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PRSM-96

PR Series

Positive Rotary Pumps

Models PR, PRE, and PRED

Service & Installation Manual

Содержание PR 10

Страница 1: ...PRSM 96 PR Series Positive Rotary Pumps Models PR PRE and PRED Service Installation Manual ...

Страница 2: ... 2 ...

Страница 3: ...onsin READ THIS MANUAL carefully to learn how to service these pumps Failure to do so could result in personal injury or equipment damage SAFETY IMPORTANT SAFETY INFORMATION 4 INTRODUCTION GENERAL INFORMATION 5 INSTALLATION UNPACKING AND INSTALLATION 6 PIPING HINTS 8 MAINTENANCE MAINTENANCE AND REPAIR 12 ROTOR INSTALLATION 14 CLEANING AND INSPECTION 15 TROUBLESHOOTING TROUBLESHOOTING GUIDELINES 17...

Страница 4: ...safe operating or maintenance practice CAUTION Indicates a potentially hazardous situation which if not avoided could result in death or serious injury Safety is very important DO NOT attempt to modify any Tri Clover product To do so could create unsafe conditions and void all warranties DO NOT place any Tri Clover product in an application where general product service ratings are exceeded The fo...

Страница 5: ... retaining rings Lip seals on the shafts and o ring seals on the frame bores prevent leakage of timing gear lubricating oil into the pump bearing grease chamber Sealing of the fluid head along the shafts is accomplished by rotary seals consisting of stationary stainless steel seal rings with carbon inserts stainless steel wear rings which are broached to fit the shaft splines and o rings which sea...

Страница 6: ...ld be even with the plug opening marked with the oil level decal If oil is required refer to the Maintenace and Repair section on page 12 of this manual for details LOCATION The pump unit should be located as near as possible to the liquid source and in a position where the suction piping can be short and direct with a minimum number of elbows and fittings It should also be readily accessible for ...

Страница 7: ...elow Use pressurized flush with products that tend to build up between seal faces latex PVA etc Pressure in seal chamber should exceed pump discharge pressure by at least 10 PSI Note Your Positive Rotary Pump is designed for either clockwise or counterclockwise rotation It should be noted that product flow will be in the same direction as the drive shaft rotation Connect the flexible coupling star...

Страница 8: ...raight concentric tapered reducer to prevent air pockets from forming and impairing pump efficiency In turn the eccentric reducer may be placed at the inlet of the pump and should be positioned so the straight side is up Although positive displacement pumps are self priming under moderate suction lift conditions a flooded suction is always preferable DISCHARGE PIPING The discharge piping should be...

Страница 9: ... relief cover parts in the following sequence 1 Jam nut 09B 6 2 Clamp 13MON X S 3 Cap nut 09B 3A 4 Retaining ring 09B 13 For PR300 replace cap nut 09B 3A adjusting screw 09B 13 and jam nut 09B 6 with R3 1 09D 3 cap Reassemble relief cover omitting retaining ring 09B 13 and spring 09B 4 and follow instructions below for pneumatic operation 1 Loosen jam nut 09B 6 2 Turn the adjusting screw 09B 5A co...

Страница 10: ...arefully remove the o ring from the inside of the cover 2 Remove the rotors from the drive and pump shafts 3 Slide the casing off the studs 4 Carefully remove the casing o rings from the rear of the casing 5 Slide the seal rings off the shaft 6 Remove the wear rings If necessary use Puller No R80 200 supplied with your pump Do not pry wear rings off with a screwdriver or similar tool as the flange...

Страница 11: ...For all models slide wear rings into place onto the shafts 5 Slide seal rings into place DO NOT LUBRICATE SEAL FACES EXCEPT WITH CLEAR WATER USE OF SANITARY LUBRICANTS MAY DAMAGE CARBON TANGS ON THE SEAL RINGS MUST BE ALIGNED WITH SLOTS IN CASING SEAL AND PUMP CASING CAN BECOME PERMANENTLY DAMAGED IF TANGS ARE NOT PROPERLY ALIGNED 6 Insert casing o rings into place on back of casing 7 Slide casing...

Страница 12: ...leaning and inspection procedures LUBRICATION OF TIMING GEARS The timing gears are lubricated with SAE 20 oil At regular intervals check the oil level by removing the oil level plug Oil should be even with the bottom of the plug opening Every 200 operating hours remove drain plug and drain the timing gear chamber Add new oil until proper level is reached DISASSEMBLY It is recommended that periodic...

Страница 13: ...e gear cover seal if replacement is necessary 13 Remove the timing gear retaining ring Part No 98 from each shaft On models PR300 PRE300 and PRED300 bend back the tab on lockwasher Part No 69 and remove locknut Part No 22 and lockwasher 14 Use suitable pullers and remove the timing gears 15 Remove the woodruff keys from shafts 16 Remove the outboard bearing cover retaining rings 17 Press each shaf...

Страница 14: ...r shaft SINGLE LOBE ROTORS 1 Install 1D rotor onto top shaft Note It doesn t matter whether top shaft is pump shaft or drive shaft 2 After installing 1D rotor rotate shaft if necessary to obtain spline relationship as shown in Figure 7 3 Install 1P rotor on lower shaft 1P rotor must be installed as shown in Figure 7 Large lobe of one rotor must be next to small diameter or hub of mating rotor Note...

