Graco Inc Hydra Clean 800-671, Hydra Clean 800-672, Hydra Clean 800-670, Hydra Clean 800-674, Hydra Clean 308-523 User Manual

INSTRUCTIONS-PAR

This

manual contains

WARNINGS

READ AND RETAIN FOR REFERENCE

and

IMPORTANT

INSTRUCTIONS

TS LIST

308–523

Rev

HYDRA-CLEAN Pressure W

HYDRA-CLEAN P/N 800–670, Series A

P/N 800–671, Series A

1500 psi (103 bar) OPERA

1900 psi (131 bar) MAXIMUM WORKING PRESSURE

HYDRA-CLEAN 2040, 8 HP ENGINE P/N 800–672, Series A

P/N 800–674, Series A

2000 psi (138 bar) OPERA

2400 psi (165 bar) MAXIMUM WORKING PRESSURE

1535, 5 HP ENGINE

1535

asher

TING PRESSURE



1535, 2040

GRACO INC. P

2040

.O. Box 1441 MINNEAPOLIS, MN 55440–1441

COPYRIGHT

1990, GRACO INC.

HIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY.

FOR PROFESSIONAL USE ONLY. OBSERVE ALL WARNINGS.

Read and understand all instruction manuals before operating equipment.

FLUID INJECTION HAZARD

WARNING

General Safety

This pressure washer generates very high fluid pressure. Spray from the gun, leaks or ruptured components can inject fluid through your skin and into your body and cause extremely serious bodily injury including splashed damage.

NEVER

part of the body. spray

ALWAYS before

NEVER

body. Be sure equipment safety devices are operating

properly

the need for amputation. Also, fluid injected or into the eyes or on the skin can cause serious

point the spray gun or wand at anyone or at

NEVER

tip.

follow the Pressure Relief Procedure,

cleaning or servicing any part of the sprayer

try to stop or deflect leaks with your hand or

before each use.

put hand or fingers over the

any

Medical Treatment

If any fluid appears to penetrate your skin, get

EMERGENCY NOT

TREA

what

fluid was injected.

NOTE TO PHYSICIAN:

traumatic

surgically as soon as possible.

treatment with

some exotic coatings injected

MEDICAL TREA

T AS A SIMPLE CUT. T

injury

It is important to treat the injury

to research toxicity

bloodstream. Consultation with a plastic surgeon

reconstructive hand surgeon may be advisable.

TMENT A

ell the doctor exactly

T ONCE. DO

Injection in the skin is a

Do not delay

. T

oxicity is a concern

directly into the

Pressure Relief Procedure

reduce the risk of serious bodily injection follow this procedure whenever you stop spraying for more checking

2. T

5. Disengage the trigger safety latch and trigger the

6. Before long–term (overnight) storage or

and splashing in the eyes

than 10 minutes, when shutting

or repairing any part of the system.

Engage the trigger safety latch.

urn the sprayer of Remove the ignition cable from the spark plug. Shut of

gun safety

transporting of unit, disconnect the water supply and

f the water supply

to relieve pressure, and then

latch again.

turn of

f the fuel supply valve.

injury

, including fluid

or on the skin, always

down, and before

engage the trigger

Spray Gun Safety Devices

Be sure all gun safety devices are operating properly before each use. Do not remove or modify any part of the gun; this can cause a malfunction and result in serious

SAFETY LATCH: Whenever you stop spraying for a moment, or properly set the safety latch can result in accidental triggering

SPRAY TIP SAFETY: Use extreme caution when cleaning spraying, engage the gun safety latch immediately.

ALWAYS

then

bodily injury

always set the gun safety latch in the engaged

“safe” position, making the gun inoperative. Failure to

of the gun.

or changing spray

follow the Pressure Relief Procedure and

remove the spray tip to clean it.

tips. If a spray tip clogs while

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EQUIPMENT MISUSE HAZARD

General Safety

Any misuse of the pressure washer or accessories, such as overpressurizing, modifying parts, using incompatible chemicals and fluids, or using worn or damaged fluid injection, splashing in the eyes or on the skin, or other serious bodily injury, fire, explosion or property damage.

