Graco PRESIDENT 205-626 Operation manual

INSTRUCTIONS-PARTS LIST 306-726
onaco Rev H
Supersedes F
This manual containsIMPORTANT
WARNINGSAN0 INSTRUCTIONS
READ AND RETAIN
FOR REFERENCE
For Non-Abrasive Fluids
10:l RATIO PRESIDENT" PUMP
1800psi (124 bar) MAXIMUM WORKING PRESSURE
Model 205-626, Series H
*Wall mount, stubby pump
Model 205-627, Serles G
Pail length,for 5 or 10 gallons,
with Relax-A-Valve. UL Listed.
Model 205-628, Serles H
Drum lengthfor open-head drum,
with Relax-A-Valve
Model 222-065, Serles A
Drum lengthfor closed-head drum
Model 222-095, Serles A
with bungadapter
Drumlengthfor closed-head drum,
* Two lengths of extensiontubes are availablefor
this pump toconvert ittoa drum ortanklength. See
ACCESSORIES, page 18.
INDEX
Warnings ...................................... 2. 3
lnstallatlon ..................................... 4, 5
Operatlon ....................................... 5
Maintenance ..................................... 6
Troubleshooting .................................. 7
DisplacementPumpRepair
........................ 8
CheckValveAdjustment .......................... 9
Relax-A-ValveRepalr ............................. 9
Parts Llsts andDrawlngs
Mode1222-065
.............................. 10
Model 222-095 .............................. 11
Model
205-626 .............................. 12
Mode1205428 .............................. 13
Model205-627
.............................. 14
Relax-A-Valve .............................. 15
How to Order Replacement Parts . . ,, . ,, ,,,, . ,, .. , . I5
Dimensions .................................. 16. 17
Accessorles
.................................... 18
Warranty Back Cover
Technical Data Back Cover
..........................
...............................
MODELSBZB
SHOWN
Never use 1 .I .I-trlchioroethane. methylene chloride. other halogenated hydrocarbon solvents or flulds contalnlng such sol-
Hazard of Using Flulds Containing Halogenated Hydrocarbons
causa death. serlous bodily injury and/or substantial property damage.
vent5 In this equlpment. Such use could result in a serlous chemical reaction, with the posslbllity
of explosion. which could
Consult your fluid suppliers to enaure that theflulds being used are cornpatlble with aiumlnum and zinc parts.
I
GRACO INC. RO. BOX 1441MINNEAPOLIS, MN 55440-1441

HIGH PRESSURESPRAY CAN CAUSESERIOUS INJURY. FOR PROFESSIONALUSEONLY. OB-
SERVE ALL WARNINGS. Read and understand all instruction manuals before operating equipment.
FLUID INJECTION HAZARD
General Safety
This equipmentgeneratesvery high
fluid pressure. Sprayfrom
the gunlvalve, leaks or ruptured components can inject fluid
throughyourskinandintoyourbody andcause extremely
seriousbodily injuty,
including the needfor amputation. Also,
fluidinjectedor splashed intothe eyescancauseserious
damage.
NEVER-point the gunlvalve at anyone or at any part of the
body. NEVER puthandor fingersover the spraytip. ALWAYS
have
tip guard in place on gunlvalve whenspraying.
ALWAYSfollowthePressureReliefProcedure. right,
before cleaning or removing thespraytip ornozzleor servicing
aysystem equipment.
NEVER try to"blow back" paint; this is notanair spray pump.
NEVER try tostop or deflect leaks with your hand or body.
Be sure equipmentsafety devices are operatingproperly
before each use.
Medical
Treatment
Ifany fluid appears topenetrate yourskin, get EMERGENCY
MEDICAL CARE
AT ONCE. DO NOT TREATAS A SIM-
PLE CUT. Tell the doctor exactly what fluidwas injected.
Note to
Physlcian: Injection in the skin is a traumatic injury.
It is important to treat the Injury surgically as soon as
possible. Do notdelay treatment toresearch toxicity. Tox-
icity isa concern with some exotic coatings injected directly
into thebloodstream. Consultation
with a plastic surgeonor
reconstructivehandsurgeon maybeadvisable.
Spray Gun and
Dispensing Valve Safety Devices
Besure all gunlvalve safety devicesere operatingproperly
before eachuse.Do not remove ormodifyanypart of the
gunlvalve; this can cause a malfunction and result in serious
bodily injury.
Safely Latch
(if applicable1
Whenever you stop spraying, even for a moment, always set
thegunlvalvesafetylatchinthe closed or "safe" position,
makingthe.gun/valve inoperative.Failure to set thesafety
latch can result
in accidental triggering ofthe gunlvalve.
Diffuser
(if applicable)
The
gun diffuser breaks up spray and reducesthe risk of fluid
injection whenthe tipis not installed. Checkdiffuser operation
regularly.FollowthePressureReliefProcedure,below,
thenremovethe spray tip. Aimtheguninto
a metal pail,
holding the gun firmly to the.pail. Using the lowest possible
pressure, triggerthe gun, If the fluid emitted
is notdiffused in-
to an irregularstream, replace the diffuser immediately.
Tip Guard
ALWAYS have the tipguard
in place on the gunlvalve while
spraying. Thetip guard alerts you tothe fluid injectionhazard
and helps reduce, but does not prevent. accidentally placing
your fingers or any part of your body closeto the spray tip.
Trigger Guard (if applicable]
guardhelps prevent the gun from triggering accidentally
if it is
Never operate the gun with the trigger guard removed. This
dropped or bumped.
Spray
Tip and Nozzle Safety
Use extremecaution when cleaningor changingspray tips or
nozzles.
If the spraytipor nozzleclogs whilespraying, engage
the gunlvalvesafety latch immediately. ALWAYS follow the
Pressure Relief Procedureand thenremovethe spray tip or
nozzle
to clean it.
NEVER wipe off build-up around thespray tip ornozzle until
engaged.
pressure isfully relievedand thegunlvalvesafetylatch is
Pressure Relief Procedure
tion orsplashing in theeyes oron theskin, always follow this
To reduce therisk of serious bodily injury, including fluid injec-
procedurewhenever you shut
off the pump, when checking or
servicing any part
of the system, when installingor changing
spray tips, and whenever you stopspraying.
1. Engagethe spray gun or dispensing valve safety latch.
2. Close the pump air regulator.
3. Close the master bleed-typeairvalve(required).
4. Disengagethe gun or dispensing valve safety latch.
5. Hold a metal part of gunlvalve firmly to a grounded metal
waste container and trigger
to relievefluid pressure.
6. Engagethe safety latch again.
7. Open the pump drainvalve [required in your system). hav-
NOTE: Ifyourpump has a Relax-A-Valveset in the
8. Leave thedrain valve openuntilyou areready to spray
pressureis notfully relieved after following the stepsabove,
If you suspectthatthe spray tip orhoseiscloggedor that fluid
VERY SLOWLY loosen the tip guard orhose endcoupling and
allow pressureto be relieved gradually,then remove complete-
ly. Now clear the tip or hose obstruction.
ing a container ready to catch the drainage.
automatic position, Step
7 is notnecessary.
again.
EQUIPMENT MISUSE HAZARD
General Safety
Any misuse
of the spray equipment oraccessories,such as
System Pressure
overpressurizing, modifying parts,usingincompatible MAXIMUM WORKING PRESSURE at 180 psi 112.4 bar) air
This
101 Ratio President Pump develops 1827 psi 1124 bar/
chemicals and fluids, orusingwornor damagedparts,canpressure.Neverexceed
180 psi (12.4 bar) air supply to the
cause them to ruptureandresultinfluidinjectionorother
serious bodilyinjury, fire, explosion or property damage. ofthepumporofthelowest rated componentinyoursystem.
motor.
NEVER exceed the stated maximum workingpressure
NEVER alter or modify any part of this equipment; doing
so
could cause it to malfunction.properlyrated towithstandthemaximum airand fluidworking
Be sure
that all accessoriesyou add to the spray system are
CHECK
all spray equipment regularly and repairorreplace pressures of this system.
wornor damaged parts immediately. FluidComDatibilitv
read-and follow the fluid and MIVent manufacturer,s BESURE that all fluid.and solventused are chemically com-
recommendationsregarding the use ofprotectiveclothing and the back
cover, Always read the fluid and manufac.
patiblewith the wettedparts shownin theTechnical Data on
turer's literature before using themin this sprayer.
equipment.

