Pioneer Pump Microsoft-Free PDF

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PIONEER PUMP,TABLE OF CONTENTS,Introduction 4,Purpose and Scope of this Manual 4. Recording Model and Serial Numbers 4,Safety Warnings and Notices 5. Vacuum Assist System 6,Main Components 6,Theory of Operation 7. Disassembly and Assembly 9,Priming Chamber and Posi Valve 18. Theory of Operation 18,Disassembly and Assembly 21.
Discharge Check Valve 24,Theory of Operation 24,Disassembly and Assembly 25. SAE Housing and Coupler 26,SAE Bracket Engine Mount Coupling 26. Disassembly and Assembly 26,Bearing Frame 29,General Information 29. Disassembly and Inspection 29,Reassembly 32,Pump End 35. Theory of Operation 35,Disassembly and Reassembly 36.
Appendix 40,Troubleshooting Guide 47,PIONEER PUMP,INTRODUCTION. Thank you for purchasing a Pioneer Centrifugal Pump We are confident that you will enjoy long and satisfactory service from this product This pump. is designed for handling non volatile non flammable mild industrial corrosives residues and slurries We want you to be safe so please operate the. pump safely and in accordance with the guidelines cautions and warnings written in this manual. When your pump requires maintenance or repair it is always a good idea to insist on only genuine Pioneer Pump repair parts These parts are designed. to give you the best life and performance with your pump When we design the parts we have your safety in mind We wish you safe and productive. pumping with your Pioneer Pump,Purpose and Scope of this Manual. This manual provides information about the disassembly and repair of your Pioneer Pump It is intended to be used by experienced technicians with. the proper tools and workshop equipment and by using the industry accepted best practice for the safe and effective repair of your pump Since one. pump application is different from another this manual cannot possibly cover each and every situation If you have any questions about the procedures. covered in this manual please contact your Pioneer distributor or the nearest Pioneer company branch. Recording Model and Serial Numbers, Your pump s serial number plate is located on the pump back plate or brac plate or on the pump volute. Pump Serial Number Plate, Please record the model and serial number for your Pioneer Pump in the spaces provided below. It will make it easier for you when parts or services are required from Pioneer Pump. Pump Model,Pump Serial Number,Engine Electric Motor Brand and Model.
Engine Electric Motor Serial Number,PIONEER PUMP, WARNING This manual provides installation operation and maintenance instructions for your Pioneer Pump It is intended to make your. personnel aware of any procedure that requires special attention due to potential hazards to personnel or equipment Read all instructions carefully. and remember pump installations are seldom identical Centrifugal Pumps are designed for specific service and may or may not be suited for any. other service without loss of performance or potential damage to equipment or personnel Therefore this manual cannot possibly provide detailed. instructions and precautions for each specific application It is the owner installer s responsibility to ensure that applications not addressed in this. manual are performed only after establishing that neither operator safety nor pump integrity are compromised by the installation If there is ever any. doubt about suitability for a specific purpose contact Pioneer Pump Inc or your Pioneer Pump distributor for assistance. WARNING Before attempting to service or maintain this pump read this manual carefully Operators and maintenance personnel should. have a good understanding of all aspects of this pump and the pumping conditions Failure of operating personnel to be familiar with all aspects of the. pump operation outlined in this manual could contribute to equipment damage bodily injury or possible death. WARNING When you service your Pioneer Pump be sure to only use genuine Pioneer Pump parts These parts are designed to give you the. longest wear life and the performance the pump was designed to achieve We have your safety in mind when we design the parts we use in Pioneer. Pumps If you decide to use other brand parts in your Pioneer Pump operating safety could be compromised and the Pump s warranty will be void. WARNING If this pump is used to handle any hazardous materials that can cause illness either directly or indirectly take precautions by. wearing approved protective clothing and using appropriate safety equipment Also review the section on vacuum pump venting Use lifting and. moving equipment in good repair and with adequate capacity to prevent injuries to personnel or damage to the equipment. WARNING Any lifting equipment is to be rated for at least five 5 times the weight of the item being lifted Use only established methods. when lifting or moving any heavy components Attach lifting equipment to the lifting device fitted to the pump If chains cables or slings are wrapped. around the pump to lift it ensure that they are positioned so the load is balanced and they do not damage the pump The lifting bail on trailer or skid. mounted units is intended for use in lifting the pump package only Any other items placed on the pump package during a lift could cause the lifting. bail to fail and the pump package to fall possibly causing property damage personal injury or death Suction and discharge hoses and piping must be. removed from the pump before lifting, WARNING Do not operate the pump without guards in place over the rotating parts Exposed rotating parts can catch clothing. fingers or tools causing severe injury to personnel. PIONEER PUMP,VACUUM ASSIST SYSTEM, The Pioneer Pump Priming System is designed to allow the pump to prime without using a foot valve and without manually. adding water to the system,Main Components, The main components of the priming system are shown in the following drawing. Priming Chamber Ball Valve,Discharge Check Valve,Priming Pump.
