3WHV, V3WHV Non-Clog Pumps Installation and Service Manual
Contents
1. h to any unit which has been repaired using non factory specified OEM parts Warranty Exclusions MYERS MAKES NO EXPRESS OR IMPLIED WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF MYERS SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ANY PARTICULAR PURPOSE Liability Limitation IN NO EVENT SHALL MYERS BE LIABLE OR RESPONSIBLE FOR CONSEQUENTIAL INCIDENTAL OR SPECIAL DAMAGES RESULTING FROM OR RELATED IN ANY MANNER TO ANY MYERS PRODUCT OR PARTS THEREOF PERSONAL INJURY AND OR PROPERTY DAMAGE MAY RESULT FROM IMPROPER INSTALLATION MYERS DISCLAIMS ALL LIABILITY INCLUDING LIABILITY UNDER THIS WARRANTY FOR IMPROPER INSTALLATION MYERS RECOMMENDS INSTALLATION BY PROFESSIONALS Some states do not permit some or all of the above warranty limitations or the exclusion or limitation of incidental or consequential damages and therefore such limitations may not apply to you No warranties or representations at any time made by any representatives of Myers shall vary or expand the provision hereof gt Myers 1101 Myers Parkway Ashland Ohio 44805 1969 419 289 1144 www femyers com Warranty Rev 02 09 gt Myers START UP REPORT Distributor Order No Installing Contractor Phone Sales Contact Phone Customer Location 1 SYSTEM INFORMATION Size of Wet Well Manufacturer Discharge from Bottom of Basin Discharge Location Inlet2. other than Myers junction box is used a separate sealing connector must be used where wires leaves the basin See Wiring Diagram Fig 3 CAUTION If cords are taken directly through a conduit to control box a seal fitting must be used at inlet of conduit to prevent gas vapors from getting to control box This type of installation is generally not recommended because the sealing cement must be broken to remove a cord MOTOR ELECTRICAL CONNECTIONS Single phase motors are for 230 volts only A special control panel with start and run capacitors and start relay are required for these pumps These control panels must be obtained from FE Myers or must be approved by Myers or warranty on motor is void Also warranty is void if the heat sensor and seal fixture wires are not connected properly to control box terminal strip CAUTION Pump motor is not to be taken apart in the field Motors under warranty must be serviced by Myers authorized repair station or be sent to factory 23833A55 IN SUMP CONNECTION BOX SIMPLEX SYSTEM FLCW 3 BALL CONTROL FLOW HIGH LEVEL PUMP START u CONTROL CORD U FLCW ALARMCORD f 16 2 ET PUMP POWER CORD HIGH LEVEL CORD CONTROL CORD ALARM CORD FLCW SK LOW LEVEL CUT OFF SWITCH 16 2 SEALING COMPOUND DO NOT SEAL UNTIL UNIT HAS BEEN RUN POWER LINES MUST BE SIZED DEPENDING ON PUMP SIZE AND VOLTAGE AND DISTANGE FROM WET WELL SEE TABLE 2 CAN BE INDIVIDUAL WIRE
3. from Bottom of Basin Inlet Location Type of Check Valves Type of Piping Does System Have Suction Gauges Yes No Suction Pressure Reading Does System Have Discharge Gauges UO Yes No Discharge Pressure Reading Liquid Being Pumped Temperature F Pct of Solid Is a Sketch or Photograph of System Available Q Yes If So Please Attach Any Additional Comments on System 2 ELECTRICAL INFORMATION Control Panel Part Number Panel Rated Amps Manufacturer Voltage Phase Heater Size Location of Panel to Wet Well Incoming Line Voltage Actual Voltage to Pumps Actual Type of Junction Box Manufacturer of Junction Box Are Floats Installed in Wet Well Yes UO No Are Floats Set to Engineers Specs Yes No Are Floats Wired for Proper Sequencing Yes No Are Heat Sensors Hooked Up Yes Is the Seal Leak Detection Hooked Up O Yes No Any Additional Comments on Electrical 3 PUMP INFORMATION Type of Pump Serial Number of Pump Voltage of Pump Phase RPM Amps Impeller Size 5 GPM Voltage Supplied from Panel Actual Actual Amperage All Phases Phase 1 Amps Phase 2 Amps Phase 3 Amps Define the Rotation of the Pump U Clockwise U Counterclockwise Method Used to Check Rotation U Viewed from the Top U Viewed from the Bottom Any Additional Comments on Pumps 4 ACKNOWLEDGE Ack
