900999000099009090900090900099090000909090900909009900900099000000099009090000909009009909000909000990990000090009009900090000900990000090909000900990009090000009000000900900090999 The arrow on the feed rate control should be on top and confirm the bump is in the indentation 14 www stenner com Subassembly Connections RECONNECTING PUMP HEAD TO FEED RATE 66009000900000009000909000000000000900000000009090000000000000000000000009000000900000000000000000000000000000000090000000000900000000000000000000000000000900000000000000900000009 1 Putthe pump head with main shaft into the feed rate c
18. d of both the suction and discharge lines before installing new ferrules Replace duckbill 26 100 psi applications and ferrules with every new tube BASIC SERVICE MANUAL 27 Pump Tube IMPORTANT TUBE INFORMATION 609009000000090000009000000900000000000900900000000000090000000000090000000000000900000000000900000090000000900000000000000000090000000000000000000000900000000000000900000000009090909 Always follow factory tube replacement and centering instructions Schedule a tube replacement at regular intervals according to the needs of the specific application used tube will have stretched approximately 3 4 and the new tube will appear to be stiff and short Follow directions to allow rollers to stretch tube into place Replace ferrules with every tube change ferrules are the seal between the tube fitting and the connecting nut Only finger tighten the connecting nut Hold the tube fitting when tightening to prevent breaking the internal seal and the fitting from spinning inside the tube For 26 100 psi applications inspecting and replacing the duckbill at every tube change is recommended Santoprene pump tubes are not compatible with petroleum or oil based products Refer to the chemical resistance chart for compatibility or call the factory 0009990990099090900999000099009099900090900099090000909009009090099009000990000000990090900009090090099090009090009909900000909009009900090009090990090000090000099000
19. he service life of the pump Check for the following conditions that can contribute to the phenolic gear stripping Water or chemical intrusion Worn gear posts Worn gear case cover Phenolic Gear Teeth missing Corrective Action 1 Review the vertical installation that includes using a rain roof in outdoor applications or wet environments Cracked bearing bracket Rusted helical gear Insufficient lubrication 2 Replace gears that show visible wear or corrosion 3 Replace gear posts that are worn rusted or corroded 4 Inspect the gear case and cover for cracks or corrosion and replace as needed 5 Inspect the helical gear at the end of the rotor Buff off the rotor if rusted or replace the rotor assembly 6 Lubricate with AquaShield Apply generous amount of AquaShield to gear posts pinions gear rings and the main shaft with gear after doing service in the gear case BASIC SERVICE MANUAL 43 GEAR REPLACEMENT 000900000000900000090000009000000000000090000000000009000000000000090000000000090000000000900000090000000000000
20. ontrol and turn it counterclockwise until the shaft falls into place 2 Push the pump head toward the feed rate while turning it counterclockwise Line up the rivet holes on the pump head with the rivets on the feed rate control Continue to push until the rivets are inside the holes and the snap lock engages Turn the pump head counterclockwise to secure the rivets in the rivet slots firmly attaching the pump head Motor Feed Rate Control 0090909090909090999090090909900900909090900900009090000900090900990009009900909000000900009900009090009099090000900900000000900009292090090909900090900000090000900090909009000990909000909090900900909009090909099 Illustration shows proper orientation of the pump head BASIC SERVICE MANUAL 15 Pump Tube PUMP TUBE 6000009000000900000090000009000000000009009000000000000900000000000009000000000000900000000000900000090000000000000000000000000000000000000000000000090000000090000009000000090009090909 The fluid is forced along by waves of contraction produced mechanically on flexible tubing The tube is squeezed by two of the three rollers that move along the tube As the roller moves the compressed section generates a vacuum creating a self priming function The remaining two rollers repeat the process and the rotation creates a pumping action that results in both suction lift and outlet pressure Rollers 16 www stenner com Pump Tube PUMP TUBE BASICS 660090009000000909000
