Graco 244811 Manuel utilisateur

309368

Rev. H

First choice when

quality counts.t

INSTRUCTIONS

This manual contains important

warnings and information.

READ AND KEEP FOR REFERENCE.

Direct-Drive Pressure Washers

2730

Model 244811, Series B with Briggs & Stratton 6.5 HP Motor

2700 psi (186 bar, 18.6 MPa) Operating Pressure

3000 psi (210 bar, 21.0 MPa) Maximum Working Pressure

2730

Model 244812, Series B with Honda 6.5 HP Motor

2700 psi (186 bar, 18.6 MPa) Operating Pressure

3000 psi (210 bar, 21.0 MPa) Maximum Working Pressure

3030

Model 244813, Series B

3000 psi (210 bar, 21.0 MPa) Operating Pressure

3300 psi (227.5 bar, 22.75 MPa) Maximum Working Pressure

3340

Model 244814, Series B

3300 psi (227.5 bar, 22.75 MPa) Operating Pressure

3600 psi (248 bar, 24.8 MPa) Maximum Working Pressure

3540

Model 244815, Series B

3500 psi (241 bar, 24.1 MPa) Operating Pressure

3800 psi (262 bar, 26.2 MPa) Maximum Working Pressure

GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440--1441

Graco Inc. is registered to I.S. EN ISO 9001

3300 Pressure Washer

Model 244814 Shown

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Table of Contents

Symbols 2......................................

Warnings 3......................................

Component Identification 4........................

Pressure Relief Procedure 7.......................

Installing and Changing Spray Tips 13..............

Parts Drawing 16.................................

Parts List 17.....................................

Warning Symbol

WARNING

This symbol alerts you to the possibility of serious

injury or death if you do not follow instructions.

Caution Symbol

CAUTION

This symbol alerts you to the possibility of damage to

or destruction of equipment if you do not follow instruc-

tions.

Equipment Misuse Hazard:

Misuse of pressure washer or accessories can cause the equipment to rupture or malfunction and

result in serious injury.

DDo not alter or modify any part or factory--setting.

DCheck equipment daily. Repair or replace worn or damaged parts immediately.

DDo not exceed maximum working pressure (MWPR) of the lowest--rated system component.

DUse fluids and solvents that are compatible with the equipment wetted parts. See Specifications page

for this information.

DWear hearing protection when operating this equipment.

DDo not “blow back” fluid; this is not an air spray system.

DFollow Pressure Relief, page 7 before cleaning, checking or servicing equipment.

Injection Hazard:

Spray from gun, leaks or ruptured components can inject fluid into your body and cause serious

injury. Fluid splashed in eyes or on skin can also cause serious injury.

DFluid injected into skin might look like just a cut, but it is a serious injury. Seek immediate surgical

treatment.

DDo not point gun at anyone or any part of the body.

DDo not stop or deflect leaks with hand, body, glove, or rag.

DDo not put your hand or fingers over the spray tip.

DTIghten fluid connections before you start this equipment.

DEngage the gun safety whenever you stop spraying.

DFollow Pressure Relief Procedure, page 7 if the spray tip clogs and before you clean, check or

service this equipment.

DRepair or replace worn or damaged parts immediately.

DCheck hoses, tubes, and couplings daily. Do not repair high--pressure couplings. Replace entire

hose. Fluid hoses must have spring guards on both ends to prevent kinks and rupture.

TOXIC FLUID HAZARD:

Hazardous fluid or toxi fumes can cause serious injury or death if splashed in eyes or on skin,

inhaled, or swallowed.

DKnow specific hazards of fluids you are using and take protective measures as recommended by

the fluid and solvent manufacturer.

Fuel Hazard:

Fuel is combustible. When spilled on a hot surface it can ignite and cause a fire.

Do not fill fuel tank while engine is running or hot.

Exhaust Hazard:

Exhaust contains poisonous carbon monoxide, which is colorless and odorless. Do not operate this

equipment in a closed building.

WARNINGS

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Component Identification

Gun and wand

Oil Level Site Gauge

High Pressure Hose

Connection

Hose

On/Off Engine Switch (side)

Water Pump Oil Fill

Engine Oil Fill

Pressure Unloader

Adjustment Knob

Tip Storage

Hose Rack (a)/Gun Holder (b)

(b)

(a)

Garden Hose

Connection

Pressure Gauge (not

shown)

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Shipping Damage

Check the pressure washer for shipping damage. Notify the carrier immediately if there is any damage.