4. 370 Volt 1020 1224 MFD 15 MFDS PU FL 150 160 DO VL 40 4 10 VA 3WHV20M4 01 12161 WA Se 21990A010 16 7 Amp al O 5 V3WHV20M4 01 etn ee 5 MEDS PU FL 250 270 DO VL 110 3WHV20M4 21 12141A006 19076A000 V3WHV20M4 21 2 220 VAC 961 430 Volt PU 2 na 00 270 324 MFD 25 MFDS 3WHV30M4 21 12141A008 23839A000 21990A004 43 A V3WHV30M4 21 3 amp 5 220 VAC 370 Volt PU FL 00 DO ve 95 430 516 MFD 30 MFDS i TABLE 2 CABLE SIZE REQUIRED DEPENDING ON MOTOR HORSEPOWER VOLTAGE AND DISTANCE OF CONTROL PANEL FROM PUMP MAX OFFSET DISTANCE FEET PER WIRE GA Motor Horsepower 1 1 1 1 1 1 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 23833A55 6 Fig 3 8 V3WHV WIRING DIAGRAMS GROUND SCREW GROMMET MOTOR STATOR 208 OR 230 V SINGLE PHASE MOTOR STATOR 230 V THREE PHASE GROUND SCREW GROMMET MOTOR STATOR 200 OR 575 V THREE PHASE GROUND SCREW GROMMET MOTOR STATOR 460 V THREE PHASE 23833A55 INSTALLING RAIL SYSTEM PARTS Horizontal Models Only MOUNTING COVER DISCHARGE BASE amp RAILS 1 Set concrete cover with hatch opening in position If base cover is to be steel or aluminum secure the cover to basin walls with expansion bolts Bolt rail guide plates Fig 4 to frame Stainless steel bolts are screwed through frame angles when shipped and nuts are provided to hold the plate Brackets have vertical slots so that they can be adjusted for final
5. 3WHV V3WHV M j Non Clog Pumps yers Installation and Service Manual Pentair Water Please fill out the attached Start Up Report and return to the warranty department 23833A55 Rev 05 08 amp V3WHV CROSS SECTION PLUG PIPE 1 CABLE 2 CONNECTOR CABLE 3 CAP CORD 4 SCREW CAP 3 REQD 5 O SCREW MACH 3 REQ D 6 Bu CONNECTOR SCREW 3 REQ D 8 PLATE UPPER SEALING 9 NE SCREW SPECIAL 10 Z AN w Z IU GROMMET SEALING 11 22222 A LL Z U 8 BOLT EYE PLATE LOWER SEALING 12 NS B SCREW DRIVE 2 REQ D SESSION pa Ha VER WY 40 PLATE NAME 2 REQ D o IN SE N WIRE WHITE 15 N B 41 TAG NAME PLATE WIRE BLACK 16 2 WIRE TAG CONNECTOR BUTT 3 REQ D EN a PLUG PIPE 17 it i EMBLEM OIL FILL 18 1 WASHER FINGER SPRING 2 REQ D 9 7 gd y N 2 2 43 TRANSFORMER 2 EH q PIE RY A N 4 2 a BEARING BALL UPPER 20 TIE CABLE 2 REQ D en SARI 7 ROTOR WITH SHAFT 2 z CA A E STATOR 03 ES 2 R 44 SCREW CAP 4 REQ D HOUSING MOTOR 24 2 KIN BEARING BALL LWR 25 GA gt SS HO
6. AS REQ D re p dA T ad CHECK VALVE z SRA e 2 i DISCHARGE PIPING gt ka 2 3 4 GUIDE RAILS MUST BE PLUMB a r zb aD mb ab AI La A 2 R RZS z BJ o L DISCH AND RAIL SUPPORT CASTING l 2 f en ALAN eg Are sue E de JA gt 3 N ET en nee l a a nl Fig 11 23833A55 12 ELECTRICAL CONTROLS All Models FLOAT SWITCH INSTALLATION 1 Level Controls are held by support bracket and cords are adjusted for proper depth a Lower Turn Off Control should be set so that pump stops when water level is about at the top of the volute b First Turn On Control is set to start pup when level is at height specified above pump c Second Turn On Control of a duplex pump system is set at height specified above first turn on control d Alarm Control is set about 6 to 12 above the highest Turn On Control e No Control should be set above basin inlet invert MAKING ELECTRICAL CONNECTIONS 1 If control panel is mounted directly on basin top the power and control wires are taken directly to control box and are sealed in the cord plate with cord grip connectors 2 If panel is installed remote from basin the cords can be taken through a conduit to control panel or junction box can be used in the basin to make connections The Myers junction box has a built in sealing connector to seal the outgoing wires If
