Operation
3A2818A
Pro 270GS Airless Sprayer
For the application of architectural paints and coatings. For professional use only.
3000 psi (20.7 MPa, 207 bar) Maximum Working Pressure
Important Safety Instructions
Read all warnings and instructions in this
manual and in the gasoline engine manual.
Save these instructions.
Related Manuals
3A2821
Pro 270GS
Model: 262866
EN
312830
312015
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Warnings
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.
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:
• 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.
SKIN INJECTION HAZARD
High-pressure fluid from gun, hose leaks, or ruptured components will pierce skin. This may look like just
a cut, but it is a serious injury that can result in amputation. Get immediate surgical treatment.
• Do not spray without tip guard and trigger guard installed.
• Engage trigger lock when not spraying.
• Do not point gun at anyone or at any part of the body.
• Do not put your hand over the spray tip.
• Do not stop or deflect leaks with your hand, body, glove, or rag.
• Follow the Pressure Relief Procedure when you stop spraying and before cleaning, checking, or ser-
vicing equipment.
• Tighten all fluid connections before operating the equipment.
• Check hoses and couplings daily. Replace worn or damaged parts immediately.
2 3A2818A
Warnings
WARNING
EQUIPMENT MISUSE HAZARD
Misuse can cause death or serious injury.
• Do not operate the unit when fatigued or under the influence of drugs or alcohol.
• Do not exceed the maximum working pressure or temperature rating of the lowest rated system compo-
nent. See Technical Data in all equipment manuals.
• Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data in all equip-
ment manuals. Read fluid and solvent manufacturer’s warnings. For complete information about your
material, request MSDS from distributor or retailer.
• Do not leave the work area while equipment is energized or under pressure.
• Turn off all equipment and follow the Pressure Relief Procedure, page 8 when equipment is not in use.
• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine manufac-
turer’s replacement parts only.
• 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.
• Use equipment only for its intended purpose. Call your distributor for information.
• Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.
• Do not kink or over bend hoses or use hoses to pull equipment.
• Keep children and animals away from work area.
• Comply with all applicable safety regulations.
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.
• 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, fol-
low the Pressure Relief Procedure and disconnect all power sources.
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.
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.
BURN HAZARD
Equipment surfaces and fluid that’s heated can become very hot during operation. To avoid severe burns:
• Do not touch hot fluid or equipment.
3A2818A 3
Warnings
WARNING
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. This 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.
4 3A2818A
Component Identification
U
A
Component Identification
B
OFF
ON
C
ON
OFF
D
F
E
G
V
H
K
J
L
+
-
Q
P
R
T
N
M
3A2818A 5
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S
Component Identification
A Engine Controls
B Engine ON/OFF Switch
C Pump ON/OFF Switch
D Pressure control knob
EPrime/Spray valve
F Filter
G Pump fluid outlet fitting
H Suction tube
J Inlet screen
K
Endurance
™
Pump
L Prime tube (with diffuser)
M Paint hose
N Airless Sprayer
P Tip guard
Q Reversible spray tip
R Gun trigger safety lever
S Gun fluid inlet fitting
T Gun fluid filter
U Hose wrap Rack
V Pail hanger
Serial Tag (below sprayer
frame)
Controls engine starting and speed
Shuts engine OFF
Controls pump operation
Increase (clockwise) and decreases (counter-clockwise) fluid pressure in
pump, hose, and spray gun.
• In PRIME position (pointing down) directs fluid to prime tube.
• In SPRAY position (pointing forward) directs pressurized fluid to paint
hose.
• Automatically relieves system pressure in overpressure situations.
Filters fluid coming out of pump to reduce tip plugging and improve finish.
Threaded connection for paint hose.
Draws fluid from paint pail into pump.
Prevents debris from entering pump.
Pumps and pressurizes fluid and delivers it to paint hose.
Drains fluid in system during priming and pressure relief.
Transports high-pressure fluid from pump to spray gun.
Dispenses Fluid
Reduces risk of fluid injection injury.
• Atomizes fluid being sprayed, forms spray pattern and controls fluid
flow according to hole size.
• Reversed, it unclogs plugged tips without disassembly.
Prevents accidental triggering of spray gun.
Threaded connection for paint hose.
Filters fluid entering spray gun to reduce tip clogs.
Stows paint hose.
For transporting pail by its handle.
Sprayer model and serial number information
6 3A2818A
Grounding Procedure
Grounding Procedure
(For Flammable Materials Only)
This equipment must be grounded to reduce the risk of
static sparking. Static sparking can cause fumes to
ignite and explode. Grounding provides an escape wire
for the electric current.
• Attach sprayer grounding clamp to earth ground.
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Pails
• Solvent and oil/based fluids: follow local code.
Use only conductive metal pails, placed on
a grounded surface such as concrete.
• Do not place pail on a nonconductive surface such
as paper or cardboard which interrupts grounding
continuity.
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• Grounding a metal pail: connect a ground wire to
the pail by clamping one end to pail and other end to
a true earth ground such as a water pipe.
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• To maintain grounding continuity when flushing
or relieving pressure: hold metal part of spray gun
firmly to side of a grounded metal pail. Then trigger
gun.
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3A2818A 7
Operation
Operation
Trigger Lock
Always engage the trigger lock when you stop spraying
to prevent the gun from being triggered accidentally by
hand or if dropped or bumped.
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Trigger Locked
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Trigger Unlocked
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.
3. Trigger gun to relieve pressure.
DÉCHETS
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4. Turn prime valve down.
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If you suspect spray tip or hose is completely clogged,
or that pressure has not been fully relieved after following these steps, VERY SLOWLY loosen tip guard retain-
ing nut or hose end coupling to relieve pressure
gradually, then loosen completely. Now clear tip or hose
obstruction.
1. Turn pump switch OFF. Turn engine OFF.
2. Turn pressure to lowest setting.
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8 3A2818A
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Setup
Setup
1. Turn pump switch OFF. Turn engine switch OFF.
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2. Turn Pressure Control Knob all the way left
(counter-clockwise) to minimum pressure. Verify
prime valve is down.
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3. Unscrew tip and guard assembly from gun.
5. Connect other end of hose to sprayer.
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NOTE: If hose is already connected, make sure connections are tight.
6. Check inlet strainer for clogs and debris.
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4. Uncoil hose and connect one end to gun. Use two
wrenches to tighten securely
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7. Fill throat packing nut with TSL to prevent premature
packing wear. Do this each time you spray.
Approximate Fill Level
3A2818A 9
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