Graco HYDRA-CLEAN 2000 Manual de usuario

OWNER’S

MANUAL

824–001

Rev

Supercedes Rev. C

HYDRA-CLEAN

2000,

2800

Pressure W

ashers

Hydra-clean 2000

824–006

Series A

2000 psi (138 bar) Operating Pressure

2400 psi (165 bar) Maximum Working Pressure

Hydra-clean 2800

824–007,

Series A

2800 psi (193 bar) Operating Pressure

3200 psi (225 bar) Maximum Working Pressure

The SHERWIN–WILLIAMS COMPANY

, 101 PROSPECT AVENUE, CLEVELAND, OHIO 441

This

manual contains important

warnings and information.

READ AND RETAIN FOR REFERENCE

Model 824–006



824–001

Table

of Contents

Warnings 2.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation 4.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation 5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting 9

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

804–544

Pump Service

11.

. . . . . . . . . . . . . . . . . . . . . . .

804–559

Pump Service

13.

. . . . . . . . . . . . . . . . . . . . . . .

Accessories 15

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Technical

Data

15.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts

List & Drawing

Hydra-clean 2000 Pressure W

asher 16.

. . . . . . . . . . .

Hydra-clean 2800G Pressure W

asher 18.

. . . . . . . . . .

Pump Assembly Model 804–544

20.

. . . . . . . . . . . . . . .

Pump Assembly Model 804–559

22.

. . . . . . . . . . . . . . .

Warranty 24

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Warning Symbol

WARNING

This

symbol alerts you to the possibility of serious

injury or death if you do not follow the instructions.

Caution Symbol

CAUTION

This

symbol alerts you to the possibility of damage to

or destruction of equipment if you do not follow the

instructions.

Do not point gun at anyone or at any part of body

Fluid 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

Do not stop or deflect leaks with hand, body

, glove or rag.

Do not put hand or fingers over spray tip.

ighten fluid connections before starting equipment.

Engage the gun trigger safety whenever you stop spraying.

Pressure Relief Procedure

on page 5 if spray tip clogs and before cleaning, checking or

servicing equipment.

Repair or replace worn or damaged parts immediately

Check hoses, tubes, and coupling daily

. Do not repair high pressure couplings: replace entire

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

824–001

WARNING

HAZARDOUS FLUIDS

Improper

handling of hazardous fluids can cause serious injury

, even death, due to splashing in eyes,

ingestion or bodily contamination.

Know specific hazards of fluid being used.

ear protective eyewear, gloves, clothing, and respirator as recommended by the fluid manufac

turer.

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

national guidelines.

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

Do not operate this equipment in a closed building.

Do not alter throttle setting.

FUEL HAZARD

The

fuel used in this unit is combustible and when spilled on a hot surface can ignite and cause a

fire.

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

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

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

Do not use any chemicals that are incompatible with the wetted parts as stated in the T

echnical

Data.

EXHAUST HAZARD

The

exhaust contains poisonous carbon dioxide which is colorless and odorless.

4824–001

Installation

ypical Installation – Pressure W

asher

Fig. 1

HIGH PRESSURE

HOSE CONNECTION

HOSE

RACK

INLET W

ATER

CONNECTION

3/4” GARDEN

HOSE

SPRAY

GUN

SPRAY

HOSE



Check for Shipping Damage

Check

the unit for any damage that may have occurred

shipping.

Notify

the carrier immediately

if there is any

damage.

Set Up

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

performance,

and chemical injector performance,

used.

Install

the appropriate spray tip on the wand. See

Install

ing 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. If required, a backflow

preventer

may be installed.

If 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.

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 mini-

mum

flow rate equal to that of the unit (see T

ech-

nical

Data, inside back cover).

