External Gear Pumps Installation Manual
Contents
1. 3 2 3 1 1 1 1 2 2 2 2 2 1 2 1 1 3 3 3 3 3 2 3 3 1 3 2 2 3 2 1 3 1 1 Documentation Check the product s model code and compare it with your paper work Rated bar max 250 Operating pressure Intermittent bar max 280 Peak bar max 300 HYDAC ia Delivery note and or sales acknowledgement Maximum drive speed rpm max 3500 max 3000 max 3500 max 3000 HYDAC A Ss E 2 910 M 0 02 14 ie E 2 910 M 0 02 14 A co X Operating fluid Hydraulic oils with viscosities of 20 to 200 mm s cSt Recommended oil viscosity 50 to 100 mm s cSt at 40 C A viscosity of up to 385 mm s is possible during start up Different types brands of oil must never be mixed since this can result in loss of lubrication qualities The operating oil must be changed periodically The interval between changes will depend on the operating conditions and must be determined by the operator At oil change the reservoir and the filters must also be cleaned Temperature range 20 C to 80 C Recommended filtration rating 25 um or cleaner Rpm from 750 rpm to the maximum value for the particular pump Direction of rotation Clockwise or anticlockwise when viewed from shaft end note the arrow marked on the front cover Rotation in the wrong direction is not per2. the work which may result in serious accidents e Shut off the power supply to the equipment and make sure that all the electrical motors and machines cannot restart unintentionally e Secure the cylinder rods before installing removing the cylinder Reduce the pressure in the pipes and cylinders in the hydraulic system to zero pressure WARNING 3 Before working on any electrical wiring be sure to shut off the power supply Failure to do this may cause an electric shock CAUTION 4 Keep all installation holes and surfaces clean Failure to do this may cause insufficient tightening of the bolts which may lead to a fire due to oil leakage CAUTION 5 Before commissioning the device make sure that all bolts are tightened with the specified torque Failure to comply with the specifications may cause incorrect operation damage oil leakage etc D amp E 2 910 M 0 02 14 Co HYDAC gt gt gt gt gt gt Bk gt gt E 2 910 M 0 02 14 A co O PRECAUTIONS FOR OPERATION DANGER 1 Never operate any device in an environment where there is danger of explosion or fire unless the device is fully protected This may lead to major and serious accidents including explosion or fire WARNING 2 Do not approach the pumps or motors when in operation Hands or clothes can be caught up and wound into the pumps and motors which can lead to serious injury WARNING 3 In event of abn
3. any alterations are made unexpected machine movement may cause injury CAUTION 2 Do not disassemble the products without prior consent of the manufacturer Failure to adhere to this can cause the products to operate incorrectly which can lead to accidents or damage CAUTION 3 For transportation storage of the product pay attention to environmental conditions such as ambient temperature and humidity and implement anti dust anti corrosion measures CAUTION 4 The seals may need to be replaced if the product is used after long term storage CAUTION 5 Read the manual thoroughly and ensure that the seals are replaced properly RELATED REGULATIONS CAUTION To ensure that this product is used in a safe manner it is essential to observe the above precautions as well as all related regulations regarding safety EXTERNAL GEAR PUMPS Technical specifications Size 0 Geomeiric Operating pressure Maximum displace drive ment Rated Intermittent Peak Speed ccm rev bar bar bar rpm Series PGE100 25 0 25 200 PGE100 30 0 30 210 PGE100 50 0 50 230 3500 170 200 _ PGE100 75 0 75 230 PGE100 100 1 00 210 PGE100 125 1 25 210 3000 PGE100 150 1 50 145 175 200 2500 PGE100 175 1 75 180 130 160 PGE100 200 2 00 170 2000 Size 1 Geometric Operating pressure Maximum displace drive ment Rated Intermittent Peak Spee
