HP 20598 User's Manual
Contents
1. Models 020598 and 020599 General Safety continued Spilled gasoline on a hot engine may cause fire or an explosion Fill gasoline tank out of doors and wipe up any spills e Provide a fire extinguisher nearby when working with gasoline Be sure extinguisher is in operating condition check the pressure gauge or indicator Be familiar with its proper use Consult local fire department for the correct type of extinguisher for your appli cation Extinguishers rated ABC by the National Fire Protection Association are appropriate for most applications IMPORTANT Positively no smoking 12 DO NOT RUN THE ENGINE IN AN ENCLOSED AREA Exhaust fumes contain carbon monoxide which is an odorless and poisonous gas If equipment is located in an enclosed area use an exhaust line to the out side and regularly check the exhaust system for leaks Be sure the area is well ventilated 13 Check engine oil and fuel levels before initial start up each day Stay away from moving parts Avoid wearing loose jackets shirts and ties Make sure all nuts and bolts are secure Keep power shields and guards in place If adjustments must be made while the unit is running use extreme caution around hot manifolds moving parts etc 14 Do not operate this equipment when mentally or physically fatigued Be careful not to A CAUTION touch the exterior of the engine especially the muffler and the surrounding area The engine is hot2. recesses before installing new pieces Carefully wipe polished surface of new seal seat with a clean cloth Wet rubber portion of seal seat with a light coating of soapy water Press seal seat squarely into recess in impeller If seal seat does not press squarely into recess it can be adjusted by pushing on it with a piece of pipe Always use a piece of cardboard between pipe and seal seat to avoid scratching lapped highly polished surface of seal seat handle it carefully face using fasteners and fastener seals Be sure to replace gasket Ref No 31 between engine and adapter if removed during disas sembly A CAUTION Tighten adapter fas teners evenly to avoid cocking or damaging adapter 13 Replace impeller and shims ensur ing that key Ref No 8 is in place and lock impeller to shaft with fas tener and impeller seal on fastener 14 Replace volute seal and volute with fasteners ensure that check valve Ref No 12 is in place then remount casing seal and pump cas ing with fasteners and nuts Operating Instructions and Parts Manual Models 020598 and 020599 Maintenance continued IMPORTANT Always inspect all seals when unit is disassembled Replace when rubber is hard cracked or worn When reassembling parts with o ring seals or gaskets it is sometimes helpful to apply a small amount of soapy water on o ring so that parts slide over o ring without pinching
3. set 020644 020644 1 005 015 030 one each 31 Gasket 020645 020645 1 33 t Seal kit EPDM standard 020646 020646 Standard hardware item available locally t Includes all required seals Ref Nos 2 4 6 7 12 14 18 22 23 24 31 11 Operating Instructions and Parts Manual 020598 and 020599 Notes 12
4. IPMENT Discharge outlet 2 PROBLEMS To help recognize this t Standard NPT female pipe thread ear observe the following symbols Dimensions overall Y D indicat 020598 13 Hx15 Wx18 L Ny dd ai tate ve nai 020599 18 L x 17 4W x 15 4H eee ete ee aE ardous situation which if not avoided Engine WILL result in death or serious injury 020598 35 F be a 3 5 HP B amp S zo indi Warning indicates a 020599 5 5 HP B amp S OHV Intek AWARNING potentially haz Oiltype SAE 30W Detergent ardous situation which if not avoided COULD result in death or serious injury Weight tea ar 020598 oh ns Bee ee ed 38 Ibs euron indicates O20599 te seth ee Er aa ys 43 Ibs A CAUTION potentially haz i ardous situation which if not avoided Material Glass filled polypropylene MAY result in minor or moderate injury NOTE Indicates important information Ss afety Guidelines that if not followed may cause dam age to equipment Failure to follow any z A DANGER warningsl cautions Unpacking A can result in personal injury pump dam After unpacking the unit inspect care age andlor property damage fully E at damage that ied have This manual contains information that Occuriee COAG talisits Make sure to is very important to know and under SH PU ae 8 etc before put 3824 254 00 FW0520 0703 Supercedes NEW 7 2003 Operating Instructions and Parts Manual 020598 and 020599 Self P