7. Fig 5 can be furnished for mounting directly to a pipe cemented in the basin wall This bracket is set and aligned with discharge base the same as described for the rail guide plate attached to the frame 23833A55 ATTACHING MOUNTING PLATE TO PUMP 1 With the gasket between the mounting plate and pump discharge attach the mounting plate with the bolts supplied See Fig 6 The mounting plate should be turned so that two pins are horizontal and one pine vertical pointing up LOWERING PUMP TO DISCHARGE BASE 1 Attach lifting chains to eye bolts on top of the pump with the clevis furnished Ahook is located on the top guide rail bracket to hold the upper end of the chain when not in use Check pump rotation is 3 phase Connect power cords to motor control panel and lay pump on its side so that impeller can be seen Turn all switches to off position Close main circuit breaker then jog manual switch to ON then OFF Note rotation direction of impeller Impeller must turn counterclockwise as looking into the impeller s inlet If rotation is wrong interchange any two line leads to the motor BE SURE MAIN BREAKER IS OFF WHEN THIS CHANGE IS MADE MARK WIRES SO THEY CAN BE REPLACED IN SAME ORDER Mount the guide plate on the vertical pin of the mounting plate Position the guide openings parallel with the face of the mounting plate Snug the two set screws but do not over tighten at this time Slowly lo
8. MUST HAVE SMOOTH LEVEL TROWLED SURFACE 10 Fig 6 INSTALLATION DIMENSIONS FOR 3WHV PUMPS LIFT OUT SYSTEM HATCH AND COVER USE 3 4 x 21 2 EXPANSION BOLTS SIMPLEX amp DUPLEX BASE amp DISCHARGE SURFACE BELOW FRAME MUST BE HATCH ASSEMBLY TO BE CEMENTED SMOOTH AND NOT PROTRUDE INTO IN PLACE WHEN BASIN TOP IS FRAME OPENING POURED ANCHORS AND PLATE MTG BOLT HEADS ARE CEMENTED INTO TOP Fig 7 INSTALLATION DIMENSIONS Pump Basin Cover Hatch A 7 8 5 8 3WHV Simplex 3 48 HCD 48WHV HCR 48HWV HA 48WHV HS 48WHV 5 i 3WHV Duplex HCD 60 HCR 60 11 11 HA 60 HS 60 TABLE 4 11 23833A55 TYPICAL INSTALLATION FOR DUPLEX SYSTEM WITH CONCRETE BASIN AND OUTSIDE VALVE BOX FLOW MOUNTING BRACKET SERVICE POLE OPTION 6 U m N ME FLASHING ALARM LIGHT WEATHERPROOF Z CONTROL BOX Z CORD SEAL CONNECTIONS FOR POWER AND CONTROL CORDS NOT SHOWN OPT JUNCTION BOX MUST BE USED IF CONTROL BOX i WINGED ACCESS DOGA IS OFFSET FROM BASIN i ALUM OR STEEL TOP RAIL SUPPORT i E Me A NY L aS hee OUTSIDE VALVE BOX y ti EEE e ad K KAN 8 7 ji ea oe gt Seine 4 GATE ee RSL A pr 7 4 VALVE l Es 43 a les 4 2 ki LIFTING 54 A z CHAIN D EE il BELOW INLET
9. OCATED 180 FROM WASHER LOCKING PROJECTION FLATTEN ONE ON EACH SIDE OF PIN AFTER ASSEMBLY OF HEX HEAD CAP SCREW BEND REMAINING TABS AGAINST HEX HEAD 1 1 RETAINING 23609A001 WASHER W PIN Sex 114 O D x THK 1 TROUBLE CHECK LIST Troubles listed generally pertain to the pump and auxiliary components Other troubles can occur from a faulty control box these will be listed with the control box instructions CONDITION PROBABLE CAUSE Pump runs but does not pump 1 Pump impeller may be air locked this occasionally occurs on liquid from basin a new installation Start and stop pump several times to purge air Be sure air vent hold in volute case is clean See Fig 1 2 Run additional water into basin so that pump will be submerged deeper to clear water 3 If pump is three phase rotation may be wrong See instructions for checking proper rotation 4 If pump has been installed for some time and does not pump it may be clogged at inlet 5 Discharge gate valve may be closed 6 Discharge check valve may be clogged or have a broken clapper or spring 7 Discharge head may be too high Check elevation Maximum pump head at zero flow is shown on pump curve sheet 8 Ifabove checks do not locate trouble motor rotor may be loose on shaft which allows motor to run but will not turn impeller or only at low RPM Overload trips at control box 1 Push in on red reset button to reset overload If overload and alarm bu