4. Gum INTERNATIONAL External Gear Pumps Installation Manual SIZE 0 PGE100 25 PGE100 30 PGE100 50 PGE100 75 PGE100 100 PGE100 125 PGE100 150 PGE100 175 PGE100 200 SIZE 1 PGE101 100 PGE101 125 PGE101 160 PGE101 200 PGE101 250 PGE101 315 PGE101 365 PGE101 420 PGE101 500 PGE101 610 PGE101 740 SIZE 2 PGE102 450 PGE102 630 PGE102 820 PGE102 1000 PGE102 1130 PGE102 1200 PGE102 1400 PGE102 1500 PGE102 1600 PGE102 1730 PGE102 1900 PGE102 2200 PGE102 2500 PGE102 2800 amp E 2 910 M 0 02 14 Y HYDAC E 2 910 M 0 02 14 A 00 HYDAC SIZE 3 PGE103 2000 PGE103 2250 PGE103 2500 PGE103 2800 PGE103 3200 PGE103 3600 PGE103 4200 PGE103 4600 PGE103 5000 PGE103 5500 PGE103 6000 MULTIPLE PUMPS PGE104 Stage 1 Size 1 Size 2 Size 3 Stage 2 Stage 3 To prevent serious accidents equipment damage and other property damage please observe the following precautions as well as all related regulations regarding safety Before using the product make sure you read and understand all the instructions in the Operator s Manual entirely In this catalogue safety precautions are classified under three headings DANGER WARNING and CAUTION These words are defined as follows DANGER Indicates an imminent danger that is very likely to cause death or severe injury unless the situation is avoided WARNING Indicates a potential danger that may cause deat
5. d ccm rev bar bar bar rpm Series PGE101 100 1 PGE101 125 1 25 PGE101 160 1 6 PGE101 200 2 3500 PGE101 250 2 5 250 280 300 PGE101 315 3 15 PGE101 365 3 65 PGE101 420 4 2 PGE101 500 5 3000 PGE101 610 6 1 200 220 230 2500 PGE101 740 7 4 170 190 200 2500 gt Ss E 2 910 M 0 02 14 _ HYDAC E 2 910 M 0 02 14 A co N HYDAC Size 2 Geometric Operating pressure Maximum displace drive ment Rated Intermittent Peak Speed cem rev bar bar bar rpm Series PGE102 450 4 5 PGE102 630 6 3 PGE102 820 8 2 280 300 PGE102 1000 10 3500 PGE102 1100 11 3 250 PGE102 1200 12 PGE102 1400 14 PGE102 1500 15 270 280 PGE102 1600 16 3000 PGE102 1730 17 3 220 250 270 PGE102 1900 19 200 220 230 PGE102 2200 22 180 200 210 PGE102 2500 25 160 180 190 2500 PGE102 2800 28 120 140 150 Size 3 Geometric Operating pressure Maximum displace drive ment Rated Intermittent Peak speed ccm rev bar bar bar rpm Series PGE103 2000 20 PGE103 2250 22 5 3000 PGE103 2500 25 250 270 300 PGE103 2800 28 PGE103 3200 32 3000 PGE103 3600 36 240 260 280 2800 PGE103 4200 42 230 250 270 2500 PGE103 4600 46 210 230 250 2300 PGE103 5000 50 185 200 230 2100 PGE103 5500 55 165 180 200 470 PGE103 6000 60 150 165 180 Multiple pumps Series PGE104 Sizes 1 1 2 2 2 1 3 3
6. h or severe injury unless the situation is avoided CAUTION Indicates a potential danger that may cause a minor or moderate injury or that may result in property damage INFORMATION Indicates useful hints and system tips They are necessary for correct installation and safe use of the product gt gt gt gt gt gt PRECAUTIONS FOR USE CAUTION 1 To avoid possible injury when handling the products wear protective safety equipment in accordance with the instructions in the Operator s Manual CAUTION 2 Failure to support the weight of the product or lifting the product with incorrect posture may result in injury to the hands or back Be sure to follow the instructions in the Operator s Manual CAUTION 3 Do not climb on strike drop or exert unnecessary force on the product This may lead to injury or fire due to incorrect operation damage or oil leakage CAUTION 4 Oil on the product or floor must be cleaned up thoroughly Oil could cause you to drop the product or slip on the floor PRECAUTIONS FOR INSTALLATION REMOVAL AND MAINTENANCE WARNING 1 All installation removal maintenance piping or wiring work should be carried out by properly trained personnel WARNING 2 Before beginning any installation removal maintenance piping or wiring work the following procedures must be carried out Failure to do so may cause the equipment to move suddenly or oil to spill during
