Graco 24B327 User manual

313537E

Operation, Repair, Parts

Free Flow Applicator

For portable spraying of water-based materials. Can be used for application of

solvent-based materials only when solvent compatible seals are installed and solvent

compatible, conductive hoses are used. For professional use only.

Not approved for use in European explosive atmosphere locations.

Models 24B327, 17Z128

1000 psi (6.9 MPa, 69 bar) Maximum Fluid Working Pressure

250 psi (1.7 MPa, 17 bar) Maximum Air Working Pressure

Important Safety Instructions

Read all warnings and instructions in this manual and in

the T-Max operation manual before using the equipment.

Save these instructions.

Related Manuals:

3A6748 T-Max Operation, Repair, Parts

Warnings

2313537E

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.

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.

• 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.

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 installed.

• 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.

Warnings

313537E 3

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.

PERSONAL PROTECTIVE EQUIPMENT

Wear appropriate protective equipment when in the work area to help prevent serious injury, including eye

injury, hearing loss, inhalation of toxic fumes, and burns. Protective equipment includes but is not limited to:

• Protective eyewear, and hearing protection.

• Respirators, protective clothing, and gloves as recommended by the fluid and solvent manufacturer.

Pressure Relief Procedure

4313537E

Pressure Relief Procedure

Follow the Pressure Relief Procedure whenever

you see this symbol.

1. Turn ON/OFF switch OFF and turn pressure control

knob fully counterclockwise to OFF.

2. Point applicator into hopper. Turn applicator ON.

3. If you suspect the spray tip or hose is clogged or

that pressure has not been fully relieved:

a. If installed, turn prime valve down to prime

position.

b. VERY SLOWLY loosen the retaining ring (11),

hose end coupling (19), or pressure relief valve

on the sprayer to relieve pressure gradually.

c. Loosen the nut or coupling completely.

d. Clear the obstruction in the hose or tip.

NOTE: If pressure relief valve was used to relieve

pressure, be sure to disassemble and clean thoroughly.

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.

Flush the Equipment (Solvent-Based Materials)

313537E 5

Flush the Equipment

(Solvent-Based Materials)

• Flush before changing materials, before fluid can

dry or cure in the equipment, at the end of the day,

before storing, and before repairing equipment.

• Flush with a fluid that is compatible with the fluid

being dispensed and the equipment wetted parts.

• Flush at the lowest pressure possible. Check con-

nectors for leaks and tighten as necessary.

• Do not leave the applicator or any parts in water or

cleaning solvents.

1. Follow Pressure Relief Procedure, page 4.

2. Remove the spray tip and guard by loosening

retaining ring (11).

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

metal pail. Trigger the gun until clean solvent

dispenses.

4. Store in a dry location.

To avoid fire and explosion, always ground equipment

and waste container. To avoid static sparking and

injury from splashing, always flush at the lowest

possible pressure.

Setup

6313537E

Setup

Make sure pressure control is turned off and gasoline

engine is shut off or power cord is unplugged from power

source. Refer to your sprayer operation manual for

priming and spray instructions.

Airless Spray Setup

Connect Applicator to Sprayer

1. Attach supply hose to sprayer fluid outlet.

2. Attach other end of supply hose to applicator swivel

(19).

3. Refer to sprayer operation manual for priming

instructions.

Install Fluid Filter or Plug

1. When spraying fluids with small aggregates, install

filter support (21) and filter (20, 20a) to reduce tip

clogging.

2. When spraying with large spray tips and fluids with

large aggregates, install plug (20b) to prevent fluid

from entering air passage in housing (1).

Install Applicator Tip and Guard

1. If equipment has recently been operated, perform

Pressure Relief Procedure, page 4.

2. Using a pencil or similar object, insert seal (25) into

back of guard (32).

3. Insert guard (32) into end of applicator.

4. Insert tip (31) in guard (32). Tighten retaining nut.

Air Spray Setup

Connect Applicator to Sprayer

1. Attach supply hose to sprayer fluid outlet.

2. Attach other end of supply hose to applicator swivel

(19).

3. Install air hose to applicator check valve (15).

4. Refer to sprayer operation manual for priming

instructions.

Install Applicator Air Nozzle

1. If equipment has recently been operated, perform

Pressure Relief Procedure, page 4.

2. Install air nozzle (10, 27, 28, 29) and retaining ring

(11).

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.

Operation

313537E 7

Operation

Airless Spray

1. Be sure the arrow shaped tip (31) faces forward

(spray).

2. Hold applicator perpendicular and approximately

40 in. (1 m) from surface. Move applicator first, then

open applicator to spray a test pattern.

3. Slowly increase pump pressure until coverage is

uniform and even (see sprayer instruction manual

for additional information).

Aligning Spray

1. Perform Pressure Relief Procedure, page 4.

2. Loosen guard retaining nut.

3. Align guard (32) horizontally to spray a horizontal

pattern.

4. Align guard (32) vertically to spray a vertical pattern.

Clear Tip Clog

To avoid tip clogs:

• When the applicator is not in use for extended

periods of time, keep the tip “wet” and perform

Pressure Relief Procedure, page 4.

• Keep tip clean and free of material.

1. Rotate SwitchTip to unclog position. Aim applicator

at floor and turn applicator ON. When clog clears,

turn applicator OFF.

2. Rotate SwitchTip back to spray position. Turn

applicator ON. Spray test pattern.

Air Spray

1. Set material flow (see sprayer instruction manual for

additional information).

