Lutz-Jesco AIRTRAN LI20-FP Series Operation & Maintenance Instructions Manual Download Page 2

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www.lutzjescoamerica.com

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Fax: (585) 426-4025

Operation & Maint

enance Ins

tructions

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AODD: 2” Air Operat

ed Double Diaphragm Pum

Summary of Contents for AIRTRAN LI20-FP Series

Page 1: ...A measured step forward TM AIRTRAN 2 Air Operated Double Diaphragm Pump...

Page 2: ...THIS PAGE INTENTIONALLY LEFT BLANK P h o n e 5 8 5 4 2 6 0 9 9 0 www lutzjescoamerica com Fax 585 426 4025 2 Operation Maintenance Instructions AODD 2 Air Operated Double Diaphragm Pump...

Page 3: ...12 Repair and Assembly 13 Pump Wet End Removal 13 Pump Wet End Assembly 14 Repair and Assembly 15 Air Valve Removal 15 Air Valve Assembly 16 Repair and Assembly 17 Pilot Valve Removal 17 Torque Specif...

Page 4: ...y the materials in contact with the fluid being pumped Consult a chemical resistance guide for chemical compatibility and a more precise safe temperature limit Always use minimum air pressure when pum...

Page 5: ...ler Grounding Lug Installed Note Equipment must be grounded to acheive ATEX rating It is recommended to configure the pump with a grounding lug option for ATEX applications SPECIAL OPTION OTHER 0 Stan...

Page 6: ...e outward to the left Since both the left diaphragm and the right diaphragm are connected via a dia phragm rod when the left diaphragm moves to the left the right diaphragm through the action of the d...

Page 7: ...6 446 31 7 805 13 7 349 12 2 310 1 9 49 7 6 194 6 0 153 4 0 101 14 2 360 16 7 423 0 6 14 8 2 208 9 2 234 Dimensions in inches mm P h o n e 5 8 5 4 2 6 0 9 9 0 www lutzjescoamerica com Fax 585 426 402...

Page 8: ...O Weight Polypropylene 56 lbs 25 kg Weight PVDF 84 lbs 38 kg Air Inlet 3 4 FNPT Liquid Inlet 2 ANSI DIN FLANGE Liquid Outlet 2 ANSI DIN FLANGE Height 31 7 805 mm Width 23 6 600 mm Depth 12 2 310 mm 0...

Page 9: ...ragm failure this will reduce or eliminate the pos sibility of liquid discharging through the exhaust onto the ground Location Ensure that the pump is installed in an accessible location in order to f...

Page 10: ...ustration is a generic representation of an air operated double diaphragm pump P h o n e 5 8 5 4 2 6 0 9 9 0 www lutzjescoamerica com Fax 585 426 4025 10 Operation Maintenance Instructions AODD 2 Air...

Page 11: ...essive Debris stuck in valves Excessive wear of check valves Air leak on suction side with suction lift Pump Cycles with Closed Discharge Valve Debris stuck in check valve Excessive wear of check valv...

Page 12: ...partially closing a liquid suction valve restrict the suction line and may cause damage to the diaphragms Suction strainers may be employed to reduce or eliminate larger solids but routine maintenance...

Page 13: ...ight Hex Head Cap Screws and Lock Washers sixteen Washers and eight Hex Nuts from the Dishcharge Manifold STEP 2 Remove the Discharge Manifold STEP 3 Remove the O Ring Valve Seat and Ball from the Dis...

Page 14: ...ower four bolts are inserted from the center STEP 8 Remove both Outer Chambers and Power Rings from the Intermediate Note the Lock Washers are installed on the Power Rings which should be on the Inter...

Page 15: ...ash ers Flat Washers and Hex Nuts rear STEP 2 Remove the main Air Valve Assembly from the pump STEP 3 Remove the Air Valve Gasket from the main Air Valve Assembly STEP 4 Remove the Shuttle Plate from...

Page 16: ...ly they will be unable to rotate Insert the spool larger chamber side first the spool s longer piston with the boss is to be on the plug side ensure O Ring is installed and then the air valve end plug...

Page 17: ...ure that the air and fluid lines are closed and disconnected While wearing personal protective equipment flush and drain process liquid from the pump WARNING Maintenance must not be performed when a h...

Page 18: ...rdering information Torque Specification Chart RECOMMENDED TORQUE SPECIFICATIONS 2 Pumps Chamber Bolts 20 ft lbs 27 1 N m Air Valve Bolts 40 in lbs 4 52 N m Diaphragm Plates 372 in lbs 42 0 N m Manifo...

Page 19: ...352 351 10 354 361 362 20 30 40 61 62 70 80 90 100 110 120 130 140 150 160 170 180 220 230 240 250 260 270 280 290 300 311 312 320 210 50 372 190 P h o n e 5 8 5 4 2 6 0 9 9 0 www lutzjescoamerica com...

Page 20: ...ypropylene 110 Pilot Sleeve 4 ALL MODELS 11919 16 Urethane 120 END SPACER Pilot Sleeve 2 ALL MODELS 10206 40 Polypropylene 130 O RING End Spacer 2 ALL MODELS 11919 11 Nitrile 140 LIP SEAL Diaphragm Ro...

Page 21: ...HEX 1 2 13 36 ALL MODELS NON PTFE COATED 12604 26 Stainless Steel 371 WASHER LOCK 1 4 6 ALL MODELS NON PTFE COATED 12350 26 Stainless Steel 372 WASHER SPLIT LOCK 1 4 36 ALL MODELS NON PTFE COATED 123...

Page 22: ...r to EPDM Has excellent abrasion resistance Temperature range 40 F to 225 F 40C to 107C FKM is an elastomer with good corrosion resistance to a wide variety of chemicals Similar in chemical resistance...

Page 23: ...THIS PAGE INTENTIONALLY LEFT BLANK P h o n e 5 8 5 4 2 6 0 9 9 0 www lutzjescoamerica com Fax 585 426 4025 23 Operation Maintenance Instructions AODD 2 Air Operated Double Diaphragm Pump...

Page 24: ...complete chemical feed system we provide you with the appro priate Total Fluid Management solution Please contact us for more information Lutz JESCO Corp 55 Bermar Park Rochester NY 14624 Phone 585 42...

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