Graco President Hydra-Clean 6880119 Stücklistenhandbuch

306817N

Instructions/Parts

10:1 President Pump

Hydra-Clean®Units

For mounting on open 55 gallon supply drum. May be wall-mounted with accessory

bracket. For professional use only.

Model 6880119, Series C (PTFE Packings)

Model 206515, Series C (Neoprene Packings)

7 MPa, (69 bar, 1000 psi) Maximum Working Pressure

0.7 MPa, (7 bar, 100 psi) Maximum Incoming Air Pressure

• Stainless steel pump and spray valve handle powerful

clean solutions at high pressure.

• Divorced design pump—keeps cleaning solution from

fouling air motor.

• Accumulator reduces line pulses—air charged at the

factory.

• Air line lubricator for automatic lubrication of air motor.

• Suction tube has intake filter.

Solution volume and working pressure can be adjusted

using a different tip orifice size and an air regulator. Fan

pattern can be changed to concentrating jet stream using

blasting tip.

Important Safety Instructions

Read all warnings and instructions in this

manual before using the equipment.

Save these instructions.

2 306817N

Contents

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

Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

General Information . . . . . . . . . . . . . . . . . . . . . . . 6

Connect Hoses and Mount Pump . . . . . . . . . . . . 7

Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Pressure Relief Procedure. . . . . . . . . . . . . . . . . . 8

Before Using . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Useful Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Shutdown and Care of Unit . . . . . . . . . . . . . . . . . 9

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Accumulator Repair . . . . . . . . . . . . . . . . . . . . . . 11

Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Stainless Steel Spray Tips . . . . . . . . . . . . . . . . . 11

Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Technical Specifications . . . . . . . . . . . . . . . . . . . . 15

Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 16

Warnings

306817N 3

Warnings

The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The

exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks.

When these symbols appear in the body of this manual or on warning labels, refer back to these Warnings.

Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this

manual where applicable.

WARNING

EQUIPMENT MISUSE HAZARD

Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.

Use this pump only for pumping water and water--diluted cleaning solutions in a pressure washing

system. Never use the pump for paint or any other coatings. Any misapplication of the pump may

cause dangerous operating conditions which can result in serious injury and substantial property

damage.

• This equipment is for professional use only.

• Read all instruction manuals, tags, and labels before operating the equipment.

• Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor.

• Do not alter or modify this equipment. Use only Graco parts and accessories.

• Check equipment daily. Repair or replace worn or damaged parts immediately.

• Do not exceed the maximum working pressure stated on the equipment or in the Technical Data for

your equipment. Do not exceed the maximum working pressure of the lowest rated component in

your system.

• Usefluids andsolvents whicharecompatiblewiththe equipmentwetted parts.Refer tothe Technical

Data section of all equipment manuals. Read the fluid and solvent manufacturer’s warnings.

• Handle hoses carefully. Do not pull on hoses to move equipment.

• Route hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not expose

Graco hoses to temperatures above 66°C (150°F) or below -40°C (-40°F).

• Wear hearing protection when operating this equipment.

• Do not move or lift pressurized equipment.

• Comply with all applicable local, state, and national fire, electrical, and safety regulations.

Warnings

4 306817N

SKIN INJECTION HAZARD

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

extremely serious injury, including the need for amputation. Splashing fluid in the eyes or on the skin

can also cause a serious injury.

• Fluid injected into the skin might look like just a cut, but it is a serious injury. Get immediate medical

attention.

• Do not point the spray gun at anyone or at any part of the body.

• Do not put hand or fingers over the spray tip.

• Do not stop or deflect fluid leaks with your hand, body, glove, or rag.

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

• Always have the tip guard and the trigger guard on the spray gun when spraying.

• Check the gun diffuser operation weekly. Refer to the gun manual.

• Be sure the gun trigger safety operates before spraying.

• Lock the gun trigger safety when you stop spraying.

• Follow the Pressure Relief Procedure on page 6 whenever you: are instructed to relieve pressure;

stop spraying; clean, check, or service the equipment; and install or clean the spray tip.

• Tighten all the fluid connections before operating the equipment.

• Check the hoses, tubes, and couplings daily. Replace worn, damaged, or loose parts immediately.

Do not repair high pressure couplings; replace the entire hose.

• Fluidhosesmust havespringguardsonboth ends,tohelp protectthemfrom rupturecausedby kinks

or bends near the couplings.

MOVING PARTS HAZARD

Moving parts, such as the air motor piston, can pinch or amputate your fingers.

• Keep clear of all moving parts when starting or operating the pump.

• Never operate the pump with the air motor plates removed.

• Before checking or servicing the equipment, follow the Pressure Relief Procedure to prevent the

equipment from starting unexpectedly.

WARNING

Warnings

306817N 5

FIRE AND EXPLOSION HAZARD

Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and

result in a fire or explosion and serious injury.

• Ground the equipment and the object being sprayed. See Grounding.

