Graco XTR 7 User manual

312145K

Instructions, Parts

XTR™5 and XTR™7

Airless Spray Gun

For use with protective coating materials.

XTR 5

5000 psi (35 MPa, 345 bar) Maximum Working Pressure

XTR 7

7250 psi (50 MPa, 500 bar) Maximum Working Pressure

See page Parts, page 14, for model information.

Important Safety Instructions

Read all warnings and instructions in this

manual and in your sprayer instruction

manual before using the equipment. Save

all instructions.

Important Medical Information

Read the medical alert card provided with

the gun. It contains injection injury

treatment information for a doctor. Keep it

with you when operating the equipment.

ti5045b

II 2 G Ex h T6 Gb

2312145K

Contents

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

Pressure Relief Procedure . . . . . . . . . . . . . . . . . . . 6

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

System Requirements . . . . . . . . . . . . . . . . . . . . . . . 7

Gun Trigger Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Spray Tip Installation . . . . . . . . . . . . . . . . . . . . . . . 8

RAC Tip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Flat Tip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Adjusting Spray Pattern . . . . . . . . . . . . . . . . . . . 9

Cleaning Tips/Clearing Clogs . . . . . . . . . . . . . . . 9

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Flushing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Cleaning and Replacing Filter . . . . . . . . . . . . . . 10

Cleanup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Trigger Removal . . . . . . . . . . . . . . . . . . . . . . . . 11

Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Test Gun Before Using . . . . . . . . . . . . . . . . . . . 12

Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

XTR5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

XTR7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Technical Specifications . . . . . . . . . . . . . . . . . . . . 19

Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 20

Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . 20

Warnings

312145K 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

SKIN INJECTION HAZARD

High-pressure fluid from gun, hose leaks, or ruptured components will pierce skin. This may look like

just a cut, but it is a serious injury that can result in amputation. Get immediate surgical treatment.

• Do not spray without tip guard and trigger guard installed.

• Engage trigger lock when not spraying.

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

• Do not put your hand over the spray tip.

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

• Follow the Pressure Relief Procedure when you stop spraying and before cleaning, checking, or

servicing equipment.

• Tighten all fluid connections before operating the equipment.

• Check hoses and couplings daily. Replace worn or damaged parts immediately.

FIRE AND EXPLOSION HAZARD

Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. Paint or solvent

flowing through the equipment can cause static sparking. To help prevent fire and explosion:

• Use equipment only in well-ventilated area.

• Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and plastic drop

cloths (potential static sparking).

• Ground all equipment in the work area. See Grounding instructions.

• Never spray or flush solvent at high pressure.

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

• Do not plug or unplug power cords, or turn power or light switches on or off when flammable fumes

are present.

• Use only grounded hoses.

• Hold gun firmly to side of grounded pail when triggering into pail. Do not use pail liners unless they

are anti-static or conductive.

•Stop operation immediately if static sparking occurs or you feel a shock.Do not use equipment until

you identify and correct the problem.

• Keep a working fire extinguisher in the work area.

Warnings

4312145K

EQUIPMENT MISUSE HAZARD

Misuse can cause death or serious injury.

• Do not operate the unit when fatigued or under the influence of drugs or alcohol.

• Do not exceed the maximum working pressure or temperature rating of the lowest rated system

component. See Technical Specifications in all equipment manuals.

• Use fluids and solvents that are compatible with equipment wetted parts. See Technical

Specifications in all equipment manuals. Read fluid and solvent manufacturer’s warnings. For

complete information about your material, request Safety Data Sheets (SDSs) from distributor or

retailer.

• Do not leave the work area while equipment is energized or under pressure.

• Turn off all equipment and follow the Pressure Relief Procedure when equipment is not in use.

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

manufacturer’s replacement parts only.

• Do not alter or modify equipment. Alterations or modifications may void agency approvals and create

safety hazards.

• Make sure all equipment is rated and approved for the environment in which you are using it.

• Use equipment only for its intended purpose. Call your distributor for information.

• Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.

• Do not kink or over bend hoses or use hoses to pull equipment.

• Keep children and animals away from work area.

• Comply with all applicable safety regulations.

PRESSURIZED ALUMINUM PARTS HAZARD

Use of fluids that are incompatible with aluminum in pressurized equipment can cause serious chemical

reaction and equipment rupture. Failure to follow this warning can result in death, serious injury, or

property damage.

• Do not use 1,1,1-trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or

fluids containing such solvents.

• Do not use chlorine bleach.

• Many other fluids may contain chemicals that can react with aluminum. Contact your material supplier

for compatibility.

TOXIC FLUID OR FUMES HAZARD

Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled or

swallowed.

