Installation guide

e1mdlCsmFDA-rev0512
www.versamatic.com
Model E1 Metallic Bolted • 8
Troubleshooting Guide
Symptom: Potential Cause(s): Recommendation(s):
Pump Cycles Once
Deadhead(systempressuremeetsorexceedsair
supply pressure).
Increasetheinletairpressuretothepump.Pumpisdesignedfor1:1pressureratioatzeroow.
(Doesnotapplytohighpressure2:1units).
Air valve or intermediate gaskets installed incorrectly. Installgasketswithholesproperlyaligned.
Bent or missing actuator plunger. Remove pilot valve and inspect actuator plungers.
Pump Will Not Operate
/ Cycle
Pumpisoverlubricated. Setlubricatoronlowestpossiblesettingorremove.Unitsaredesignedforlubefreeoperation.
Lackofair(linesize,PSI,CFM). Checktheairlinesizeandlength,compressorcapacity(HPvs.cfmrequired).
Check air distribution system. Disassembleandinspectmainairdistributionvalve,pilotvalveandpilotvalveactuators.
Dischargelineisblockedorcloggedmanifolds. Check for inadvertently closed discharge line valves. Clean discharge manifolds/piping.
Deadhead(systempressuremeetsorexceedsair
supply pressure).
Increasetheinletairpressuretothepump.Pumpisdesignedfor1:1pressureratioatzeroow.
(Doesnotapplytohighpressure2:1units).
Blockedairexhaustmufer. Removemuferscreen,cleanorde-ice,andre-install.
Pumpeduidinairexhaustmufer. Disassemblepumpchambers.Inspectfordiaphragmruptureorloosediaphragmplateassembly.
Pumpchamberisblocked. Disassembleandinspectwettedchambers.Removeorushanyobstructions.
Pump Cycles and Will
Not Prime or No Flow
Cavitation on suction side. Check suction condition (move pump closer to product).
Check valve obstructed. Valve ball(s) not seating
properly or sticking.
Disassemblethewetendofthepumpandmanuallydislodgeobstructioninthecheckvalvepocket.
Clean out around valve ball cage and valve seat area. Replace valve ball or valve seat if damaged.
Use heavier valve ball material.
Valve ball(s) missing (pushed into chamber or
manifold).
Wornvalveballorvalveseat.Wornngersinvalveballcage(replacepart).CheckChemical
Resistance Guide for compatibility.
Valve ball(s)/seat(s) damaged or attacked by product. Check Chemical Resistance Guide for compatibility.
Checkvalveand/orseatiswornorneedsadjusting. Inspectcheckvalvesandseatsforwearandpropersetting.Replaceifnecessary.
Suction line is blocked. Removeorushobstruction.Checkandclearallsuctionscreensorstrainers.
Excessivesuctionlift. Forliftsexceeding20’ofliquid,llingthechamberswithliquidwillprimethepumpinmostcases.
Suction side air leakage or air in product. Visuallyinspectallsuction-sidegasketsandpipeconnections.
Pumpeduidinairexhaustmufer. Disassemblepumpchambers.Inspectfordiaphragmruptureorloosediaphragmplateassembly.
Pump Cycles Running
Sluggish/Stalling,
Flow Unsatisfactory
Over lubrication. Setlubricatoronlowestpossiblesettingorremove.Unitsaredesignedforlubefreeoperation.
Icing. Removemuferscreen,de-ice,andre-install.Installapointofuseairdrier.
Clogged manifolds. Cleanmanifoldstoallowproperairow
Deadhead(systempressuremeetsorexceedsair
supply pressure).
Increasetheinletairpressuretothepump.Pumpisdesignedfor1:1pressureratioatzeroow.
(Doesnotapplytohighpressure2:1units).
Cavitation on suction side. Check suction (move pump closer to product).
Lackofair(linesize,PSI,CFM). Checktheairlinesize,length,compressorcapacity.
Excessivesuctionlift. Forliftsexceeding20’ofliquid,llingthechamberswithliquidwillprimethepumpinmostcases.
