In most applications gearbox reliability is critical to the produc. Oct 06, 2016 assembly and details machine drawing pdf 1. Remove the bolts and washers holding the pump together. The list of pump failure conditions mentioned above is neither exhaustive nor are the conditions mutually exclusive. Allen wrench or bit socket remover to remove the charge pressure relief valve spring retainer from the pump adaptor assembly see figure 4.
Mount the pump cover assembly in a padded vice to support it during removal of the pressure regulator assembly. Make sure to keep hands and feet and other parts of your body clear of revolving or moving parts. Serious injury can result without proper protective gear. First see the drawing given below and see the parts listed there. Do not run the pump at abnormally high or low flow rates operating at a flow rate higher than normal or at a flow rate with no back pressure on the pump may overload the motor and cause cavitation. Best practices for gearbox assembly and disassembly. Oil is picked up by each tooth and carried around the. The pump is so named because it has two gears that are sidebyside or externalto each other. Rev 15 for any question please contact the responsible of the aftersales service in our offices. Product brands of distinction acec centrifugal pumps. Engineered to reliably pump viscous fluids over a broad range of flows and pressures. A selected program of single and multiple pumps is available within 10 working days.
Pump manual eccentric screw pumps 3 general installation, operation and maintenance instructions aftersales service technical service customer. Winsmith gearing products are extensively used in medical and health applications. Funk modular pump drives 4 additional steps required for determining the proper pump drive configuration. No other pump company in the world has the depth or breadth. Introduction sauerdanfoss high performance gear pumps are fixed displacement pumps which consist of the pump housing, drive gear, driven gear, du bushings, rear cover and front flange, shaft seal and inner outer seals, as shown in the section drawing on page 6. Gear pumps are positive displacement pumps, meaning they use expanding and contracting chambers to move fluids at a fixed rate. Gear pump working, construction, maintenance marinersgalaxy.
Remove the rear cover by pulling upward in an axial direction. General installation, operation and maintenance instructions. Lift the body and gear bearing assembly including the body, drive gear, idler gear, two wear. This nomenclature differentiates it from an internalgear pump, which has one gear. A drive gear that is driven by a motor rotates an idler gear in the opposite direction. P3031, p50 tm 51, p7576 tm series single and multiple.
A liptype, shaft seal is provided at the drive shaft to. Use 10a figure 10a10 as a guide for the removal of the pressure regulator assembly 211,212,2,214,215,216,217 from its bore in the pump cover. Fluid shall be carried between gear teeth and shall be displaced when the gear teeth mesh. Best product line one call gives you access to a complete line of pumps, motors, flow dividers, intensifiers, or replacement parts. May 21, 2017 exploded and collapse animation of the rotarty geared pump.
Specifically, they are rotary positive displacement pumps, which utilize a rotating mechanism or assembly to cause this contraction and expansion. In general, the highest head the centrifugal pump can develop is at the point where there is no flow through the pump. Disassembly and assembly requires expertise and knowledge of the procedures, therefore the work must be carried out. E n g i n e e r i n g gear pump basics the external gear pump is a positive displacement pd type of pump generally used for the transfer and metering of liquids.
Power gear hydraulic leveling system lippert customer support. Our gear pumps are manufactured to provide optimal efficiency whether youre engaged in extrusion, compounding or polymerization. This revolutionary design features agma class 10 gearing and is precision manufactured for lower operating temperatures and increased life. Parts book p20p5051 p7576 p315 gear pumps and motors distributor program.
This shaft extends outside the pump to permit coupling to an external prime mover. Wear the correct protective gear, safety glasses, gloves, and safety shoes. Integral gear sets include the shaft, driven gear and idler gear as one unit. As you can see that, gear pump consists of the two gears, one is the driver and another is the drivein. Series single and multiple pumps and motors pressure to 3000 psi175 bar output to 120 gpm 454 lpm motors up to 5 hp tm tm.