• Read Safety Data Sheets (SDSs) for handling instructions and to know the specific hazards of the

fluids you are using, including the effects of long-term exposure.

• When spraying, servicing equipment, or when in the work area, always keep work area well-ventilated

and always wear appropriate personal protective equipment. See PERSONAL PROTECTIVE

EQUIPMENT warnings in this manual.

• Store hazardous fluid in approved containers, and dispose of it according to applicable guidelines.

BURN HAZARD

Equipment surfaces and fluid that is heated can become very hot during operation. To avoid severe

burns:

• Do not touch hot fluid or equipment.

WARNING

Warnings

312145K 5

RECOIL HAZARD

Gun may recoil when triggered. If you are not standing securely, you could fall and be seriously injured.

PERSONAL PROTECTIVE EQUIPMENT

Always wear appropriate personal protective equipment and cover all skin when spraying, servicing

equipment, or when in the work area. Protective equipment helps prevent serious injury, including

long-term exposure; inhalation of toxic fumes, mists or vapors; allergic reaction; burns; eye injury and

hearing loss. This protective equipment includes but is not limited to:

• A properly fitting respirator, which may include a supplied-air respirator, chemically impermeable

gloves, protective clothing and foot coverings as recommended by the fluid manufacturer and local

regulatory authority.

• Protective eyewear and hearing protection.

WARNING

Pressure Relief Procedure

6312145K

Pressure Relief

Procedure

Follow the Pressure Relief Procedure whenever

you see this symbol.

1. Engage the trigger lock.

2. Shut off the pump.

3. Disengage the trigger lock.

4. Hold a metal part of the gun firmly to a grounded

metal pail. Trigger the gun to relieve pressure.

5. Engage the trigger lock.

6. Open the fluid drain valve over a waste container

(see System Requirements, page 7). Leave drain

valve open.

If pressure is not fully relieved:

• Spray tip is clogged. For RAC tip, see Cleaning

Tips/Clearing Clogs, page 9. For flat tip, slowly

loosen tip guard retaining nut to relieve pressure.

Remove and clean the tip.

• Hose is clogged. Slowly loosen hose end coupling

to relieve pressure. Clean the hose obstruction.

Grounding

Check your local electrical code and pump or sprayer

manual for detailed grounding instructions.

Spray gun: ground through connection to a properly

grounded fluid hose and pump.

Fluid hose: use only electrically conductive hoses with

a maximum of 500 ft. (150 m) combined hose length to

ensure grounding continuity. Check electrical resistance

of hoses. If total resistance to ground exceeds 29

megohms, replace hose immediately.

Fluid supply container: follow local code.

Object being sprayed: follow local code.

Solvent pails used when flushing: follow local code.

Use only conductive metal pails, placed on a grounded

surface. Do not place the pail on a nonconductive

surface, such as paper or cardboard, which interrupts

grounding continuity.

To maintain grounding continuity when flushing or

relieving pressure: hold metal part of the spray

gun/dispense valve firmly to the side of a grounded

metal pail, then trigger the gun/valve.

This equipment stays pressurized until pressure is

manually relieved. To help prevent serious injury from

pressurized fluid, such as skin injection, splashing

fluid and moving parts, follow the Pressure Relief

Procedure when you stop spraying and before

cleaning, checking, or servicing the equipment.

The equipment must be grounded to reduce the risk

of static sparking. Static sparking can cause fumes to

ignite or explode. Grounding provides an escape wire

for the electric current.

System Requirements

312145K 7

System Requirements

• Install a bleed-type master air valve on a pneumatic

pump air supply line to relieve air trapped between

this valve and pump after air regulator is shut off.

Trapped air can cause the pump to cycle

unexpectedly.

• Install a fluid drain valve between the pump and gun

to relieve pressure in displacement pump, hose, and

gun. Triggering to relieve pressure may not be

sufficient. See the Pressure Relief Procedure,

page 6.

Gun Trigger Lock

To prevent injury when the gun is not in use, always

engage the gun’s trigger lock if unit is being shut

down or left unattended. A wallet-sized warning card

with important injection treatment information is

included with the gun. Additional cards are available

at no charge. Provide a card to all operators.

The trigger lock must move freely, and easily snap

into the locked position. If the trigger lock is damaged

or movement is restricted, replace with new trigger kit

(16) immediately.

ti5049b ti5048b

Trigger Locked

(no spray)

Trigger Unlocked

(spray)

Spray Tip Installation

8312145K

Spray Tip Installation

RAC Tip

1. Follow the Pressure Relief Procedure, page 6.

Engage the trigger lock.

