For professional use only.
Not approved for use in explosive atmosphere or hazardous locations.
For portable airless spraying of architectural paints and coatings.
3300 psi (22.8 MPa, 228 bar) Maximum Working Pressure
See page 3 for model information, including maximum working pressure and approvals.
Important Safety Instructions
Read all warnings and instructions in this manual and in related manuals.
Be familiar with the controls and the proper usage of the equipment.
Save these instructions.
Related Manuals:
311861 GH130/200 Gun 334654Pump
311254 GH230/300 Gun310812Electric Motor
\
EN
Standard Series
Use only genuine Graco replacement parts.
The use of non-Graco replacement parts may void warranty.
*Performance is limited when using electric motor vs gas engine
OEM Kits
Kit NumberOEM ModelDescription
24W297GH130 OEM3300 psi (22.8 MPa, 228 bar) Maximum Working Pressure (psi)
24W298GH200 OEM3300 psi (22.8 MPa, 228 bar) Maximum Working Pressure (psi)
24W299GH230/300 OEM3330 psi (22.8 MPa, 228 bar) Maximum Working Pressure (psi)
334558B3
Warnings
WARNING
120V US
230V
Warnings
The following warnings are for the setup, use, grounding, maintenance, and repair of this
equipment. The exclamation point symbol alerts you to a general warning and the hazard
symbols refer to procedure-specific risks. When these symbols appear in the body of this
manual or on warning labels, refer back to these Warnings. Product-specific hazard symbols
and warnings not covered in this section may appear throughout the body of this manual where
applicable.
Electric Motor Warnings
GROUNDING
This product must be grounded. In the event of an electrical short circuit, grounding
reduces the risk of electric shock by providing an escape wire for the electric
current. This product is equipped with a cord having a grounding wire with an
appropriate grounding plug. The plug must be plugged into an outlet that is
properly installed and grounded in accordance with all local cod es and ordinances.
• Improper installation of the grounding plug is able to result in a risk of electric
shock.
• When repair or replacement of the cord or plug is required, do not connect the
grounding wire to either flat blade terminal.
• The wire with insulation having an outer surface that is green with or without
yellow stripes is the grounding wire.
• Check with a qualified electrician or serviceman when the grounding
instructions are not completely understood, or when in doubt as to whether the
product is properly grounded.
• Do not modify the plug provided; if it does not fit the outlet, have the proper
outlet installed by a qualified electrician.
• This product is for use on a nominal 120V or 230V circuit and has a grounding
plug similar to the plugs illustrated in the figure below.
• Only connect the product to an outlet having the same configuration as the
plug.
• Do not use an adapter with this product.
• Extension Cords:
• Use only a 3-wire extension cord that has a grounding plug and a grounding
receptacle that accepts the plug on the product.
• Make sure your extension cord is not damaged. If an extension cord is
4334558B
necessary, use 12 AWG (2.5 mm
product draws.
• An undersized cord results in a drop in line voltage and loss of power and
overheating.
2
) minimum to carry the current that the
Warnings
WARNING
FIRE AND EXPLOSION HAZARD
Flammable fumes, such as solvent and paint fumes, in work area can ignite or
explode. To help prevent fire and explosion:
• Do not spray flammable or combustible materials near an open flame or
sources of ignition such as cigarettes, motors, and electrical equipment.
• Paint or solvent flowing through the equipment is able to result in static
electricity. Static electricity creates a risk of fire or explosion in the presence
of paint or solvent fumes. All parts of the spray system, including the pump,
hose assembly, spray gun, and objects in and around the spray area shall be
properly grounded to protect against static discharge and sparks. Use Graco
conductive or grounded high-pressure airless paint sprayer hoses.
• Verify that all containers and collection systems are grounded to prevent static
discharge. Do not use pail liners unless they are antistatic or conductive.
• Connect to a grounded outlet and use grounded extensions cords. Do not use
a 3-to-2 adapter.
• Do not use a paint or a solvent containing halogenated hydrocarbons.