10. S INSTEAD OF CORD AS SHOWN Sr HITE b BLACK J BED I CONNECT TO GROUND BAR Fig 9 23833A55 IN SUMP CONNECTION BOX DUPLEX SYSTEM FLCW 4 BALL CONTROL PUMP 1 PUMP 2 POWER CORD POWER CORD PUMP 2 PUMP 1 CONTROL CORD CONTROL CORD N p A M ASA p 22 PUMP ON SWITCH PUMP ON SWITCH 16 2 16 2 T ne gt 2 Y N a A FLCW lt 0 ha 22 FLOW PRMARY __ p 4 SECONDARY L by 5 x gt gt 0 ke zm FLOW Sy 0 ALARM CORD FLOW 16 2 OPTIONAL PUMP OFF SWITCH 16 2 PUMPJO 1 s qds FE SEALING COMPOUND DO NOT SEAL UNTIL UNIT HAS BEEN RUN CAN BE INDIVIDUAL WIRES INSTEAD OF CORD AS SHOWN 5 w POWER LINES MUST BE SIZED Fig 1 0 CONNECT TO GROUND BAR DEPENDING ON PUMP SIZE AND VOLTAGE AND DISTANCE FROM WET WELL SEE TABLE 2 15 23833A55 REMOVING PUMP CASE AND IMPELLER In case of wear damage due to dropping plugged pump or replacing a defective motor the pump volute case and impeller can be removed in the field 1 Remove bolts between seal housing flange and volute case The motor and impeller can now be lifted off as a unit 2 If necessary to remove impeller lay pump on its side With a screwdriver bend the tabs of the lock washer away from the heard of the hex head bolt 3 Loosen and remove the bolt by
11. USING SEAL amp LWR BRG 26 EE 4 GASKET TETRASEAL 27 gt A LY HW 2 Y REMOVE SPRING HOLDER Rd ISS lt A N 2 REI EF NH E HE UR y Y lt lt Al ROSY _ IAN ROEE N SCREW CAP 4 REQ D 9 Z Ko 2 XA RAA GASKET 8 A DV 2 Z PS G gt a 14 wa N D D Kd 2 N EN 22 SSS 7 W LOCKWASHER LOCK BRG LY 77542777 ta i WASHER RETAINING WITH PIN E pr NID 1 FLATTEN TWO TABS LOCATED 180 FROM WASHER IMPELLER 68 Lo CASE VOLUTE 3WHV 87 Q EJ ER Z LOCKING PROJECTION FLATTEN ONE ON EACH SIDE OF PIN AFTER ASSEMBLY OF HEX HEAD CAP SCREW BEND REMAINING TABS UP AGAINST HEX HEAD Fig 1 23833A55 2 3WHV 8 V3WHV PUMP DIMENSIONS lt 71 2 DIA 89 16 190 5 mm 217 5 mm 203 2 mm 89 16 217 5 mm 22746 31 6 DIA 570 97 8 251 mm 3 2 mm 68 2 mm Y Y y Fig 2 3 23833A55 PUMP MODELS These instructions cover the installation and service of the 3WHV V3WHV series of non clog pumps and guide rail systems for the horizontal discharge models only Both models are designed for handling raw sewage and waste water Do not use for acid waste water The pumps have 2 vane non clog impellers The 3WHV and V3WHV will pass 21 2 dia so
12. ctopure SE40 should be used and may be purchased from your Myers dealer AIR VENTING Upon initial filling of the wet well with the water air may be trapped in the pump volute To vent off this air a 5 32 diameter hole is located in the volute BE SURE THIS VENT HOLE IS CLEAN AFTER ANY SERVICE WORK ON PUMP WINDING PUMP MODEL TABULATION RESISTANCE Locked Rotor Starting Main Start Model No Amperes Code BL W BL R 3WHV10M4 21 50 V3WHV10M4 21 3WHV10M4 03 V3WHV10M4 03 3WHV10M4 23 V3WHV10M4 23 3WHV10M4 43 V3WHV10M4 43 3WHV10M4 53 V3WHV10M4 53 3WHV15M4 21 V3WHV15M4 21 3WHV15M4 03 V3WHV15M4 03 3WHV15M4 23 V3WHV15M4 23 3WHV15M4 43 V3WHV15M4 43 3WHV15M4 53 V3WHV15M4 53 E 13 13 SWHV15M4 21 V3WHV15M4 21 3WHV15M4 03 V3WHV15M4 03 3WHV15M4 23 V3WHV15M4 23 3WHV15M4 43 V3WHV15M4 43 3WHV15M4 53 V3WHV15M4 53 3WHV15M4 43 V3WHV15M4 43 SWHV15M4 21 V3WHV15M4 21 3WHV15M4 03 V3WHV15M4 03 3WHV15M4 23 V3WHV15M4 23 3WHV15M4 43 V3WHV15M4 43 3WHV15M4 53 V3WHV15M4 53 3WHV15M4 21 V3WHV15M4 21 3WHV15M4 03 V3WHV15M4 03 3WHV15M4 23 V3WHV15M4 23 3WHV15M4 43 V3WHV15M4 43 3WHV15M4 53 V3WHV15M4 53 TABLE 1 23833A55 ELECTRICAL COMPONENTS SINGLE PHASE ONLY ModelN HP RunCap No Start Relay No 3WHV10M4 21 V3WHV10M4 21 3WHV15M4 21 m Zr 22100068 21990 003 40 2 o P V3WHV15M4 21 ATEN SE PU FL 150 160 DO VL 40 12141A007 12749A004 21990A003 40 Amp 110 VAC