• If there is any static sparking or you feel an electric shock while using this equipment, stop spraying

immediately. Do not use the equipment until you identify and correct the problem.

• Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid being

sprayed.

• Keep the spray area free of debris, including solvent, rags, and gasoline.

• Before operating this equipment, electrically disconnect all equipment in the spray area.

• Before operating this equipment, extinguish all open flames or pilot lights in the spray area.

• Do not smoke in the spray area.

• Do not turn on or off any light switch in the spray area while spraying or while operating if fumes are

present.

• Do not operate a gasoline engine in the spray area.

TOXIC FLUID OR FUMES HAZARD

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

inhaled, or swallowed.

• Know the specific hazards of the fluid you are using.

• Store hazardous fluid in an approved container. Dispose of hazardous fluid according to all local,

state and national guidelines.

• Always wear protective eyewear, gloves, clothing and respirator as recommended by the fluid and

solvent manufacturer.

WARNING

Setup

6 306817N

Setup

Grounding

Although water generally provides a natural electrical

ground, the following equipment must be grounded if the

cleaning chemical are volatile.

1. When cleaning in enclosed areas, such as

storage tanks, locate the pump and air compressor

outside the area and well away from it. Provide

adequate ventilation. If the area you are cleaning

has stored flammable materials. take appropriate

precautions to avoid static sparking. Consul your

local codes.

2. Pump: use a ground wire and clamp. See FIG. 1

Loosen the grounding lug locknut (W) and washer

(X). Insert one end of a 1.5 mm2(12 ga) minimum

ground wire (Y) into the slot in lug (Z) and tighten

the locknut securely. Connect the other end of the

wire to a true earth ground. Order Part No. 237569

Ground Wire and Clamp.

FIG. 1

3. Air and fluid hoses: use only electrically

conductive hoses.

4. Air compressor: follow manufacturer’s

recommendations.

5. Spray gun: ground through connection to a

properly grounded fluid hose and pump.

6. Fluid supply container: follow your local code.

7. Object being sprayed: follow your local code.

8. Solvent pails used when flushing: follow your

local code. Use only metal pails, which are

conductive, placed on a grounded surface. Do not

place the pail on a nonconductive surface, such as

paper or cardboard, which interrupts the grounding

continuity.

9. To maintain grounding continuity when flushing

or relieving pressure, hold a metal part of the

spray gun firmly to the side of a grounded metal pail,

then trigger the gun.

General Information

The typical setup shown in FIG. 2 is only a guide to

selecting and installing required and optional

components. For assistance in designing a system to

suit your needs, contact your Graco distributor. Refer to

FIG. 2 for callouts in parentheses.

Before operating the pump, ground the system as

explained below. Also read the section FIREAND

EXPLOSION HAZARD on page 5.

Setup

306817N 7

Connect Hoses and Mount Pump

1. Using Loctite Pipe Sealant, screw the hose stud

(10) of the suction hose into the pump’s intake

housing. See FIG. 2. Remove one of the screws

from the pump base opposite the outlet, and

assemble the hanging bracket (19) to the pump with

the provided screw (9)—use the lockwasher that

was on the replaced screw.

2. Using Loctite®Pipe Sealant, screw the accumulator

(7) inlet adapter into the pump outlet. Connect the

fluid hose to the accumulator, the nozzle to the

spray valve, and the air line lubricator (3) to the

pump air inlet. Hang the pump on your cleaning

solution drum.

NOTE: The filter on the suction hose should be

about 1/2 in. (12.7 mm) off the bottom of the drum. If

the hose is too long, cut it off as necessary.

3. Close the air ball valve (24), then connect your 1/2

ID (min) air supply hose to the 1/2 nptm(f) inlet

union (15)—do not use thread sealer. Install an

accessory air filter and water separator to remove

excessive moisture that could cause air motor icing.

Pour high quality SAE 10 into the lubricator until oil

reaches the level mark on the sight glass.

NOTICE

Oils containing phosphate ester or chlorinated hydro-

carbons are not compatible with the plastic bowl of

the lubricator—be sure that oil used to lubricate the

compressor is free of these additives.

Operation

8 306817N

Operation

Pressure Relief Procedure

Follow the Pressure Relief Procedure whenever

you see this symbol.

1. Lock the Hydra-Clean®gun trigger safety.

2. Close the pump air regulator.

3. Close the red handled bleed-type master air valve

(required in your system)

4. Unlock the gun trigger safety and trigger the gun to

relieve pressure.

5. Lock the gun trigger safety.

6. Open the pump drain valve, having a container

ready to catch the drainage.

7. Leave the drain valve open until you are ready to

spray again.

If you suspect that the dispensing valve, extension, or

grease fitting coupler is clogged, or that pressure has

not been fully relieved after following the steps above,

VERY SLOWLY loosen the coupler or hose end

coupling and relieve pressure gradually, then loosen

completely, now clear the clog.

