Graco 226-249 Operation manual

INSTRUCTIONS-PARTS LIST 386-839
QRPCO
Rev C
SUPERSEDES B
This manual contains IMPORTANT
WARNINGS
and INSTRUCTIONS
READ AN0 RETAIN FOR REFERENCE
5 GALLON (20 liter) PAIL SIZE, AIR POWERED, SINGLE POST
RAM INDUCTOR SUPPLY PUMP
4320 PSI (300 bad
Model 226-249
7200 PSI 1% bar)
Model 226-250
MAXIMUM WORKING PRESSURE
Series "C" with 24:l
President pump
MAXIMUM WORKING
PRESSURE
Series "C" with 48:l
President pump
24w PSI 1165 barl
Model 226-251
48W PSI (330 barl
Model 226-252
. ..
MAXIMUM WORKING PRESSURE
Series "B" with 2O:l Bulldog pump
Series "B" with 0.1 Bulldog pump
MAXIMUM WORKING PRESSURE
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1444

HIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY.
FOR PROFESSIONAL USE ONLY. OBSERVE ALL WARNINGS.
. Read and understand all instruction manuals before operating equipment.
FLUID IMJECTIBAI HAZARD
General Safety
This equipment generatesveryhighfluid pressure. Sprayfrom
the gun,leaks or rupturedcomponents can inject fluid
through yourskinand into yourbodyandcauseextremely
serious bodily injury, includingthe needfor amputation. Also,
fluid injected orsplashed intothe eyes cancauseserious
damage.
NEVER pointthespray gun or dispensing valveat anyone orat
anypart of the body. NEVER put hand or fingersover the
spray tip
or nozzle. NEVER try to"blow backmaterial: this is
NOT an air spray system.
when spraying.
If using
a spray gun, ALWAYS have the tip guard in place
ALWAYS follow the Pressure Relief Procedure, below,
before cleaningor removingthespray tip or nozzleorservicing
any system equipment.
Spray
Gun or Dispensing Valve Safety Devices
each use. Do not removeor modify any part of the gun; this
Besure all gun safetydevices areoperatingproperly before
cancause
a malfunction and result in serious bodily injury.
Safety Latch
Whenever you stop spraying, even for a moment, always set
the gun safety latch
in the closedor "safe" position, making
thegun inoperative. Failuretoset thesafetylatchcan result in
accidental triggering of the gun.
Diffuser (Spray guns only)
The gun diffuser breaksupspray and reducesthe risk of injec-
tion when the tip is not installed. Check diffuseroperation
regularly.Follow the PressureRelief Procedure, below.
thenremovethe spray tip. Aimthe gun into
a metalpail,
holding the gun firmly to.the pail. Using the lowestpossible
to an irregular stream, replacethe diffuser immediately.
pressure, trigger the gun. Ifthefluid emitted
is not diffused in-
.. .
NEVER try tostop or deflect leaks with your hand or body. ALWAYS have the tip guard In placeon the spray gun while Tip Guard (Spray guns only1
before each use.
Besure equipmentsafety devicesare operatingproperlyspraying.The tip guardalertsyou to the injection hazardand
helps prevent accidentally placing your fingers or any part of
vour bodv closetothe mrav
tin.
Medlcal Treatment
If any fluid appears to penetrateyour skin,get Spray Tip and Nozzle Safety
~" , ~ ~~~ ~~ ~~ .~ ~, ~~r
EMERGENCY MEDICAL CARE AT ONCE.
DO NOTTREAT
AS A SIMPLE CUT.
Use extremecaution when cleaningor changing spray tips or
Tell the doctor exactlvwhat fluid was iniected.For treatment nozzles. If the spraytip or nozzle clogs while spraying, engage
thegunsafetylatchimmediately. ALWAYS follow the
instructions,haveyour doctor call the
.
NATIONAL POISON CENTER NETWORK
(412)681"9
Pressure Relief Procedureand then remove the spraytip to
clean
it.
pressure is fully relieved andthe gun safety latch isengaged.
