Graco HYDRA-CLEAN 3540 Bedienungsanleitung

308525

Rev. H

First choice when

quality counts.t

INSTRUCTIONS–PARTS LIST

INSTRUCTIONS

This manual contains important

warnings and information.

READ AND KEEP FOR REFERENCE.

3540 Belt-Drive Pressure Washer

Model 800636, Series C

3500 psi (24 MPa, 241 bar) Operating Pressure

3900 psi (27 MPa, 269 bar) Maximum Working Pressure

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

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

Parts

2308525

Table of Contents

Warnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setup 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pump Service 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Technical Data 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts

Pressure Washer 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pump 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Warranty 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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.

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

DFluid injected into the skin may look like just a cut, but it is a serious injury. Get emergency

medical attention.

WARNING

INJECTION HAZARD

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

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

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 trigger safety when you stop spraying.

DFollow Pressure Relief Procedure on page 5 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; you must replace

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

308525

WARNING

MOVING PARTS HAZARD

Moving parts, such as the drive belt, can pinch or amputate fingers.

DKeep clear of moving parts when you start or operate this equipment.

DDo not operate the pressure washer without all guards and interlocks installed and functioning.

HAZARDOUS FLUIDS

Improper handling of hazardous fluids can cause serious injury or death from splashing in the

eyes, ingestion, or bodily contamination.

DKnow the specific hazards of the fluid being used.

DWear protective eye wear, gloves, clothing, and respirator as recommended by the fluid and

solvent manufacturer.

DStore hazardous fluids in approved containers. Dispose of hazardous fluids per local, state, and

national guidelines.

DDo not alter the throttle setting.

EQUIPMENT MISUSE HAZARD

Misuse of the pressure washer or accessories may cause them to rupture and result in fluid injection,

splashing in the eyes or on the skin, or other serious injury.

DDo not alter or modify any part or factory-set adjustment of this equipment.

DDo not exceed the maximum working pressure of any component or accessory in the system.

DDo not use any chemicals that are incompatible with the wetted parts as stated in the Technical

Data on page 13.

FUEL HAZARD

The fuel used in this pressure washer is combustible. When spilled on a hot surface, it can ignite and

cause a fire.

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

EXHAUST HAZARD

The exhaust contains poisonous carbon monoxide, which is colorless and odorless.

Do not operate this equipment in a closed building.

WARNING

4308525

Setup

gun hose

high-pressure

hose connection

water supply

connection TI1265A

Check for Shipping Damage

Check the unit for any damage that may have occurred in

shipping. Notify the carrier immediately if there is any

damage.

Unit Preparation

Charge the battery. Be sure the battery connections are

correct and secure. Connect the fuel line to the engine

using the quick coupler provided. Squeeze the priming

bulb 3 to 5 times. If you are using a downstream chemical

injector, install it between the pump unloader and the high

pressure hose, using the quick couplers provided.

Connect the high pressure hose between the pump

outlet and the gun inlet. Both of these connections are

made with quick couplers.

CAUTION

Up to 100 ft (30 m) of high pressure hose may

be used. Longer hoses may affect sprayer perform-

ance, and chemical injector performance, if used.

Install the appropriate spray tip on the wand. See

Installing and Changing Spray Tips. If you are using a

sandblaster kit, see its separate manual for installation

instructions.

Connect to Water Supply

CAUTION

Before attaching to the water supply, check your local

plumbing code regarding cross connection to the water

supply. A backflow preventer, 801133, is available to

prevent backflow of contaminated water into the fresh

water supply. Install it upstream from the pump.

If inlet water pressure is over 60 psi (4.1 bar) a

regulating water valve, 800258, must be installed at the

garden hose connection.

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

Connect a hose with at least a 3/4 inch (19 mm) ID

from the water supply to the unit’s 3/4 inch garden

hose inlet. The supply hose should not be more than

50 ft (15 m) long.

NOTE: The water source at the unit must have a

minimum flow rate equal to that of the unit (see

Technical Data on page 13).

308525

Operation

Pressure Relief Procedure

WARNING

INJECTION HAZARD

System pressure must be manually

relieved to prevent system from starting

or spraying accidentally. Fluid under high

pressure can be injected through skin and cause

serious injury. To reduce risk of injury from injec-

tion, splashing fluid, or moving parts, follow Pres-

sure Relief Procedure whenever you:

Dare instructed to relieve pressure,

Dstop spraying for more than 10 minutes,

Dcheck or service system equipment,

Dinstall or clean spray nozzle.

1. Engage trigger safety latch.

2. Turn sprayer off.

3. Remove ignition cable from spark plug.

4. Remove siphon tube from water supply.

5. Disengage trigger safety latch and trigger gun to

relieve pressure. Engage trigger safety latch.