5. Manual 020598 and 020599 Self Priming Engine Driven Centrifugal Pumps Installation continued should not be greater than 25 of 2 Mount the unit on a solid founda heated aN tion On fixed installation install ing pump uct both a union and a gate valve not inlet size for trash pumps furnished on the discharge side of Operation the pump for service convenience 1 Fill the engine crankcase with oil as Do not use a globe specified in the engine manual If the A CAUTION or other restricting engine has no dipstick then fill the type of valve at the discharge as this crankcase with oil until the oil over would seriously restrict the capacity of flows starts spilling out of the the pump crankcase Periodically check oil level 3 Attach suction line piping to the suc thereafter tion inlet and discharge line piping 2 Fill the gasoline tank as required to the discharge outlet The suction Refer to engine instruction booklet line should be positioned such that Never add gasoline there is a continual upward slope AWARNING 2a hot caine from the fluid source to the pump Avoid using loops or sections of pipe fitti hich might it air t become tapped T alta 3 Fill the pump with liquid through the ump discharge or the priming port IMPORTANT If plastic or fabric hose is inpia EEE ae It fay Be used for the suction piping it should convenient to screw in a service tee be of a reinforced type so as not to
6. No 4 and shims Ref No 21 GPH of Water at Total Head in Feet 10 20 30 40 50 _60 70 80 020598 8460 7680 6840 6000 5100 4140 3180 2100 840 94 ft 020599 8460 7920 7440 6960 6360 5760 5040 4200 3360 125 Shut off to convert to psi divide by 2 31 5 Operating Instructions and Parts Manual 020598 and 020599 Self Priming Engine Driven Centrifugal Pumps Maintenance continued 9 After seal seat is in place ensure NOTE To keep shaft from turning hold that it is clean and has not been impeller while unthreading impeller marred fastener 10 Using a clean cloth wipe shaft and 3 Pry seal seat from impeller recess make certain that it is completely with a screwdriver See Figure 1 clean Impeller 11 Place adapter seal o ring onto seal Seal Seat head behind flange and press assembly into adapter as shown in Figure 2 Do not touch or wipe A CAUTION polished face of seal Engine Shaft head Flange of Installed Seal Head Should be Impeller er ted Against Screw Carbon Face f Push out Screw Driver or pn Figure 1 Mechanical Seal i Replacement 2 4 Remove adapter by unthreading shat A l adapter fasteners Ref No 5 and oat prodded fastener seals Ref No 4 Press old ey seal head and adapter seal Ref No Figure 2 Mechanical Seal 24 out of adapter by pushing from Replacement engine side 12 Secure adapter on engine mounting 5 Clean adapter and impeller seal
7. Operating Instructions amp Parts Manual 020598 and 020599 Please read and save these instructions Read carefully before attempting to assemble install operate or maintain the product described Protect yourself and others by observing all safety information Failure to comply with instructions could result in personal injury andlor proper ty damage Retain instructions for future reference Self Priming Engine Driven Centrifugal Pumps Description These centrifugal pumps include a precision mechanical seal with stainless steel spring EPDM seals carbon face and ceramic seat and a built in check valve for better self priming capabilities up to 20 ft suction lift Clog resistant impeller is capable of handling solids up to 7 16 diameter Pumps include molded carrying handle rubber foot pads and two 2 NPT pipe nipples Handle liquids from 40 to 130 F 4 to 54 C For use with nonflammable non abrasive liquids compatible with pump component materials Applications include pumping clear clean water salt water and some liquid fertil izers and herbicides An optional Buna N Seal O ring Flapper Kit see Repair Parts List is available for pumping additional liquids If the liquid is not compatible with Buna N optional or EPDM standard rubber materials do not use these pumps Specifications stand This information is provided for Suction inlet 2 SAFETY and to PREVENT EQU