NEVER wipe off build-up around the spray tip or nozzle until
____ ~_____ ~~
Pressure Relief Procedure
To reduce the risk of seriousbodilyinjury,includinginjectionorinjury from movingparts,always follow thisprocedure
whenever youshut
off the pump, whenchecking or servicing any part ofthe spray system, when installing, cleaningor chang-
ingspray tips or nozzles, and whenever you stop spraying.
(1) Engagethe gun safety latch. 12) Shut off theair tothe pump. 13)
Closethe bleed-type masterair valvetopreventthepumpfromstarting accidentally. (41 Disengagethegunsafety latch.(5).Hold
a metal partof the gunfirmly to the sideof a metal pail, and trigger the guntorelieve pressure.161 Engagethe gunsafety latch.
(7)Openthe pumpoutlet drain valveor bleeder valve,
181 Leavethe drain valve or bleeder valve openuntilyouare readytospray
again.
j
steps above, VERY SLOWLY loosen the tip guard retainingnutor hose end coupling and relieve pressure gradually, then loosen
If you suspect that the spray tip or hose is completely clogged, or that pressure has not been fully relieved after following the
comoletelv. Now clear the ti0 or hose.
~~ ~
EQUPMENT MISUSE HAZARD
~~ ~ ~~~~
General Safety
Anymisuseof the sprayequipmentoraccessories,such as
overpressurizing, modifying parts, using incompatible Model
226-250 develops ZW psi I504 barl MAXIMUM
WORKINGPRESSURE
at 150 psi 110 barl incomingair
chemicalsandmaterials,orusing worn or damagedparts,canpressure.
cause them to ruptureand result in injection or other serious
bodilyinjury.fire,explosion or property damage. Model
226-251 develops 24w psi 1165 barl MAXIMUM
NEVER alter or modify any part of this equipment; doing so
WORKINGPRESSURE at 120 psi I8 bar)incoming air
pressure.
could cause
it to malfunction. Model
226-252 develops 4Bw psi 1230 barl MAXIMUM
CHECK allsprayequipmentregularlyandrepairorreplace WORKINGPRESSURE at 120 psi 18 bar1 incomingair
worn
or damaged pans immediately. pressure.
System Pressure Besure that a11 sprayequipmentandaccessoriesarerated to
Model
226-249 develops 4320 psi 13W barl MAXIMUM withstand the maximumworking pressureofthissprayer. DO
pressure.nent or accessoryused in the system.
WORKINGPRESSURE at 180 psi 112 bar)incomingairNOT exceed the maximum working pressure of anycompo-
2 306-839

FIRE OR EXPLOSION HAZARD
through the pump and hose. Ifevery part of the spray equip-
Static electricity is created by the high velocity flow of fluid
systemmaybecomehazardous.Sparkingmayalsooccur
ment is not properly grounded, sparking may occur, and the
when plugging
in or unplugging a power supply cord. Sparks
can ignite fumes from solvents and the fluid being sprayed,
are spraying indoors or outdoors, and can cause
a fire or ex-
dust particles and other flammable substances, whether you
plosion and serious bodily injury and property damage,
Do not
plug in or unplug any power supply cords in the sprayarea
when there is any chanceof igniting fumes still inthe air.
TO reducethe risk of static sparking, groundthe puma anda11
Grounding
othersprayequipmentusedor locited in the sprayarea,
CHECK vourlocalelectricalcode for detailedoroundinoin-
structions for your area and type of equipment. BESURE to
groundall of this spray equipment:
"~ ~ ~~ -~~~- ~.~
1. Pump: use a groundwire and clampas instructed below.
2. Air and fluid hoses: use only groundedhoseswitha mex-
imum of
500 feet(150 m) combinedhose length to en-
suregrounding continuity. Refer to HoseGrounding
Continuity.
