Graco TexSpray EXT HP User manual

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10

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308717

Rev. K

7120B

Model 231761

shown

ti5068a

INSTRUCTIONS–PARTS LIST

INSTRUCTIONS

This manual contains important

warnings and information.

READ AND KEEP FOR REFERENCE.

– For Water-Based Materials Only –

ELECTRIC TEXTURE SPRAYER WITH COMPRESSOR

TexSpraytEXT HP and Twin Tank

100 psi (0.7 MPa, 7 bar) Maximum Working Pressure

Power Model Description

120V,

60 Hz

231761 Sprayer Model 231561

with 1-in. fluid hose, 3/8-in. air

hose, and Trigger Gun with fine

finish tip

231762 Sprayer Model 231561

with 1-in. fluid hose, 3/8-in. air

hose, and Flex Gun

231763 Sprayer Model 231561

with 1-in. fluid hose, 3/8-in. air

hose, and 3-ft Pole Gun

240V,

50 Hz

231769 Sprayer Model 231563

with 1-in. fluid hose, 3/8-in. air

hose, and Trigger Gun with

fine-finish tip

231770 Sprayer Model 231563

with 1-in. fluid hose, 3/8-in. air

hose, and Flex Gun

231771 Sprayer Model 231563

with 1-in. fluid hose, 3/8-in. air

hose, and 3-ft Pole Gun

None 231753 Twin-Tank Model 231587

with 1-in. fluid hose, 3/8-in. air

hose, and Trigger Gun with

fine-finish tip

231754 Twin-Tank Model 231587

with 1-in. fluid hose, 3/8-in. air

hose, and Flex Gun

231755 Twin-Tank Model 231587

with 1-in. fluid hose, 3/8-in. air

hose, and 3-ft Pole Gun

GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441

ECOPYRIGHT 1997, GRACO INC.

Graco Inc. is registered to I.S. EN ISO 9001

Parts

2 308717

Table of Contents

Warnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Component Identification and Function 4. . . . . . . . . . . .

Preparation 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Startup 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Spray Techniques 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Shutdown and Cleanup 14. . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Removing and Reinstalling Compressor 18. . . . . . . . . .

Removing and Inspecting Cooler 20. . . . . . . . . . . . . . . .

Typical Twin Tank Setup 21. . . . . . . . . . . . . . . . . . . . . . . .

TexSpray EXT Wiring Diagram 22. . . . . . . . . . . . . . . . . .

Parts

TexSpray EXT Models 231561 and 231563 22. . . . . .

TexSpray Twin Tank Model 231587 24. . . . . . . . . . . . .

Pressure Pot 239023 25. . . . . . . . . . . . . . . . . . . . . . . . .

Accessories 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Technical Data 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Graco Warranty 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Graco Phone Number 28. . . . . . . . . . . . . . . . . . . . . . . . . .

Symbols

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.

WARNING

INSTRUCTIONS

EQUIPMENT MISUSE HAZARD

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

DThis equipment is for professional use only.

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

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

DDo not expose the system to rain. Always store the system indoors.

DDo not alter or modify this equipment. Use only genuine Graco parts.

DCheck equipment daily. Repair or replace worn or damaged parts immediately.

DDo not exceed the maximum working pressure of the lowest rated component in your system. This

equipment has a 100 psi (0.7 MPa, 7 bar) maximum working pressure at 100 psi (0.7 MPa,

7 bar) maximum air pressure.

DTo reduce the risk of serious injury, including electric shock and splashing fluid in the eyes, follow

the Pressure Relief Procedure on page 6 before checking or repairing the compressor.

DDo not use hoses to pull equipment.

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

Graco hoses to temperatures above 55_C (130_F) or below –40_C (–40_F).

DDo not lift pressurized equipment.

DDo not lay equipment down or allow material in pressure pot to plug the port to the pressure pot

cover safety valve.

DDo not use the pot cover storage hook to lift the sprayer.

3308717

WARNING

TOXIC FLUID HAZARD

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

inhaled, or swallowed.

DKnow the specific hazards of the fluid you are using.

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

state, and national guidelines.

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

solvent manufacturer.

DPipe and dispose of exhaust air safely, away from people, animals, and food handling areas.

DNever directly inhale compressed air. Compressed air may contain toxic vapors.

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.

DThe system is for use only with water-based materials. Use fluids compatible with the equip-

ment wetted parts. Refer to the Technical Data section of all equipment manuals. Read the fluid

and solvent manufacturer’s warnings.

DGround the equipment. See Grounding and Electrical Requirements on page 7.