• Do not spray flammable or combustible liquids in a confined area.
• Keep spray area well-ventilated. Keep a good supply of fresh air moving
through the area.
• Sprayer generates sparks. Keep pump assembly in a well ventilated area at
least 20 feet (6.1 m) from the spray area when spray ing , flushing , cleaning , or servic ing . Do not spray pump assembly.
• Do not smoke in the spray area or spray where sparks or flame is present.
• Do not operate light switches, engines, or similar spark producing products in
the spray area.
• Keep area clean and free of paint or solvent containers, rags, and other
flammable materials.
• Know the contents of the paints and solvents being sprayed. Read all Material
Safety Data Sheets (MSDS) and container labels provided with the paints and
solvents. Follow the paint and solvents manufacturer’s safety instructions.
• Fire extinguisher equipment shall be present and working.
ELECTRIC SHOCK HAZARD
\
This equipment must be grounded. Improper grounding, setup, or usage of the
system can cause electric shock.
• Turn off and disconnect power cord before servicing equipment.
• Connect only to grounded electrical outlets.
• Use only 3-wire extension cords.
• Ensure ground prongs are intact on power and extension cords.
• Do not expose to rain. Store indoors.
• Wait five minutes after disconnecting power cord before servicing large
capacitor units.
334558B5
Warnings
WARNING
Gas Engine Warnings
FIRE AND EXPLOSION HAZARD
Flammable fumes, such as solvent and paint fumes, in work area can ignite or
explode. To help prevent fire and explosion:
• Use equipment only in well ventilated area.
• Do not fill fuel tank while engine is running or hot; shut off engine and let it cool.
Fuel is flammable and can ignite or explode if spilled on hot surface.
• Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric
lamps, and plastic drop cloths (potential static arc).
• Keep work area free of debris, including solvent, rags and gasoline.
• Do not plug or unplug power cords, or turn power or light switches on or off
when flammable fumes are present.
• Ground all equipment in the work area. See Grounding instructions.
• Use only grounded hoses.
• Hold gun firmly to side of grounded pail when triggering into pail. Do not use
pail liners unless they are antistatic or conductive.
• Stop operation immediately if static sparking occurs or you feel a shock. Do
not use equipment until you identify and correct the problem.
• Keep a working fire extinguisher in the work area.
CARBON MONOXIDE HAZARD
Exhaust contains poisonous carbon monoxide, which is colorless and odorless.
Breathing carbon monoxide can cause death.
• Do not operate in an enclosed area.
BURN HAZARD
Equipment surfaces and fluid that is heated can become very hot during operation.
To avoid severe burns:
• Do not touch hot fluid or equipment.
6334558B
Electric Motor/Gas Engine Warnings
WARNING
SKIN INJECTION HAZARD
High-pressure spray is able to inject toxins into the body and cause serious bodily
injury. In the event that injection occurs, get immediate surgical treatment.
• Do not aim the gun at, or spray any person or animal.
• Keep hands and other body parts away from the discharge. For example, do
not try to stop leaks with any part of the body.
• Always use the nozzle tip guard. Do not spray without nozzle tip guard in place.
• Use Graco nozzle tips.
• Use caution when cleaning and changing nozzle tips. In the case where the
nozzle tip clogs while spraying, follow the Pressure Relief Procedure for
turning off the unit and relieving the pressure before removing the nozzle tip
to clean.
• Eq uipm ent maintains pressure after power is shut off. Do not leave the
equipment energized or under pressure while unattended. Fo llow the
Pressure Relief Pro c edure w hen the eq uipm ent is unattended or no t in use,
and befo re servic ing , cleaning , or rem o ving parts.
• Check hoses and parts for signs of damage. Replace any damaged hoses or
parts.
• This system is capable of producing 3300 psi (22.8 MPa, 228 bar). Use Graco
replacement parts or accessories that are rated a minimum of 3300 psi (22.8
MPa, 228 bar).
• Always engage the trigger lock when not spraying. Verify the trigger lock is
functioning properly.