8. ate from fluid source 3 Gate valve closed 3 Open 4 Clogged strainer 4 Clean or replace 5 Fouled foot valve 5 Clean or replace 6 Discharge height too 6 Lower the height great Operating Instructions and Parts Manual 020598 and 020599 Troubleshooting Chart continued Symptom Possible Cause s Corrective Action Pump Leaks at shaft Worn mechanical seal Replace Engine will not startor 1 Stone or foreign object 1 Disassemble pump and remove run or when you pull lodged in impeller stone or foreign object rope to start it will 2 No oil in crank case 2 Fill oil to overflowing or check not move dipstick See engine manual 10 Operating Instructions and Parts Manual 020598 and 020599 For Repair Parts contact dealer where pump was purchased Please provide following information Model number Serial number if any Part description and number as shown in parts list Figure 3 Repair Parts Illustration Repair Parts List Ref 3HP B amp S 5 HP B amp S No Description 020598 020599 Qty 2 Slinger washer EPDM 020631 020631 1 3 Adapter 020632 020632 1 5 Adapter fastener 020633 020633 4 8 Key 020634 020634 1 9 Impeller 020635 020636 1 10 Impeller fastener 020637 020637 1 11 Volute fastener 020638 020638 1 13 Fill plug 020639 020639 1 15 Casing 020640 020640 1 17 Drain plug 020641 020641 1 19 Volute fastener 020642 020642 2 20 Volute 020643 020643 1 21 Impeller shim
9. col or a tee with a nipple into the dis lapse under suction The discharge pip ing should be at least the same size as charge So thrat the pamp cah pe filled using th f the t the discharge connection Suction pip IEG using tera PPerleg ot the See ithout di ting the disch ing should be the same size as the dis Pace roe he ee ee ace hose or pipe The vertical leg must be charge piping or one size larger Unless closed with a pipe plug during long horizontal runs are involved dis pumping Remember the pump is charge piping should not be larger self priming only when the pump than suction piping Avoid using casing has been filled The pump looped sections of pipe which might should prime and re prime without permit air to become entrapped Assure on A refilling Refilling is necessary occa air tight pipe connections with the use sionally if an unusual siphoning has of a pipe joint sealant occurred if the fluid has been lost by 4 A foot valve may be used on the evaporation and when the unit is suction line to assist in faster pump moved to a new location ing The foot valve should be installed when the suction lift is over A CAUTION 10 feet or when the suction line is over 10 feet long 5 A suitable suction strainer should be attached to the suction line so that tions in the engine manual large pieces of foreign material are A not drawn into the pump The maxi 5 With a suction lift of 5 to 10 feet the mu
10. designed pletely plugged Hole or air leak in suction 5 line Foot valve too small 6 Impeller damaged 7 Foot valve or suction line 8 not submerged deep enough in water pulling air Insufficient inlet pressure 9 or suction head Suction piping too small Casing gasket leaking Suction or discharge line 12 valves closed Air leak in suction line 1 When unit was last 2 turned off water syphoned out of pump casing Suction head exceeds that 3 for which pump was designed Corrective Action 10 11 Fill pump casing Using a foot valve will extend pump life and facilitate immediate priming Shorten suction lift and or dis charge head Shorten suction line and or ver tical distance from liquid to pump install foot valve and prime 4 Disassemble pump and clean out impeller Repair or replace suction line Match foot valve to piping or install one size larger foot valve Disassemble pump and replace impeller Submerge lower in water Increase outlet pressure by adding more water to tank or increasing back pressure by turning gate valve on dis charge line to partially closed position Increase pipe size to pump inlet size or larger Replace Open Repair or replace suction line Refill reprime pump casing before restarting Shorten suction line and or ver tical distance from liquid to pump install foot valve and prime Operating Instructions and Pa
11. efore attempt ing to service or remove any compo nent 1 If the pump is located in an area sub ject to freezing temperature the pump should be drained when not in operation Also the pump should be Performance Chart flushed after each use 2 Clean the suction line strainer at reg ular intervals 3 If the gas engine is equipped with a spark arrestor screen in the muffler it should be inspected for wear peri odically and replaced when neces sary NOTE For information pertaining to the engine and engine parts consult the Engine Manual or contact the near est authorized service representative or the manufacturer 4 Periodically check nuts and bolts on engine mounting frame and