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Series G Model “B” Pump

Instruction Manual

GB.MR.ENG.339-0049-000.04/2020

Содержание GB Series

Страница 1: ...Series G Model B Pump Instruction Manual GB MR ENG 339 0049 000 04 2020 ...

Страница 2: ...ECTION 4 MAINTENANCE 11 SPARE PARTS 11 SHIPPING PUMPS FOR REPAIR 11 PREVENTATIVE MAINTENANCE 11 CORRECTIVE MAINTENANCE 12 SECTION 5 TROUBLESHOOTING GUIDE 19 SYMPTOMS REMEDIES 19 SECTION 6 PARTS 21 PARTS LIST FOR GB DRIVE ASSEMBLY 23 PARTS LIST FOR GB DRIVE ASSEMBLY CONTINUED 24 PARTS LIST FOR GB0080 GB0450 LIQUID END 29 PARTS LIST FOR GB0500 GB1200 LIQUID END 30 PARTS LIST FOR GB1500 LIQUID END 32...

Страница 3: ...ure 6 6 GB0500 GB0600 High Viscosity Check Valve Parts 25 Figure 6 7 GB0700 GB1200 Plastic Check Valve Parts 26 Figure 6 8 GB0700 GB1200 High Viscosity Check Valve Parts 26 Figure 6 9 GB1500 Plastic Check Valve Parts 26 Figure 6 10 GB1500 High Viscosity Check Valve Parts 26 Figure 6 11 GB1800 Plastic Check Valve Parts 27 Figure 6 12 GB0080 GB0450 Stainless steel liquid End 28 Figure 6 13 GB0500 GB...

Страница 4: ...e connecting rod assembly As the diaphragm starts back on the suction stroke the pressure immediately drops inside the liquid end When the liquid end pressure drops below the suction line pressure the suction ball check is pushed upward and the process fluid in the suction line flows into the liquid end chamber When the suction stroke ends the diaphragm movement momentarily stops The pressure in t...

Страница 5: ...on Lift 2 5 meters of water column maximum PRODUCT CODE Series G pumps are available in a variety of different configurations For a breakdown of the options included in a specific pump compare the pump model number and product code found on the pump nameplate with the model product code breakdown A sample nameplate is shown in Figure 1 1 Model Code Order No Serial No Operating Flow L H Operating P...

Страница 6: ...e long term storage procedure Long Term Storage Longer than 6 Months Primary Considerations The primary consideration in storage of pump equipment is to prevent corrosion of external and internal components This corrosion is caused by natural circulation of air as temperature of the surroundings change from day to night day to day and from season to season It is not practical to prevent this circu...

Страница 7: ...CAUTION To avoid possible damage to either pump or personnel bolt pump down as soon as it is in position MOUNTING Support the pump firmly in a level position on a solid vibration free foundation preferably with the base above floor level to protect the pump from wash downs and to provide easier access for service Be sure to allow enough space around the pump for easy access during maintenance oper...

Страница 8: ...excessive stresses or vibration is unavoidable flexible connections are recommended Use piping materials that will resist corrosion by the liquid being pumped Use care in selecting materials to avoid galvanic corrosion at pump liquid end connections Use piping heavy enough to withstand maximum pressures Remove burrs sharp edges and debris from inside piping Blow out all pipe lines before making fi...

Страница 9: ...ly to prevent blockage which could lead to cavitation Keep suction piping as short and straight as possible Piping size should be larger than the liquid end suction fitting to prevent pump starvation If long suction lines are unavoidable install a stand pipe near the pump in the suction line Suction piping must be absolutely airtight to ensure accurate pumping After installation test suction pipin...

Страница 10: ...or process equipment install a Milton Roy Safety Valve in the pump discharge line This valve is designed and sized to handle system flow rates and pressures safely while resisting corrosion by the process liquid Install the safety valve in the discharge line between the pump and the nearest shut off valve This will prevent pump damage from accidental valve closure Pipe the safety valve outlet back...