FIRE OR EXPLOSION HAZARD
through the pump and hose. If every part of thespray equip-
Static electricity is created by the high velocity flow
of fluid
rnent is not properly grounded, sparking may occur, and the
systemmay become hazardous. Sparking mayalso occur
when plugging in or unplugging
a power supply cord.Sparks
can ignite fumes from solvents and the fluid being sprayed,
dust particles and other flammable substances. whether you
are spraying indoors or outdoors, and can cause
a fire or ex-
plosionand seriousbodily injury and propertydamage. Do not
plug
in or unplug any power supply cords in the spray area
when there is any chance of ignitingfumes still in the
air.
If you experienceany static sparking or evena slight shock
whileusingthis equipment,STOPSPRAYING IMMEDIATE-
thesystem again untiltheproblem hasbeen identified and
LY. Check the entire system forproper grounding. Do notuse
corrected.
Grounding
To reducethe risk of staticsparking, ground the pump andall
other spray equipment usedor located inthe spray area.
CHECK yourlocalelectrical code fordetailedgrounding in-
structions for your area and type of equipment. BE SURE to
ground
all of this spray equipment:
1. Pump: use a ground wire and clamp as shown in Fig 1.
2. Air hoses:use only grounded air hoses.
3. Fluid hoses:use only grounded fluid hoses.
4. Air compressor: follow manufacturer'srecommendations.
5. Spray gun or dispensing velve: grounding is obtained
through connection to
a properly grounded fluidhose and
pump.
6. Fluid supply container: accordingto local code.
7. Object beingsprayed: according to your lo&l code.
8. All solventpails used whenflushing,according to local
code. Use only metalpails, which are conductive, placed
on
a grounded surface. Do notplace the pail on a non-
terrupts the grounding continuity.
conductive surface, such as paper or cardboard, which in-
9. To maintain grounding continuity when flushing or reliev-
ing pressure, alwayshold a metalpart ofthegunlvalve
firmly to the side of a groundedmetalpail, then trigger the
gunlvalve.
Fig 1
Togroundthepump,lwsenthegroundingluglocknut~andwasher
the slot inlug (2) and tighten locknutsecurely.See Fig. 1. Mnnecttb
(X). lnselt one end of a 12 ga. (1.5 mmz) minimum groundwire M into
otherendofthewiretoatruee~ground.Refertopage18ioordera
ground wire and clamp.
Flushing
Safety
Toreduce the risk of injection injury, static sparking, or
splashing follow the Pressure Relief Procedureon page
2,
and remove the spray tip (spray guns or spray valves only)
before flushing. Hold a metal part of the gunlvalve firmly
to
the side of a grounded metalpail and use the lowest possible
fluid pressure during flushing.
MOVING PARTS HAZARD
The piston in the air motor,locatedbehindthe air motor
plates, moveswhen air
is suppliedtothe motor. Movingpa-
can pinchoramputateyourfingers or otherbodyparts.
Therefore, NEVER operate the pumpwith theair motor plates
removed. KEEPCLEAR of movingpartswhenstartingor
operating the pump. Before checking or servicing the pump,
follow the Pressure
Relief Procedure onpage 2 to prevent
the pump from starting accidentally.
HOSE SAFETY
High pressure fluid in the hoses can be verydangerous. If the HANDLEAND ROUTE HOSES CAREFULLY. Donotpullon
hose develops
a leak, split or rupture due to any kind of wear,hoses to move equipment. Do not usefluids or solvents which
damageormisuse, the highpressuresprayemittedfrom
it canare notcompatiblewith the inner tube andcover of the hose.
cause a fluid iniection iniurv or other serious bodilv iniurv or
property damage.
,. I ,~ ,
ALLFLUIDSPRAY HOSES MUSTHAVE SPRING
GUARDS
ON BOTH ENDS1The spring guardshelp protect
the
hosa fromkinks or bends at orcl&e toihecoupling which
can result in hose rupture.
TIGHTENa11 fluid connectionssecurely beforeeach use. High
pressure fluid can dislodge
a loose coupling or allowhigh
pressure spray
to be emitted from the coupling,
hose for cuts,leaks,abrasion, bulging cover, or damageor
NEVER useadamagedhose.Beforeeach use, check entire
exist, replace the hose immediately. DO NOT
try to recouple
movement of the hose couplings.
If any of these conditions
high pressure hoseor mend
it withtape or any otherdevice. A
repaired hosecannot contain the
high pressure fluid.
Hose Grounding Continuity
Proper hosegrounding continuityis essentialto maintaininga
air and fluidhosesat least oncea week. If yourhose doesnot
groundedspray system. Checkthe electricalresistanceof your
havea tagon
it which specifies themaximumelectrical
resistance, contact the hose supplier or manufacturerfor the
maximum resistance limits. Use a resistance meter in theap-
propriate range for your hose to check the resistance. If the
resistanceexceeds the recommended limits, replace
it im-
mediately.An ungrounded or poorly groundedhosecanmake
yoursystem hazardous.Also,read
FIRE OR EXPLOSION
HAZARD, above.
IMPORTANT
ticulariy the General Standards, Part 1910, and the Construction Standards, Part 1926-should be consulted.
United States Government safetystandards have beenadopted under the Occupational Safetyand Health Act.Thesestandards-par.
306-726 3