• Verify that all connections are secure before operating the unit.
• Know how to stop the unit and bleed pressure quickly. Be thoroughly familiar
with the controls.
Warnings
334558B7
Warnings
WARNING
EQUIPMENT MISUSE HAZARD
Misuse can cause death or serious injury.
• Always wear appropriate gloves, eye protection, and a respirator or mask
when painting.
• Do not operate or spray near children. Keep children away from equipment at
all times.
• Do not overreach or stand on an unstable support. Keep effective footing and
balance at all times.
• Stay alert and watch what you are doing.
• Do not operate the unit when fatigued or under the influence of drugs or
alcohol.
• Do not kink or over-bend the hose.
• Do not expose the hose to temperatures or to pressures in excess of those
specified by Graco.
• Do not use the hose as a strength member to pull or lift the equipment.
• Do not spray with a hose shorter than 25 feet.
• Do not alter or modify equipment. Alterations or modifications may void agency
approvals and create safety hazards.
• Make sure all equipment is rated and approved for the environment in which
you are using it.
PRESSURIZED ALUMINUM PARTS HAZARD
Use of fluids that are incompatible with aluminum in pressurized equipment can
cause serious chemical reaction and equipment rupture. Failure to follow this
warning can result in death, serious injury, or property damage.
• Do not use 1,1,1-trichloroethane, methylene chloride, other halogenated
hydrocarbon solvents or fluids containing such solvents.
• Do not use chlorine bleach.
• Many other fluids may contain chemicals that can react with aluminum.
Contact your material supplier for compatibility.
MOVING PARTS HAZARD
Moving parts can pinch, cut or amputate fingers and other body parts.
• Keep clear of moving parts.
• Do not operate equipment with protective guards or covers removed.
• Pressurized equipment can start without warning. Before checking, moving, or
servicing equipment, follow the Pressure Relief Procedure and disconnect
all power sources.
8334558B
Warnings
WARNING
ENTANGLEMENT HAZARD
Rotating parts can cause serious injury.
• Keep clear of moving parts.
• Do not operate equipment with protective guards or covers removed.
• Do not wear loose clothing, jewelry or long hair while operating equipment.
• Equipment can start without warning. Before checking, moving, or servicing
equipment, follow the Pressure Relief Procedure and disconnect all power
sources.
TOXIC FLUID OR FUMES HAZARD
Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or
on skin, inhaled, or swallowed.
• Read MSDSs to know the specific hazards of the fluids you are using.
• Store hazardous fluid in approved containers, and dispose of it according to
applicable guidelines.
RECOIL HAZARD
Gun may recoil when triggered. If you are not standing securely, you could fall and
be seriously injured.
PERSONAL PROTECTIVE EQUIPMENT
Wear appropriate protective equipment when in the work area to help prevent
serious injury, including eye injury, hearing loss, inhalation of toxic fumes, and
burns. Protective equipment includes but is not limited to:
• Protective eyewear, and hearing protection.
• Respirators, protective clothing, and gloves as recommended by the fluid and
solvent manufacturer.
CALIFORNIA PROPOSITION 65
The engine exhaust from this product contains a chemical known to the State of
California to cause cancer, birth defects or other reproductive harm.
This product contains a chemical known to the State of California to cause cancer,
birth defects or other reproductive harm. Wash hands after handling.
334558B9
Component Identification
2.
11.
12.
9.
1.
10.
OFF
ON
3.
bar/MPa
PSI
on
off
5.
4.
6.
7.
ti25105a
8.
13.
14.
15.
9.
Component Identification
Standard Models (GH130, GH200, GH230, GH300)
8Displacement Pump
1Engine Controls
2Hydraulic Oil Cap / Dipstick
3Pressure Control
4Grounding Clamp
5Threaded Pump Connection
6Hydraulic Pump Valve
7Inlet Strainer
10334558B
9Serial Number Tag (2 places)
10Electric Motor On/Off Switch
11GunTrigger Lock
12Prime/Drain Valve
13Easy Out™ Paint Filter
14Hydraulic Oil Filter
15Engine On/Off Switch
Component Identification
2.