824–001

Operation

Pressure

Relief Procedure

INJECTION

HAZARD

The system pressure must be manually

relieved to prevent the system from

spraying accidentally

. T

o reduce the risk

of an injury from accidental spray from the gun,

splashing fluid, or moving parts, follow the

Pres-

sure Relief Procedure

whenever you:

are instructed to relieve the pressure,

stop spraying for more than 10 minutes,

check or service any of the system equipment,

or install or clean the spray nozzle.

WARNING

Pressure Relief Procedure

1. Engage

the trigger safety latch.

2. T

urn the sprayer of

Remove the ignition cable from the spark plug.

Shut of

f the water supply

Disengage the trigger safety latch and trigger the

gun to relieve pressure, and then engage the

trigger safety latch again.

If you suspect that the spray tip or hose is

completely 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. W

rap a rag around the

hose end coupling and VER

Y SLOWL

Y loosen the

coupling to relieve pressure gradually

, then loosen

completely

. Now clear the tip or hose.

Startup

Always use this start–up procedure to ensure that the

unit is started safely and properly

Check oil levels:

NOTE:

All units are 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.

Check fuel level.

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 the fuel shutof

f valve during

refueling.

WARNING

CAUTION

Never run the unit dry

. Costly damage to the

pump will result. Always be sure the water

supply is completely turned on before operating.

3. T

urn on the water supply

6824–001

Operation

4. T

rigger the gun until water sprays from the tip

indicating that the air is purged from the system.

Open the fuel shutof

f valve. Be sure the spark plug

ignition cable is pushed firmly onto the spark plug.

Put the switch in the “on” position and put the

throttle in the “run” position.

Do not allow the pressure washer to idle for more

than 10 minutes. Doing so may cause the recir

culating water to overheat and seriously damage

the pump. T

urn of

f the pressure washer if it will not

be spraying or cleaning at least every 10 minutes.

If heated inlet water is used, reduce this time

further.

Do not operate the pressure washer with

the inlet water screen removed. This screen helps

keep abrasive sediment out of the pump, which

could clog the pump or damage the cylinders.

Keep this screen clean. Do not pump caustic

materials; such materials may corrode the pump

components.

CAUTION

not allow the starter rope to snap back against the

engine. Return it gently to prevent damage to the

recoil.

CAUTION

6. Start

the 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. Grasp the starter rope, brace one foot on

the pressure washer chassis and pull rope rapidly

and firmly

. Continue holding the rope as it returns.

Pull and return the rope until the engine starts. 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

just partly close it. Start the engine as described in

the preceding paragraph. When it starts, be sure

to open the choke completely

7. Always

engage the gun’s trigger safety latch

whenever you stop spraying, even for a moment,

to reduce the risk of fluid injection or splashing in

the eyes or on the skin if the gun is bumped or

triggered accidentally

Always observe the following

CAUTIONS

to avoid

costly damage to the pressure washer

See the sandblaster kit manual for detailed clean

ing information if this accessory is used.

824–001

Operation

Trigger Safety Latch

WARNING

reduce the risk of serious bodily injury

, including

fluid injection, splashing in the eyes or on the skin,

always engage the trigger safety latch whenever

spraying stops, even for a moment.In the engaged

position, the trigger safety latch prevents the gun

from being triggered accidentally by hand or if it is

dropped or bumped. Be sure the latch is pushed

fully down when engaging it or it cannot prevent

the gun from being triggered. See Figure 2.

Figure 2

TRIGGER SAFETY LA

TCH SHOWN ENGAGED

TRIGGER SAFETY LA

TCH SHOWN DISENGAGED

04612

Installing and Changing Spray Tips

WARNING

reduce the risk of serious bodily injury

, including

fluid injection or splashing in the eyes or onto the

skin, use extreme caution when changing spray

tips. always follow the procedure below

Follow the

Pressure Relief Procedure

Point the gun and wand away from yourself and

anyone else.

Spray tips have a 4– or 5–digit number on them.

The first two digits are the spray angle. Select the

spray tip appropriate for your application.