TYPICAL INSTALLATION
A Bleed-vpe Master Air Valve
KEY
C Air Line Filter
B Pump Runaway Valve
0 Air Line Lubricator
E Pump Air Regulator
H Drain Valve
J Pump Ground Wire
K Grounded Fluid Hose
L Grounded Air Hose
20 Relax-A-Valve
21 Drain Back lube
MAIN AIR SUPPLV
112”MiNIMUM
INSTALLATION
NOTE: Reference numbers and lettersinparenthesesIn
the text refer to the callouts inthe figure illustra-
tions and the partsdrawings.
See page 18 for accessoriesthat are available
from Graco.
The TypicalInstallationshownabove is only a guide to
selectingand installing requiredand optional ac-
your needs, contactyour Graco representative.
cessories.For assistance in designing a system to suit
Mount thepump to suit the typeof installationplanned.
The pump dimensions and mounting hole layout are
shown on pages 16 and 17.
Thisstubby pumpcan be mounteddirectly in a drum or
Model 205-626 only
supply tanksuctionline, or onawall bracket. By screw-
ingan accessory extension tube directlyinto thepump’s
tank.Extensiontubesareavailable in 28 in. (711 mm)
intake valve, this pump canalso be used in a drum or
and 38 in. I965 mmllengths. SeeAccessories.
Pail or Drum Length Pumps
Install thepumpinthedrum orpail,using a suitable
cover,bungadapter ormounting clamp.The pump
must be 112 in. (13 mm) off the bottom of the pail or
drum.
to it and route the hose backto the supply container.
Ifthe pumphas a drain back tube, connect a
drain hose
NOTE: in a closed-headdrum,besure to loosenthe
vent plug in thedrum cover to prevent for-
mation of a vacuum.
WARNING
Two accessoriesarerequired in yoursystem: a
bleed-type master air valve (A), if your pumpdoes
not have a Relax-A-Valve, and a fluid drain valve
serious bodily injury includinginjection, splashing
(HI. Theseaccessorieshelpreducetheriskof
in the eyes,and injury from moving parts if you
are adjusting or repairingthe pump.
Thebleed-typemaster air valverelieves air trap-
ped betweenthis valve andthe pumpafter the air
regulator is shut off. Trapped air cancause the
close to the pump.
pump to cycleunexpectedly.Locate the valve
!
i The fluid drainvalveassists in relieving fluid
pressure inthe displacementpump,hoseand
gun; triggering thegun to relievepressuremay
not be sufficient.
Pumps with Relax-A-Valve
An Evenflo air regulator may be installedonpumps hav-
ing a Relax-A-Valve. This regulator preventsinitialsurg-
ingof non-atomizedfluid when the gun is triggered.Air
pressurein the pumpis relieved automaticallyeach time
the gun trigger is released. When usedwith a Relax-A-
Valveset inthe automaticposition, fluid pressureis
relieved automatically also.
Installation continued on page 5
4 306-726