Understand the purpose, principle of operation and field of application of the given machine. Keys with interference fits do not shift and alter the balance. One rotor of internally cut gear teeth will mesh with one externally cut gear. Ga series gear pumps have long been workhorses in highly viscous applications within a multitude of industries due to their dependability, efficiency and low total life cycle costs. The driver gets the drive from external means like through main engine or electric motor. To correct the horizontal gear position, increase the horizontal spacer thickness by the. The gear pump is a precision machine with extremely tight fits and tolerances, and is capable of working against high differential pressures. The original design is from a book for mechanical design. Select type standard pump pump with out board bearing tandem pump motor comes standard with ob bearing 4.
For years, engineers just like you have relied on zenith to provide precision fl uid handling solutions for the most diffi cult pumping applications. Keep all connections air tight and keep the packing in the pump shaft in good condition to reduce the possibility of pulling air. Physical space limitations special bore or finish information and type of fit. Select the product category and document type to find the documents you need. Hydraulic gear pump and motor failure analysis and repair. Reduction gear coupling casing and crankcase crankshaft connecting rod spacer rod plunger packing check valves bearings for crankshaft and connecting rod following figures show cross sectional drawing for typical of reciprocating pumps. Parts list and sectional drawing 1 instructions for pump assembly and disassembly 2 general arrangement drawing mech.
This is an old draft of some th400 oil pump technical. As the capacity increases, the total head which the pump is capable of developing decreases. Misalignment longcoupled pump align pump and motor. Gear assemblies consist of one drive gear, shrinkfitted on a precisionground and polished drive.
Select type standard pump pump with out board bearing. It is a hydraulic machine which converts mechanical energy into hydraulic energy. Base not rigid enough tighten holddown bolts on pump and motor or adjust stilts. Gear x x x x x x x x x x x x x x x x x x x x screw x x x x x x x x x x x x x x x x x x x multiphase x x. Winsmith and perfection gear products are built to meet the demanding conditions and. Series 26 model 26000 single gear pumps pump parts drawing righthand cw pump rotation shown. Engineered to reliably pump viscous fluids over a broad range of flows and pressures, the ga series superior between bearings, external gear. External gear pumps are costeffective displacement pumps. Become familiar with the construction, principle of. Gear pump division youngstown, oh start assembly here 15 with the mounting face down, remove the double lip seal by inserting the special seal removal tool see tool list pg. Determine the number of pump pads required by making a selection from the models available within the pump drive series.
Oilgear pvv200250 and 540 b1 and b2 series open loop pump purpose of instructions these instructions will simplify the installation, operation, maintenance and troubleshooting of oilgear type pvv pumps. Each section of a multiple pump or motor should be. The standard materials of construction are 316l stainless steel for all wetted parts, all stainlesssteel exterior, and epdm for all productwetted elastomers. Parts book p20p5051 p7576 p315 gear pumps and motors. Hydraulic pump motor diagnosis and replacement for steel and plastic tanks. Hydraulic gear pump and motor failure analysis and repair guide. The zenith 9000 series metering gear pump is the industry standard for true precision metering for challenging applications in a wide variety of industrial processes. Parts list and sectional drawing 1 instructions for pump assembly and disassembly 2. Excessive noise and vibration suction andor discharge piping not anchored or properly supported anchor per hydraulic institute standards. Low flow rates may cause a reduction in pump bearing life, overheating of the pump, instability and cavitation vibration. Refer to appendix a for disassembly and inspection of charge pump adapter assembly. Pharmaceutical and sanitary applications demand the benefits of our stainless steel speed reducers. Optimum conditions would be to pump 90 to 95 through 112 or larger pipe with few or no right angles and as short as possible. The second gear, being the driven gear, is also shrinkfitted on a preci sionground and polished driven shaft.
This action forces the fluid out of the gear teeth and through the outlet port located in the front plate. External gear pump internal gear pump gerotor pump lobe pump. The working principle of the external gear pump is illustrated in figure 1. Start end of shaft in bracket bushing turning from right to left, slowly pushing rotor in casing. Coat idler pin with light oil and place idler and bushing on idler pin in head. The cover can be tapped lightly with a soft blow hammer to aide in removal. Our products provide high precision, reduced backlash, low noise performance. The pressure developed is determined by the pump size, the gear clearances, pump speed, fluid viscosity and impedance to flow. Assembly and details machine drawing pdf slideshare.
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