Spray T

ip Number

Spray Pattern Fan Angle

00XXX 0_, blaster (red)

15XXX 15_

(yellow)

25XXX 25_(green)

40XXX 40_

(white)

NOTE: The chemical injector tip is brass, has a large

opening

and a black plastic cap.

Without holding your hand over the spray tip (A),

pull back the quick coupler ring (B). Remove the

current tip and/or install a dif

ferent one, and then

push back the ring. See Figure 3.

Pull on the tip to be sure the tip is secure before

starting to spray again.

6. T

ip holding holes are provided on the chassis.

CAUTION

o avoid blowing the o-ring out of the quick cou

pler

, due to the high pressure in the system, never

operate the pressure washer without a tip securely

mounted in the quick coupler

04929

Figure 3

8824–001

Operation

Shutdown, Flushing and Storage

NOTE: An anti–freeze flush kit 802–327 is available to

make

flushing easier

CAUTION

If water does freeze in the pressure washer

, thaw it

in a warm room before trying to start it. Do not

pour

hot water on or into the pump; it may crack the

ceramic plungers!

If the pressure washer will be exposed to freezing

temperatures, drain all water out of the pump. If it

must be stored in freezing temperatures, flush the

unit with a 50% anti–freeze solution. Relieve

pressure. Flush the pressure washer before using

it again to remove the anti–freeze.

Before long-term (overnight) storage or transport

ing of unit, disconnect the water supply

, and turn

f the fuel supply valve.

After each use, wipe all surfaces of the pressure

washer with a clean, damp cloth.

Perform the appropriate maintenance. See mainte

nance chart.

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, pump and

gear reducer (if used). 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.

o reduce the risk of serious bodily injury

, including

fluid injection, splashing in the eyes or on the skin

or injury from moving parts, always follow the

Pressure Relief Procedure

on page 5 before

proceeding.

WARNING

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. W

ash 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. T

ap 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.

824–001

Troubleshooting

o reduce the risk of serious injury

, including fluid injection and splashing in the eyes, or on the skin, always

Pressure Relief Procedure

on page 5 before proceeding.

WARNING

Problem Cause Solution

Engine

will not start

or is hard to start

No gasoline in fuel tank or carburetor

Fill the tank with gasoline, open fuel shut of

f valve.

Check fuel line and carburetor

Low oil.

Add to proper level.

Start/Stop switch in Stop position.

Move switch to start position.

ater in gasoline or old fuel.

Drain fuel tank and carburetor

. Use new fuel and dry

spark plug.

Choked improperly

. Flooded engine.

Open choke and pull engine several times to clear out

gas. Use a dry sprark plug.

Dirty air cleaner filter

Remove and clean.

Spark plug dirty

, wrong gap or wrong

type.

Clean, adjust the gap or replace.

Spray gun closed.

rigger 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, adjust the spark plug gap or replace.

Low pressure and/or

pump runs rough

orn or wrong size tip.

Replace with tip of proper size.

Inlet filter clogged.

Clean. Check more frequently

orn packings, abrasives in water or

natural wear

.Check filter. Replace packings. See PUMP SERVICE,

page 13.

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.

orn inlet or discharge valves.

Replace worn valves. See PUMP SER

VICE, page 13.

Leaking high pressure hose.

Replace high pressure hose.

ater leakage from

under pump manifold

orn packings.

Install new packings. See PUMP SER

VICE, page 13..

ater on oil side of

pump

Humid air condensing inside crankcase.

Change oil as specified in Maintenance, page 8.

orn packings.

Install new packings. See PUMP SER

VICE, page 13.

Oil seals leaking.

Install new oil seals. See PUMP SER

VICE, page 13.

10 824–001

Problem Cause Solution

Frequent or prema

ture failure of the

packings

Scored, damaged or worn plungers.

Install new plungers. See PUMP SER

VICE, page 13.

Abrasive material in the 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 T

ips 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 the inlet or discharge

valve or worn inlet and/or discharge

valves.

Clean or replace valves. See PUMP SER

VICE, page

13.

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