pump Since this is a gas engine pump vibration levels tend to loosen nuts and bolts faster than normal Use Loctite thread sealant on threads or lockwashers if necessary MECHANICAL SEAL REPLACEMENT Refer to Figures 1 2 and 3 IMPORTANT Replace seal seat Ref No 22 and seal head Ref No 23 at the same time to ensure proper mating of mechanical seal components 1 Unthread fasteners Ref No 16 nuts Ref No 25 and remove casing Ref No 15 and casing seal Ref No 7 from adapter Ref No 3 Unthread fasteners Ref Nos 11 and 19 and remove volute Ref No 20 and volute seal Ref No 6 from adapter 2 Unthread impeller fastener Ref No 10 and remove impeller Ref No 9 impeller seal Ref
12. enough to be painful or cause injury 15 Prevent accidental starting by always removing spark plug or by disconnecting and grounding spark plug wire before working on engine or the equipment driven by engine 16 Familiarize yourself with all con trols Learn how to stop an engine quickly in an emergency 17 Keep the equipment and surround ing area clean Remove all oil deposits from equipment and sur rounding area Accumulations of grease and oil may present a fire hazard and can cause engine dam age Cleaning rags and other flam mable waste materials must be stored in approved metal contain ers 18 All visitors should be kept at a safe distance from the working area Keep children away from power equipment Keep work area clean Cluttered areas invite accidents 19 When shutting off a gasoline engine be sure it is completely stopped before leaving the work area Installation IMPORTANT For installations where property damage might result from an inoperative or leaking pump due to power outages discharge line blockage or any other reason a back up system s and or warning system s should be used 1 Locate pump as close to the fluid source as possible making the suc tion line as short and direct as possi ble The unit should be A CAUTION placed where the pumplengine is protected from the weather and extremes of heat cold and humidity Operating Instructions and Parts
13. ion lt 9 Provide a means of pressure relief for pumps whose discharge line can be shut off or obstructed 10 Personal Safety a Wear safety glasses at all times when working with pumps b Wear a face shield and proper apparel when pumping hazardous chemicals c Keep work area clean uncluttered and properly lighted replace all unused tools and equipment d Keep visitors at a safe distance from the work area e Make workshop child proof with padlocks master switches and by removing starter keys 11 Carefully read instruction manuals supplied by engine manufacturer before attempting to assemble operate or service the engine or any part The WARNING statements indicate potentially hazardous con ditions for operator or equipment TAKE NECESSARY STEPS TO PRO TECT PERSONNEL AND EQUIPMENT Gasoline is a highly AWARNING combustible fuel The improper use handling or storage of gasoline can be dangerous Prevent accidents by following these safety rules a Use gasoline only as fuel neveras a cleaning fluid b Use only an approved container to hold or store gasoline Never store gasoline in familiar containers such as milk containers or soda pop bot tles c Store gasoline in a cool location out of reach of children Never store gasoline near heat or an open flame d Add gasoline to a cool engine only Operating Instructions and Parts Manual
14. m opening in the suction strainer pump should discharge liquid within See General Safety Information for proper handling of gasoline Do not run pump dry as permanent damage to the mechanical seal will result 4 Start the engine following instruc Operating Instructions and Parts Manual Models 020598 and 020599 Operation continued one or two minutes A suction lift of 20 feet can take 5 minutes running time to pick up a prime If pumping does not start within this time shut off the engine let unit cool down about 5 minutes refill pump casing and retry If engine does not start refer to Engine Manual If pump does not prime after 2 tries refer to Troubleshooting Chart in this man ual 6 Properly fueled and lubricated the pump engine unit will run automati cally without attention to the con trols The gasoline engine has a built in governor and will adjust the speed of the engine automatically depend ing on the volume of water being delivered Even though this A WARNING unit will operate with minimal supervision it should not be left operating by itself Depending on the application and area unit is oper ating high traffic people in area etc will dictate the necessity of having someone watching over the unit Maintenance To prevent acciden AWARNING tal starting always remove spark plug or disconnect and ground spark plug wire b
