Graco Reactor 2 H-XP3 Repair Parts

Troubleshooting
PROBLEM PROBLEM
PROBLEM
CAUSE CAUSE
CAUSE
SOLUTION SOLUTION
SOLUTION
Loosereversingproximity
switch.
SeePumpsDoNotReverse
Direction,page42.
Loosepistonpackingbolt.
SeePumpsDoNotReverse
Direction,page42.
Pumpsdonotreversedirection
orpumpsdonotmove.
Faultydirectionalvalve.
SeePumpsDoNotReverse
Direction,page42.
Feedpumppressureistoolow.
Adjustpressuretomaintain100
psi(0.7MPa,7bar)minimum.
Pumpcavitation.
Fluidistoothick.Consult
yourmaterialsupplierfor
recommendeduidtemperature
tomaintainaviscosityof250to
1500centipoise.
Loosereversingproximity
switch.
SeePumpsDoNotReverse
Direction,page42.
Erraticpumpmovement.
Faultydirectionalvalve.Replacedirectionalvalve.
Obstructeduidhoseorgun;
uidhoseIDtoosmall.
Openuidhosetoclear
obstruction,orusehosewith
largerID.
Wornpistonvalveorintakevalve
indisplacementpump.
Seepumpmanual.
Pumpoutputlow.
Inadequatefeedpumppressure.Checkfeedpumppressureand
adjustto100psi(0.7MPa,7
bar)minimum.
Fluidleakatpumprodseal.Wornthroatseals.Replace.Seepumpmanual.
Fluidleakingfrompumpoutlet
rupturedisk.
CheckifheaterandPRESSURE
RELIEF/SPRAYvalve(SAorSB)
areplugged.Clear.Replace
rupturediskwithanewone;do
notreplacewithapipeplug.
Nopressureononeside.
Inadequatefeedpumppressure.Checkfeedpumppressureand
adjustto100psi(0.7MPa,7
bar)minimum.
NOTE: NOTE:
NOTE:
Table1isrelatedtotroubleshooting
problem,“Proportioningpumpdoesnothold
pressurewhenstalled.”
Table Table
Table
1 1
1
Determine Determine
Determine
Valve Valve
Valve
Leak Leak
Leak
Location Location
Location
B-sidepumppiston
valveisdirtyor
damaged.
B-sidepumpinlet
valveisdirtyor
damaged.
A-sidepumpinlet
valveisdirtyor
damaged.
A-sidepumppiston
valveisdirtyor
damaged.
Pressure/Material Pressure/Material
Pressure/Material
Imbalance Imbalance
Imbalance
Todeterminewhichcomponentisoutof
balance,checkthecolorofsomesprayed
material.Two-componentmaterialsare
usuallyamixoflightanddarkuids,sothe
under-proportionedcomponentcanoftenbe
readilydetermined.
Whenyouhavedeterminedwhichcomponentis
under-proportioned,sprayoff-target,focusing
onthepressuregaugeforthatcomponent.
For example: ifcomponentBis
under-proportioned,focusontheB-side
pressuregauge.IftheBgaugereads
considerablyhigherthantheAgauge,the
problemisatthegun.IftheBgaugereads
considerablylowerthantheAgauge,the
problemisatthepump.
334946J
41

Graco Reactor 2 H-XP3 Specifications

General

Brand	Graco
Model	Reactor 2 H-XP3
Category	Paint Sprayer
Language	English