3. Spray gun ordispensingvalve: obtain groundingthrough
sprayer.
connection to aproperlygrounded fluid hoseend
4. Objectbeing sprayed: accordingto localcode.
5. Allsolvent pails usedwhenflushing,according to local
code. Useonly metalpails, which are conductive, placed
ona positively groundedsurface.
Do notplacethe pail on
which interrupts the grounding continuity,
anon-conductivesurface,such aspaper or cardboard,
6. To maintaingroundingcontinuitywhen flushingorrefiev-
ingpressure, always hold a metalpart of thegun firmly to
the side of
a metalpail, then triggerthe gun.
hose develops
a pinhole leak. split or rupturedue to any kind
High pressurefluid
in the hoses can be very dangerous.If the
of wear, damage or misuse, the high pressure spray emitted
from
it can causean injection injuryor other seriousbodily in-
jury or property damage.
ALL FLUID HOSES MUST
HAVE SPRING GUARDS1The
spring guards helpprotect the hosefromkinks or bendsat or
close to the coupling which can result in hose rupture.
TIGHTEN allfluid connections securely before eachuse. High
pressure fluid candislodgealoosecoupling or allow high
pressure spray to be emined from the coupling.
hose for cuts, leaks,abrasion, bulging cover,ordamageor
NEVERusea damagedhose. Beforeeach ke, check entire
movement of the hose couplings. If any of these conditions
exist, replace the hose immediately.
DO NOT try to recouple
high pressure hose or mendit withtape or any other device. A
repaired hose cannot contain the high pressurefluid.
HANDLEAND ROUTEHOSESCAREFULLY. Do not pull on
hoses to moveequipment.
Do not use materialsor solvents
which are notcompatible with the innertubaand cover
of the
hose.
DO NOT exposethe hoseto temmraturesabove lW0F
(82°C) or below -4O'F (-40°C).
Hose
Grounding Continuity
surfaceof the centercore of the hose.Otherhoses on the
Graco fluid hoses have electrically conductive materialon the
marketmayhave a ground wire extending the length of the
hose. Thegroundwire can breakinusewhich
will destroy the
electricalgrounding of the hose.
To besureof continuity, checkelectricalresistance at least
onceaweek.Checkoverallresistancewhenusingmultiple
hoseassemblies. If the resistanceexceeds
29 megohms,
resistance: check with supplier.
replace
it immediately. Groundwire hose may have different
MOVlAlG PARTS HAZARD
Fig 1
Flushing Safety
Reducethe risk ofinjection injury. staticSparking, orsplashing
by following the flushingproceduregiven
in the separate
cedureon page
2, and remove the spray tip before flushing 17
pump instruction manual.Follow the Pressure ReliefPro-
side of a metalpail end usethe lowest possible fluid pressure
using
a spray gun. Hold a metal panof the gun firmly tothe
during flushing.
IMPORTANT
UnitedStates Government safety standards have been adopted under the Occupational Safety and HealthAct. Thesestandards-par-
ticularly the GeneralStandards,Part 1910, and the Construction Standards, Part 1926-should be consulted,
306-839
3

INSTALLATION
NOTE: Reference lettersandnumber in parentheses
ing. Some accessories mentioned in the text
in the text refer to Fig
2 and the parts draw-
are shown on page
6.
WARNING
perlysized to meet your system air and fluid re-
Besure all accessories are pressure-ratedand pro-
quirements.
See thefrontcoverformaximum
working .pressures. Accessorieswithalower
pressureratingthanyoursystemcouldrupture
andresultinseriousbodilyinjury.fire, orexplo-
sionandpropertydamage.Improperly sizedac-
cessories mayalsocausepoor pump perfor-
r
Ground the pumpas explained on page 3.
manifoldofthesprayer.Presidentsprayershave
Connectagroundedairsupplyhose tothe air inlet
1/2 npsm(f) airinlets,andBulldogsprayers have
3/4 npsm(f)airinlets.