21. rd and coil lead wires from motor cover at the wire nut four cuts total Set cover to the side 1 Remove and set aside Two coil screws and washers from the rotor bracket Plastic bearing bracket amber 8 Remove coil and discard Set Screw Ground Wire Screw Boss Ground Wire 2 Lead Wires NS Wire SEE p SN 2 38 www stenner com Motor COIL REPLACEMENT continue 609000900000009000909000000000000900000000009090900000000000000000000000900000000000000000000000000000000000000900000000000900000000000000000000000000000900000000000009000000009 9 Install new coil over rotor on the remaining amber bracket The correct orientation is with two copper rods in the upper right corner and the vent opening at the bottom of the gear case Place bracket back on the rotor and securely seat into new coil Install screws and washers and fasten bracket to coil 10 With the metal band facing the bracket press fan flush on rotor shaft Rotor Copper Rods Amber Bearing Bracket Coil BASIC SERVICE MANUAL 39 Motor COIL REPLACEMENT continued 0009000000090000009000009000000000009009000000000000900000000000000000000000009000000000009000000900000000000000000000000000000000000000000000000900000000000000900000000009090909 11 With wire strippers set at 16 gauge strip approximately 1 2 from the power cord and on off switch lead wires in the motor housing 12
22. replacement BASIC SERVICE MANUAL 7 8 Installation Points INSTALLATION DIAGRAM 0009009000000900000090000090000000000000900000000000090000000000090090000000000090000000000090000009000000000000000000000000000000000000000000000009000000000000009000000000090909909 Always use rain roof for outdoor use or if metering pump is subject to washdowns Rain roof slides into wall mounting bracket no tools necessary re On Off Switch under roof i e gll if 1 not visible this view Grounded Power Outlet protected by Ground Fault Circuit Interrupter GFCI Vertical Wall Mounting Bracket requires 2 screws Disassembled View Injection Injection Disassembled View 26 100 psi 0 25 ps e P OUT Discharge N Discharge Line Shut Off Valve Injection Suction Line Mn Check Valve LR Duckbill Flow direction of solution EA 7 Solution Tank LIS 4 Using pump components not provided by Stenner can Cause pump to malfunction www stenner com Installation Points VERTICAL INSTALLATION 609000900000009000909000000000000900000000009090900090000000000000000000090000000000000000000000000000000000000000000000000900000000000000000000000000009090000000000000900000009 Mount the pump vertically and use
23. s against the tube housing indicates excessive back pressure Excessive back pressure can be caused by any blockage a clogged duckbill or when the system pressure exceeds the pump tube pressure rating An oval pattern indicates worn rollers and or the pump tube has reached the end of its service life Pump tubes can rupture without either pattern apparent Roller DIAMOND PATTERN TEAR DROP PATTERN OVAL PATTERN Excessive pressure Normal Fatigued tube or or blockage worn components rollers The most common tube problems are from a lack of routine maintenance Always establish an application specific maintenance schedule 18 www stenner com Pump Tube CONDITIONS THAT REDUCE TUBE LIFE 0090009000000000090900000000000090000000000900000000000000000000000009000000000000000000000000000000000000000000000000090000000000000000000000000000090000000000000000000009 IMPROPER TUBE HANDLING Tube leakage around the gray fitting and or fitting pulling out of the tube or other tube malfunctions are most commonly caused by mishandling the pump tube Tube Fitting Internal seal is a
24. s all purpose cleaner to clean chemical residue from pump head housing roller assembly and cover Check housing for cracks Replace if cracked Ensure rollers turn freely Replace roller assembly if the rollers are seized or worn or if there is a reduction or lack of output from the pump Reinstall clean tube housing Apply AquaShield to the shaft tip and install Install roller assembly 24 DO NOT lubricate pump tube or roller assembly www stenner com Pump Tube INSTALL TUBE 660090009000000000090900000000000090000000000909090009000000000000000000009000000000000000000000000000000000000009000000000090000000000000000000000000000000000000000000900000009 1 Manually rotate the roller assembly counterclockwise to align one of three roller assembly slots with the suction side housing slot 2 Place tube fitting into suction side slot of the housing and the roller assembly slot 3 With pump setting on L hold tube fitting and jog roller assembly by turning pump on IMPORTANT Avoid rotating wrist which can result in a twisted tube that will not center DO NOT force tube and be careful of your fingers 4 Guide tube with slight tension toward the center to prevent pinching between housing and roller assembly If the tube is pinched during installation discard Suction Tube Housing Slot Roller Assembly Slot Guide with slight tension Turn the pump on Walk tube in 009099090009999000909099009090909909090090
