Pulsafeeder PULSA GLM7 Installation, Operation, & Maintenance Instruction Download Page 8 | Manualshive

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For long suction lines, and also for pumps that have a high stroking rate, the
largest possible suction line diameter should be used to provide best suction
conditions. In some cases, the proper line size may exceed the suction connection
size on the pump. Consult your local Pulsafeeder Representative for assistance
and further information on proper suction system design.

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Summary of Contents for PULSA GLM7

Page 1: ...Installation Operation Maintenance Instruction Models GLM7 Bulletin IOM GLM DM7 008 PULSA GLM MECHANICAL DIAPHRAGM METERING PUMP...

Page 2: ...on any replacement electronic parts Any modifications or out of warranty repairs will be subject to bench fees and costs associated with replacement parts Safety Considerations 1 Read and understand...

Page 3: ...nd Maintenance 10 6 4 Priming the Reagent Head 11 6 5 Calibration 13 7 MAINTENANCE 14 7 1 Diaphragm Removal Reinstallation 16 7 2 Diaphragm Shaft Seal 18 7 3 Check Valves 19 7 4 Check Valve Removal Re...

Page 4: ...nce due to various liquid ends and accessories however the basic principles of operation remain the same 2 Principles of Operation Figure 1 reagent head operation A diaphragm reciprocates at a preset...

Page 5: ...mplitude of the stroke length As the stroke adjustment knob is turned towards 100 it displaces the cam eccentrically to the rotating drive shaft This in turn causes the pushrod and diaphragm to travel...

Page 6: ...t cover items that are subject to deterioration with age such as seals gaskets and diaphragms If the pump has been in storage longer than 12 months it is recommended that these items be inspected and...

Page 7: ...t be supported by valve housings or other portions of the reagent head as the resulting stresses can cause leaks If appropriate provide for thermal expansion and contraction so that no excess force or...

Page 8: ...t possible suction line diameter should be used to provide best suction conditions In some cases the proper line size may exceed the suction connection size on the pump Consult your local Pulsafeeder...

Page 9: ...by the pump This results in a reduction in accuracy and loss of control over the metering process To prevent this flow through condition the discharge pressure must exceed suction pressure by at least...

Page 10: ...put 1 Turn the red lock screw counterclockwise to release the stroke lock Making adjustments without releasing the lock may damage the mechanism Figure 4 stroke adjustment knob and scale 2 Adjust the...

Page 11: ...il 2 500 ml 2 6 Qt Pulsafeeder Part No Description Container Size GL980002 000 GLM Gear Oil 5L 6 3 2 Gearbox Oil Fill Fill the gearbox with oil by removing the threaded oil fill cap on the top of the...

Page 12: ...ox Oil Fill 7 Replace the fill plug and double check that the drain plug is secure 6 4 Priming the Reagent Head 1 When handling process liquids follow all applicable personal and facility safety guide...

Page 13: ...the suction line so that liquid can be maintained above the reservoir level Remove the suction valve assembly fill the line replace the suction valve then remove the discharge valve assembly and fill...

Page 14: ...g rate of the pump With increasing discharge pressure there is a corresponding decrease in output flow Pumps are rated for a certain flow at a rated pressure check nameplate Whenever possible calibrat...

Page 15: ...on such records will minimize operational problems It is not possible to forecast the lives of wetted parts such as diaphragms and check valves Since corrosion rates and operational conditions affect...

Page 16: ...is sufficient to deform the diaphragm can eventually cause failure Failure can also occur as a result of system over pressure or chemical attack Periodic diaphragm inspection and replacement are recom...

Page 17: ...quid leakage 5 Note the orientation of the existing check valve components Loosen the union nuts holding the check valves and piping to the reagent head Remove the check valve assemblies drain and rin...

Page 18: ...to rotate the motor coupling or the diaphragm to access the hole Figure 10 securing pushrod 9 Remove the diaphragm by turning it counter clockwise 10 Inspect the diaphragm The diaphragm must be repla...

Page 19: ...the pump following the procedure outlined in Section 6 3 7 2 Diaphragm Shaft Seal While the diaphragm is removed inspect the shaft seal located in the pump head If there is evidence of damage or wear...

Page 20: ...the ball down sealing it against the sharp edge of the seat The guide permits the ball to rotate but restricts vertical and lateral movement in order to minimize slip or reverse flow Ball rotation pr...

Page 21: ...alve assemblies onto the pump taking care to ensure they are oriented correctly with the balls above the seats and the seats oriented with the o ring seat facing up and the chamfered edgedown The chec...

Page 22: ...a unit Note carefully the position of the component parts to assist in re assembly 9 Disassemble both valves and check components for wear or damage The seatsshould have a sharp edge and be free from...

Page 23: ...22 Figure 14 Check valves metal construction...

Page 24: ...mp 4 Apply an anti seize paste or lubricant to all bolts setscrews and keys before reassembling 5 Reinstall the motor in the reverse from removal 6 Insert and tighten the four bolts removed in step 3...

Page 25: ...a Pulsafeeder representative A list of the GLM KOPkit numbers can also be found on the next page The kit is identified by the model number of the pump the wetted end material and the process connecti...

Page 26: ...osition Sample Specifies Options 1 4 DM Size Flow DM GLM 5 Y Motor Frame and Size 3 3PH 220 380V and 460V MOTOR IEC Frame TEFC 50 60 Hz Y NO MOTOR IEC frame IEC71 for DMC1 6 IEC90 standard for DM7 6 P...

Page 27: ...rime lost Re prime check for leak Strainer clogged Remove and clean Replace screen if necessary Stroke adjustment set at zero Increase stroke length setting Low delivery Motor speed too low Check volt...

Page 28: ...e setting Vack pressure valve leaks Repair clean or replace Noisy gearing knocking Discharge pressure too high Reduce pressure Water hammer Install pulsation dampener Low oil level Examine sight glass...

Page 29: ...ctive components such as a valve should be installed between the pump discharge and the PRV Diaphragm Backpressure Valve A diaphragm backpressure valve creates constant back pressure A PTFE or PTFE fa...

Page 30: ...29 12 Dimensional Draw ings...

Page 31: ...30...

Page 32: ...31 13 Parts Diagrams and Parts Lists...

Page 33: ...g 1 NP400057 000 12 1 Diaphragm Sub Assembly PVD 1 NP170041 000 55 Side Cover Shim NP470061 12 2 Diaphragm Sub Assembly FPP 1 NP170041 FPP 13 Deflection Plate 1 NP140082 STL Side Cover Shim 0 5mm 1 NP...

Page 34: ...T REFLECT 1 2 NP140102 STL PLATE REAR REFLECT 1 3 NP170065 TFE DIAPHRAGM 1 4 NP180046 PPL SPACER 1 5 NP530227 000 Switch OBL Leak Detection 1 6 NP560030 316 PRESSURE GAUGE 0 200PSI DUAL SCALE 1 7 NP99...

Page 35: ...34...

Page 36: ...KOPkits information by clicking on the KOPkits button 5 Check related information by clicking on manual button 6 Check connection information by clicking on connecting us button Collecting tips Use We...

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