Hayward Self-Priming Max-Flo™ Pump
Contents
1. hex head bolts which hold the motor assembly to the pump strainer housing Slide the motor assembly out of the pump strainer housing exposing the diffuser Pull the diffuser off of the seal plate exposing the impeller The diffuser may remain in the pump strainer housing To remove pull it straight out of the strainer housing REMOVING THE IMPELLER 3 Remove the motor end cover by removing the two 2 screws 4 For A O S motor hold motor shaft from turning Carefully slide a 7 16 wrench between the capacitor and the protector switch and rotate the impeller so the wrench fits over the 2 flats on the motor shaft For magnetic motor snap capacitor out of bracket and use 3 8 open end wrench on motor shaft flats Rotate the impeller counterclockwise and remove The spring portion of the seal assembly is now exposed Note carefully the position of the spring seal and remove it NOTE Replace motor cover to protect delicate motor parts REMOVING THE CERAMIC SEAT 6 Remove the seal plate Note the notch on the top of the plate and the mating lug on the top of the motor mounting bracket Press the ceramic seat with O ring out of the seal plate If tight use a small screwdriver to tap seat out STOP Clean all recesses and parts to be reassembled Inspect gaskets and replace if necessary SEAL INSTALLATION 8 Clean and lubricate the impeller hub shaft and pump housing seal recess with a dilute solution of no2. GUIDE A MOTOR WON T START 1 Tighten all bolts and fittings 1 Check for improper or loose connections open switches or relays blown circuit breakers or fuses 2 Manually check rotation of motor shaft for free movement and lack of obstruction 2 Check voltage to make sure pump is up to speed 3 Open pump and check for clogging or obstruction 4 Remove and replace shaft seal B MOTOR CUTS OUT Check for If pump develops a vacuum check for blocked 1 Wiring loose connections etc suction line or strainer or air leak in suction piping 2 Low voltage at motor frequently caused by undersized LOW FLOW Generally check for wiring 1 Clogged or restricted strainer or suction line undersized 3 Binding and overload Amperage reading pool piping Plugged or restricted discharge line of filter high NOTE Your Hayward pump motor is equipped with discharge gauge reading Automatic Thermal Overload Protection The motor re S will automatically shut off under normal conditions 3 Air leak in suction bubbles issuing from return fittings before heat damage build up due to an improper 4 Pump operating underspeed low voltage operating condition can occur The motor will 5 Plugged or restricted impeller auto restart when safer heat level is reached F NOISY PUMP Check for C MOTOR HUMS BUT DOES NOT START 1 Air leak in suction causing rumbling in pump Check for Pi 2 Cavitation due to rest
3. 25F SPX125F SPX125F SPX125F Motor 60 Cycle Single Phase SPX1600Z1M SPX1605Z1M SPX1607Z1M SPX1610Z1M SPX1615Z1M MAINTENANCE 1 Clean strainer basket regularly Do not strike basket to clean Inspect strainer cover gasket regularly and replace as necessary 2 Hayward pumps have self lubricating motor bearings and shaft seals No lubrication is necessary 3 Keep motor clean Insure air vents are free from obstruction 4 Occasionally shaft seals become damaged or worn and must be replaced See instructions STORAGE WINTERIZING 1 Drain pump by removing drain plug s and store in strainer basket 2 Disconnect electrical wires and pipe connections and store pump in dry well ventilated room Or as a minimum precaution 3 Disconnect electrical wires Remove four bolts holding bracket and motor assembly to strainer housing and store assembly in a dry well ventilated room Protect remaining strainer housing assembly from the elements by covering NOTE Before reactivating pump thoroughly clean and remove scale dirt etc SEAL CHANGE INSTRUCTIONS SP2800X SERIES MAX FLO GENERAL Exercise extreme care in handling and installing the new seal and ceramic seat assembly The lapped and polished surfaces may easily be damaged by dirt or scratching For safety all service must be performed with all power shut off REMOVING THE MOTOR ASSEMBLY 1 Remove the four 4 3 8 x 2