DIf there is any static sparking or you feel an electric shock while using this equipment, stop spray-

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

DProvide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid

being sprayed.

DKeep the work area free of debris, including solvent, rags, and gasoline.

DThe pressure pot is lined to prevent corrosion and aid pot cleanup. To prevent liner damage, do not

mix texture material in the pot. Inspect the pot daily, and replace the pot if corrosion or other dam-

age is present.

DLocate the sprayer at least 20 ft (6.1 m) away from any explosive vapors, due to arcing parts.

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

CLEANING SOLVENT HAZARD WITH PLASTIC PARTS

Use only compatible solvents to clean all plastic parts. Many solvents can degrade plastic parts to the

point where they could fail. Such failure could cause serious injury or property damage. See the

Technical Data section on page 27 in this instruction manual and in all other equipment manuals.

Read the fluid and solvent manufacturer’s warnings.

Fig. 1

L

A

P

J

F

N

H

B

K

E

G

C

D

M

S

closed

R

open

ti5069a

4 308717

Component Identification and Function

Component Function

AON/OFF switch Power switch that controls 120/240V AC power to sprayer

BAir pressure regulator Adjusts air pressure in pot to control flow rate of material to spray gun

CPot cover storage hook Allows the cover to hang from cart frame during pressure pot refilling

DPot safety valve Prevents pot pressure from exceeding 100 psi (0.7 MPa, 7 bar)

EPot vent valve Allows quick venting of pot air pressure for refilling and cleanup

FFive-gallon pressure pot Holds texture material

GAir filter Filters incoming air to the compressor

HFluid valve Shuts off fluid supply to spray gun

JSpray gun Uses compressor air to break up and spray texture material

KAir outlet Provides quick disconnection of air supply from spray gun

LAuxiliary air compressor port Provides connection to replacement or supplemental air compressor

MCompressor safety valve Prevents supply and gun air pressure from exceeding 100 psi (0.7 MPa,

7 bar) limit

N Cooler Reduces temperature of air from compressor

P Compressor Open frame AC motor, 1-phase, with oil-less single-stage air compressor

RGun air valve Shuts off air supply to spray gun

SAir line drain valve Allows air line moisture accumulation to be drained

5308717

Notes

6 308717

Preparation

Compressor Break-in

The first time you use the system, run the compressor

under no load to break it in, improve performance, and

lengthen its life.

1. Connect the air hose to the air outlet (K) and to the

gun air inlet. Open gun air valve (R) all the way.

See Fig. 2.

Fig. 2

K

R

ti5071a

2. Turn ON/OFF switch (A) ON. Run system for 15

minutes. Turn the switch OFF. See Fig. 3.

Fig. 3 7122B

A

WARNING

PRESSURIZED EQUIPMENT HAZARD

The system pressure must be manually relieved to

prevent the system from starting or spraying

accidentally. To reduce the risk of an injury from

accidental spray from the gun, splashing fluid, or

moving parts, follow the Pressure Relief

Procedure whenever you

DAre instructed to relieve the pressure

DStop spraying

DCheck or service any of the system equipment

DInstall or clean the spray nozzle

Pressure Relief Procedure

1. Shut off the system.

2. Trigger the gun into a pail.

3. Open the gun air ball valve (R) (handle parallel

with valve body). See Fig. 2.

4. Unplug the system.

7308717

Preparation

Grounding and Electrical Requirements

WARNING

Improper installation or alteration of the grounding

plug will result in a risk of electric shock, fire or

explosion that could cause serious injury or death.

Extension Cords

DUse only an extension cord with an undamaged,

3-prong plug.

DFor up to 25 ft (7.6 m) cord, use 3-wire, 12 AWG

(1.5 mm2) minimum.

DFor 25 to 50 ft (7.6 to 15.2 m) cords, use 3-wire,

10 AWG (2.5 mm2) minimum.

120V AC Systems

DThis equipment requires a 120V AC, 60 Hz, 15A

circuit with a grounding receptacle. See Fig. 4.

Fig. 4

grounding prong

grounded

outlets

DDo not alter the ground prong or use an adapter.

DA maximum length of 25 ft, 12 AWG or 50 ft,

10 AWG extension cord may be used.

240V AC Systems

DThis equipment requires a 240V AC, 50 Hz, 16A

circuit with a grounding receptacle. See Fig. 5.

Fig. 5

grounded

outlet

grounding prong 9248A

DDo not alter the ground prong or use an adapter.

DA maximum length of 8 m, 1.5 mm2or 15 m,

2.5 mm2extension cord may be used.

Hose Size and Lengths

The system comes with a hose set consisting of a 1 in.