6. If spray tip or hose is completely clogged, or

pressure has not been fully relieved after following

steps above: Disengage trigger safety latch and

trigger gun to relieve pressure. Wrap rag around

hose end coupling and VERY SLOWLY loosen

coupling to relieve pressure gradually, then loosen

completely. Now clear tip or hose.

Startup

Always use this startup procedure to ensure that the

pressure washer is started safely and properly.

1. Check oil levels.

Engine: Add SAE 30 or 10W–30 weight detergent oil

as necessary.

Pump: Add SAE 20 or 30 weight non-detergent oil as

necessary.

NOTE: This pressure washer is equipped with a

low–oil sensor that shuts the engine off if the oil

level falls below a certain level. If the unit stops

unexpectedly, check both the oil and the fuel

levels. Check the oil level each time the unit is

refueled.

2. Check fuel level.

WARNING

FIRE HAZARD

Do not refuel a hot engine. Refueling a

hot engine could cause a fire. Use only

fresh, clean regular or unleaded gaso-

line. Close fuel shutoff valve during refueling.

CAUTION

Never run unit dry. Costly damage to pump will

result. Always be sure water supply is sufficient

before operating.

3. Turn on water supply.

4. Trigger gun until water sprays from tip, indicating

that air is purged from system.

5. Open fuel shutoff valve. Be sure spark plug ignition

cables are pushed firmly onto spark plugs. Put

ignition shutoff switch in “on” position and throttle

in “run” position.

6308525

Operation

CAUTION

Do not allow pressure washer to idle more than 10

minutes. Doing so may cause recirculating water to

overheat and seriously damage pump. Turn off

pressure washer if not spraying or cleaning at least

every 10 minutes. If heated inlet water is used,

reduce time further. Do not operate pressure

washer with inlet water screen removed. Keep

screen clean. Screen keeps abrasive sediment out

of pump, Abrasive sediment can clog pump or

damage cylinders. Do not pump caustic materials;

such materials may corrode pump components.

CAUTION

Do not allow starter rope to snap back against

engine. Return carefully to prevent damage to

recoil.

6. Start engine.

NOTE: For easier starting, have one person start the

pressure washer while another person triggers

the spray gun.

If the engine is cold, completely close the engine

choke. Press the start button. In cool weather, the

choke may have to be kept closed for 10 to 30

seconds before opening it to keep the engine

running. Otherwise, open the choke as soon as the

engine starts.

If the engine is warm, leave the choke open or

partially closed. Start the engine as described in the

preceding paragraph. When the engine starts, be

sure to open the choke completely.

7. ALWAYS engage gun’s trigger safety latch when-

ever you stop spraying, even for a moment, to

reduce risk of fluid injection or splashing in eyes or

on skin if gun is bumped or triggered accidentally.

8. ALWAYS observe following CAUTIONS to avoid

costly damage to pressure washer.

9. See chemical injector or sandblaster kit manual for

detailed cleaning information if these accessories

are used.

Water Sandblasting

Water Sandblasting Kit 244766 is available for

abrasive cleaning of stubborn dirt and paint. The kit

requires sandblasting tip 805317, which is sold

separately.

Trigger Safety Latch

WARNING

To reduce risk of serious bodily injury, including

fluid injection, splashing in eyes or on skin, always

engage trigger safety latch when spraying is

stopped, even for a moment. In engaged position,

trigger safety latch prevents gun from being trig-

gered accidentally by hand or if dropped or

bumped. Be sure to push down latch fully to en-

gage it. If latch not fully engaged, gun can acciden-

tally trigger. See Figure 2.

Figure 2

Trigger safety latch shown engaged

Trigger safety latch shown disengaged

0412B

308525

Operation

Installing and Changing Spray Tips

WARNING

To reduce risk of serious bodily injury, including

fluid injection or splashing in eyes or onto skin, use

extreme caution when changing spray tips. always

follow procedure below.

1. Follow Pressure Relief Procedure on page 5.

2. Point gun and wand away from yourself and

anyone else.

3. Without holding your hand over spray tip (A), pull

back quick coupler ring (B). Remove old tip and/or

install a new one, and then release ring. See

Figure 3.

4. Be sure tip is secure before starting to spray

again.

5. Tip holding holes are provided on chassis.

CAUTION

O-ring may be blown out of quick coupler (B) due

to high pressure in system. Never operate pressure

washer without tip (A) securely mounted in quick

coupler.

Figure 3

Shutdown, Flushing, and Storage

1. If pressure washer will be exposed to freezing

temperatures, drain all water out of pump. If it

must be stored in freezing temperatures, flush unit

with a 50% anti–freeze solution. Relieve pressure.

Flush pressure washer before using it again to

remove anti–freeze.

CAUTION

If water freezes in pressure washer, thaw in warm

room before trying to start it. Do not pour hot water

on or into pump. Hot water may crack ceramic

plungers!