15. or shaving it SHIM ADJUSTMENT When installing a replacement impeller or mechanical seal it may be necessary to vary the number of shims Ref No 21 that will be required This is easily done by adding one 0 010 shim more than was removed and reassembling pump as described Ensure that casing is snugly in place and check shaft to make sure it is turn ing freely If it turns freely check to ensure that adapter Ref No 3 and casing Ref No 15 are fitted tight together If they are not tighten fas teners Ref No 16 and recheck shaft for free turning Tighten carefully turn ing shaft while tightening If shaft seizes before fasteners Ref No 16 are completely tight disasseble pump and remove one shim and repeat reassem bly If any time during above operation shaft does not turn free follow proce dure indicated above and repeat proce dure Above procedure ensures that pump will have proper running clearance less than 0 010 between impeller and cas ing and perform like a new unit with new impeller or motor Operating Instructions and Parts Manual 020598 and 020599 Troubleshooting Chart Symptom Little or no discharge and unit will not prime Loss of suction after satisfactory operation Possible Cause s 1 10 11 12 1 Impeller partially or com Casing not filled with 1 water Total head too high 2 Suction head exceeds that 3 for which pump is
16. riming Engine Driven Centrifugal Pumps Unpacking continued Do not operate unit A CAUTION if damaged during shipping handling or use Damage may cause injury or property damage General Safety Information 1 Know the pump application limita tions and potential hazards Read all manuals included with this product carefully Be thoroughly familiar with the pump and the proper use of the equipment Do not use to pump A DANGER flammable or explo z sive fluids such as gasoline fuel amp oil kerosene etc Do not use in flammable andlor explosive atmospheres Pump should only be used with liquids compatible with pump component materials Failure to follow this warning can result in death serious personal injury andlor property dam age 2 Make certain that the power source gas engine conforms to the require ments of your equipment 3 Provide adequate protection and guarding around moving parts 4 Release all pressure within the system before servicing any component 5 Drain all liquids from the system before servicing 6 Secure the discharge line before starting the pump An unsecured dis charge line will whip possibly caus ing personal injury and or property damage 7 Check hoses for weak or worn condi tion before each use making certain that all connections are secure 8 Periodically inspect pump and system components Perform routine main tenance as required See Maintenance sect
17. rts Manual 020598 and 020599 Troubleshooting Chart continued Symptom L CREIR Corrective Action Loss of suction after 4 Insufficient inlet pressure 4 Increase inlet pressure by adding satisfactory operation or suction head more water to tank or increasing continued back pressure by turning gate valve on discharge line to partial ly closed position 5 Clogged foot valve 5 Unclog clean or replace as neces strainer or pump sary Pump overloads driver 1 Total head lower than 1 Increase back pressure on pump gas engine shuts off pump rating Unit deliver by turning gate valve on dis before complete hose ing too much water charge line to partially closed fill position that will not overload motor 2 Specific gravity and vis 2 Pump is designed for water use cosity of liquid being only for liquids which have simi pumped different than lar characteristics the pump rating 3 Speed too high 3 Check and correct lower speed Pump vibrates and or 1 Mounting plate or foun 1 Reinforce makes excessive noise dation not rigid enough 2 Foreign matter in pump 2 Disassemble pump and remove causing unbalance 3 Impeller bent 3 Replace impeller 4 Cavitation present 4 Check suction line for proper size and check valve in suction line if completely open remove any sharp bends before pump and shorten suction line Pump runs but no fluid 1 Faulty suction piping air 1 Replace leak 2 Pump located too far 2 Reloc
Download Pdf Manuals
Related Search