NEVER

could cause it to malfunction.

CHECK

replace

ALWAYS

clothing. chemical manufacturer’s literature for recommendations on additional protective equipment, such

parts, can cause them to rupture and result in

alter or modify any part of this equipment; doing

all spray equipment regularly and repair or

worn or damaged parts immediately

wear protective eyewear and appropriate

If using

as a respirator

a chemical injector

, read and follow the

HOSE SAFETY

High

pressure fluid in the hoses can be very dangerous. If the hose develops a leak, split or rupture due to any kind of wear, damage or misuse, the high pressure

emitted from it can cause a fluid injection injury or

spray other

serious bodily injury or property damage.

ALL FLUID HOSES MUST HAVE STRAIN RELIEFS ON BOTH ENDS.

hose from kinks or bends at or close to the coupling,

can result in hose rupture.

which

TIGHTEN

use. allow high pressure spray to be emitted from the coupling.

all fluid connections securely before each

High pressure fluid can

The strain reliefs help protect the

dislodge a loose coupling or

System

This sure to withstand the maximum working pressure of this sprayer. pressure of any component or accessory used in the system.

Pressure

sprayer can develop high operating pressures. Be that all spray equipment and accessories are

DO NOT

exceed the maximum working

rated

Chemical Compatibility

BE SURE

injector gun, back cover). Always read the chemical manufacturer’s literature before using any chemical in this pressure washer.

NEVER

entire hose for cuts, leaks, abrasion, bulging cover, or damage or movement of the hose couplings. If any of these conditions exist, replace the hose immediately.

DO NOT

with tape or any other device. A repaired hose cannot contain

HANDLE AND ROUTE HOSES CAREFULLY.

on hoses to move the pressure washer

pull chemicals and temperatures (–40_ C).

that all chemicals used in the chemical

are compatible with the

wand and tip,

use

try to recouple high pressure hose or mend it

the high pressure fluid.

which are not

cover of the hose.

as given in the T

a damaged hose. Before each use, check

DO NOT

above 200

wetted parts of the hose,

echnical Data (inside

. Do not use

compatible with the inner tube

expose Graco hose to

_ F

(93

_ C)

or below –40

Do not

_ F

FUEL AND EMISSION HAZARDS

NEVER

The on tank

NEVER

exhaust contains carbon monoxide, a poisonous, odorless, death

fill the fuel tank while the

fuel used in this unit

a hot surface can ignite and cause a fire.

slowly to avoid spilling.

operate the unit in a closed building. The

invisible

if inhaled.

is combustible and when spilled

gas which can cause serious injury or

unit is running or hot.

ALWAYS

fill

NEVER

Tampering with this adjustment can damage the pressure

alter the throttle setting, which is factory set.

washer and will void the warranty

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MOVING PARTS HAZARD

Moving parts can pinch or amputate fingers or other

parts.

body or

operating the pressure washer

NEVER

and interlocks installed and functioning. Follow the

KEEP CLEAR

operate the pressure washer without all guards

of moving parts when starting

Pressure Relief Procedure before checking or servicing the pressure washer to prevent discharging

pressure fluid from the gun.

high

TERMS

WARNING: Alerts user to avoid or correct conditions

could cause bodily injury

that CAUTION: Alerts user to avoid or correct conditions

could cause damage to the equipment.

that

NOTE: Identifies

helpful procedures and information.

IMPORTANT

United

States Government safety standards have been adopted under the Occupational Safety and Health Act. These standards—particularly the General Standards, Part 1910, and the Construction Standards, Part 1926—should be consulted.