Страница 15: ...cratches on the sealing surfaces 2 Carefully inspect the wear ring for excessive wear 3 Examine the bearing cover seal alignment ring seals and the gear cover seal for cracks nicks and excessive wear 4 Inspect all o rings for cuts abrasions or other wear that can cause leakage 5 Carefully examine the gear cover gasket and cleanout cover gasket for nicks cuts scratches or excessive wear Parts showi...

Страница 16: ...l rings onto the shafts and carefully align the tangs of the seal rings with the slots in the casing 17 Assemble the casing o rings and casing and slide into place Note The seal rings and pump casing can become permanently damaged if tangs are not properly aligned Do not lubricate seal faces Carbon will be damaged if lubricated 18 Install the rotors and place casing cover o ring in casing cover gr...

Страница 17: ... shaft is bent or worn c Replace shaft d Power frame shaft is bent d Replace shaft or worn e Power frame bearings are e Replace bearings worn f Excessive misalignment f Align pump and driver between pump and driver Tri Clover pumps are relatively maintenance free with the exception of sanitizing and lubrication Like any piece of machinery however occasional problems can arise The troubleshooting c...

Страница 18: ...en pump and driver i Cavitation i See note at beginning of Troubleshooting section 5 Excessive a Pump is not leveled properly a Level pump vibraton b Excessive misalignment b See 3 f on the previous page between pump and driver c Rotors are damaged c Replace rotors d Piping is not supported d Support discharge and suction piping e Power frame shaft is bent e See 3 d on the previous page or worn f ...

Страница 19: ...exploded and keyed to the parts list ORDERING IMPELLERS When ordering impellers the base number designates the impeller size To order a pump impeller specify the following 0000 00 00 0 0 0 0 MODEL SIZE R3 R10 R25 R60 R125 R300 IMPELLER KEY NUMBER This number will always be 02 1 3 2 BASELINE PORT smallest available port size DRIVE OR PUMP SHAFT IMPELLER BI LOBE ONLY D Drive Shaft P Pump Shaft 5 CLE...

Страница 20: ... 102 177 16 12 96 46 18 37 37A 49 177 94A 98 02 80 2A 80 1 80 3A 35 35A 47 102 177 16 96 06 37 37A 49 177 94A 98 86 18 130 80 4B Drive Shaft And Components for the PR300 Pump 12 96 46 18 49 37 37A 177 94A 69 22 PR PUMP 177 102 16 PARTS LIST 06 Pump Shaft for PR300 Pump 20 Click here to Order Parts ...

Страница 21: ...ilable R300 6 B01B 316 01 Casing Tri Clamp Ports 6 x 6 Not available Not available Not available Not available Not available R300M 6 B01B 316 02 Impeller 6 lobe Rubber Buna N Cold See Ordering Impelllers Not available Not available Not available Not available Not available 02 Impeller 6 lobe Rubber Buna N Hot See Ordering Impelllers Not available Not available Not available Not available Not avail...

Страница 22: ...80 3 Shaft O RIng Buna N R3 1 80 3A U R10 1 80 3A U R25 1 80 3A U R60 2 80 3A U R60 2 80 3A U R300 4 80 3A U 80 4B Casing O Ring Buna N R3 80 4A U R10 1 80 4B U R25 1 80 4B U R60 2 80 4B U R60 2 80 4B U R300 4 80 4B U 86 Casing Stud R3 1 86 S R10 1 86 S R25 1 86 S R60 2 86 S R125 2 86S R300 4 86 S 86B Casing Nut R3 1 86A S R25 1 86B S R25 1 86B S R60 2 86B S R60 2 86B S R300 4 86A S 90A Casing Cov...

Страница 23: ...4A 98 49 177 94A 98 86 18 130 80 1 80 3A 80 5 35 35A 47 102 177 16 96 46 12 18 37 37A 49 59 59B 59A 93 73 96 06 16 177 102 47 35A 35 80 5 80 1 80 2 80 3A 80 4B 02 37 37A 06 Pump Shaft for PRE300 and PRED Pumps Mechanical Seals PRED Pump 80 4B 80 2 80 1 80 3A 80 2 80 4B 12 96 46 18 49 37 37A 177 94A 69 22 PRE PRED PUMP 22 Click here to Order Parts ...

Страница 24: ...R300 6 B01B 316 01 Casing Tri Clamp Ports 6 x 6 Not available Not available Not available Not available Not available R300M 6 B01B 316 02 Impeller 6 lobe Rubber Buna N Cold See Ordering Impelllers Not available Not available Not available Not available Not available 02 Impeller 6 lobe Rubber Buna N Hot See Ordering Impelllers Not available Not available Not available Not available Not available 02...

Страница 25: ...0 3A U R10 1 80 3A U R25 1 80 3A U R60 2 80 3A U R60 2 80 3A U R300 4 80 3A U 80 4B Casing O Ring Buna N R3 80 4A U R10 1 80 4B U R25 1 80 4B U R60 2 80 4B U R60 2 80 4B U R300 4 80 4B U 80 5 O Ring Buna 17 125 U 17 25 U 17 7 U R60 2 37A R60 2 37A R300 4 37A U 86 Casing Stud R3E 1 86 R10E 1 86 S R25E 1 86 S R60E 2 86 S R125E 2 86 S R300E 4 86 S 86B Casing Nut R3 1 86A S R25 1 86B S R25 1 86B S R60...

Страница 26: ...ding but not limited to any implied warranty of merchantability or fitness for a particu lar purpose All claims must be in writing and must be mailed or delivered by purchaser within thirty 30 days after purchaser learns of the facts upon which such claim is based Any claim not made in writing and within the time period specified above shall be deemed waived Purchaser s sole and exclusive remedy a...

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