Graco Inc Hydra-Clean 800-706, Hydra-Clean 308-532, Hydra-Clean 800-707 User Manual

INSTRUCTIONS-PAR

This

manual contains

WARNINGS

AND

RET

and

AIN FOR REFERENCE

IMPORTANT

INSTRUCTIONS

READ

TS LIST

308–532

Rev

HYDRA-CLEAN Pressure W

HYDRA-CLEAN P/N 800–706, Series A

3500 psi (241 bar) OPERA

3900 psi (269 bar) MAXIMUM WORKING PRESSURE

HYDRA-CLEAN P/N 800–707, Series A

4000 psi (276 bar) OPERA

4300 psi (296 bar) MAXIMUM WORKING PRESSURE

3540, 12.5 HP ENGINE

4043, 16 HP ENGINE

ashers

TING PRESSURE



3540, 4043

GRACO INC. P

.O. Box 1441 MINNEAPOLIS, MN 55440–1441

COPYRIGHT

1991, 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 your body and cause extremely serious bodily injury including splashed damage.

NEVER

part of the body.

tip.

spray

ALWAYS before

NEVER

body.

Be sure equipment safety devices are operating properly

can inject fluid through your skin and into

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 any

NEVER

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

Medical Treatment

If any fluid appears to penetrate your skin, get

EMERGENCY MEDICAL TREA TMENT A T ONCE. DO NOT TREAT AS A SIMPLE CUT . Tell the doctor

exactly

what fluid was injected.

NOTE TO PHYSICIAN:

traumatic injury .

injury surgically as soon as possible.

It is important to treat the

Injection in the skin is a

Do not delay treatment to research toxicity. Toxicity is a concern with some exotic coatings injected

into

directly

the bloodstream. Consultation with a

plastic surgeon or reconstructive hand surgeon

be advisable.

may

Pressure Relief Procedure

reduce the risk of serious bodily 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

and before checking or repairing any part of the

down, system.

1. Engage

2. T

Remove the ignition cable from the spark plug.

Shut of

5. Disengage the trigger safety latch and trigger the

gun to relieve pressure, and then engage the trigger

6. Before long–term (overnight) storage or

transporting of the unit, disconnect the water supply

the trigger safety latch.

urn the sprayer of

f the water supply

safety latch again.

and disconnect the fuel supply

injury

, including fluid

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

SPRAY TIP SAFETY : Use extreme caution when cleaning or changing spray tips. If a spray tip clogs while spraying, engage the gun safety latch immediately.

Procedure

bodily injury

always set the gun safety latch in the engaged

properly set the safety

and then remove the spray tip to clean it.

ALWAYS

latch can result in accidental

follow the Pressure Relief



308–532

FUEL AND EMISSION HAZARDS

NEVER

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

ALWAYS

NEVER

exhaust contains carbon monoxide, a poisonous, odorless, invisible gas which can cause serious injury or

fill the fuel tank while the unit is

fill tank slowly to avoid spilling.

operate the unit in a closed building. The

death if inhaled.

running or hot.

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

doing

CHECK

replace

ALWAYS

clothing. If using a chemical injector , read and follow the 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;

so could cause it to malfunction.

all spray equipment regularly and repair or

worn or damaged parts immediately

wear protective eyewear and appropriate

as a respirator

NEVER

factory set. Tampering with this adjustment can damage

System

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

alter the maximum throttle setting, which is

the pressure washer and will void the warranty

Pressure

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

DO NOT

exceed the maximum working

Chemical Compatibility

BE SURE

injector are compatible with the wetted parts of the hose, (inside back cover). Always read the chemical manufacturer’s this pressure washer

that all chemicals used in the chemical

gun, wand and tip, as given in the T

literature before using any chemical in

echnical Data

HOSE SAFETY

High

pressure fluid in the hoses can be very dangerous.

the hose develops a

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

all fluid connections securely before each

High pressure fluid can dislodge a loose coupling

leak, split or rupture due to any

The strain reliefs help protect the

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 .