4 308-523

INSTALLATION

HIGH

PRESSURE

HOSE

CONNECTION

INLET WATER

CONNECTION 3/4”

GARDEN HOSE

QUICK

COUPLER

2040

SPRAY

GUN

QUICK

COUPLER

1535

SPRAY

HOSE

HIGH PRESSURE

HOSE CONNECTION

INLET W

CONNECTION 3/4”

Figure

GARDEN HOSE

Check for Shipping Damage

Check

the unit for any

in shipping. Notify the carrier immediately if there is

damage.

any

damage that may have occurred

Set Up

you are using a downstream chemical injector

between the pump unloader and the high pressure

using the quick couplers provided.

hose, Connect the high pressure hose between the pump

outlet and the gun inlet. Both of these connections are

with quick couplers.

made

, install

CAUTION

Up to 100 ft be used. performance, and chemical injector performance,

Install the appropriate spray tip on the wand. See Installing and Changing Spray Tips. If you are using a sandblaster instructions.

(30 m) of high pressure hose may

Longer hoses may affect sprayer

if used.

kit, see its separate manual for installation

ATER

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, backflow of contaminated water into the fresh water

inlet water pressure is over regulating water valve, P/N 800–258, must be installed

Do not exceed 160_ F (70_ C) inlet water temperature.

Connect 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

P/N 801–133, is available to prevent

supply

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

. Install it upstream from the pump.

60 psi (4.1 bar) a

at the garden hose connection.

minimum Technical

flow rate equal to that of the unit (see

Data, inside back cover).

must

have a



STARTUP

Always use this start-up procedure to ensure that the

is started safely and properly

unit

Check oil levels.

1. Engine: Add SAE 30 or 10W–30 weight detergent

as necessary

oil

Add SAE 20

Pump: as

necessary

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. refueled.

2. Check

fuel level.

or 30 weight non–detergent oil

Check the oil level each time the unit is

WARNING

DO NOT

engine regular or unleaded gasoline. Close the fuel shutoff

3. T

urn on the water supply

refuel a hot engine. Refueling a hot

could cause a fire. Use only fresh, clean valve during refueling.

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.

4. Trigger the gun until water sprays from the tip indicating

5. Open ignition cable is pushed firmly onto the spark plug. On those units equipped with an ignition shutoff switch, throttle

Start the engine.

NOTE: For

that the air is purged from the system.

the fuel shutoff valve. Be sure the spark plug

put the switch in the “on” position and put the in the “run” position.

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

Grasp the starter rope, brace one foot on the

choke. 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, 10 to 30 seconds before opening it to keep the engine as

the engine is warm, leave the choke partly close it. Start the engine as described in the preceding paragraph. When it starts, be sure to open

the choke may have

running. Otherwise,

the engine starts.

the choke completely

to be kept closed for

open the choke as soon

open, or just

CAUTION

On recoi return

ALWAYS

7. whenever reduce the risk of fluid injection or splashing in the eyes accidentally.

ALWAYS

8. avoid

l s

tar

t e

ngines

, n

eve

r let the s

y i

tself

. I

t c

oul

d j

am the recoi

engage the gun’s trigger safety latch

you stop spraying, even for a moment, to

or on the skin if the gun is bumped or triggered

observe the following CAUTIONS to

costly damage to the pressure washer

tarte

l s

r r

ystem.

CAUTION

DO NOT

more recirculating water to overheat and seriously damage the pump. Turn off the pressure washer if it will not be spraying or cleaning at least every 10 minutes. If heated inlet water is used,

DO NOT

damage fully

inlet keep could clog or scratch the pump. Keep this screen

DO NOT

materials

allow the pressure washer to idle for

than 10 minutes. Doing so may cause the

reduce this time further

run the pump dry, which will quickly

the pump. Be sure the

turned on before starting the pump.

NOT

operate the pressure washer with the

water

screen removed. This screen helps

abrasive sediment out of the pump, which

clean.

pump caustic materials; such

may corrode the pump components.

water supply is

ope

 

9. See

the chemical for detailed cleaning information if these accessories

injector or sandblaster kit manual

are used.