13. damaged by lightning Resistance reading of the motor with lead wires disconnected from the control box can determine if trouble is in motor or control box Impeller may be partially clogged with some foreign objects Causing noise and overload on the motor Impeller may be rubbing on wear ring due to bent shaft or misalignment Pump may be operating too close to shut off Check head Lower weight of level switch may be set too high Run pump on manual operation for several minutes with small amount of water running into basin to clean out solids and grease This allows pump to break suction and surge breaking up the solids If level switch is set properly this condition generally will not occur Trash and grease may have accumulated around floats Causing pump to operate erratically STANDARD LIMITED WARRANTY Myers warrants its products against defects in material and workmanship for a period of 12 months from the date of shipment from Myers or 18 months from the manufacturing date whichever occurs first provided that such products are used in compliance with the requirements of the Myers catalog and technical manuals for use in pumping raw sewage municipal wastewater or similar abrasive free non corrosive liquids During the warranty period and subject to the conditions set forth Myers at its discretion will repair or replace to the original user the parts which prove defective in materials and workmanship Myers re
14. fit on rails The plate has slots so the two plates in a duplex system can be adjusted to obtain 16 center to center distance between pumps Lower the base or base elbow assembly into the basin IMPORTANT Concrete bottom must be level and smooth for mounting discharge base See Fig 6 Approximately position the base such that the pipe rail locating pins protruding from the top of the base are directly below the rail guides attached at the top of the basin these rail guides should be positioned about mid way in the vertical adjustment slots Cut the pipe guide rails to length and install between the rail guides at the top of the basin and the pins on the base Guide rails are 34 Schedule 40 galvanized or stainless steel pipe Using a bubble level held against the rails move the base until both rails are vertical Now mark the position of the base hold down bolts through the holes in the base Remove the guide rails and move the base aside to allow drilling of the concrete for 5 8 expansion bolts 2 1 2 long Then move the base over the bolt holes and re install the guide rails Recheck rails with bubble level and install the bolts Install discharge pipe as required by the particular job specifications If one size larger discharge pipe is required a reducing elbow may be attached to the base If the top rail guide plate can not be attached to the hatch cover frame a special rail bracket
15. hite black red and green For 3 phase the red black and white conductors connect to the 3 line terminals and the green is connected to a good outside ground such as a ground rod at least 8 feet into soil Interchanging any two of the three power conductors will reverse a 3 phase motor 23833A55 For single phase the white and black leads connect to the two line terminals and the red connects to the start winding terminal The green is for ground and must be connected to a good outside ground See Fig 3 CAUTION Never pull pump or work on control box until incoming power is disconnected Never run motor until green ground conductor is connected to a good outside ground Never pull on electrical cable to lift pump Power cables attached to the pumps are No 10 gauge wire If the control panel is not located near the pump consult Table 3 for permissible wire gauge to run between the control panel and the junction box at the wet well Wire gauge No 10 may be used for all pump models located within 200 feet of the control panel OIL FILLED MOTOR The motor chamber is dielectric oil filled for good heat transfer and lubrication of bearings The motor requires no other oiling or greasing Oil level in the motor housing should be to the bottom of the oil fill plug with the pump in a vertical position Do not over fill the motor housing since some space is required for oil expansion See Fig 1 for oil levels Transformer oil SOHIO Fa