Priming Chamber,Pump Casing,Main Components of the Priming System. The pump starts with the suction pipe in the water and the discharge check valve closed The priming pump begins to evacuate air from the suction. pipe and pump end The resulting vacuum in the suction pipe causes water to rise in the pipe until it floods the pump end Then the pump primes. Carryover water transfer to the priming pump is prevented when a float ball in the priming chamber rises with the water level closing a valve. PIONEER PUMP,VACUUM ASSIST SYSTEM CONT,Theory of Operation. The vacuum pump is a key part of the priming system Its function is to remove air and create a vacuum at the pump suction port while the. centrifugal pump input shaft is rotating, From the diagram the key functional parts of the vacuum pump are 6 1. 1 Pump casing 5,2 Inlet valve 4,3 Actuator piston valve. 4 Actuator seal,5 Actuator piston,6 Exhaust valve,7 Actuator piston rod assembly and crank 3.
Exhaust Valve, As viewed from its drive pulley the vacuum pump rotates in a clockwise. direction in order to evacuate air from the vacuum pump system Actuator Valve. The air flow through the pump is through the inlet nozzle passing the. inlet valve past the actuator piston valve at the center of the piston. through the exhaust valve and out the exhaust nozzle. Inlet Valve,PIONEER PUMP,VACUUM ASSIST SYSTEM CONT. Exhaust Valve,Actuator Valve,Inlet Valve,12 O CLOCK 3 O CLOCK. With the pump drive pulley operating from the 12 o clock position the piston rod and crank force the piston in a downward direction Increasing air. pressure below the piston closes the inlet valve and opens the actuator valve Air is allowed to flow into the upper chamber of the pump casing. above the piston until the drive pulley reaches the 6 o clock position. Exhaust Valve,Actuator Valve,Inlet Valve,6 O CLOCK 9 O CLOCK. From the six o clock position the piston rod and crank force the piston in an upward direction Increasing air pressure above the piston opens the. exhaust valve and forces the actuator valve closed Air is then pushed out of the area above the piston and through the exhaust valve until the. drive pulley again reaches the 12 o clock position. At the same time as the piston is pushed upward a vacuum is created in the lower chamber of the pump casing below the piston. The vacuum pulls the inlet valve open and air flows into the pump past the inlet valve. This cycle repeats itself until the inlet of the pump is closed either by the valves in the priming chamber or by closing the ball valve on top of the. priming chamber In the closed condition no air enters the vacuum pump The inlet valve the piston valve and the exhaust valve all remain closed. Without air entering the pump minimal vacuum is created below the piston on its upstroke so the inlet valve remains closed Air flow is stopped. through the pump The pump can idle in this manner indefinitely or until a demand is made on it to again evacuate the system. PIONEER PUMP,VACUUM ASSIST SYSTEM CONT,Pioneer Prime Only.
