Graco REACTOR 2 H-50 PHH056 — решение проблем с насосами: диагностика и советы по ремонту [39/110]

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Graco REACTOR 2 H-50 FHH053 [39/110] Pressure material pressure material pressure material imbalance imbalance imbalance
Troubleshooting
PROBLEM PROBLEM
PROBLEM
CAUSE CAUSE
CAUSE
SOLUTION SOLUTION
SOLUTION
Loosereversingproximityswitch.
SeePumpsDoNotReverse
Direction,page40.
Loosepistonpackingbolt.
SeePumpsDoNotReverse
Direction,page40.
Pumpsdonotreversedirectionor
pumpsdonotmove.
Faultydirectionalvalve.
SeePumpsDoNotReverse
Direction,page40.
Feedpumppressureistoolow.
Adjustpressuretomaintain100psi
(0.7MPa,7bar)minimum.
Pumpcavitation.
Fluidistoothick.Consultyour
materialsupplierforrecommended
󰘱uidtemperaturetomaintaina
viscosityof250to1500centipoise.
Loosereversingproximityswitch.
SeePumpsDoNotReverse
Direction,page40.
Erraticpumpmovement.
Faultydirectionalvalve.Replacedirectionalvalve.
Obstructed󰘱uidhoseorgun;󰘱uid
hoseIDtoosmall.
Open󰘱uidhosetoclearobstruction,
orusehosewithlargerID.
Wornpistonvalveorintakevalvein
displacementpump.
Seepumpmanual.
Pumpoutputlow.
Inadequatefeedpumppressure.Checkfeedpumppressureand
adjustto100psi(0.7MPa,7bar)
minimum.
Fluidleakatpumprodseal.Wornthroatseals.
Replace.Seepumpmanual.
Fluidleakingfrompumpoutlet
rupturedisk.
CheckifheaterandPRESSURE
RELIEF/SPRAYvalve(SAorSB)
areplugged.Clear.Replace
rupturediskwithanewone;donot
replacewithapipeplug.
Nopressureononeside.
Inadequatefeedpumppressure.Checkfeedpumppressureand
adjustto100psi(0.7MPa,7bar)
minimum.
NOTE: NOTE:
NOTE:
Table1isrelatedtotroubleshootingproblem,
“Proportioningpumpdoesnotholdpressurewhen
stalled.”
Table Table
Table
1 1
1
Determine Determine
Determine
Valve Valve
Valve
Leak Leak
Leak
Location Location
Location
B-sidepumppiston
valveisdirtyor
damaged.
B-sidepumpinletvalve
isdirtyordamaged.
A-sidepumpinletvalve
isdirtyordamaged.
A-sidepumppiston
valveisdirtyor
damaged.
Pressure/Material Pressure/Material
Pressure/Material
Imbalance Imbalance
Imbalance
Todeterminewhichcomponentisoutofbalance,
checkthecolorofsomesprayedmaterial.
Two-componentmaterialsareusuallyamixof
lightanddark󰘱uids,sotheunder-proportioned
componentcanoftenbereadilydetermined.
Whenyouhavedeterminedwhichcomponentis
under-proportioned,sprayoff-target,focusingonthe
pressuregaugeforthatcomponent.
For example:
ifcomponentBisunder-proportioned,
focusontheB-sidepressuregauge.IftheB
gaugereadsconsiderablyhigherthantheAgauge,
theproblemisatthegun.IftheBgaugereads
considerablylowerthantheAgauge,theproblem
isatthepump.
334946H 39

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Узнайте, как диагностировать и решать распространенные проблемы с насосами, включая низкое давление и утечки. Полезные советы и рекомендации для эффективного ремонта.