Setup

Connect High--Pressure Hose and Gun

Connect the high--pressure hose between the pump outlet and gun inlet.

Both of these connections are made with quick couplers.

Install Spray Tip

Install the spray tip on the wand. (Installing and Changing Spray Tips, page 13). If you are using a Sandblast-

ing Kit, see its separate manual for installation instructions.

Up to 100 ft (30 m) of 3/8” high--pressure hose may be used. Longer hoses could affect pressure

washer and chemical injector performance balance.

CAUTION

Connect to Water Supply

Connect hose with at least a 3/4--in (19 mm) ID from the water supply to the 3/4--in garden hose inlet

on the pressure washer. The supply hose should not be more than 50 ft (15 m) long.

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CAUTION

Before you connect the garden hose to the pressure washer, check your local plumbing code regarding

cross--connection to the water supply. If required, install a backflow preventer.

If the inlet water pressure is over 60 psi (4.1 bar), a regulating water valve must be installed at the garden

hose connection.

Do not exceed 160_F(70_C) inlet water temperature.

NOTE: The water source must have a minimum flow rate equal to that of the pressure washer.

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PRESSURE RELIEF

Follow these instructions whenever you are instructed to relieve pres-

sure, stop spraying for more than 10 minutes, check or service the

equipment, or install or clean the spray nozzle.

1. Engage trigger safety latch.

2. Turn pressure washer off.

3. Remove ignition cable from spark plug.

4. Shut off water supply. Disconnect from water.

5. Disengage trigger safety latch and trigger the gun to

relieve pressure. Then re--engage the safety latch.

Note: If you suspect that the spray tip or hose is clogged or that pressure has not been fully relieved after

following the steps above, disengage the trigger safety latch and trigger the gun to relieve pressure.

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1.Check the oil level of the engine and pump.

Startup

Always use this startup procedure to ensure that the pressure washer is started safely and properly.

DAlways engage the gun trigger safety latch when you stop spraying. This reduces the risk of fluid

injection or splashing in the eyes or on the skin if the gun is bumped or triggered accidentally.

DAlways observe the CAUTIONS in this section to avoid costly damage to the pressure washer.

DIf you use the Sandblaster Kit, see the Sandblaster Kit Manual for detailed cleaning information.

Operation

NOTE: All Honda engine powered pressure washers are equipped with an engine low-oil sensor that shuts the

engine off if the oil level falls below a certain level. If the engine stops unexpectedly, check the oil and the fuel

levels. Check the oil level each time you add fuel.

Oil level

FIRE HAZARD

Do not refuel a hot engine. Refueling a hot engine could cause a fire. Use only fresh, clean,

regular or unleaded gasoline. Close the fuel shutoff valve during refueling.

WARNING

2. Check fuel level. Fuel level

3.Check oil level in pump. It should be half way up the sight

glass located on the front of the pump. Add pump oil as

necessary. The system is equipped with a thermal over-

load to help prevent severe damage.

Oil level

NOTE: It is important to drain and refill the pump oil after the first 50 hours of operation.

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4.Turn on water supply.

5.Trigger the gun until a constant stream of water sprays from the tip indicating

the air is purged from the system.

6.Open fuel shutoff valve. Be sure the spark plug ignition

cable is pushed firmly onto the spark plug.

7.Put the switch in the ON position and the throttle at HALF

throttle.

Never run pressure washer without water. Costly damage to the pump will result. Always be sure the water

supply is completely turned on before you run the pressure washer.

CAUTION

10 309368

8.Pull the starter rope quickly to start the engine.

Pull and return the rope until the engine starts.

HINT: Placing one foot on the pressure washer

as a brace provides better leverage.

Do not allow pressure washer to idle for more than 10 minutes. This causes the recirculating water to

overheat and serious damage to pump. Turn off pressure washer if it will not be spraying at least every 10

minutes. If heated inlet water is used, reduce this time more. Do not operate pressure washer with inlet

water screen removed. This screen helps keep abrasive sediment out of pump, which could clog pump or

damage cylinders. Keep screen clean. Do not pump caustic materials; such materials could corrode pump

components.

CAUTION

NOTE: For easier starting, have one person start pressure washer while another triggers gun.

DIf engine is cold, start engine with choke completely closed. In cool weather, you might have to let engine

run with choke closed for first 10--30 seconds. In warm weather, open choke completely as soon as en-

gine starts.

DIf engine is warm, start engine with choke completely open or partially closed. When engine starts open

choke completely.

OPEN

HALF

CLOSED

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