25. s do not have rubber collars BASIC SERVICE MANUAL 19 Pump Tube CONDITIONS THAT REDUCE TUBE LIFE continued 60009000000009000000900000090000000000090090000000000009000000000009009000000000009000000000009000000900000009000000000000000000000000000000000000000909000000000000009000000090009090909 CRACKED PUMP HEAD The tube housing can crack from wear over tightening cover screws long term chemical exposure due to incompatibility with the housing material refer to Chemical Resistance Guide SEIZED ROLLERS IN THE ROLLER ASSEMBLY Corrosive chemicals that collect on the roller bushings as a result of atmosphere or tube failure can result in seizing the rollers Corrective Action 1 Confirm chemical compatibility with housing and pump tube material 2 Review factory recommended vertical pump installation 3 In the event of tube rupture rinse the chemical residue with factory recommended cleaners from the housing and roller assembly 4 If tube housing is cracked replace Confirm rollers turn freely Normal roller wear can cause a lack of output as re
26. screws If the dial ring does not rotate from L to 10 the FRC mounting plate is in the wrong orientation The dial ring will be stiff or difficult to rotate if it lacks AquaShield or the screws are over tightened If the screws are too loose the dial ring can inadvertently be turned to 10 by the motor BASIC SERVICE MANUAL 33 Motor The motor has a cylindrical rotor with shaft that is encased within a magnetic coil When power is applied to the coil the rotor rotates The rotor s directional rotation is determined by the orientation of the copper shaded poles on the coil The helical end of the rotor engages the series of gears in the gear case Rotor Assembly Gears 34 www stenner com Motor 00 CAUSES OF MOTOR MALFUNCTION 060090009000000000090900000000000090000000000900000900000000000000000000900000000000000000000000000000000000000000000000009000000000000000000000000090900090000000090000009000009009 WATER INTRUSION The motor is fan cooled and needs proper ventilation while protecting it from water intrusion Corrective Action Mount the single head pump vertically with pump head downward and use the rain roof in outdoor installations in areas subject to wash downs or in moist environments CHEMICAL VAPORS The motor won t be able to rotate freely if the coil rotor and bearing are rusted or corroded Corrective Action 1 Avoid mounting the pump over an open solution tank 2 Review vertical ins
27. sult of the rollers inability to fully squeeze the tube 20 www stenner com Pump Tube CONDITIONS THAT REDUCE TUBE LIFE continued 66009000900000000009090000000000090000000000900900090000000000000000000090000009000000000000000000900000000000000909000000000090000000000000000000000000909000900000000000000900000009 EXCESSIVE BACK PRESSURE AT THE POINT OF INJECTION Calcium or mineral deposits in the injection fitting section of the check valve can cause blockage or restriction creating back pressure that exceeds the pump tube pressure rating Corrective Action 1 Insert a round shank screwdriver through injection fitting into the pipe to locate or break up accumulated deposits If screwdriver can t be inserted drill the deposit out of the injection fitting Do not drill through the opposite pipe wall 2 Replace duckbill Injection Check Valve Duckbill a Clean out accumulated deposits with a 2 phillips head screw driver EXCESSIVE BACK PRESSURE AT THE POINT OF INJECTION Insoluble sediments or particulates drawn through the suction line from the bottom of the tank can cause blockage or restriction in the check valve duckbill These solids and excessive pressure can damage the pump tube Corrective Action 1 Replace suction and discharge tubing and clean sediment from tank bottom 2 Position weighted strainer 3 from tank bottom 3 Replace duckbill
28. tallation INCORRECT VOLTAGE The motor voltage must match power supply to avoid a burned coil Corrective Action Use a volt meter for confirmation DAMAGED BEARINGS BRACKET Cracked or broken bearing bracket s result in rotor mis alignment that can cause the rotor to bind to the magnetic coil that may be evident by a humming sound Corrective Action 1 Check the condition of the brackets and phenolic gear 2 Replace parts as needed 009090909090909099990090909900900909009900909000099000000090900099000009900909000000900900990900090900900090990900009009009000000900009292090090909900090900000090000909000909900900090990009090909009009000090909099 Refer to the Trouble Shooting guide in the Classic Series Installation Manual for motor conditions and solutions BASIC SERVICE MANUAL 35 Motor ROTOR ASSEMBLY REPLACEMENT A rotor assembly includes D 1 36 Remove and set aside Two motor housing screws not shown Motor housing A Plastic fan B discard old fan Two coil screws and lock washers C Coil keep wires connected E Remove and discard the rotor F and two amber bearing brackets D Press the new amber bearing bracket D onto the threaded brass inserts in the back of the gear case G Install the new rotor F by inserting the shaft helical gear side onto the amber bearing bracket D Place the coil E see Correct Coil Orientation over the rotor F onto the bearing bracket D Correct