All Pumps
Install the air line accessoriesin the approximate order
shown inthe TypicalInstallationdrawing. A pump
runaway valve (6) senseswhenthe pump is runningtoo
fastandshuts off the air supply to the motor. For
automaticair motor lubrication,install anairline
lubricator(Dl. (Formanuallubrication, see
air valve (A)withineasy reachof thepump. Installan air
MAINTENANCE, page 6.) Installthe bleed-type master
speed. An airline filter. (C) removes harmful dirt and
regulator (E) to control air tothe motorand pump
moisture from your compressed air supply.
On the fluid line, install a drainvalve (HI close to the
fluid outlet to assist in relieving fluid pressure (not re-
quired with pumps having a Relax-A-Valve). Connect a
suitable, groundedfluid hose and spray gun or dispens-
ing valve to thepump's 314 in. npt outlet.
Grounding
Proper grounding is essentialto maintain a safe system.
Read FIRE OR EXPLOSION HAZARD on page 3,
then ground the pumpand systemas explained in that
section.
Be surethe air supply hoseisproperly grounded, andis
at least112 in. (13 mm) ID in order to supplyanade-
quate volume of air to themotor.
OPERATION
Thewas tested inoil,andsome oil was left inthe
Startup
pump to'protect it from corrosion. If the oil will con-
taminate the fluid you are pumping, flush it out.
To start the pump, close thefluid drain valve (HI. Open
thebleed-typemaster air valves (A). Holding a metal
part of the spray gunldispensingvalve firmly against
the side of a grounded metal pail, holdthe trigger open
whileslowlyopening the airregulator(El. Run the
pumpslowly until all air is purged from the gunlvalve.
plicable).
Release the trigger and engage the safety latch lif ap-
Use theair regulator (E) to control fluid pressureand
pumpspeed. Always use the lowest pressure necessary
to get the desiredresults.Higherpressurescause
premature pump wear and spray tip wear, and usually
do notimprove the spray pattern.
I WARNING
To reducethe riskof overpressurizing you system,
. which could result in component rupture and
causeseriousbodilyinjury, NEVER exceed the
maximum working pressureof the lowestrated
component in yoursystem.Lowering the air
Dressure to the motor will Drooortionatelv lower
ihe fluidoutletpressure from thepump. Refer to
EQUIPMENTMISUSEHAZARD.Svstem
pressure, for the maximum air andfluid working
Dressureof this oumb
suppliedtothe motor, the pump starts whenthe gunor
In a direct supplysystem, with adequateairpressure
dispensing valve is opened, and stalls against pressure
when it is closed.
stop it immediately. Check thefluid supply and refill it if
If the pump accelerates quickly or is running too fast,
necessary.Prime the pump to remove all air from the
system,or flush the pump,relievepressure, but leave
the systemfilled with mineral spirits or an oil-based sol-
vent to protect the pump fromcorrosion.
NOTE: A pump runawayvalve (6) canbeinstalled
on the air line to automatically shut off the
pump if it startsto runtoo fast.
Shutdown andCare of the Pump
Alwaysstop the pump at the bottom of its stroketopre-
vent fluid fromdryingontherod anddamaging the
throat packings.
WARNING
checking, or repairing any part of thesystem, to
page 2 wheneveryou stop sprayingandbefore
flush the system with a compatible solvent as often as
Ifyouare pumpingfluid whichdries, hardens or sets up,
necessary to prevent a build upof dried fluidinthe
pumpor hoses.
Using the Relax-A-Valve
Ifyour pumphas a Relax-A-Valve, it can be usedto mix
fluid bycirculation (exceptininductor-type followplate
installations),and it canbeset to relieve fluid line
pressure eachtime the pumpair pressure is relieved.
To circulate fluid, openthe Relax-A-Valveby loosening
the locknut(119) andturning theT-handle screw (110)
counterclockwise as far as possible. Startthe pumpand
circulate thefluid asnecessary. Stopthe pump and
tion. SeeFig 2.
close the Relax-A-Valve or set it in theautomatic posi-
To set the automaticposition, loosen the locknut (1191
and turn the T-handle screw (1101 clockwise as far a5
tighten the locknut. Duringnormal operation, the fluid
possible.Back off the T-handlescrew four turns and
pressure is relievedautomatically each time the air
pressureto the pump is relieved.
NOTE: If yourinstallationincludes anEvenflo
pressureregulator,air to thepump is
automaticallyrelieved each time youclose
the guntrigger,and the Relax-A-Valve, in
turn, relieves fluid pressure.
Without anEvenflo, the bleed-typemaster
air valve (A)should beusedto relieve pump
air Dressure.
'Fig 2
-

~~
MAINTENANCE
Lubrication
If your system includes an automatic air line lubricator,
adjust the lubricator as instructed in the separatein:
struction manual.
hoseandplace 12 to 15 drops of high quality, light
For manual lubrication, each day, remove the air inlet
motor oil inthe inlet. Reattachthe hose andturn on the
air to blow the oil intothe motor.
Throat Packing Adjustment
Oncea week, oraftereach 40 hoursofoperation, check
thetightness of the throat packing nut. It shouldbe
tight enough to stop leakage, but no tighter.
To check, first follow the Pressure Relief Procedure
Warning, page 7. Then removethe identificationplate
(MI from the motor. Using a spanner wrench or. a
the identificationplate beforeoperatingthe pump. See
0.22 in. (5.6 mm) diameter rod, adjustthenut. Reinstall
Fig 3.
Flushing
To reducethe risk of injectioniniury, static sparking, or
splashing in the eyesor on the skin, follow the
spray tip (spray guns or.sprayvalves only) before
Pressure Relief Procedureon page 2, and remove the
flushing.Hold a metal part of the gunlvalve firmly to
the side of a grounded metal pailanduse the lowest
possiblefluid pressure duringflushing.
Fig 3
Corrosion Protection
r
CAUTION
Water, or evenmoistair, can causeyour pumpto
the pumpfilled withwater-basedfluid or air.After
corrode. To help prevent corrosion, NEVER leave
normalflushing, flush the pump again with
mineral spirits oroil-basedsolvent,andrelieve
pressure. This leaves the mineral spirits in the
pump. Be sureto follow all steps of the Pressure
Relief Procedure on oaae 2.
6 306-726