12.
9.
1.
10.
OFF
ON
3.
bar/MPa
PSI
14.
on
off
5.
6.
7.
ti25106a
11.
4.
8.
13.
15.
16.
17.
11.
Component Identification
ProContractor Models (GH200, GH230, GH300)
1Engine Controls
2Hydraulic Oil Cap / Dipstick
3Pressure Control
4Hydraulic Pump Valve
5Hose Reel Handle
6Hose Reel Lock
7Grounding Clamp
8ProConnect
334558B11
9Inlet Strainer
10Displacement Pump
11Serial Number Tag (2 places)
12Electric Motor On/Off Switch
13GunTrigger Lock
14Prime/Drain Valve
15Easy Out™ Paint Filter
16Hydraulic Oil Filter
17Engine On/Off Switch
Component Identification
WLD
Grounding Procedure for
Gas Engine
The equipment must be grounded to
reduce the risk of static sparking. Static
sparking can cause fumes to ignite or
explode. Grounding provides an escape
wire for the electric current.
To ground sprayer: Attach sprayer
grounding clamp to earth ground.
Air and fluid hoses: Use only electrically
conductive hoses with a maximum of 500ft.
(150 m) combined hose length to ensure
grounding continuity. Check electrical
resistance of hoses. If total resistance to
ground exceeds 29 megaohms, replace hose
immediately.
Spray gun: Ground through connection to a
properly grounded fluid hose and pump.
Grounding Procedure for
Electric Motor
The equipment must be grounded to
reduce the risk of static sparking and
electric shock. An electric or static spark
can cause fumes to ignite or explode. An
improper ground can cause electric
shock. A good ground provides an escape
wire for the electric current.
If using the electric motor, plug must be
plugged into an actual outlet that is properly
installed and grounded in accordance with all
local codes and ordinances.
Do not modify the plug provided; if it does not
fit the outlet, have the proper outlet installed
by a qualified electrician.
Power Requirements
•110-120V units require 100-120 VAC,
50/60 Hz, 15A, 1 phase.
•230V units require 230 VAC, 50/60 Hz,
16A, 1 phase
Extension Cords
Use an extension cord with an undamaged
ground contact. If an extension cord is
necessary, use a 3-wire, 12 AWG (2.5 mm²)
minimum.
NOTE: Smaller gauge or longer extension
cords may reduce sprayer performance.
12334558B
Pressure Relief Procedure
ti25360a
Grounding of Pails
Solvent pails used when flushing: Follow
local code. Use only conductive metal pails,
placed on a grounded surface. Do not place
the pail on a non-conductive surface, such as
paper or cardboard, which interrupts
grounding continuity.
Alwaysground a metal pail: connect a
ground wire to the pail. Clamp one end to the
pail and the other end to a true earth ground
such as a water pipe.
To maintain ground continuity when
sprayer is flushed or pressure is relieved:
hold metal part of spray gun firmly to the side
of a grounded metal pail then trigger the gun.
Pressure Relief Procedure
Follow the Pressure Relief
Procedure whenever you see this
symbol.
This equipment stays pressurized until
pressure is manually relieved. To help
prevent serious injury from pressurized
fluid, such as skin injection, splashing fluid
and moving parts, follow the Pressure
Relief Procedure when you stop spraying
and before cleaning, checking, or
servicing the equipment.
1.Engage trigger lock.
2.Turn gas engine or electric motor
ON/OFF switch to OFF. Unplug power
cord to electric motor.
3.Move pump valve to OFF and turn
pressure control knob fully
counterclockwise to lowest setting.
4.Disengage trigger lock. Hold metal part
of gun firmly to side of grounded metal
pail, and trigger gun to relieve pressure.
5.Engage gun trigger lock.
6.Turn prime valve down to DRAIN
position. Leave prime valve down until
ready to spray again.