29. th elongated holes Corrective Action To reduce wear on the feed rate parts specify the pump closest to its maximum output capacity within the needs of the application Check the lifter cam and index plate during scheduled maintenance 30 WWW Stenner com Feed Rate Control FEED RATE CONTROL WEAR continues 660090009000000090009090000000000009000000000090900000000000000000000000090000000000000000000000000000000000000090000000000090000000000000000000000900000009000000000000009000090009 SEIZED INDEX PIN AND OR LIFTER ASSEMBLY Water or chemical intrusion will corrode the pin and lifter causing them to seize the feed rate will malfunction Corrective Action 1 Replace the index pin and or lifter assembly as needed 2 Mount a single head pump vertically with the pump head downward 3 Schedule a tube replacement at regular intervals according to the specific application For 26 100 psi applications replace the duckbill at every tube change BASIC SERVICE MANUAL 31 A B Feed Rate Control PARTS REPLACEMENT 600090000000090000009000009000000000009009000000000000900000000000009000000000000900000000009000000900000000000000000000000000000000000000000000000900000000000000900000000009009909 1 Remove and set aside hree screws Feed rate mounting plate Dial ring observe installed cam Brass spider assembly Index plate If required remove index pin assembly by unscrewing with box wrench and replace
30. the spill recovery to drain chemical back to the tank in the event of tube failure This will help prevent chemical from collecting in the tube housing and reduces spillage on the floor The pump motor is ventilated and water intrusion can cause motor damage A rain roof is recommended for outdoor and wet environments Vertical Mount with Rain Roof Spill Recovery Set up Rain roof optional slips into wall bracket Spill Recovery Tube Wall Bracket Tube drains solution back to tank Partial hole is punched through with a 2 Phillips head screwdriver Use section of 1 4 suction discharge tubing and insert in hole BASIC SERVICE MANUAL 9 NI Installation Points SUCTION AND DISCHARGE LINES 6000900900000090000009000000900000000000900900000000000090000000000000900000000000090000000000900000090000000000000000000000000000090000000000000000009000000009000000900000000009090909 The suction line should be 3 from the tank bottom to prevent picking up sediment which can cause blockage in the check valve duckbill and discharge line Allow slack in both the suction and the discharge lines so the pump tube fittings can flex The slack prevent stress on the pump tube and fittings to help reduce the chance for breakage and leaks Weighted Suction Line Strainer POCO
31. ttempting service or installation Use caution when disconnecting discharge line from pump Discharge may be under pressure Discharge line may contain chemical N WARNING RISK OF CHEMICAL EXPOSURE Potential for chemical burns fire explosion personal injury or property damage To reduce risk of exposure the use of proper personal protective equipment is mandatory BASIC SERVICE MANUAL 5 EN General Information TOOL LIST AND CLEANING SUPPLIES 6000900000009090000090000009000000000009009000000000000900000000000009000000000009000000000009000000900000000000000000009000000000000000000000000000090000000090000009000000090009090909 2 Phillips head screwdriver Flat head screwdriver 3 8 open end wrench to change index pin lifter AquaShield Fantastik or similar non citrus all purpose cleaner Needle nose pliers Utility knife 6 WWW Stenner com General Information CLASSIC SERIES METERING PUMP 600900090000000900090900000000000090000000000909000000000000000000000000900000000000000000000000000000000000000900000000000900000000000000000000000000000900000000000009090000909009 THREE BASIC SUBASSEMBLIES MOTOR FEED RATE CONTROL FRC 00909090909090909999009090990090909009090090000009000090090990090900009099009909900000090090099000090900090990900009009000000900000092920900909909900090900000090000909009099090090009099090009009090090090900090909099 Use subassemblies in field for quick
Download Pdf Manuals
Related Search