7. l is 2 5 m s Reservoir The volume and the design of the tank depend on the operating conditions For the pump the suction and the return lines must be positioned such that the returning oil is not drawn out again immediately i e they must be positioned as far as possible from each other The pipe ends must be cut at an angle of less than 45 and pointing in opposite directions The suction line must be mounted at least 50 mm above the bottom so as to avoid contamination deposited on the bottom In order to avoid foaming all the pipes must be at least 50 mm below the lowest permitted oil level Mounting The pumps must be aligned centrally to the diameter of the mounting flange Ensure the suction and discharge lines are connected correctly and check the direction of rotation note direction of arrow Initial start up First check that the pump is mounted correctly Start and stop jog the pump several times off load to allow the pump to fill with oil This is necessary to ensure bearing lubrication and to bleed all air from the hydraulic system to prevent erratic operation After lines are full the pressure may be increased gradually to the required operating pressure Never exceed the maximum operating pressure for the relevant pump type HYDAC
8. mitted as this will damage the rotary shaft seal Flow direction inlet and outlet Inlet and outlet are marked on the body rear cover Usually the larger opening is the suction port Suction pressure The suction line of the pump must always draw steadily without intake of air The permitted vacuum pressure is 0 2 bar 0 8 bar abs Positive pressure greater than 0 5 bar above atmospheric pressure max atmospheric pressure 1 5 bar absolute is not permitted Drive shaft Radial and axial forces on the shaft are not permitted Drive The pump can be used for direct drive using flexible or other couplings allowing a gap of 0 2 mm in a radial direction The axial tolerance of the driving shaft in relation to the leading shaft of the pump must not exceed 0 1 mm Belt and chain driven applications as well as vibrations and unbalanced drive are not permitted Piping The suction line must be completely sealed as short as possible and of adequate diameter to withstand permitted vacuum pressures and oil speeds of 0 6 up to 1 m s If a filter is fitted to the inlet it must have sufficient capacity so as not to impede suction see Suction Pressure The discharge line must be short and have as few curved sections and joints as possible If there are vibrations between the pump and the motor for example from an internal combustion engine or vibrations in the hydraulic system a rubber hose must be used Permitted speed of the oi
9. ormal operation unusual sounds oil leakage smoke etc immediately stop operation and take appropriate corrective measures WARNING 4 Completely discharge air from the cylinder at low pressure Failure to do so may result in unexpected movement of the cylinder which in turn may cause injury WARNING 5 To adjust the damping gradually increase the cylinder speed from a low speed 50 mm s or less Rapidly accelerating the cylinder may produce an abnormal pressure surge resulting in damage to the cylinder or the machinery and causing a serious accident WARNING 6 Before operating this device for the first time check that hydraulic and electrical circuits are properly connected and that adjoining surfaces are tightly aligned WARNING 7 Do not use the product outside of the specifications described in the catalogue related data sheets drawings etc Failure to adhere to them may cause incorrect operation damage or injury WARNING 8 During operation high temperatures in the hydraulic system or solenoid valves may occur Wear protective equipment on hands and body when in the vicinity of these devices WARNING 9 Always operate the device with clean oil and within established ranges for temperature viscosity and cleanliness Failure to adhere to the specified limits may result in incorrect operation or fire due to oil leakage HYDAC GENERAL PRECAUTIONS WARNING 1 Never modify the device If
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