7.If you suspect the spray tip or hose is
clogged or that pressure has not been
fully relieved:
a.VERY SLOWLY loosen tip guard
retaining nut or hose end coupling to
relieve pressure gradually.
b.Loosen nut or coupling completely.
c.Clear hose or tip obstruction.
334558B13
Setup
WLE
ti5382a
ti5405a
OFF
ON
ti5384a
ti5235a
WLD
WLD
ti5387a
ti5389a
Setup
Change Engine or Motor
1Turn motor OFF and unplug or turn
engine switch OFF. Loosen belt guard
knob and motor clamp. Perform
Pressure Relief Procedure, page 13.
5.ProContractor Series: Install inlet
strainer into bottom of suction tube,
place inlet nut over end and hand tighten
securely.
Standard Series: Screw inlet strainer to
bottom of suction hose and hand tighten
securely.
ti9126a
6.When spraying texture, remove inlet
strainer and filter bowl screen.
ti8840a
3.Engage gun trigger lock.
4.Remove Tip Guard.
334558B15
Setup
Safe Range (cold)
ti5243a
WLD
$SSUR[LPDWH
)LOO/HYHO
WLD
FROG
WLD
ti5242a
7.Fill throat packing nut with TSL to
prevent premature packing wear. Do this
each time you spray.
8.Check engine oil level.
9.Fill fuel tank.
10. Check hydraulic oil level. Add Graco
Hydraulic Oil, ISO Grade 46, 169236 (5
gallon/18.9 liter) or 207428 (1 gallon/3.8
liter). Hydraulic tank capacity is 1.25
gallon (4.75 liters).
11. Attach sprayer grounding clamp to earth
ground.
16334558B
Startup
PAINT
FLUSH
WLD
WLE
ti8689a
ti5248a
ti5249a
ti5250a
ti4296b
1.Place suction tube and drain tube in
grounded metal pail partially filled with
flushing fluid. Attach ground wire to pail
and to earth ground.
2.Turn prime valve down to DRAIN
position. Turn pressure control
counterclockwise to lowest pressure.
Startup
4.If using electric motor, plug cord into
outlet and turn switch to ON.
5.If using gas engine, start engine.
a.Move fuel valve to open.
b.Move choke to closed.
c.Set throttle to fast.
3.Set hydraulic pump valve OFF.
334558B17
Startup
ti5263a
ti5264a
ti5251a
ti9687a
15
SEC
WLE
ti22818a
WLD
ti5262a
d.Set engine switch to ON.
e.Pull starter rope.
f.After engine starts, move choke to
open.
h.Set hydraulic pump valve ON
(hydraulic motor is now active).
6.Increase pressure enough to start
hydraulic motor stroking and allow fluid
to circulate for 15 seconds; turn pressure
down, turn prime valve horizontal.
7.Disengage spray gun trigger lock.
8.Hold gun against grounded metal
flushing pail. Trigger gun and increase
fluid pressure slowly until pump runs
g.Set throttle to desired setting.
smoothly. Release trigger and allow
sprayer to build pressure. Engage
trigger lock.
FLUSH
18334558B
High-pressure spray is able to inject toxins
FLUSH
WLD
into the body and cause serious bodily
injury. Do not stop leaks with hand or rag.
9.Inspect for leaks. If leaks occur, turn
sprayer OFF immediately. Perform
Pressure Relief Procedure, page 13.
Tighten leaky fittings. Repeat Startup
procedure steps 2-8. If no leaks,
continue to trigger gun until system is
thoroughly flushed.
10. Place siphon tube in paint pail.
PAINT
Startup
ti5255a
11. Trigger gun again into flushing fluid pail
until paint appears.
1.Spray test pattern. Increase pressure to
eliminate heavy edges. Use smaller tip
size if pressure adjustment can not
eliminate heavy edges.
2.Hold gun perpendicular, 10-12 in. (25-30
cm) from surface. Spray back and forth.
Overlap by 50%. Trigger gun after
moving and release before stopping.
3.Remove siphon tube set from paint and
place in flushing fluid. Use water for
water-based paint and mineral spirits for
oil based paint.