TROUBLESHOOTING CHART
Pressure Relief Procedure
WARNING
from movingparts, follow thisprocedure wheneveryoushut off the pump, whepcheckingor repairingany part of
To reducethe risk of serious bodily injury, includingfluid injection, splashing in the eyes or on the skin, or injury
the system, when installing, cleaning or changing spray tips, and wheneveryou s:op spraying. (1) Engagethe gun
safety latch. (2) Closethe pumpair regulator. (3) Closethe bleed-type master air valve. (4) Disengagethegun safe-
ty latch. (5) Hold a metalpartof the gun firmly tothe side of agroundedmetalpail, and triggerthe guntorelieve
pressure. (6) Engagethe gun safetylatch. 17) Open thedrainvalve, having a containerreadytocatchthedrainage.
(8) Leave the drain valve open until youare ready to spray again.
If you suspect that the spray tip or hoseiscompletely clogged, or thatpressure hasnotbeenfully relievedafter
following the steps above.VERY SLOWLY loosen the tip guard retainingnut or hose end coupling and relieve
pressure gradually, then loosen completely. Now clear the tip or hose obstruction.
WARNING
Never operate the pump with the air motor plate removed.
Moving parts in the piston can pinchor amputate fingers.
PROBLEM
Pump does not operate,
Dr no fluidflow
I
I
Pump operatesbut output is low
Erratic or accelerated operation
*Waysfollow the Pressure Relief
CAUSE
Loose or broken pump parts
supply
Restrictedline or inadequate air
Exhausted fluid supply
Cloggedfluid hoses
need adjustment
Fluid intake orpiston valves
Damaged airmotor
Insufficientair supply
Exhaustedfluid supply
Obstructedgun or dispensing
valve
Damagedfluid pump packings
Held open or worn piston or in-
take valve
Exhausted fluid supply
Fluid intake or piston valve worn
Icedure Warning first1
SOLUTION*
Disassemble,check,repair
Clear,increase
Refill and prime
Clean, or replace
Adjust, see page 9
Repair; see 306-982
Increase
Refilland prime
Clear
Replace, see page 8
Repair; see page 8
Refill and prime
Repair; see page 8

Displacement Pump Repair
Before you start:
1. A packingrepairkit, part no. 206-927, is available.
This kit includes two glands andeightpackingsfor
the motor as well as O-rings, packings and washers
for the displacementpump.For the bestresults,
use all the parts in thekit.
2. Clean all parts as youdisassemblethem,using a
compatiblesolvent,andinspect for wear or
damage. Replace parts asnecessary.
Intake Valve (See Fig 4)
1. Followthe Pressure ReliefProcedureWarning on
page 7.
2. Unscrew theintake valve housing (15),
Models 205-626,222465, and 222-095: Inspectthe
ball (4) and the seat inthe housing (15) for nicks or
scratches. Checkthe O-ring (30) for damage.
Models 205-627 and 205-628: Remove theball stop
pin(17). Inspecttheball (4) and seat (19a) fornicks or
scratches.
A// Models: Replacethe balland/or seat If it is dam-
aged, asdamagedpartsdo not seal properlyand
maycause poor pumpperformance.
3. If no furthersewice isneeded, reassemble the Intake
valve. ForModels 205-627 and 205-628. be surethe
ballstoppin (17) isreinstalledInthe proper holes.See
CheckValve Adjustment on page9.
Piston
4. Unscrew the risertube (9) fromthepump base.
Clean the tube and inspect it for wear by holding it
up to a light at a slight angle. If you see wavy lines
orscratches where the piston travels,replace the
tube as it will not seal well with thenewpiston
packings andthe pump willperform poorly.
5. Loosen the locknut (2) and unscrew the piston (8)
from {he connecting rod (16).
6.
Disassembleandclean all parts.
7. Reassemble thepiston, using all the newpartsfrom
the kit andanyother new parts needed. Oil the
leatherpackings (10') first. Thenassemble the
parts on the piston seat (7) in thisorder:backup
washer (13), spreader (111, leatherpacking (lo*),
spacer (14) with a new o-rina (5) installed in it.
anotherleatherpacking (10.L spreader (11) and
backup washer (13").
NOTE: To replace thethroat packings, followthe
proceduregiven in your separateair motor
manual, 306-982, supplied,before continu-
ing with this procedure.
8. Applysealant to the threads of the seat (7) and
screw onto the piston body (8). Screw the piston
onto the connectingrod (16) andadjust the ball
on page9. Tighten the locknut (2).
travel as instructed in Check Valve Adjustment
if necessary.
9. Check theO-ring (6) in the pumpbase and replace it
205-627 &
16
3/16 PISTON
BALLTRAVEL
205-627
&
16
3/16 PISTON
BALLTRAVEL
/ -15
19bl
MODELS
205-626,
222-065,
4
& 222-095 15
30
Fig 4
10. Lubricatethe pistonpackings andthe innerwall at
the topof the risertube(9).Wrap thepackingswith
a guide collar madeof 1/64 in. maximumthickness
shim stock or metal sheeting. Using a turning mo-
tion, workthe first leatherpacking into the riser
tube. Remove theguidecollarandpushtheriser
tube upand screw it into the base. Torquethe tube
to 100-150 ft-lb (135204 Nd.
Reassembly
1. Be surethe check valves are properly adjusted. See
page 9.
2. Reinstallthe intakevalve.
3. Reconnectthe pump's ground wire to a true earth
ground.
8 306-726