4. IS2800X5 99 HAYWARD SELF PRIMING MAX FLO PUMP INSTALLATION AND OPERATING INSTRUCTIONS Your Hayward self priming centrifugal pump has been quality built and engineered to give you many years of efficient dependable corrosion free service The advanced design reduces operation and maintenance has been reduced to simple common sense procedures IMPORTANT SAFETY INSTRUCTIONS When installing and using this electrical equipment basic safety precautions should always be followed including the following Failure to follow instructions may result in injury READ AND FOLLOW ALL INSTRUCTIONS WARNING To reduce risk of injury do not permit children to use this product unless they are closely supervised at all times CAUTION This pump is U L listed for permanently installed pools and may also be used with hot tubs and spas if so marked It is not U L listed for storable pools A permanently installed pool is constructed in or on the ground and cannot be readily disassembled for storage A storable pool is constructed so that it may be readily disassembled for storage and reassembled to its original integrity If installed within an outer enclosure or beneath the skirt of a hot tub or spa adequate ventilation and free circulation of air must be provided to prevent overheating of the motor Use motor bonding lug to connect the motor with other bonding parts using a 8 AWG conductor as required by electrical codes NOTE If your pump i
5. PX1600N Strainer Cover SPX1250L SPX1250L SPX1250L SPX1250L SPX1250L Strainer Cover Gasket SPX125T SPX125T SPX125T SPX125T SPX125T Basket SPX2800M SPX2800M SPX2800M SPX2800M SPX2800M Drain Plug w Gasket SPX1700FG SPX1700FG SPX1700FG SPX1700FG SPX1700FG Pump Strainer Housing SPX2800AA SPX2800AA SPX2800AA SPX2800AA SPX2800AA Diffuser Gasket SPX1600R SPX1600R SPX1600R SPX1600R SPX1600R Diffuser SPX2800B SPX2800B SPX2800B SPX2800B SPX2800B ojo NI OD a AJ wo pr Impeller SPX2600C SPX2605C SPX2607C SPX2610C SPX2615C Oo Seal Assembly SPX1600Z2 SPX1600Z2 SPX1600Z2 SPX1600Z2 SPX1600Z2 Housing Gasket SPX1600T SPX1600T SPX1600T SPX1600T SPX1600T Seal Plate SPX2600E SPX2600E SPX2600E SPX2600E SPX2600E Motor Mounting Plate SPX1600F SPX1600F SPX1600F SPX1600F SPX1600F Housing Cap Screw SPX160024 SPX1600Z4 SPX16002Z4 SPX1600Z4 SPX1600Z4 Motor Cap Screw SPX125Z4 SPX125Z4 SPX12524 SPX12524 SPX12524 Mounting Foot Left SPX1600G SPX1600G SPX1600G SPX1600G SPX1600G Mounting Foot Right SPX1600J SPX1600J SPX1600J SPX1600J SPX1600J Mounting Foot Cap Screw SPX1600Z5 SPX1600Z5 SPX1600Z5 SPX1600Z5 SPX1600Z5 Slinger SPX125F SPX1
6. must always be properly grounded If cord connected use only a properly grounded outlet Electrical circuits must be protected by proper size ground fault circuit interrupter GFCl as required by applicable electrical codes All electrical wiring must be performed by qualified personnel and must conform to local codes and regulations STARTING AND PRIMING INSTRUCTIONS Fill strainer housing with water to suction pipe level Never operate the pump without water Water acts as a coolant and lubricant for the mechanical shaft seal Open all suction and discharge lines and valves as well as air bleed if available on filter The air that is to be displaced from the suction line must have some place to go CAUTION All suction and discharge valves must be open when starting the system Failure to do so could cause severe personal injury and or property damage Turn on power and allow a reasonable time for priming Five minutes is not unreasonable Priming time depends on suction lift and horizontal length of suction piping If the pump will not start or will not prime see TROUBLE SHOOTING GUIDE on back page DESCRIPTION PART NUMBER Mounting Adapter Optional with some motors MODEL SP2800X5 MODEL SP2805X7 MODEL SP2807X10 MODEL SP2810X15 MODEL SP2815X20 Hand Knob SPX1600P SPX1600P SPX1600P SPX1600P SPX1600P w Swivel Nut SPX1600N SPX1600N SPX1600N SPX1600N S