16. lids and has a 3 std flange discharge Drawing Fig 1 shows a cross sectional view of the pump Drawing Fig 2 shows the overall dimensions of each pump CAUTION In the initial installation before sewage is admitted to wet well there is no danger of enter ing the sump but after sewage has been in the sump there is danger Sewage water gives off methane and hydrogen sulfide gases both of which are highly poisonous Never enter wet well unless cover is open and an outside blower is used to force fresh air into the wet well Also the man in the wet well must wear a harness with rope to surface so that he can be pulled out in case of asphyxiation One man should not work alone HEAT SENSOR All SWHV and V3WHV single phase pump motors contain internally wired line break overloads while the 3WHV and V3WHV three phase pumps do not have heat sensors Any motor temperature above the sensor rating will open the overload and stop the motor The overload will automatically close upon cooling CAUTION The single phase pumps will restart with out warning as the motor cools Therefore never do service work on the pump unless power supply is disconnected WARNING On three phase pumps only qualified persons shall conduct services and installation of this pump The pump must be wired by a qualified elec trician using an approved starter box and switching device MOTOR POWER CABLE AND CONTROL CABLE Each power cord has 4 conductors w
17. nowledge that all information is accurate and proper procedures have been followed Customer Date Start up Technician Date Send to Warranty Manager 1101 Myers Parkway Ashland OH 44805 or Fax to 419 207 3344 or email to startupreport femyers com or submit online at hitp forms pentairliterature com startupform startupform asp type m au lt
18. serves the right to change or improve its products or any portions thereof without being obligated to provide such a change or improvement for prior sold and or shipped units Start up reports and electrical schematics may be required to support warranty claims Warranty is effective only if Myers authorized control panels are used All seal fail and heat sensing devices must be hooked up functional and monitored or this warranty will be void Myers will only cover the lower seal and labor thereof for all dual seal pumps Under no circumstance will Myers be responsible for the cost of field labor travel expenses rented equipment removal reinstallation costs or freight expenses to and from the factory or an authorized Myers service facility This limited warranty will not apply a to defects or malfunctions resulting from failure to properly install operate or maintain the unit in accordance with the printed instructions provided b to failures resulting from abuse accident or negligence c to normal maintenance services and parts used in connection with such service d to units which are not installed in accordance with applicable local codes ordinances and good trade practices e if the unit is moved from its original installation location f if unit is used for purposes other than for what it is designed and manufactured g to any unit which has been repaired or altered by anyone other than Myers or an authorized Myers service provider