CheckValve Adjustment
Models 205-627 and 205-628'have adjustable fluid in-
take andpiston ballchecks,which'arefactory-set for me-
dium viscosity fluids.
lo change the plston balltravel,loosenthe locknut
crease, and clockwise to decrease. Medium viscosity
(21. Turn the pistonbody (8) counterclockwise to in-
fluids should have a 3/16 in. (5 mm)balltravel. See Fig
5. Decreasingthe balltravelminimizessurgingat stroke
and slowsdown the pump.
changeover, but tooshort a ball travelrestrictstheflow
lo changethehtake valve ball travel, move the ball 4
stop pin (17) to a higher or lower set of holes. Use the
middleholesfor medium viscosityfluids.
Relax-A-Valve Repair
Toremovean obstruction from the valve,loosen the
locknut (1 191 andturn theT-handle completelycounter-
the obstruction. Stop the pump and follow the Fig 5
clockwise. Turn on the pump and operate to flush out
PressureReliefProcedureWarning. Reset the
Relax-A-Valveto the automaticposition. See page 5.
15
II yr19
valve housing (1 14) and seat (1181from thepumpbase.
If further repair is needed, relieve pressure. Unscrewthe
SeeFig6.
damage, replacing parts as neccessary.
Cleanand inspect the seatand tip (117~)for wearor
Checkthe pistontravel. Unscrewthe cap (115) fromthe
housing. Check for a 114in. (6mmJ clearance between
thestop nut 1112) andthejam nut (1031. Ifadjustment is TRAVEL
necessarv, loosen the iam nut 1103) and turn thead-
.~ ~. ~~ ~ ~ ~ ~-
juaing stem(111) in oiout until you obtain the proper I L21
clearance. See Fig 6. Tightenthe jam nut,
Reassemblethe Relax-A-Valvein the reverseorder. . Fig 6
306-726 9

Model 222-065, Series A
Includes items 1-31
REFPART
NO.NO. DESCRlPTlON
ON
3100-2794101-190
5 154-662*
6156-6417156-989
8 157-184
9183-010
10 158-402*
11 171-590'
12158-586
." ...
13171-594'
15183-009
14158-857
16159-320
17157-182
18205-647
22 159-445
23159-446
24159-890
25157-834
30 156-633
31 220-688
31a
183-013
31b 183-017
PIN, cotter; 1/8"dia x 1-1/2"
NUT hex, jam; 1/2-20
BALL, steel; 718" dia.
BALL, steel; 1" dia.
O-RING buna-N
O-RING; buna-N
SEAT fluid pistonvalve
BODY fluid piston
TUBE, riser
PACKING, cup: leather
WASHER, spreader
BUSHING, pipe; 1" npt(m) x 3/4
WASHER, backup
SPACER, fluid piston packing
HOUSING, Intake valve
ROD, conn.; 2.325" (59 mm)
STOR ball, intake valve
AIR MOTOR
See 306-982 for parts
GASKR; vellumoid
PLUG; 1-3/8-12 NF2 thread
GASKET; copper
PLUG; 5/8-18 NF2 thread
O-RING buna-N
SUCTION TUBE ASSEMBLY
Includes Items 31a and 31b
. TUBE
. SPACER
1
1
1
1
1
1
1
1
1
2
2
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
* Included in repairkit206-927.
See "How to Order Replacement Pans" on page 15

PARTS DRAWING .i.~,....~ !d~,.,i~~9~-~~~~i,.,-~
Model 222-095, Serles A
Includes items 1-31
REF PART DESCRIPTION QN
NO. NO.
l2 1 100-103PIN,cotter; 1/13" diax 1-1/2"
2100-111NUT,hex,jam;1/2-20
1
3100-279BALL,steel;7/8"dia. 1
4 101-190BALL,steel; 1"dia. 1
5 154-662*O-RING;buna-N 1
6156-641 1
O-RING buna-N
7156-989 SEAT, fluidpiston valve 1
8 157-184BODY, fluidpiston 1
9183-010TUBE,riser 1
10158-402*PACKING,cup;leather 1
11171-590'WASHER,spreader
2
12158-586BUSHING, pipe; 1" npt(m)x314npt(t)1 2
13171-594'WASHER,backup
14 158-857SPACER, fluidpistonpacking 2
15183-009HOUSING, intakevalve 1
16159-320 ROD, conn.; 2.325"(59 mrn)
1
17157-182STOe ball, intakevalve 1
18205-647 AIR MOTOR 1
22 159-445PLUG;1-3/8-12NF2thread
See306-982forpans1
23159-446GASKET;veilumoid 1
24159-890GASKET;copper 1
25157-834PLUG;5/8-18NF2thread
1
28 222-308BUNGADAPTERASSEMBLY
1
Includes items 28a and 28b
28a 104-542 . SCREW,cap,hex hdM8 x 1.25 1
1
28b210-834 . ADAPTER, bung
30156-633O-RING;buna-N
1
31220-690SUCTIONTUBEASSEMBLY
1
31a183-015 Includes items 31a and 31 b . TUBE
1
31b183-017 . SPACER 1
1
* Included in repair kit 206-927.
See "How to Order Replacement Parts" on page 75.
"731 31 b
306-726 11
~ ~~ ~~ ~~

PARTS DRAWING
Model 205-626, Series H
Includes items 1-30
REF PART DESCRIPTION QTY
2100-111NUT,hex,jam;1/2-20
1 100-103PIN, coner; 118" diax1-112" 1
3100-279BALL, steel; 718"dia.
1
4101-190BALL,steel; 1" dia.
1
5154-662'O-RING:buna-N
1
6156-641
1
7156-989 SEAT, fluidpistonvalve
O-RINGbuna-N 1
8 157-184 BODY. fluidpiston
1
9183-010TUBE,riser
1
10158-402.PACKING,cup;leather
1
11
171-590'WASHER,spreader 2
12158-586BUSHING,pipe: 1" npt(rn) x 3/4npt(f) 1
2
13171-594*WASHER, backup
14158-857SPACER, fluidpistonpacking 2
15183-009HOUSING,intake valve
1
16159-320 ROD, conn.;2.325"(59 mm)
1
17157-182STOP,ball,intakevalve
1
1
22 159-445PLUG;1-318-12 NF2 thread
1
23159-446GASKET;vellumoid
1
24159-890GASKET;copper 1
25157-834PLUG5/8-18 NF2 thread
1
30156-633O-RING;buna-N
1
1
Included in repair kit 206-927.
See "How to Order Replacement Paris" on page 75.
18205-647 AIR MOTOR
See 306-982 for parts
lW-150R-lb (1s-204 N.m)
U
15
12 306-726