Страница 11: ...at the electrical supply matches the pump motor nameplate characteristics Before operating the pump check the direction of rotation of the motor to be sure it matches the direction of the arrow stamped on the motor rotation should be clockwise when viewed from the top of the motor If motor rotation is incorrect refer to the motor data plate or motor manufacturer s instructions for reversing CAUTIO...

Страница 12: ...ustment scale is marked in percent of full stroke with calibration lines on the knob at 1 intervals After adjusting the knob to the desired capacity setting hand tighten the stroke locking screw to maintain the capacity setting Filling Pumping system It is especially important that pump suction and discharge lines be free of entrained air To ensure this condition operate the pump without any disch...

Страница 13: ...se it eliminates operator contact with the liquid Milton Roy test tube Calibration Columns are available for convenient and accurate calibration of any pump The pump can also be calibrated by collecting and measuring pumped liquid at the pump discharge port It may be necessary to create discharge head at the liquid take off point so that the pump will operate properly See Section 2 for recommended...

Страница 14: ...ude serious injury to repair personnel from hazardous residue in pump liquid end A Materials Safety Data Sheet must accompany all returns All inquiries or parts orders should be addressed to your local Milton Roy representative or distributor PREVENTIVE MAINTENANCE Milton Roy pumps are carefully designed manufactured assembled and quality tested to give reliable service with minimal maintenance Ho...

Страница 15: ...ective equipment must be provided Check that there is no pressure before proceeding with dismantling Cleaning Fouled Check Valves Check valve assemblies are designed to be self cleaning and should seldom need servicing Fouled check valves can usually be cleaned by pumping a solution of mild detergent and warm water if compatible with liquid being pumped for 15 minutes followed by flushing with wat...

Страница 16: ...0 1500 Liquid End Plastic Check Valves Reassembly Liquid End Plastic Check Valves Reassembly Refer to Figure 6 3 6 10 1 Fit new o rings into position on the ball guide and seat NOTE To assure a tight leak free seal new o rings should be used each time the check valves are disassembled 2 Drop the ball into the curved inner chamber end of the ball guide 3 Sit the ball guide on a flat surface so that...

Страница 17: ... free seal new o rings should be used each time the check valves are disassembled CAUTION The order of assembly of the suction and discharge check valves is different Refer to Figure 6 4 for proper assembly order If check valve cartridges are installed incorrectly one of the following will occur a immediate severe damage to pump mechanism b no pumping c reverse pumping action from discharge line i...

Страница 18: ...g a gasket between the two metal surfaces Seat and pump head 5 Slide the valve clamp 437 over the connection 435 and screw into the liquid end using the three screws 441 442 and their split washers 439 Since one screw 441 is shorter than the others be sure that it is screwed into the appropriate hole GB GB1800 1800 Liquid End Plastic Check Valves Liquid End Plastic Check Valves Disassembly Disasse...

Страница 19: ...ball guide 5 Screw the valve assembly into the liquid end body hand tight only DO NOT OVER TIGHTEN DO NOT OVER TIGHTEN GB GB1800 1800 Liquid End Stainless Steel Check Valves Disassembly Liquid End Stainless Steel Check Valves Disassembly Refer to Figure 6 16 1 Unscrew the three screws 441 and remove them and their three washers 439 2 Remove the connection 445 3 The seat 420 plate 422 and valve gui...

Страница 20: ...ee of corrosion and clean The angled surface must be smooth to protect the diaphragm from damage If the support nut does not meet these requirements replace it Reassembly Only those units with a hex head diaphragm cap design 1 Mount the hex cap 240 in a vise do not over tighten and with surfaces cleaned place a new diaphragm 260 onto the cap as shown if figure 6 2 contour toward the support nut 2 ...

Страница 21: ...rrespond to the four Diaphragm Replacement Disassembly steps Refer to Figures 6 1 6 2 1 Install a new oil seal 70 onto the connecting rod 2 Slide small oil seal clamp 210 onto the end of the connecting rod and secure in place with the retaining ring 220 A drive socket large enough to fit over the end of the connecting rod should be used to push the retaining ring until it snaps into place in the r...