4.Turn engine ON and start engine or plug
motor in and turn ON. Turn hydraulic
pump valve ON. Turn prime valve to
SPRAY position.
5.Hold gun against pail. Disengage trigger
lock. Turn pressure control up until motor
begins to drive pump. Trigger gun until
flushing fluid appears.
6.Move gun to waste pail, hold gun against
pail, trigger gun to thoroughly flush
system. Release trigger and engage
trigger lock.
FLUSH
WLD
7.While continuing to trigger gun, turn
prime valve down. Then release gun
trigger. Allow flushing fluid to circulate
until fluid comes out of drain tube clear.
22334558B
Clean Up
PAINT
FLUSH
WLE
ti8692a
ti15018a
ti9127a
ti2776a
8.Raise siphon tube above flushing fluid
and run sprayer for 15 to 30 seconds to
drain fluid. Turn hydraulic valve OFF.
Turn engine OFF or turn electric motor
OFF and unplug.
9.Engage trigger lock. Remove filters from
gun and sprayer, if installed. Clean and
inspect. Reinstall filters.
10. Depending on model, either remove nut
and inlet strainer screen from bottom of
suction tube, or unscrew and remove
inlet strainer. Clean and replace strainer
screen if necessary. Reassemble.
ti8840a
11. If flushing with water, flush again with
mineral spirits, or Pump Armor, to leave
a protective coating to prevent freezing
or corrosion.
12. Wipe sprayer, hose and gun with a rag
soaked in water or mineral spirits.
334558B23
Maintenance
Maintenance
NOTE: For detailed engine maintenance and
specifications, refer to separate Honda
Engines Owner’s Manual, supplied.
DAILY: Check engine oil level and fill as
necessary.
DAILY: Check hydraulic oil level and fill as
necessary.
DAILY: Check hose for wear and damage.
DAILY: Check gun trigger lock for proper
operation.
DAILY: Check prime/drain valve for proper
operation.
DAILY: Check and fill the gas tank.
DAILY: Check that displacement pump is
tight.
DAILY: Check level of Throat Seal Liquid
(TSL) in displacement pump packing nut. Fill
nut, if necessary. Keep TSL in nut to help
prevent fluid buildup on piston rod and
premature wear of packings and pump
corrosion.
AFTER THE FIRST 20 HOURS OF
OPERATION: Drain engine oil and refill with
WEEKLY: Remove engine air filter cover and
clean element. Replace element, if
necessary. If operating in an unusually dusty
environment: check filter daily and replace, if
necessary.
Replacement elements can be purchased
from your local HONDA dealer.
WEEKLY/DAILY: Remove any debris or
media from hydraulic rod.
AFTER EACH 100 HOURS OF
OPERATION: Change engine oil. Reference
Honda Engines Owner's Manual for correct
oil viscosity.
SEMI-ANNUALLY: Check belt wear.
Replace if necessary.
YEARLY OR 2000 HOURS: Replace
hydraulic oil and filter with Graco hydraulic oil
169236 (5 gallon/20 liter) or 207428 (1
gallon/3.8 liter) and filter 116909.
Replace belt.
SPARK PLUG: Use only BPR6ES (NGK) or
W20EPR-U (NIPPONDENSO) plug. Gap
plug to 0.028 to 0.031 in. (0.7 to 0.8 mm). use
spark plug wrench when installing and
removing plug.
24334558B
Troubleshooting
ProblemCauseSolution
Troubleshooting
Gas engine pulls hard (won’t
start)
Gas engine does not startSwitch OFF, low oil, no gasolineConsult engine manual
Gas engine does not work
properly
Gas engine operates, but
displacement pump does not
operate
Displacement pump operates,
but output is low on upstroke
Hydraulic pressure is too highTurn hydraulic pressure knob
Fuel shut off valve closedOpen fuel shut off valve
Faulty engineConsult engine manual
ElevationRefer to Engine Repair Kit, 4.0
Hydraulic pump valve is OFFSet hydraulic pump valve ON
Pressure setting too lowIncrease pressure, page 18
Displacement pump outlet filter
(if used) is dirty or clogged
Tip or tip filter (if used) is
clogged
Hydraulic fluid too lowShut off sprayer. Add fluid*. See
Belt worn or broken or offReplace.