Before Using

Prepare cleaning solution as instructed, observing all

safety precautions. Pre-mix powered cleaners in a

separate bucket of hot water before adding to water in

the supply drum.

See FIG. 2. Open the main air supply valve, hold the

spray valve open and slowly open the air petcock until

the pump is running slowly. After solution is coming from

the spray nozzle, open the ball valve (24) all the way

and adjust the air line lubricator (3) to deliver about one

drop per minute. Refer to the separate lubricator

instruction manual.

Release the spray valve trigger and let the pump run.

The pump will charge the accumulator with liquid

pressure, then stall.

NOTE: Protect surfaces that might be damaged by the

cleaning solution and rinse before the solution dries on

both surfaces. You can clean stubborn dirt off better with

a stronger, heated solution.

WARNING

To avoid serious injury, including fluid injection and

splashing in the eyes or on the skin, never point the

gun at yourself or anyone else.

Fluid under high pressure can be injected through the

skin and cause serious injury. To reduce the risk of an

injury from injection, splashing fluid, or moving parts,

follow the Pressure Relief Procedure whenever you:

• are instructed to relieve the pressure,

• stop spraying,

• check or service any of the system equipment,

• or install or clean the spray nozzles.

WARNING

Take care not to get spray containing cleaning

chemicals into your eyes, ears, or nose. If any spray

does get on your skin or in your eyes, flush

immediately and thoroughly with water. Seek

immediate medical attention.

Operation

306817N 9

Useful Hints

Hold the spray nozzle about 2 feet (0.6 m) from the

surface and completely mist-wet the object you are

cleaning. Let it soak briefly, then use the spray to

“chisel” the dirt off—keep the nozzle about 6 in. (152.4

mm) from, and at an angle to the surface. If some dirt

remains, wet the surface again. Let the object soak a

little longer, then hold the nozzle as close as possible

and spray to blast the dirt off.

FIG. 2

After all the dirt is cleaned off, rinse all the solution off

with clear, cold water. When you are through cleaning,

close the air petcock and follow the Pressure Relief

Procedure, page 8.

Shutdown and Care of Unit

When shutting down for the day or weekend, shut off the

main air supply and relieve the pressure. Rinse all

solution off the equipment with clear, cold water, Shut

off the water supply valve and relieve the water

pressure.

Check the air line lubricator (3) often and keep it filled

with oil. Also check the pump packing nut regularly and

keep it just tight enough to stop leakage, but no tighter.

Use a 1/4 in. diameter rod to tighten.

WARNING

To reduce the risk of serious injury whenever you are

instructed to relieve pressure, always follow the

Pressure Relief Procedure, page 8.

6018b

24 3

NOTICE

Do not allow the pump to run dry. It will quickly accel-

erate to a high speed, causing damage. If your pump

is running too fast, stop it immediately and check the

fluid supply. If the container is empty and air has

been pumped into the lines, refill the container and

prime the pump and the lines, or flush and leave it

filled with a compatible solvent. Eliminate all air from

the fluid system.

WARNING

To reduce the risk of serious injury whenever you are

instructed to relieve pressure, always follow the

Pressure Relief Procedure, page 8.

Troubleshooting

10 306817N

Troubleshooting

1. Follow Pressure Relief Procedure, page 8, before

checking or repairing the equipment

2. Check all possible problems and causes before

disassembling the equipment.

Problem Cause Solution

Excessive surge at spray nozzle Obstructed spray tip, valve, or hose Clean, clear

Cleaning solution supply empty Refill

Accumulator not working Recharge—see Service on page 11 and

manual 306933

Clogged intake filter, kinked or collapsed

suction hose Clean, unkink

Fluid leaking from valve Loose packing nut or worn packings See manual 307010

Valve will not stop dispensing Valve not adjusted properly See manual 307010

Dirty or worn valve stem or seat Clean, clear, or replace—See manual 307010

Valve will not stop the pump Cleaning solution supply empty Refill

Clogged intake filter, kinked or collapsed

suction hose Clean, unkink

Dirty or worn valve stem or seat Clean clear, or replace—See manual

307010

Dirty or worn fluid piston or packings Service—See manual 308117

Pump operating, but spray

pressure low on up stroke. Dirty or worn fluid piston or packings Service—See manual 308117

Pump operating, but spray

pressure low on down stroke Dirty or worn fluid intake valve Clean, clear, or replace—See manual 308117

Pump operating, but spray

pressure low on both strokes Clogged intake filter, kinked or collapsed

suction hose Clean, unkink

Dirty or worn fluid piston or packings Service—See manual 308117

Dirty or worn fluid intake valve Clean, clear, or replace—See manual 308117

Loose packing nut or worn packings Tighten, replace—See manual 308117

Fluid will not come from pump

(hose removed) Restricted air line Check for closed valve; use larger supply hose

Pump throat packing nut too tight Loosen

Pump air motor not working Service—See manual 306982

System will not spray Restricted air line Check for closed valve; use larger supply hose

Pump air motor not working Service—See manual 306982

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