Trigger Safety Latch

WARNING

To reduce the risk of serious bodily injury, including on latch whenever spraying stops, even for a moment.

fluid injection, splashing in the eyes or

the skin,

ALWAYS

engage the trigger safety

Installing and Changing Spray Tips

WARNING

To reduce the risk of serious bodily injury, including or onto the skin, use extreme caution when changing spray tips. procedure

fluid injection or splashing in the eyes

below

ALWAYS

follow the

the engaged position, the

In prevents the gun from being triggered accidentally by hand or if it is dropped or

bumped. when engaging it or it cannot prevent the gun

being triggered. See Figure 2.

from

TRIGGER SAFETY LA

sure the latch is pushed fully down

trigger safety latch

TCH SHOWN ENGAGED

Follow the

2. Point the gun and wand away from yourself and anyone

3. Without back and/or install a See

Figure 3.

4. Be sure the tip is secure before starting to spray again.

5. Tip

holding holes are provided on the chassis.

Pressure Relief Procedure

else.

holding your hand over the spray tip (A), pull

the quick coupler ring (B). Remove

new one, and then release the ring.

the old tip

CAUTION

To avoid blowing the o–ring out of the quick coupler, never securely

due to the high pressure in the system,

operate the pressure washer without a tip

mounted in the quick coupler

Figure 2

TRIGGER SAFETY LA

DISENGAGED

TCH SHOWN

Figure 3



SHUTDOWN, FLUSHING AND STORAGE

WARNING

Pressure

To reduce the risk of serious bodily injury, including fluid injection and splashing in the eyes, or on the skin, always follow this procedure whenever you stop spraying for more than 10 minutes, when shutting down, and system.

Relief Procedure

before checking or repairing any part of the

MAINTENANCE

Observing regular maintenance intervals helps ensure that you get maximum performance and life from the pressure

There is a break–in period for the engine, pump and gear reducer (if used). After changing the oil in these components the

If the unit is operating in dusty conditions, these maintenance

washer

interval between required changes is longer

following their respective break–in

checks should be made more often.

periods,

1. Engage

2. T

3. Remove the ignition cable from the spark plug.

4. Shut

5. Disengage the trigger safety latch and trigger engage

6. Before long–term (overnight) storage or transporting of unit, disconnect the water supply,

1. 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. again

NOTE: An anti–freeze flush kit, P/N 802–327, is

the trigger safety latch.

urn the sprayer of

f the water supply

the gun to relieve pressure, and then

the trigger safety latch again.

and turn of

Flush the pressure washer before using it

to remove the anti–freeze.

available

to make flushing easier

f the fuel supply valve.

CAUTION

If water does freeze in the pressure washer, thaw it in a warm room before trying to start it.

NOT

pour hot water on

may

crack the ceramic plungers!

2. After each use, wipe all surfaces of the pressure washer

3. Perform the appropriate maintenance. See maintenance

with a clean, damp cloth.

chart.

or into the pump; it

WARNING

To reduce the risk of serious bodily injury, including on follow the Pressure Relief Procedure

Warning

Interval

Daily

After first 5 hours of operation

Each 25 hours of operation

After first 50 hours of operation

Each 100 hours of operation or 3 months

Each 500 hours of operation or 6 months

fluid injection, splashing in the eyes or

the skin or injury from moving parts, always

before proceeding.

What to do

Clean water inlet screen and filter

. Check engine and pump oil levels. Fill as necessary gasoline level. Fill as necessary

Change oil when warm. Use SAE 30 or 10W–30 detergent oil.

Clean and remove air cleaner foam. Wash with water and detergent. Dry thoroughly with oil and squeeze to distribute oil.

Change pump break–in oil. Use SAE 20 or 30 non–detergent oil. Change gear reducer oil. Use SAE 90 gear oil.

Clean or replace paper air cleaner cartridge. T remove dirt. Change engine oil. Use SAE 30 or 10W–30 detergent oil.

Change pump oil. Use SAE 20 or 30 non–detergent oil. Change gear reducer oil. Use SAE 90 gear oil.

engine break–in oil. Drain

. Check

ap gently to

. Rub

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