ID x 25 ft (25 mm x 7.6 m) fluid hose and a 3/8 in. ID

air hose. The 1 in. hose set includes an adapter hose

between the gun and main hose. See Parts List on

page 23.

Do not use more than 75 ft (23 m) of fluid hose.

Auxiliary Air Compressor

An external air compressor may be connected

(adapter included) to the auxiliary air compressor port

(L) to supplement, or replace, the internal air

compressor of the TexSpray. This may be useful when

DAdditional air is needed to break up hard-to-spray

materials

DWhen the job site does not have the proper electric

service, but a gasoline-powered compressor is

available

WARNING

Over pressurizing the system may cause compo-

nent rupture and resulting in serious injury.

To reduce the risk of over pressurizing the system, do

not use a compressor with an output pressure greater

than 100 psi (70 kPa, 7 bar), and/or with a delivery

greater than 6.8 scfm at 90 psi (0.19 m3/min. at

60.3 kPa, 6.3 bar).

Removing and Installing the Pressure Pot

1. To remove the pressure pot (F), loosen the knob

(T) so that about 1 in. of the threads are showing.

Lift the pot off the unit. See Fig. 6.

2. To install the pressure pot, align bracket over slots

(S) and set it on the plastic base. Tighten the knob

(T). See Fig. 6.

Fig. 6

S

F

7124A

T

8 308717

Preparation

System Setup

See Fig. 7

1. Connect the hoses and gun as shown.

2. Be sure the air filter (G) is in place.

3. Plug the power cord into a properly grounded

outlet.

Fig. 7

G

L

A

K

ti5072a

9308717

Preparation

Operation Characteristics

DAlways start the system with the compressor air

relieved.

DAir bleeds from the gun nozzle whenever the gun

air ball valve (R) is open. Close the gun air ball

valve to stop the air, if desired. See Fig. 8. See

Spraying Techniques on pages 12 and 13 for

more gun characteristics.

DA compressor unloader valve (M) with two pressure

relief valves (W) is located under the compressor

guard (11). Air escapes from the valve, often

causing a popping sound, when air flow at the gun

is too restricted. The valve resets automatically

when the air flow is increased. See Fig. 9.

WARNING

The motor has a thermal overload switch that shuts

down the motor if it overheats.

To reduce the risk of serious bodily injury due to the

system restarting unexpectedly, always turn the

ON/OFF switch (A) OFF if the motor shuts down.

See Fig. 7.

CAUTION

Damage to the power cord may result from uninter-

rupted operation. Do not operate sprayer at maxi-

mum pressure for more than 1 hour in any 2 hour

period.

Fig. 8

open

R

1Gun air valve

shown open

1

ti5073a

Fig. 9

M

11

7074A

W

10 308717

Preparation

Wetting the Hose Before Spraying Texture

Material

Wet the inside of the hose before each use to flush out

sediment and to prevent the texture material from

packing out the hose.

1. The pot capacity is 5 gallons (19 liters). Add two

gallons of clean water to the pot.

NOTE: A small amount of air flow through the gun

helps to prevent material from backing up the needle

valve.

2. Partially open the gun air valve (R). (The system

primes easier if a little air is supplied to the gun.)

3. Turn the ON/OFF switch (A) ON. Adjust the

regulator (B) to pressurize the pot to about 20 psi

(138 kPa,1.4 bar). Trigger the gun into a pail.

Spray water to wet the inside of the fluid hose.

4. Turn the ON/OFF switch (A) OFF.

5. Open the gun air ball valve (R) to relieve the

compressor air. Open the pot vent valve (E) to

vent the pot.

Fig. 10

closed

R

open

ti5074a

Mixing the Material

CAUTION

This system is designed for use with only certain

types of material. Any other use could seriously

damage the unit.

DDo not use any solvent-based materials. Use

only water-based materials.

DUse only simulated acoustic and gypsum-based

wall texture materials in this system.

DNot all cementious materials can be sprayed.

Many cementious materials will damage the

sprayer.

Proper material mixture is essential. The sprayer

will not operate if the material is too thick.

Slowly add one bag of texture material to clean water

as instructed on the bag instructions. Agitate to a

smooth, lump-free consistency. Thin or thicken the

material as needed before pouring it into the pot.

For the best results, do not use partial bags of

material.

Premixed cementious material is typically sprayable;

bagged cementious material is typically unsprayable.

Perform the following procedure to determine if a

bagged material is sprayable and whether it could

damage the sprayer:

1. Mix material and wait 10 minutes.

2. If the material settles out, it will probably pack out

when you attempt to spray it, which would damage

the sprayer. Do not use the material.