The main air supply line must have a bleed-type master
air valve switch is used for relieving line pressure when
shutting
off the sprayer. An air line filter should be in-
stalled downstream from the master air valve to remove
harmful dirt and moisture from the compressed air sup-
ply. Downstream from theair filter, an air line oiler may
be installed for automaticair motor lubrication.
mance.
I Connect a groundedfluidhose to the 1" npt(f1fluid
Selectaconvenientlocationforthesprayer.Theoutletofthepump,usingasuitableadapter.Installa
accessible.Level the base usingmetalshims.
Use the
regulatorsforthepumpandtheelevatormustbefullyspraygunordispensingvalveontheotherendofthe
hose.
holes in'the base as aguide to drillholesfor 1/2 in.
(13 mm) anchors to bolt the ram to the floor. Refer to
thedimensionaldrawingsandmountingdiagramson
the back cover.
OPERATION
WARNING
when raisingorloweringtheramtoreducethe
Keep your fingers away from the inductor plate
risk of pinching your fingers.
-
Open the master air valve and set the pressure to the
ram at about
80 psi (5.5 bar). Turn the director valveto
the "up" position and let the ram go to its full height.
justedbyturningtherestrictorvalvescrew
(CI
The speed at which the ramraisesor lowers can bead-
the air volume.
See Fig 2.
clockwise to decrease or counterclockwise to increase
Set a full five gallon pail of material on the ram base,
slide
it backagainsttheramtubeandsupports,and
center under the inductor plate.
To remove air frombeneaththe inductor date.make
Removing
Air
the material surface concavebyscooping material from
the center of the pail to thesides. Then turn the director
valve
(6) tothe "down" position and lower until the in-
ductor plate is just about toenter the drum. Turn the
director valve to
"off", adjust the drum to line up with
the inductor plate and remove the probe stem (121 from
theinductorplate.
(See Ref No. 4 Detail on page 5.)
Turnthedirectorvalve to "down" andloweruntil
materialappearsat theinductorplatevent.Turnthe
directorvalve
to "off, reinstall the probe stemand
tighten securely. Refer
to Fig 2.
To prime the system and pump material, set the ramair
Priming and Pumping
the director valve (E) to "down" and
start the pump.
pressureregulator (A)at about
50 psi (3.5 bar).Turn
Referto the pump instruction manual for pump startup
tion during the pumping operation.
procedure. Keep the director valve in the "down" posi-
NOTE: Increasethe air pressuretotheram as need-
ed but
DO NOT increase it to wherethe
wiper ring
(13). See the Parts Drawing.
materialisforcedpasttheinductorplate
Changing
Pails
Tochangematerial pails, stop the pump and turn the
director valve to "up". Push in the air assistvalve (D)
and hold until the inductor plate clears the top of the
the ram base. Lower the ram and remove theair as ex-
pail. Remove the empty pail and place the full pail on
plained
in "Removing Air".
Shutdown
For shutdown, turn the director valve to
"off', shut off
the airsupply totheramandpump,andrelievethe
materialpressure.
Troubleshootingandserviceinstructions are given
in
the manuals for the separate components.
C
D
B
A
' Fig 2
4 306839

PARTS DRAWING
Model 226-249 241 President Ram Sprayer Model 226-251 20:l BulldogRem Sprayer
Series
C includes items 1-33, 42, 43 Series B includes items 2, 15, 17, 18. 20,
21,25.n. 28.33,35-40
DETAILA
Model 226-250 48:l President Ram Sprayer Model 226-252 4O:l Bulldog Ram Sprayer
Series
C includes items 1, 2, 4-34, 42, 43 Series B includes items 2, 4-13, 15, 17, 18,
20. 21. 25. 27. 28. 33. 35, 36. 41
27.18
36
27.18
L31
ADAPTER PLATEDETAIL DETAILA
/President Sprayers on&l
Ref No. 4
306-839 5

PARTS LIST
Model 226-249 241 PresidentRam UnitModel 226-251 20:l BulldogRam Unit
21.25.27.