2. Snap gasket (20b) on fluid seal (20a). Use tool (A)

to insert gasket and seal into housing, seal first. Tip

the tool to remove it when seal is in place.

3. Install tip cylinder (20c) as shown. Turn 90°

counterclockwise to spray position, so the arrow

faces forward. Install assembled RAC onto spray

gun.

Flat Tip

1. Follow the Pressure Relief Procedure, page 6.

Engage the trigger lock.

2. Insert tip (32) and gasket (30) into back of guard

(31).

3. Install the guard over the end of the gun.

To avoid serious injury from skin injection, do not put

your hand in front of the spray tip when installing or

removing the spray tip and tip guard.

YES

ti10635c

20b 20a

ti10636b

20c

ti10051a

Operation

312145K 9

Operation

1. Connect a grounded fluid hose.

2. Without spray tip attached, flush the pump. Use the

lowest pressure possible.

3. Prime. Refer to the sprayer manual.

4. Follow the Pressure Relief Procedure, page 6.

5. Install the spray tip and tip guard.

6. RAC tips only: In spray position, arrow on tip

cylinder (20c) faces forward.

7. Hold the gun perpendicular and approximately 12

inches (304 mm) from the surface. Wear gloves if

the fluid temperature exceeds 110°F (43°C).

8. Move the gun first, then pull the gun trigger to spray

onto test paper.

a. Adjust the fluid pressure until spray is

completely atomized.

b. If adjusting the pressure does not give a good

spray pattern, follow Pressure Relief

Procedure, page 6, then try another tip size.

9. Trigger the gun full-open or full-close.

Adjusting Spray Pattern

The spray tip orifice and spray angle determine pattern

coverage and size. When you need more coverage, use

a larger spray tip rather than increasing fluid pressure.

1. Follow the Pressure Relief Procedure, page 6.

Engage the trigger lock.

2. Loosen tip guard retaining nut.

3. Align the guard horizontally to spray a horizontal

pattern. Align guard vertically to spray a vertical

pattern.

4. Tighten the nut.

Cleaning Tips/Clearing Clogs

NOTE: Clean the tip guard at the end of each workday.

1. Follow the Pressure Relief Procedure, page 6.

Engage the trigger lock.

2. Clean the spray tip.

a. RAC tips: Rotate tip 180° so arrow on tip

cylinder (20c) faces backward. Disengage the

trigger lock. Trigger the gun into a pail or onto

the ground to remove clog. Engage the trigger

lock. Rotate tip 180° back to spray position.

b. Flat tips: Remove tip and clean with a

solvent-soaked brush.

3. If the RAC tip is still clogged:

a. Shut off sprayer and disconnect power source.

b. Open the fluid drain valve (see System

Requirements, page 7) to relieve pressure.

c. Remove and clean the spray tip.

20c

ti11482a

20c

ti11483a

Maintenance

10 312145K

Maintenance

Flushing

Flush the pump and gun before fluid can dry in it. If

available, use flushing procedure provided in your pump

manual instead of this procedure.

1. Follow the Pressure Relief Procedure, page 6.

Engage the trigger lock.

2. Remove the spray tip and guard from gun. Clean

with solvent.

3. Put the pump intake in a grounded pail of

compatible solvent.

4. Start the pump at its lowest pressure.

5. Disengage trigger lock, then trigger the gun into the

paint pail. When solvent appears, release trigger.

6. Trigger the gun into solvent pail. Circulate fluid until

the system is thoroughly flushed.

7. Follow the Pressure Relief Procedure, page 6.

Engage the trigger lock.

Cleaning and Replacing Filter

(Not applicable for XTR510, XTR706, and

17V677)

1. Follow the Pressure Relief Procedure, page 6.

Engage the trigger lock.

2. Disconnect the trigger guard from the gun body by

pushing up on the guard hook and pulling it out of

the notch.

3. The trigger guard beneath the gun handle can then

be used as a wrench to loosen the nut.

4. When the alignment notches are no longer

engaged, use your hand to twist the handle and

remove it from the gun head.

5. Remove the filter.

6. Clean the filter using a soft brush.

7. Replace the filter.

8. Apply a light coating of grease to the threads and

then attach.

9. Use the trigger guard to tighten the nut.

10. Reattach the trigger guard to the gun.

Cleanup

Flush the gun after each work shift and store in a dry

location. Do not leave the gun or any parts in water or

cleaning solvents.

Failure to clean or replace the filter or damaged

handle bore can result in serious injury.

Before performing any maintenance on the gun, read

all warnings in this manual and relieve pressure.

ti5052a

ti5054a

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