Sherwin-Williams 820-001 Owner's Manual download pdf (Page 5)

820-007

EQUIPMENT MISUSE HAZARD

General

Safety

Any misuse of the spray equipment or accessories, such as

overpressurizing, modifying parts, using incompatible chemi-

cals and fluids, or using worn or damaged parts, can cause

them

to rupture and result in fluid injection, splashing in the eyes

on the skin, or other serious injury

or fire, explosion or prop

erty

damage.

NEVER alter or modify any part of this equipment; doing so

could

cause it to malfunction.

CHECK all spray equipment regularly and repair or replace

worn

or damaged parts immediately

Always

wear protective eyewear

, gloves, clothing and respira

tor

as recommended by the fluid and solvent manufacturer

System Pressure

This sprayer can develop 2500 psi (172 bar)

MAXIMUM

WORKING PRESSURE.

Be sure all spray equipment and ac

cessories used are rated to withstand the this pressure. DO

NOT

exceed the maximum working pressure of any component

or accessory used in the system.

Fluid and Solvent Compatibility

All

chemicals used

in the sprayer must be chemically compat

ible with the wetted parts

shown

in the

TECHNICAL DATA

page

28. Consult your chemical supplier to ensure compatibility

not use 1,1,1-trichloroethane, methylene chloride, other ha

logenated hydrocarbon solvents or fluids containing such sol-

vents in this equipment, which contains aluminum and/or zinc

parts.

Such

use could result in a serious chemical reaction, with

the possibility of explosion, which could cause death, serious

injury

and/or substantial property damage.

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 spray emitted from it

can

cause

a fluid injection injury or other serious

injury or property

damage.

All fluid hoses must have strain reliefs on both ends!

The

strain reliefs help protect the hose from kinks or bends at or

to the coupling which can result in hose rupture.

TIGHTEN

all fluid connections securely before each use. High

pressure

fluid can dislodge a loose coupling or allow high pres

sure

spray to be emitted from the coupling.

NEVER

use a damaged hose. Before each use, check the en

tire

hose for cuts,

leaks, abrasion, bulging cover

, or damage or

movement of the hose couplings. If

any of these conditions ex

ist, replace the hose immediately

. DO NOT try to recouple high

pressure hose or mend it with tape or any other device. A re-

paired

hose cannot contain the high pressure fluid.

Handle and route hoses carefully. Do not pull on hoses to

move

equipment. Keep hoses clear of moving parts and hot sur

faces

of the pump and gas engine. Do not use fluids or solvents

which are not compatible with the inner tube and cover of the

hose. DO NOT expose Graco hoses to temperatures above

180



F (82



C) or below –40



F (–40

 C).

Hose Grounding Continuity

Proper hose grounding continuity is essential to maintaining a

grounded

spray system. Check the electrical resistance of your

fluid

hoses at least once a week. If your hose does not have a

tag on it which specifies the maximum electrical resistance,

contact

the hose supplier or manufacturer for the maximum re

sistance

limits. Use a resistance meter in the appropriate range

for your hose to check the resistance. If the resistance exceeds

the recommended limits, replace it immediately. An un-

grounded

or poorly grounded hose can make

your system haz

ardous.

Also read

FIRE OR EXPLOSION HAZARD, below.

FIRE

OR EXPLOSION

HAZARD

Static

electricity is created by the flow of fluid through the pump

and hose. If every part of the spray equipment is not properly

grounded, sparking may occur, and the system may become

hazardous. Sparking may also occur when plugging in or un-

plugging a power supply cord or using a gasoline engine.

Sparks can ignite fumes from solvents and the fluid being

sprayed, dust particles and other flammable substances,

whether you are spraying indoors or outdoors, and can cause

a fire or explosion and serious injury and property damage.

If you experience any static sparking or even a slight shock

while

using this equipment,

OP SPRA

YING IMMEDIA

TELY.

Check the entire system for proper grounding. Do not use the

system again until the problem has been identified and cor-

rected.

Grounding

reduce the risk of static sparking, ground the sprayer and

all

other spray equipment used or located in the spray area.

CHECK

your local electrical code for

detailed grounding instruc

tions

for your area and type of equipment. BE SURE to ground

all

of this spray equipment:

Sprayer:

plug

the power supply cord, or extension cord, both

equipped

with an undamaged three-prong plug, into a prop

erly grounded outlet. Do not use an adapter. All extensions

cords

must have three wires and be rated for 15 amps.

Fluid hoses:

use only grounded hoses with a maximumf

500 ft (150 m) combined hose length to ensure grounding

continuity.

See

Hose Grounding Continuity above.

Spray gun:

obtain grounding through connection to a prop-

erly

grounded fluid hose and sprayer

Object being sprayed:

according to local code.

Fluid supply container:

according to local code.

All

solvent pails used when flushing,

according to local code.

Use

only metal pails, which are conductive. Do not place the

pail on a non–conductive surface, such as paper or card-

board,

which interrupts the grounding continuity

To maintain grounding continuity when flushing or relieving

pressure

always hold a metal part of the gun firmly to the side

a grounded metal pail, then trigger the gun.

Flushing Safety

Reduce the risk of fluid injection injury, static sparking, or

splashing

by following the flushing procedure given on page 12

of this manual. Follow the

PRESSURE

RELIEF

PROCEDURE

on page 4, and remove the spray tip before flushing. Hold a

metal

part of the gun firmly to the side of a grounded metal pail

and

use the lowest possible fluid pressure during flushing.

MOVING

ARTS HAZARD

Moving

parts

can pinch or amputate your fingers or other body

parts.

KEEP CLEAR of moving parts when starting or

operating

the

sprayer

. Follow the

Pressure Relief Procedure

on page

before checking

or servicing any part of the sprayer

, to prevent

from starting accidentally

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.

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Sherwin-Williams 820-001 Owner's Manual Page 5

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