Hydraulic pump worn or
damaged
Dried paint seized paint pump
rod
Hydraulic motor not shiftingSet pump valve OFF. Turn
Piston ball check not seating
properly
Piston packings worn or
damaged
counterclockwise to lowest
setting
hp - 288678 / 5.5 hp - 248943 /
6/5 hp - 248944 / 9.0 hp 248945
Clean the filter
Remove tip and/or filter and
clean
page 16
Bring sprayer to Graco
distributor for repair
Service pump. See manual
334654
pressure down. Turn engine
OFF. Pry rod up or down until
hydraulic motor shifts.
Service piston ball check. See
manual 334654
Replace packings. See manual
334654
334558B25
Troubleshooting
ProblemCauseSolution
Displacement pump operates,
but output is low on down stroke
and/or on both strokes
Paint leaks and runs over side of
wet cup
Excessive leakage around
hydraulic motor piston rod wiper
Fluid delivery is lowPressure setting too lowIncrease pressure, page 18
The sprayer overheatsPaint buildup on hydraulic
Spitting from gunAir in fluid pump or hoseCheck for loose connections on
Electric motor does not operatePower switch is not ONTurn power switch ON
*Check hydraulic fluid level often. Do no allow it to become too low. Use only Graco hydraulic fluid, page 16.
Piston packings worn or
damaged
Intake valve ball check not
seating properly
Suction tube air leak
Hydraulic oil filter is dirtyReplace filter.
Loose wet cupTighten wet cup enough to stop
Throat packings worn or
damaged
Piston rod seal worn or
damaged
Displacement pump outlet filter
(if used) is dirty or clogged
Contractor gun filter (if used) is
dirty or clogged
Intake line to pump inlet is not
tight
Hydraulic motor is worn or
damaged
Large pressure drop in fluid
hose
components
Oil level is lowFill with oil. See page 16
Loose intake suctionTighten
Fluid supply is low or emptyRefill supply container
Tripped circuit breakerCheck circuit breaker at power
Tighten packing nut or replace
packings. See manual 334654
Service intake valve ball check.
See manual 334654
leakage
Replace packings. See manual
334654
Replace these parts. See
manual 334654
Clean or replace.
Clean or replace.
Tighten.
Bring sprayer to Graco
distributor for repair.
Reduce length or increase
diameter.
Clean
siphon assembly, tighten, then
reprime pump
See page 16
source. Reset motor switch
26334558B
Standard Series Pump
ti2272a
ti2272c
ti2272b
ti2272d
Standard Series Pump
Removal
See pump manual 334654 for pump repair.
1.Flush pump.
2.Perform Pressure Relief Procedure,
page 13.
3.Remove suction tube and paint hose
(remove at swivel end).
4.Push retaining ring up; push out pin.
5.Loosen jam nut. Unscrew pump.
Installation
NOTICE
If pump jam nut loosens during operation,
the threads of the bearing housing and
drive train will be damaged. Tighten jam
nut as specified.
1.Screw jam nut to bottom of pump
threads. Screw pump completely into
manifold. Unscrew pump from manifold
until pump outlet aligns with hose. Hand
tighten jam nut, then tap 1/8 to 1/4 turn
with hammer.
334558B27
ProContractor Series Pump
ti8827a
ti8828a
ti2272e
ti2272f
ProContractor
Series Pump
If pin is loose, parts could break off and
project through the air, resulting in serious
injury or property damage. Make sure pin
is properly installed.
2.Slowly pull engine starter rope until
pump rod pin hole is aligned with
hydraulic rod hole. Push pin into hole.
Push retaining ring into groove.
3.Fill packing nut with Graco TSL.
Removal
See pump manual 334654 for pump repair.
1.Flush pump.