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

HANDLE

pull chemicals and temperatures above 200  F (93  C) or below –40F (–40 C).

use a damaged hose. Before

NOT

try to recouple high

the high pressure fluid.

pressure hose or mend it

each use, check

AND ROUTE HOSES CAREFULL

on hoses to move the pressure washer

which are not compatible with the inner

cover of the hose.

DO NOT

expose

Graco hose to

Do not

. Do not

use

tube

308–532

MOVING PARTS HAZARD

Moving parts can pinch or amputate fingers or other body parts. starting

NEVER

and interlocks installed and functioning. Follow the

KEEP CLEAR

or operating the pressure washer

operate the

pressure washer without all guards

of moving parts when

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

NOTE: Identifies

helpful

procedures and information.

CAUTION: Alerts user to avoid or correct conditions

could cause damage to the equipment.

that

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.

308–532

INSTALLATION

HIGH

PRESSURE

HOSE

CONNECTION

TER

SUPPL

CONNECTION

SPRAY

HOSE

QUICK

COUPLER

SPRAY

GUN

QUICK

COUPLER

TEE HANDLE

(4043 ONL

Figure

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

Fill

the battery cells with electrolyte and water

the

battery

and secure. Connect the fuel line to the engine using

quick coupler provided. Squeeze the priming bulb 3

the to 5 times. If you are using a downstream chemical injector, install it between the pump unloader and the high

Connect the high pressure hose between the pump outlet made

. Be sure

pressure hose, using the

and the gun inlet. Both of these connections are with quick couplers.

the battery connections are correct

quick couplers provided.

. Charge

CAUTION

Up to 100 ft (30 m) of high pressure hose may be used. performance, if

used.

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

Longer hoses may af fect sprayer

and chemical injector

kit, see

its separate manual for installation

performance,

Connect to Water Supply

CAUTION

Before attaching to the water supply, check your

plumbing code regarding cross–

local to the water supply . A backflow preventer , P/N 801–133, is available to prevent backflow of contaminated water into the fresh water supply .

it upstream from the pump.

Install

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

The

supply hose

long.

NOTE: The water source at the unit

at the garden hose connection.

a hose with at least a 3/4 inch (19

s 3/4 inch garden hose inlet.

should not be more than 50 ft (15 m)

minimum flow rate equal to that of the unit

echnical Data, inside back cover).

(see T

connection

mm) ID from

must

have a

308–532

STARTUP

Always use this startup procedure to ensure that the

is started safely and properly

unit

Check oil levels.

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

Add SAE 20 or 30 weight non–detergent

Pump: or

genuine CA

NOTE: This pressure washer is equipped with a

low–oil 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

unit is refueled.

the

Check fuel level.

T pump

sensor that shuts the engine of

oil as necessary

f if the

WARNING

DO NOT

engine could cause a fire. Use only fresh, clean regular or unleaded gasoline. Close the fuel shutoff

3. T

refuel a hot engine. Refueling a hot

valve during refueling.

urn on the water supply

CAUTION

Never

run the unit dry will result. Always be sure the water supply is completely

turned on before operating.

. Costly damage to the pump

oil

If the engine is cold, completely close the engine

Press the start button. In

choke. choke may have to be kept closed for 10 to 30 seconds before opening it to keep the engine running. engine

If the engine is warm, leave the choke open or partially preceding paragraph. When the engine starts, be sure

ALWAYS

whenever reduce eyes accidentally.

ALWAYS

8. avoid

Otherwise, open the choke as

starts.

closed.

to open the choke completely

the risk of fluid injection or splashing in the

or on the skin if the gun is bumped or triggered

costly damage to the pressure washer

Start the engine as described in the

engage the gun’ s trigger safety latch

you stop spraying, even for a moment, to

observe the following CAUTIONS to

cool weather

soon as the

CAUTION

NOT

allow the pressure than 10 minutes. Doing so may cause the recirculating water to overheat and seriously damage will not be spraying or cleaning at least every 10 minutes. If heated inlet water is used, reduce this time further.