7. n granulated liquid type soap The use of petroleum or silicone lubricants may contribute to seal leakage Gently wipe the black polished surface of the spring seal assembly with a clean soft cotton cloth Press the spring seal assembly onto the impeller hub black polished surface facing away from the impeller Gently wipe the polished face of the ceramic seat with a soft cotton cloth Lubricate the O ring on the ceramic seat and press it firmly and evenly into the recess of the seal plate polished side facing out 11 Place the seal plate onto the motor mounting bracket aligning the positioning lug and guide REPLACING THE IMPELLER AND DIFFUSER 12 Screw the impeller onto the motor shaft in a clockwise direction Tighten snugly by holding motor shaft with wrench 13 Place the diffuser over the impeller onto the seal plate fitting positioning lug between the two guides REPLACING THE MOTOR ASSEMBLY 14 Slide the motor assembly with the diffuser in place into pump strainer housing being careful not to dislodge the diffuser 15 Fasten assembly to housing using the four 4 3 8 x 2 bolts Be sure housing gasket is in place Tighten alternately and evenly For motors without removable end cover pry off cap at rear center of motor Place large screwdriver in slot end of shaft to keep shaft from turning ELECTRICAL GUIDE 60 CYCLE MOTORS SINGLE PHASE RECOMMENDED WIRE SIZE 0 50 TROUBLE SHOOTING
8. ricted or undersized suction line 1 Governor stuck in open position and unrestricted discharge lines Correct suction 2 Open capacitor condition or throttle discharge lines if practical Vi i i i D PUMP WON T PRIME ibration due to improper mounting etc 1 Make sure pump strainer housing is filled with water Foreign matter in pump housing and that cover gasket is clean and properly seated Motor bearings made unserviceable by wear rust or Tighten hand knob continual overheating Make sure all suction and discharge valves are open and unobstructed and that pool water level is above all suction openings SERVICE amp REPAIRS Consult your local authorized Hayward dealer or service center No pumps or motors may be returned directly to the factory Block off suction as close to pump as possible and determine if pump will develop a vacuum a If pump does not develop a vacuum and pump has without the expressed written authorization of Hayward Pool sufficient priming water Products Inc HAYWARD POOL PRODUCTS INC Hayward Pool Products Inc Hayward Pool Products Inc Hayward Pool Products Canada Hayward S A 900 Fairmount Avenue 2875 Pomona Boulevard 2880 Plymouth Drive Zone Industrielle de Jumet Elizabeth NJ 07207 Pomona CA 91768 Oakville Ontario L6H 5R4 B 6040 Charleroi Belgium Rev 7 99 A 1999 Hayward Printed in U S A
9. s equipped with a 3 ft 1 m cord and twist lock plug items 5 through 8 apply WARNING Risk of Electric Shock Connect only to a grounding type receptacle protected by a ground fault circuit interrupter GFCl Contact a qualified electrician if you cannot verify that the receptacle is protected by a GFCI Do not bury cord Locate cord to minimize abuse from lawn mowers hedge trimmers and other equipment WARNING To reduce the risk of electric shock replace damaged cord immediately WARNING To reduce the risk of electric shock do not use extension cord to connect unit to electric supply provide a SAVE THESE INSTRUCTIONS properly located outlet GENERAL TIPS ON PUMP INSTALLATION Locate the pump as close to pool as practical and run suction line as direct as possible This cuts down on friction loss through pipe and fittings Never overtighten pipe connections use only pipe sealants formulated specifically for plastics i e Teflon tape Permatex No 2 etc Suction line should have continuous slope from lowest point in line Make sure suction joints are tight Suction pipe should be as large or larger than discharge pipe Damp non ventilated locations should be avoided Motors require free circulation of air to aid in cooling Insure that the electrical supply available agrees with the motor s voltage phase and cycle and that wire size is adequate for the HP KW rating and distance from power source Motor
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