The vacuum pump is either top mounted or side mounted on Pioneer Prime PP series pumps The pump can be serviced in either configuration. whether mounted to the centrifugal pump or removed. Removing the Vacuum Pump Drive System, The vacuum pump drive system consists of a drive pulley on the main pump drive shaft a rubber drive belt and a drive pulley attached. to the vacuum pump drive shaft, If the vacuum pump is top mounted remove the retaining cap screws and remove the adjusting shims to release drive belt tension. If the vacuum pump is side mounted loosen the drive belt adjuster to release drive belt tension. To remove the pulley on the centrifugal pump drive shaft first remove the centrifugal pump from the driver then remove the drive coupling. The drive removal procedure is covered in the SAE Housing and Coupler section of this manual. With the drive coupling removed the vacuum pump drive pulley can be accessed. 1 Before removing the pulley measure and record the distance between the face of the pulley to the end of the shaft. This measurement will be required to position the pulley when reinstalling it. 2 Remove two set screws in the pulley root,3 Remove 1 2 bolt from the two piece wedged key. 4 Use a 3 8 threaded bolt to drive the two parts of the two piece wedged key apart. 5 Once the key is apart one half of the key can be removed and the pulley can be removed from the shaft. Once the pulley is removed the remaining part of the key can be removed from the shaft. PIONEER PUMP,VACUUM ASSIST SYSTEM CONT,Disassembly. Vacuum pump disassembly is done in two sections The first part is the upper section followed by the lower section. Vacuum Pump Upper Section,Exhaust Valve Disassembly.
To remove the exhaust valve remove the cap screws securing the exhaust nozzle to the upper housing and lift the housing off The exhaust valve. is now exposed It is not necessary to remove the valve stud when removing the exhaust valve simply pull the exhaust valve off over the head. of the valve stud,Inlet Valve Disassembly, To remove the inlet valve remove the cap screws securing the inlet nozzle to the lower housing The inlet valve is now exposed. It is not necessary to remove the valve stud when replacing the inlet valve simply pull the inlet valve off over the head of the valve stud. Actuator Valve and Actuator Seal Disassembly, To check or replace the actuator seal actuator valve or neck seal remove the upper housing bolts nuts and washers and lift the upper housing off. The actuator valve is now exposed To remove the actuator valve remove the cotter pin and castle nut at the center of the valve The actuator valve. can now be removed by simply pulling it off over the head of the valve stud. To remove the actuator seal remove the cotter pin and castle nut securing the actuator to the actuator shaft Rotate the crankshaft so the actuator. moves to top dead center position Work the actuator seal out of the groove in the lower housing The actuator has two threaded holes on the top. to enable attachment of a puller for removal of the actuator The threads in the actuator are 3 8 16 UNC If a suitable puller cannot be found Pioneer. Pump Inc can supply a puller or puller drawing on request The actuator seal will be normally be replaced once it has been removed The easiest way. to remove the actuator seal is to clamp the actuator in a vice cut the actuator seal with a utility knife and pull the actuator seal out of the groove. PIONEER PUMP,VACUUM ASSIST SYSTEM CONT,Vacuum Pump Lower Section. Lower Housing and Neck Seal Disassembly, 1 With the actuator removed remove the nuts and washers from the studs securing the lower housing to the pedestal. Apply a lubricant such as petroleum jelly to the exposed portion of the actuator shaft. 2 Lift the lower housing off the pedestal The neck seal will remain with the lower housing. 3 Remove the neck seal from the counterbore in the bottom of the lower housing. 4 To further disassemble remove the cap screws securing the pedestal to the crankcase and lift the pedestal off over the actuator shaft. Take care to support the actuator shaft so that it doesn t become marred or damaged by contact with the crankcase. 5 Rotate the crankshaft to bring the actuator shaft to its top dead center position. 6 Remove one of the retaining rings at one end of the fulcrum pin Remove the fulcrum pin the connecting rod small end bearings and the. 5 PIONEER PUMP WARNING This manual provides installation operation and maintenance instructions for your Pioneer Pump It is intended to make your personnel aware of any procedure that requires special attention due to potential hazards to personnel or equipment

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