2. After each use, wipe all surfaces of pressure

washer with a clean, damp cloth.

3. Perform appropriate maintenance. See mainte-

nance chart on page 8.

8308525

Operation

Maintenance

Observing regular maintenance intervals helps ensure

that you get maximum performance and life from the

pressure washer.

There is a break–in period for the engine and pump.

After changing the oil in these components following

their respective break–in periods, the interval between

required changes is longer.

If the unit is operating in dusty conditions, these main-

tenance checks should be made more often.

WARNING

To reduce risk of serious bodily injury, including

fluid injection, splashing in eyes or on skin or injury

from moving parts, always follow Pressure Relief

Procedure on page 5 before proceeding.

Interval What to do

Daily Clean water inlet screen and filter.

Check engine and pump oil levels.

Fill as necessary. Check gasoline

level. Fill as necessary.

After first 5

hours of opera-

tion

Change engine break–in oil. Drain

oil when warm. Use SAE 30 or

10W–30 detergent oil.

Each 25 hours

of operation

Clean and remove air cleaner

foam. Wash with water and deter-

gent. Dry thoroughly. Rub with oil

and squeeze to distribute oil.

After first 50

hours of opera-

tion

Change pump break-in oil. Use

SAE 20 or 30 non-detergent oil.

Each 100

hours of opera-

tion

or 3 months

Clean or replace paper air cleaner

cartridge. Tap gently to remove

dirt. Change engine oil. Use SAE

30 or 10W–30 detergent oil.

Each 500

hours of opera-

tion

or 6 months

Change pump oil. Use SAE 20 or

30 non-detergent oil.

308525

Troubleshooting

WARNING

To reduce risk of serious injury, including fluid injection and splashing in eyes, or on skin, always follow Pres-

sure Relief Procedure on page 5 before proceeding.

Problem Cause Solution

Engine will not start

or is hard to start

No gasoline in fuel tank or carburetor. Fill tank with gasoline, open fuel shut off valve. Check

fuel line and carburetor.

Low oil. Add to proper level.

Start/Stop switch in Stop position. Move switch to start position.

Water in gasoline or old fuel. Drain fuel tank and carburetor. Use new fuel and dry

spark plug.

Loose or wrong battery connection. Check and tighten battery connections.

Battery not properly charged. Check electrolyte level of cells, recharge battery.

Choked improperly. Flooded engine. Open choke and pull engine several times to clear out

gas. Use dry spark plug.

Dirty air cleaner filter. Remove and clean.

Spark plug dirty, wrong gap or wrong

type.

Clean, adjust gap or replace.

Spray gun closed. Trigger spray gun while spraying.

Engine misses or

lacks power

Partially plugged air cleaner filter. Remove and clean.

Spark plug dirty, wrong gap or wrong

plug type.

Clean and adjust spark plug gap or replace.

Low pressure and/or

pump runs rough

Worn or wrong size tip. Replace with tip of proper size.

Inlet filter clogged. Clean. Check more frequently.

Worn packings, abrasives in water or

natural wear.

Check filter. Replace packings. See PUMP SERVICE,

page 11.

Inadequate water supply. Check water flow rate to pump.

Fouled or dirty inlet or discharge valves. Clean inlet and discharge valve assemblies. Check

filter.

Restricted inlet. Check garden hose, may be collapsed or kinked.

Worn inlet or discharge valves. Replace worn valves. See PUMP SERVICE, page 11.

Leaking high pressure hose. Replace high pressure hose.

Water leakage from

under pump manifold

Worn packings. Install new packings. See PUMP SERVICE, page 11..

Water on oil side of

pump

Humid air condensing inside crankcase. Change oil as specified in Maintenance, page 11.

Worn packings. Install new packings. See PUMP SERVICE, page 11.

Oil seals leaking. Install new oil seals. See PUMP SERVICE, page 11.

10 308525

Troubleshooting

Problem Cause Solution

Frequent or prema-

ture failure of pack-

ings

Scored, damaged or worn plungers. Install new plungers. See PUMP SERVICE, page 11.

Abrasive material in fluid being pumped. Install proper filtration on pump inlet plumbing.

Inlet water temperature too high. Check water temperature; may not exceed

160_F(70_C).

Overpressurizing pump. Do not modify any factory set adjustments. See

EQUIPMENT MISUSE HAZARD on page 3.

Excessive pressure due to partially

plugged or damaged tip.

Clean or replace tip. See Installing and Changing

Spray Tips on page 7.

Pump running too long without spraying. Never run pump more than 10 minutes without spray-

ing.

Running pump dry. Do not run pump without water.

Strong surging at in-

let and low pressure

on discharge side

Foreign particles in inlet or discharge

valve or worn inlet and/or discharge

valves.

Clean or replace valves. See PUMP SERVICE,

page 11.

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