Страница 22: ...y Incorrect capacity adjustment Readjust capacity setting Incorrect pump speed Match line voltage and frequency to pump motor data plate Starved suction Increase piping size or suction head Leaky suction piping Repair piping High suction lift Rearrange equipment to decrease lift Liquid near boiling Cool liquid or increase suction head Leaky safety valve in discharge line Repair or replace safety v...

Страница 23: ... knob Readjust capacity setting Insufficient discharge pressure Correct condition e g install a back pressure valve Gear noise Excessive backlash Consult service facility Worn bearings Consult service facility Wrong or insufficient lubricant Replace or replenish lubricant Loud knock with each stroke Excessive gear set wear Consult service facility Worn bearings Consult service facility Noisy opera...

Страница 24: ...SECTION 6 PARTS Figure Figure 6 6 1 1 Series GB Basic Parts Side View Series GB Basic Parts Side View 21 ...

Страница 25: ...Figure Figure 6 6 2 2 Series GB Basic Parts Top View Series GB Basic Parts Top View 22 ...

Страница 26: ... Seal Side Cover Stroke Adjustment Screw Bearing Retainer Washer Socket Head Screw M4 8 Stroke Scale O ring Side Cover Side Cover Hex Head Screw M8 16 GB Oil Seal Clamp inner Aluminum Truarc Retaining Ring Ball 5 16 Stroke Lock Knob O ring 9 5 1 8 Stroke Adjustment Knob Pan Head Screw M5x12 4 8 Logo Decal Material Material NBR HT 300 HT 300 HT 300 HT 300 HT 300 HT 300 QT450 10 Rubber LY12 40Cr 40C...

Страница 27: ...8 1 IEC 80 Worm Assembly 8 1 NEMA 56C Worm Assembly 7 1 IEC 71 Worm Assembly 7 1 IEC 80 Worm Assembly 7 1 NEMA 56C Vent w Dip Stick Direction Decal Motor Adapter IEC 80 Bolts M 8 25 IEC 71 Washer IEC 71 Motor 550W 220 380V 50Hz 3phase IEC 71 B5 1440rpm TEFC IP55 F Motor 1hp 220 380V 50Hz 3phase NEMA 56C 1450rpm TEFC NEMA 3 F Ex proof Motor 550W 220 380V 50Hz 3Phase dllBT4 IEC 80 B5 1440rpm TEFC IP...

Страница 28: ...6 GB0500 GB0600 High Viscosity Check Valve Parts Figure 6 5 GB0500 GB0600 Plastic Check Valve Parts Discharge Suction Figure 6 4 GB0080 GB0450 High Viscosity Check Valve Parts Discharge Suction Discharge Suction Figure 6 3 GB0080 GB0450 Plastic Check Valve Parts 25 ...

Страница 29: ...gh Viscosity Check Valve Parts Discharge Suction Figure 6 9 GB1500 Plastic Check Valve Parts Discharge Suction Figure 6 8 GB0700 GB1200 High Viscosity Check Valve Parts Discharge Suction Figure 6 7 GB0700 GB1200 Plastic Check Valve Parts 26 ...

Страница 30: ...Figure 6 11 GB1800 Plastic Check Valve Parts Discharge Suction 27 ...

Страница 31: ...Figure Figure 6 6 12 12 GB GB0080 0080 GB GB0450 0450 Stainless steel liquid End Stainless steel liquid End 28 ...

Страница 32: ...alve Assembly High Viscosity Discharge Check Valve Assembly High Viscosity Diaphragm Cap PVC LE Diaphragm Cap PVDF LE Diaphragm Cap 316 SS LE Support Nut Diaphragm D82 Screw M10 45 Diaphragm Support Ring Head PVC LE Head PVDF LE Head Metallic LE Head 316 SS LE Plug 1 16 NPT Socket Head Cap Screw M8 50 316SS LE Bolts subassembly M8 90 included bolts and washer PVC PVDF LE Washer 8 316SS LE Washer 8...