PARTS DRAWING
16
*13
i
9
100-1SOft-lb(135-204 N.m)
TOR(IlJE INTO BASE TO
Model 205-628, Series H
Includes items 1-22
NO. NO.
REF PART DESCRIPTION
2
1
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
100-103
100-111
100-279
154-662'
101-178
156-641
156-989
157-184
158-399
158-402.
171-590'
171-594*
158-586
158-857
159-639
164-928
205-647
160-726
204-762
PIN, cotter: 1/6" dia x l-l/Z"
NUT, hex, jam; 1/2-20
BALL, steel; 7/8" dia.
BALL, steel; 1-1/4" dia.
O-RING: buna-N
SEAT, fluid pistonvalve
O-RING; buna-N
TUBE, riser; 32.75" (832 mm)
BODY, fluid piston
PACKING, cup; leather
WASHER, spreader
BUSHING, pipe; 1" npt(m) x 3/4
.WASHER,backup
SPACER, fluid piston packing
HOUSING, intake valve
STOP,ball, intake valve
ROD. conn.; 25.325" (643 mm)
AIR MOTOR
See 306-982 for parts
FOOT VALVE BODY & SEAT
ASSEMBLY:
19a161-521 .
SEAT, foot valve
19b161-820 .
SEAT, ball
Includes items 19a and 19b
20 206-280 REM-A-VALVE ASSEMBLY
~ ~~ -~~
See parts list on page 15
1/2
npt(m) x 3/8 npsm(f) swivel
21160-992
TUBE, drain back
22 158-256
ADAPTER, air inlet;
* included in repair kit 206-927.
See .How to Order Replacement Parts" onpage 15.
QTY
1
306-726 13

PARTS DRAWING
Model 205-627, Serles G
Includes items 1-21
REF PART DESCRIPTION
NO.NO.
1 100-103PIN,cotter;118"dia x 1-11?
lnn-rll
1
; hex, jam; 1/2-20 1
L,steel;718"dia. 1
L. steel: 1-114" dia.
1
1
1
1
1
QTY
O-RING: buna-N
O-RING buna-N
SEAT, fluid pistonvalve
)Y fluid aistnn
19
16
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19a
19b
20
21
100-279
101-178
154-662'
156-641
156-989
1 57- 1 84
." ...
159-258
158-402.
171-590*
158-555
171-594*
158-857
159-839
164-927
205-647
160-726
204-762
161-521
161-820
206-280
100-992
NUT
BAL
BAL
1
Includesitems19a and 19b 1
. SEAT, foot valve
. SEAT, ball
TUBE. drain back
See parts list on page 15
RELAX-A-VALVE ASSEMBLY
Included in repair kit206-927.
See "How to Order Replacement Parts" on page 15.
100150ft-lb i136-204 Nml
14 306-726

PARTS LIST
Ref No. 20 Includes:
Relax-A-Valve Assembly
Includesitems 101 to 119 Ref No. Qty.
(Must be ordered separately)
Pump Packing Repair Kit 206-927
5 1
REFPARTDESCRIPTION
NO. NO.
QN
11
10 2
2
101100-694LOCKWASHER.internal,shkDrt
13 2
1101n.131
111 158-389
;;z i5g390
113158391
114158-393
115158396
116159-890
117203-376
117a 159050
117b101-379
1% 26%
118203-374
119100111
TUBE, drain back
7/16'
NUT,hex. jam; 1/4-20
SEAL,leather
O-RING,Buna-NQ
SPRING,compression
O-RING
GASKET,vellumoid
O-RING, Buna-NB
HANDLE, valve tee
STEM,adjusting
NUT, stop
SCREW, adjusting
HOUSING,relax-a-valve
CAP, relax-a-valve
GASKET,copper
STEMASSEMBLY
Includes items 117a-117c
STEM, valve
.PIN, spring, straight
.TIP, needle valve
SEAT ASSEMBLY
NUT,hex,jam;1/2-20
Also includes packings end glandsfor theair motor.
1
1
1 @$a SERVICE INFORMATION
1
1
2 park
Listed below by the assembly changed are ADDED
1
1
1 Assembly Ref
1 Changed Status
No.
Part No. Name
1
1
1 205-626,
& 222-095
1
222-065,
1
Bushing
158-58612
Added Models
1
1
1 Model Added
22 158-256 Adapter
1
205-628
2
1
I
117
HOW TO ORDER REPLACEMENT PARTS
1. Tobesure you receivethecorrect replacement parts,
kit or accessories, always give all of the information
requested in the chart below.
2. Checkthe partslisttoidentify the correct partnumber;
do not use the ref. no. when ordering.
3. Order all parts from your nearest Graco distributor.
6 digit
PART
NUMBER QTY PARTDESCRIPTION
I
306-726 15

DIMENSIONS
Weight: 29 Ib (13 Kg)
Model M5-626. Series H
tu,
i i
4
I2.114
161.2
mml
Model 205-627. Series 0
Model 20!j-620. Series H
Weight: 29 Ib (13 Kg)
Weight: 40 Ib (18 Kg)
48-112"
(1232 mm)
(972 mm)
38-114"
Model 222-065, Serles A
Weight: 33 Ib (15 kg)
16 306-726
Weight: 33 Ib (15 kg)
Model 222-095, Series
A
10
-3

DIMENSIONS (Continued)
BOTTOM VIEW (17.6
mml OD
FOUR
ON 1
DIA.
BOTTOM VIEW (17.6
mml OD
306-726 17