2.Perform Pressure Relief Procedure,
page 13.
3.Remove suction hose.
4.Remove paint hose fitting and paint hose
from pump fitting.
28334558B
ProContractor Series Pump
ti8829a
ti8830a
ti8831a
ti8833a
ti8832a
ti8834a
5.Slide coupler cover up to fully expose rod
couplers.
6.Remove rod couplers.
7.Remove pin.
8.Open clamp.
9.Remove pump from unit.
Installation
1.If needed, place pump rod in adjustment
casting and pull pump to extend rod.
NOTE: Support pump with your hand before
opening t-handle.
Mounting Screw (4),
Socket Cap Screw 1in.
3/8-16 UNC
Paint Outlet,
3/8-18 NPT Male
Paint Suction Fitting,
1.312-12 UN-2A Male
GH130 OEM
GH200 OEM
GH230/300 OEM
Technical Data
334558B63
Graco Standard Warranty
Graco Standard Warranty
Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing
its name to be free from defects in material and workmanship on the date of sale to the original purchaser
for use. With the exception of any special, extended, or limited warranty published by Graco, Graco will,
for a period of twelve months from the date of sale, repair or replace any part of the equipment
determined by Graco to be defective. This warranty applies only when the equipment is installed,
operated and maintained in accordance with Graco’s written recommendations.
This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction,
damage or wear caused by faulty installation, misapplication, abrasion, corrosion, inadequate or
improper maintenance, negligence, accident, tampering, or substitution of non-Graco component parts.
Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility of Graco
equipment with structures, accessories, equipment or materials not supplied by Graco, or the improper
design, manufacture, installation, operation or maintenance of structures, accessories, equipment or
materials not supplied by Graco.
This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an
authorized Graco distributor for verification of the claimed defect. If the claimed defect is verified, Graco
will repair or replace free of charge any defective parts. The equipment will be returned to the original
purchaser transportation prepaid. If inspection of the equipment does not disclose any defect in material
or workmanship, repairs will be made at a reasonable charge, which charges may include the costs of
parts, labor, and transportation.
THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY
OF FITNESS FOR A PARTICULAR PURPOSE.
Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above.
The buyer agrees that no other remedy (including, but not limited to, incidental or consequential
damages for lost profits, lost sales, injury to person or property, or any other incidental or consequential
loss) shall be available. Any action for breach of warranty must be brought within two (2) years of the
date of sale.
GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IN CONNECTION WITH
ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS SOLD BUT NOT MANUFACTURED
BY GRACO. These items sold, but not manufactured by Graco (such as electric motors, switches, hose,
etc.), are subject to the warranty, if any, of their manufacturer. Graco will provide purchaser with
reasonable assistance in making any claim for breach of these warranties.
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from
Graco supplying equipment hereunder, or the furnishing, performance, or use of any products or other
goods sold hereto, whether due to a breach of contract, breach of warranty, the negligence of Graco, or
otherwise.
FOR GRACO CANADA CUSTOMERS
The Parties acknowledge that they have required that the present document, as well as all documents,
notices and legal proceedings entered into, given or instituted pursuant hereto or relating directly or
indirectly hereto, be drawn up in English. Les parties reconnaissent avoir convenu que la rédaction du
présente document sera en Anglais, ainsi que tous documents, avis et procédures judiciaires exécutés,
donnés ou intentés, à la suite de ou en rapport, directement ou indirectement, avec les procédures
concernées.
64334558B
Graco Information
For the latest information about Graco products, visit www.graco.com.
For patent information, see www.graco.com/patents.
TO PLACE AN ORDER, contact your Graco distributor or call 1-800-690-2894 to identify the
nearest distributor.
All written and visual data contained in this document reflects the latest product information available at
Graco reserves the right to make changes at any time without notice.
Original instructions. This manual contains English. MM 334558
International Offices: Belgium, China, Japan, Korea
GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA
Copyright 2014, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.
the time of publication.
Graco Headquarters: Minneapolis
www.graco.com
Revision B, February 2015
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