Страница 33: ...Figure Figure 6 6 13 13 GB GB0500 0500 GB GB0600 0600 Stainless steel liquid End Stainless steel liquid End 30 ...

Страница 34: ...Figure Figure 6 6 14 14 GB GB0700 0700 GB GB1200 1200 Stainless Liquid End Stainless Liquid End 31 ...

Страница 35: ...High Viscosity Discharge Check Valve Assembly High Viscosity Diaphragm Cap PVC LE Diaphragm Cap PVDF LE Diaphragm Cap 316SS LE Support Nut Diaphragm Screw M10 45 Diaphragm Support Ring Head PVC LE Head PVDF LE Head Metallic LE Head 316 SS LE Bolts M8 x110 PVC PVDF LE Bolts M12x130 316SS LE only Washer M8 Washer M8 Nut 1 PVC PVDF LE Connection 1 NPT 316 SS LE Valve Clamp 316SS LE Washer M10 Washer ...

Страница 36: ...nd 1 NPT PVC LE Discharge only Union End 1 1 2 NPT PVDF LE Suction only Union End 1 NPT PVDF LE Discharge only Connector 1 1 2 NPT 316SS LE Suction only Material Material PVC PVDF 316 SS 304SS Gylon A2 70 Aluminum PP PVC PVDF 316 SS 316 SS A2 70 A2 70 A350 A2 A2 70 PVC PVC 316 SS Steel A2 A2 A2 70 A2 70 PVC PVC PVDF PVDF 316SS Part Number Part Number H60944 H60926 H60954 H60927 H60928 H60956 H6096...

Страница 37: ...Figure Figure 6 6 15 15 GB GB1500 1500 316 316SS Liquid End SS Liquid End 34 ...

Страница 38: ...nd PVC Discharge Union End PVDF Discharge Connection 316SS GB1500 Union End PVC Suction Union End PVDF Suction Washer M10 Washer 10 Screw GB70 85 M10X60 A2 70 Material Material PVC PVC PVDF PVDF 316SS PVC PVDF 316SS 304SS Gylon A2 70 Aluminum PP PVC PVDF 316SS A2 70 A2 70 A350 18 8SS A2 70 PVC PVC PVDF 316SS PVC PVDF A2 A2 70 Part Number Part Number H60944 H60945 H60954 H60955 H60928 H60956 H60957...

Страница 39: ...Figure Figure 6 6 16 16 GB GB1800 1800 316 316SS Liquid End SS Liquid End 36 ...

Страница 40: ...nly HEX HD SCR M12 X 130 PVC PVDF LE only Flat Washer Spring Lock washer 12mm Hex Nut M12 NUT PVC GB1500 Union End Union End Connection 316SS GB1500 Washer M10 Washer 10 Screw GB70 85 M10X60 Material Material PVC PVC PVDF PVDF 316SS PVC PVDF 316SS 304SS Gylon A2 70 Aluminum Aluminum PP PVC PVDF 316SS A2 70 A2 70 A350 18 8SS A2 70 PVC PVC PVDF 316SS A2 A2 70 Part Number Part Number H60947 H60963 H6...

Страница 41: ...Figure Figure 6 6 17 17 Double Diaphragm Standard All Liquid End Sizes Double Diaphragm Standard All Liquid End Sizes Check Valve Refer to figure 6 3 6 16 38 ...

Страница 42: ...Figure Figure 6 6 18 18 Leak Detection Switch and Gauge Standard All Liquid End Sizes Leak Detection Switch and Gauge Standard All Liquid End Sizes 39 ...

Страница 43: ...or spacer 262 leak detector intermediate ring 263 mole elbow 266 diaphragm support nut 270 Description Description Double Diaphragm Assy GB0080 GB0450 PVC LE Double Diaphragm Assy GB0080 GB0450 PVDF LE Double Diaphragm Assy GB0080 GB0450 316SS LE Double Diaphragm Assy GB0500 GB0600 PVC LE Double Diaphragm Assy GB0500 GB0600 PVDF LE Double Diaphragm Assy GB0500 GB0600 316SS LE Double Diaphragm Assy...

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