~~
ACCESSORIES (Must be purchased separately)
25Opsi (17.5 bad MAXIMUM WORKINGPRESSURE
AIRLINE FILTER
2Wpsi 117.5 bar) MAXIMUM WORKLNG PRESSURE
AIR LINE OILER
214-848
1 /2 npt inlet 8 outlet
214849 3/4 npt.inlet 8 outlet &
360 psi 121 barl MAXIMUM WORKING PRESSURE
BLEED-TYPEMASTER AIR VALVE IREQUIRED)
air inlet and this valve when closed.
Relievesair trappedinthe air line between the pump
107-141 314 npth x flinlet 8 outlet
107-142 1 I2 npt(rn x flinlet
AIR REGULATOR 203-716
jMI) psi 121 barl MAXIMUM INBOUND AIRPRESSURE
0-200 psi (0-14 bar) RegulatedPressure Range
1/2 npsm(f)inlet, 3/8 npt(m)outlet
PUMPRUNAWAY VALVE 215362
pump is runningtoo fast, a condition caused by a
Shuts off air to pumpautomatically if it senses that the
depletedfluid supply.
3/4 nptff) inlet and outlet.
U
GROUNDING CLAMP 103-5387
GROUND WIRE
208-950
25 ft (7.6 m)length, 12 g
For grounding pump.
STURDI-CLAMP 203-158
For mounting bungpumpto side of open drum.
HIGH PRESSURE BALL VALVES,Viton Seals
50 psi (350 bar) MAXIMUM WORKING PRESSURE
Can be used as fluid drain valve.
210-657 114 npt(ml
210-658 318 npt(m)
210-659 3/8 x 114 npt(m)
30 mi (210 bar) MAXIMUM WORKING PRESSURE
SWIVEL 207-947
EVENFLO CONTROL 202-844
175 mi (12 bar1 MAXIMUM AIR INLET PRESSURE
~~~~~
Used with a Relax-A-Valve equippedpumpand heavy
fluid air spray gun, prevents initial surging of non-
atomizedfluid whengun is triggered on. fh ~
~~~~ ~~
Screws directlyinto intake valve of stubby pump
EXTENSIONTUBES
205-626 to convert pump to drumor tank length.
183-257 28 in.(711 mml
183-258 38 in. (965 mm)
c 3
18 306-726

TECHNICAL DATA
Fluidpresure ratio : 1O:l
Maximumfluid working pressure : 1800 psi (124 bar)
Maximumrecommendedpump speed : 60 cycleslminute
Air pressure operatingrange : 40-180 psi (3-12 bar)
Delivery (intermittentduty) : 6 gpm (25 literlmin)
Delivery (continuousduty) : 3 gpm (12 literlmin)
Cyclesper gallon (liter) : 20 (6)
Air motor effective diameter : 4-114 in. (108 mm)
Pump stroke : 4 in. (100 mm)
100 psi (7 bar)
Air consumption : Approx. 13 CFMpergallon (6 m3/hr/liter) of fluid at
Wetted parts : Steel,Aluminum, Brass,Leather, Buna-N
THE GRACO WARRANTY AND DISCLAIMERS
WARRANTY
Gram wanants all equipment manufactured by k and bearing its nameto be free from defectsin material and workmanship on the date of ~IE
ped of WIw months from the date sele. repB!r or replace any pi7 of the equipment proven defective. Thii wsrrnnty applies only when the
by pn
authorired Graco didbutor to the original purchaser fm use. As purchasefa sole remedy for breach of mi! warmnty, Gram will, for a
equipment is installed. operated and mamtained In accordance with Gram's written recommendations.
This wsrrnntv does not cover. and Graco shall not be liable for, anv malfunction. damaae or wear caused bv faultv installation. misaodiCaIjon.
abrasion, wim*on, inadequeie
o! improper maintenance. negligenw. accident, tempen'ng. or substitution of non-Gram component parts. Nor
shall Graco be Gable formaifunctlon,damageorwear caused by the inwmpatibilii with Graw equipment of lit~UcbJm. accessories, equip-
ment ormaterials not supplie bv Graco, or the improperdesign,manufacture,inaallation,operationormaintenance of structures. ac-
cBs80nes. equipment
or matemla not supplied by Graw.
Thi warranty is wndiioned upon the prepaid return of the equipment claimed to be defective for examination by Graw to wily the claimed
defect. If the claimed defect is verified, Graw will repir or replace free of charge any defective parts. The equipment will be returned to the
original purchaser tranapmation prepaid.
If inspection of the equipment does not disclose any defect in material or wa7kmanship. repairs will be
made at a reasonable charge, which charges may include the the coats of parts, labor and tramponation.
.DISCLAIMERS AND LIMITATIONS
THETERMS OF THISWARRANTYCONSTITUTEPURCHASERSSOLE AN0 EXCLUSIVEREMEDYANDARE IN LIEUOFANYOTHER
WARRANTIESEXPRESS
OR IMPLIEOI.INCLUDINGWARRANTY OF MERCHANTABILITY OR WARRANTYOFFITNESS FOR APAR-
TICULARPURPOSE,AND
OF ANYNON-CONTRACTUALLIABILITIES,INCLUDINGPRODUCT LIABILITIES, BASEDONNEGLIGENCE OR
STRICTLIABILITY.EVERYFORM OF LIABILITY FOR DIRECT,SPECIAL' OR CONSEWENTIALDAMAGES OR LOSS IS EXPRESSLY EX-
CLUDEDANDDENIED. IN NO CASE SHALL GRACOS LIABILITY EXCEED THE AMOUNT OF THEPURCHASEPRICE. ANY ACTIONFOR
BREACH OF WARRANTY MUST BE BROUGHT WITHIN
TWO I21 YEARS OF THE DATE OF SALE.
Subsidiary and Affillate Companies: Canada; England; Switzerland; France; Germany;HongKong; Japan
Factory Branches: Atlanta, Chicago, Dallas,Detroit, Los Angeles, WestCaldwell (N.J.)
GRACO INC. RO. BOX 1441 MINNEAPOLIS, MN 55440-1441
PRINTED IN USA. 306-728 9-61 Revised 11-89