Airsupplypressureorvolumeexceedssystemhd. Decreaseinletair(press.andvol.)tothepump.Pumpiscavitatingtheuidbyfastcycling.
Undersizedsuctionline. Meetorexceedpumpconnections.
Restrictiveorundersizedairline. Install a larger air line and connection.
Suction side air leakage or air in product. Visuallyinspectallsuction-sidegasketsandpipeconnections.
Suction line is blocked. Removeorushobstruction.Checkandclearallsuctionscreensorstrainers.
Pumpeduidinairexhaustmufer. Disassemblepumpchambers.Inspectfordiaphragmruptureorloosediaphragmplateassembly.
Check valve obstructed. Disassemblethewetendofthepumpandmanuallydislodgeobstructioninthecheckvalvepocket.
Checkvalveand/orseatiswornorneedsadjusting. Inspectcheckvalvesandseatsforwearandpropersetting.Replaceifnecessary.
Entrainedairorvaporlockinchamber(s). Purgechambersthroughtappedchamberventplugs.Purgingthechambersofaircanbedangerous.
Product Leaking
Through Exhaust
Diaphragmfailure,ordiaphragmplatesloose. Replace diaphragms, check for damage and ensure diaphragm plates are tight.
Diaphragmstretchedaroundcenterholeorboltholes. Checkforexcessiveinletpressureorairpressure.ConsultChemicalResistanceChartforcompatibility
withproducts,cleaners,temperaturelimitationsandlubrication.
Premature Diaphragm
Failure
Cavitation. Enlargepipediameteronsuctionsideofpump.
Excessiveoodedsuctionpressure. Movepumpclosertoproduct.Raisepump/placepumpontopoftanktoreduceinletpressure.
Install Back pressure device (Tech bulletin 41r). Add accumulation tank or pulsation dampener.
Misapplication(chemical/physicalincompatibility). ConsultChemicalResistanceChartforcompatibilitywithproducts,cleaners,temperaturelimitations
and lubrication.
Incorrectdiaphragmplatesorplatesonbackwards,
installedincorrectlyorworn.
CheckOperatingManualtocheckforcorrectpartandinstallation.Ensureouterplateshavenotbeen
worntoasharpedge.
Unbalanced Cycling
Excessivesuctionlift. Forliftsexceeding20’ofliquid,llingthechamberswithliquidwillprimethepumpinmostcases.
Undersizedsuctionline. Meetorexceedpumpconnections.
Pumpeduidinairexhaustmufer. Disassemblepumpchambers.Inspectfordiaphragmruptureorloosediaphragmplateassembly.
Suction side air leakage or air in product. Visuallyinspectallsuction-sidegasketsandpipeconnections.
Check valve obstructed. Disassemblethewetendofthepumpandmanuallydislodgeobstructioninthecheckvalvepocket.
Checkvalveand/orseatiswornorneedsadjusting. Inspectcheckvalvesandseatsforwearandpropersetting.Replaceifnecessary.
Entrainedairorvaporlockinchamber(s). Purgechambersthroughtappedchamberventplugs.
Composite Repair Parts Drawing
FUSION DIAPHRAGM ASSEMBLY
31
30
29
28
27
26
32
31
31
30
30
34
33
32
24
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
25
PTFE 2-PEICE DIAPHRAGM ASSEMBLY
25
22
23
24
21
22
21
Torque Setting:
300 in-lbs.
Torque Setting:
300 in-lbs.
Torque Setting:
120 in-lbs.
Torque Setting:
120 in-lbs.
Torque Setting:
30 in-lbs.
FUSION DIAPHRAGM ASSEMBLY
31
30
29
28
27
26
32
31
31
30
30
34
33
32
24
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
25
PTFE 2-PEICE DIAPHRAGM ASSEMBLY
25
22
23
24
21
22
21
Torque Setting:
300 in-lbs.
Torque Setting:
300 in-lbs.
Torque Setting:
120 in-lbs.
Torque Setting:
120 in-lbs.
Torque Setting:
30 in-lbs.
General Model Specic
3: EXP VIEW