28.33,35-40
Series "C includesitems 1, 2, 4-34. 42, 43 Model 226-257. 4O:l BulldogRam Unit
Series "C" includesitems1-33,42,
43 Series "6" includesitems 2, 15, 17, 18, 20,
Model 226-250 48:l PresidentRam Unit
Series
"B" includesitems 2, 4-13, 15,17,18,
20. 21. 25. 27. 28. 33, 35. 36, 41
REF PART DESCRIPTION
NO.NO.
QTY REF PART DESCRIPTION
NO.NO.
QTY
1
2
3
4
5
6
7
8
9
10
11
13
12
14
15
16
17
18
19
20
21
22
23
24
25
26
104-266
206-450
206-738
206-745
206-746
100-556
100-799
177-542
101-831
*160-721
"160-343
166-560
167-594
206-749
206-994
maw
100-040
100-055
100-057
100-101
100-133
100-214
100-4w
100-721
100-839
100-960
AIRREGULATOR
see
307-204 for parts
RAM,
5 gallon size
see
306.838 for parts
241 PRESIDENTPUMP
see
306.746 for parts
INDUCTORPLATEASSY
includes items
513
. PLATE, inductor;bare
.SCREW, SOC hdset;
. SCREW, rd hd mach;
.HANDLE,probe stem
. ROLLPIN: 3/16 dia; 314 Ig
. CLAMP,wiperring seal
. O-RING, nitrilerubber
5/16-18 x 318
1/4-20 x 1 12
.. STFM nrohe
HOSE,air;cpld 114 x 1/8 npthbe);
.WIPER, follow plate
114 ID; 361914 mml long
THROAT SEAL LIQUID ITSLl
1 pint (0.47 liter)
(see
307-068 for service1
BALL VALVE
SCREW, type
"u" drive;
PLUG,pipe;
sq hd
No.
6 x 114
3/8-16
x 314
SCREW,hex hdcap;
SCREW,hex hdcap;
1" ig
LOCKWASHER,spring;
318 screw size
LOCKWASHER,spring;
5/16 screw size
PLUG,pipe;
sq hd; 118 npt
PLUG,pipe; sloned hd;
114 npt
ELBOW,
90' street; 118 npt
0-200 psi(0-14 bar)
GAUGE, air pressure:
1
1
1
1
1
2
8
1
1
1
1
1
1
1
1
1
1
2
-3
4
4
3
2
1
27150-707 PLATE,serial
28 155-541 UNION, 90" swivel;
1
.
29 158-256 UNION,swivel; 3/8" npsm (f)
114 npt Im x f) 1
x 1/2 npt (ml 1
Model 226-949 1
31162-225
PLATE, adapter
Model
22E-950 only 1
32 162-376 MANIFOLD,air
1'
33 165-741 HOSE,air; cpld 118 npt (mbe);
1
114
ID; 24" (610 mm) Ig
34 206-73948.1 PRESIDENTPUMP
1
35200-118
HOSE,air; cpld 114 npt (mbe);
see 306746 for parts 1
114 ID: 32(813 mm) Ig
36 205-712 AIRREGULATOR KIT
1
mj
100-081 BUSHING, 1/2 x 3/8 npt; 3/4" Ig
158-212 BUSHING: 1/2 x 3/8 npt; 1-1/16" Ig
37206-7402O:l BULLDOGPUMP
see
306.972 for parts 1
see 306-584 for parts
38 206-747 INDUCTORPLATEASSY
1
39 206-748 .INDUCTORPLATE,bare
includesitems
6-10,12,13,39, 40 1
40 '162-440 . O-RING; nitrilerubber
1
41206-741 40:l
BULLDOGPUMP
1
42155-699 ELBOW, 90'. street: 3/8 npth x f) 1
1
43 100-840 ELBOW, 90". street; 1/4 npth x fl 1
306 & 307 Numbers in description referto separate instruction
manuals.
see 306534 for parts
Wecommended"*toolbox"spareparts.Keeponhand to
reduce down time.
i Orderparts by nameandnumber.Alwaysgivethemodel
numberandseries letter of the assembly for which
you are
1 ordering.