19. turning counter clockwise Since Loctite is used to secure the bolt and on the shaft impeller interface heating of the shaft end to 450 to 500 F will usually be required 4 Impeller is mounted by a straight fit with driving key Pry evenly on opposite impeller sides with two large screwdrivers or small bars behind the impeller 5 Set motor on end with shaft up after removing impeller so that oil will not drain past the seal WASHER LOCK PROJECTION Fig 8 23833A55 16 REPLACING IMPELLER AND PUMP CASE 1 Apply Loctite 680 before assembly in keyway in the impeller bore lower shaft O D and on the threads of the hex head cap screw 2 Before placing the impeller on the shaft be sure the mechanical seal and its spring are in place 3 Position retaining washer with long pin extension in keyway 4 Obtain a new lockwasher and flatten two tabs located 180 from the locking projection on the inner edge of the washer There should be one flattened tab on each side of the pin extending from the retaining washer 5 Assemble hex head cap screw and tighten securely 6 Bend lockwasher tabs up against hex head of the bolt do not bend up the two tabs flattened on each side of the pin in the retaining washer SEAL SPRING IMPELLER HUB svev 1 KEY 05818A074 4x 14 x 1 6 1 LOCKWASHER 08001A007 BEARING W 01 1 CAP SCREW 19101A017 HEX HEAD 98 16 x 114 LG FLATTEN TWO TABS L
20. wer the pump down the guide rails to the base Inspect the mating of the mounting plate face to the base face they should be flat against one another If necessary loosen the two set screws of the guide plate and rotate the guide plate until an equal amount of clearance exists between the guide plate and the guide rails Retighten the set screws If no adjustment was necessary check that the set screws are tight The pumps are now properly positioned for operation TOP RAIL GUIDE FOR 3 amp 4 LIFT OUT SYSTEM 3 8 PLATE MOUNTING 4 REQ D 15 32 x 1 x 1 16 SC REW CAP 4 REQ D 7 16 14 1 16 TO CENTERLINE OF SECOND GUIDE PLATE IN DUPLEX PUMP SYSTEM lt 1112 1 HOLES IN SUPPORT ARE SLOTTED FOR VERTICAL ADJUSTMENT 3 SCH 40 PIPE Fig 4 358 SCREW SET 7 16 14 UNC x 5 8 75 8 2 REQD 16 TO CENTERLINE OF SECOND BRACKET IN DUPLEX PUMP SYSTEM HOOK FOR LIFT CHAIN 3 4 SCH 40 PIPE 1 Fig 5 9 23833 55 23833A55 TYPICAL INSTALLATION 10346 CHAINS AND CLEVIS NOT SHOWN PLATE I 1 i 1 COVER FRAME RAIL GUIDE SUPPORT PLATE BOLTS TO HATCH COVER FRAME lt GUIDE RAILS BY OTHERS DISCHARGE PIPE BY OTHERS SCREW CAP 8 REQ D FOR 3 61 2 BOTTOM OF BASIN
21. zzer or flashing trips again after short run pump has some damage and must red light comes on due to high be removed from basin for checking water level in basin 2 Trouble may be from clogged impeller causing motor to overload or could be from failed motor 3 Trouble may be from faulty component in control box Always check control box before removing pump Yellow run light stays on continuously 2 Indicates H O A switch may be in the hand position Level control switch may have failed causing pump to continue to operate when water is below lower control 3 Impeller may be partially clogged causing pump to operate at much reduced capacity 4 Gate valve or check valve may be clogged causing low pump flow 5 Pump may be air logged Lift arm on check valve to vent off air Also check that the 5 32 vent hole in the volute is open 17 23833A55 CONDITION Circuit breaker trips Pump is noisy and pump rate is low Grease and solids have accumulated around pump and will not pump out of basin 23833A55 TROUBLE CHECK LIST Cont d PROBABLE CAUSE Reset breaker by pushing clear down on handle then back to on position If breaker trips again in a few seconds it indicates excessive load which is probably caused by a short in the motor or control box Check out instructions given with control box before pulling pump If this condition happens after an electrical storm motor or control box be
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