DO NOT

damage turned

the pump. T

run the pump dry , which will quickly

the pump. Be sure the water

on before starting the pump.

urn of

washer to idle for more

f the pressure washer if it

supply is fully

, the

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

5. Open ignition cables are pushed firmly onto the spark plugs. Put the ignition shutof f switch in the “on” position

Start the engine.

NOTE: For

that the air is purged from the system.

the fuel shutof

and the throttle in the “run” position.

easier starting, have one person start the pressure washer while another person triggers

the spray gun.

f valve. Be sure the spark plug

NOT

operate the water screen removed. This screen helps keep abrasive sediment out of the pump, which could

or scratch the pump. Keep this screen clean.

clog

DO NOT

may

9. See for detailed cleaning information if these accessories

pump caustic materials; such materials

corrode the pump components.

the chemical injector or sandblaster kit

pressure washer with the inlet

are used.

manual

308–532

Trigger Safety Latch

WARNING

To reduce the risk of serious bodily injury , including fluid injection, splashing in the eyes or on the skin, latch whenever spraying stops, even for a moment.

In the engaged position, the trigger safety latch prevents the gun from being triggered accidentally Be sure the latch is pushed fully down when engaging triggered.

ALWAYS

by hand or if it is dropped or bumped.

it or it cannot

See Figure 2.

engage the trigger safety

prevent the gun from being

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

ALWAYS

tips.

Follow the

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

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

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

pull tip and/or install a new one, and then release the

See Figure 3.

ring.

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

follow the procedure below

Pressure Relief Procedure

else.

TRIGGER SAFETY LA

DISENGAGED

Figure 2

TCH SHOWN ENGAGED

TCH SHOWN

5. Tip

holding holes are provided on the chassis.

CAUTION

To avoid blowing the o–ring out of the quick coupler, due to the high pressure in the system, never operate the pressure washer without a tip securely

Figure 3

mounted in the quick coupler

308–532

SHUTDOWN, FLUSHING AND STORAGE

MAINTENANCE

WARNING

Pressure

To reduce the risk of serious bodily injury , including or on the skin, always follow this procedure whenever you stop spraying for more than 10 minutes, when shutting down, and before checking

2. T

3. Remove the ignition cables from the spark

4. Shut

5. Disengage

6. Before long–term (overnight) storage or

1. If the pressure washer will be exposed to freezing temperatures, drain all water out of the pump. If it must unit with a 50% anti–freeze solution. Relieve pressure. it

again to remove the anti–freeze.

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

Relief Procedure

fluid injection

or repairing any part of the system.

Engage the trigger safety latch.

urn the sprayer of

plugs.

f the water supply

the trigger safety latch and trigger

the

gun to relieve pressure, and then engage

the

trigger safety latch again.

transporting supply,

and disconnect the fuel supply

be stored in freezing temperatures, flush the

Flush the pressure washer before

available

and splashing in the eyes,

of the unit, disconnect the water

to make flushing easier

using

CAUTION

water does freeze in the

in a

warm room before trying to start it.

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

ceramic plungers!

the

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

with a clean, damp cloth.

pressure washer

DO NOT

, thaw

Observing that you get maximum performance and life from the pressure

There is a break–in period for the engine and pump. After changing the oil in these components following their required

If the unit is operating in dusty conditions, these maintenance

regular maintenance intervals helps ensure

washer

respective

changes is longer

break–in periods, the interval between

checks should be made more often.

WARNING

To 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 Warning

proceeding.

before

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

What to do

Clean water inlet screen and filter

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

Change engine break–in oil. Drain 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 or genuine CA

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 or genuine CAT pump oil.

T

pump oil.

. Check

. Rub

ap gently to

3. Perform the appropriate maintenance. See maintenance

308–532

chart.

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