SERVICE INFORMATION
and ADDED pans.
Listed below by the assembly changedare OLD, NEW
ASSEMBLY NAME
NO.
NO.
PART
REF
STATUS CHANGED PART
206747
206-745 &
Plate
Inductor
Handle
101-830 Handle
171-542
8 NEW
OLD
I
226250
FinalAssv.ADDED
I ADDED
1 43 I lW-640 I Elbow
42 155-699Elbow
I
226-949
NEW
Final Assy.
OLD
~~
158-212
Bushing
100-081 : 30
Bushing
ADDED Elbow1W-EA0
43
ADDED
Elbow
155-699
42
I I
INTERCHANGEABILITY NOTE: NEW part replaces
OLD part.
I I I
I
6 306-839

ACCESSORIES
(Must bepurchase
AIR LINE FILTER
250 psi (17.5 barl MAXIMUM WORKING PRESSURE
106-150 1" nptinletandoutlet
106-1491/2nptinletandoutlet
AIR LINE OILER
214-8481/2nptinletandoutlet
214-849 3/4 npt inlet and outlet
GROUNDED AIR SUPPLY HOSE
175 PSI (12 barl MAXIMUM WORKING PRESSURE
3/4 npthbe),3/4" ID
208-610 6
ft (1.8 rn)
205-548 15 ft (4.6 rn)
208-611 25 ft (7.6 rn)
208-612 50 ft (15.2 rn)
205-4186 ft (1.8 rn)
1/2 npt(rnbe1, 1/2" ID
205-216 15 ft (4.6
rn)
205-273
25 ft (7.6 rn)
208-594 50 ft (15.2 rn)
306-839 7

DIMENSIONAL DRAWING
Models 226-249 Et 226-w) Models 226-251 Et 226-252
Weight: 140 Ib I64 kg1 Model 226249
145 Ib 166 kg) Model 226-250
.'/eight: 182 Ib 183 kg1
TECHNICAL DATA
Refertothe separateinstructionmanuals foreach
component.
THE GRACO WARRANTY
Graco Inc. warrants all equipment manufactured by it and beaing itsname to befree from defectsin
material and workmanship under normaluse and service. Thiswarrantyextendstothe original purchaser
for a periodof 12 monthsfrom thedate of purchase and appliesonlywhentheequipmentisinstalled and
wear which, in the reasonable judgmentof Graco, arises from misuse, abrasion, corrosion, negligence,
operatedinaccordancewith written factory recommendations. Thiswarrantydoes notcover damage or
accident. substitution of non-Graco parts. faulty installation or tampering.
This warranty is conditioned upon theprepaid return of the equipmentclaimed to bedefectivefor
examination by Graco to verify the claimed defect. If the claimed defect is verified. Graco will repair 01
replacefree of charge. eny defective Pam. The equipment will be returnedto the original purchaser
transportationprepaid. If inspection of the equipment does not disclose any defect inworkmanship or
material, repairs will be made at a reasonable charge and return transportationwill be charged.
by GI~CO that are notmanufacturedby Graco (such as electric motors, switches,hose, etc.) are subject
EQUIPMENT NOT COVERED BY GRACO WARRANTY. Accessories or components of equipment sold
tothewarranty. If any. of their manufacturer. Gracowillprovide purchaserwith reasonable assistancein
making such claims.
Subsidiary and Affiliate Companies: Canada; England; Switzerland; France; Germany; Hong Kong; Japan
Factory Branches: Atlanta, Dallas. Detroit, Los Angelea. Weat Galdwell 1N.J.)
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 5"4U
PRINTEDIN USA. r)ga3Q bb4 Revisad &84