2. Spray test pattern

3. Turn air knob on and adjust, and/or select another

air nozzle, for desired pattern.

Cleanup

Thoroughly flush applicator after each work session

before fluid begins to cure in applicator. Remove check

valve (2) and clean all residue from air passages. Store

in a dry location. Do not leave the applicator or any parts

in water or cleaning solvents.

NOTE: Check valve (15) will be damaged if any object is

inserted into valve.

(4) Vertical

(3) Horizontal

ti11908a ti11909a

UNCLOG

SPRAY

Operation

8313537E

Parts 24B327

Ref. Part Description Qty.

1 15W371 HOUSING, valve, htx 1

3 24B329 KIT, spool, includes 3a - 3d, 8

3a* 121576 PACKING, o-ring, urethane 114 2

3b* 15W376 WASHER, bearing 1

3c* 122205 RING, retaining, internal 1

3d* 113045 SCREW, sems, mach, phillips 1

4 122206 PIN, drive 1

8* 15W377 HANDLE, valve 1

10 248524 NOZZLE, 4 mm, rnd 1

11 15Y137 RING, retaining, splined 1

12 111027 PACKING, o-ring 1

13 24B568 SWIVEL, assy, htx 1

14 15U368 NUT, cap, 1/4-18 npsm 1

15 289919 KIT, check valve 1

17 122521 SCREW, machine, 1/4-20 x 2.5 1

18 24B328 HANDLE, applicator (includes 17) 1

19 289874 COUPLER, female, qd 1

19a 15G352 GASKET 1

20†289922 FILTER, screen, texture, 18 mesh 1

20a†289923 FILTER, screen, texture, 30 mesh 1

20b 15X791 PLUG, air, passage 1

21 277789 SUPPORT, filter 2

22 15U687 SEAL, adapter, filter, texture 1

23 15D727 ADAPTER, ghd Rac 1

25 246453 KIT, gasket and seat (5 sets) 1

27 248525 NOZZLE, 6mm, rnd 1

28 248526 NOZZLE, 8mm, rnd 1

29 248527 NOZZLE, 10mm, rnd 1

31 LTX671 TIP, spray, Rac X (671) 1

32 246215 GUARD, Rac X 1

33 169967 FITTING, air QD 1

34 121591 KNOB, valve 1

35 112779 VALVE, needle 1

36 156823 UNION, swivel 1

* Included in Spool Repair Kit 24B329

† Includes support 21

Ref. Part Description Qty.

Operation

313537E 9

Parts 17Z128

Ref. Part Description Qty.

1 17Z226 HOUSING, valve, htx 1

3 24B329 KIT, spool, includes 3a - 3d, 8

3a* 121576 PACKING, o-ring, urethane 114 2

3b* 15W376 WASHER, bearing 1

3c* 122205 RING, retaining, internal 1

3d* 113045 SCREW, sems, mach, phillips 1

4 122206 PIN, drive 1

8* 15W377 HANDLE, valve 1

10 248524 NOZZLE, 4 mm, rnd 1

11 15Y137 RING, retaining, splined 1

12 124796 PACKING, o-ring 1

13 17Y920 SWIVEL, assy, htx 1

14 15U368 NUT, cap, 1/4-18 npsm 1

15 289919 KIT, check valve 1

17 122521 SCREW, machine, 1/4-20 x 2.5 1

18 24B328 HANDLE, applicator (includes 17) 1

19 289874 COUPLER, female, qd 1

19a 15G352 GASKET 1

19b 19A680 GASKET, solvent-compatible 1

27 248525 NOZZLE, 6mm, rnd 1

28 248526 NOZZLE, 8mm, rnd 1

29 248527 NOZZLE, 10mm, rnd 1

33 169967 FITTING, air QD 1

34 121591 KNOB, valve 1

35 112779 VALVE, needle 1

36 156823 UNION, swivel 1

* Included in Spool Repair Kit 24B329

† Includes support 21

Ref. Part Description Qty.

Spool Valve Repair

10 313537E

Spool Valve Repair

Before performing any maintenance on applicator, read

all warnings on front cover of this manual and performd

Pressure Relief Procedure, page 4.

Spool Valve Removal

1. Remove screw (3d) and handle (8) from spool (3).

2. Remove retaining ring (3c) and bearing (3b).

3. Remove spool (3) from housing (1).

Spool Valve Installation

1. Apply grease (supplied with Kits 24B329) to spool,

o-rings and bearings and inside of housing.

2. Assemble o-rings onto spool.

3. Install spool in housing and bearing. Secure with

retaining ring (3c).

4. Install handle with screw.

NOTE: All sealing surfaces must be clean to prevent

leaks and damage to equipment.

Technical Data

Maximum fluid working pressure 1000 psi (6.9 MPa, 69 bar)

Maximum air working pressure 250 psi (1.7 MPa, 17 bar)

Air Requirements 30 scfm (0.84 m3/min) Maximum

Fluid Inlet Size 1 in.(m) cam and groove (Graco HP)

Air Inlet Size 1/4 npsm(m)

Wetted Parts Aluminum, stainless steel, PE, POM, polyurethane, nitrile, nylon, PVC, tungsten

carbide

Weight † 2.9 lb (1,3 kg)

Height 5.8 in. (14,7 cm)

Width 7.0 in. (17,8 cm)

Length † 12.7 in. (32,3 cm)

Sound Data without Air (applicator

only):

Sound Pressure Level 84dB(A)*

Sound Power Level 83dB(A)*

Sound Data with Air (applicator

only):

Sound Pressure Level 118dB(A)*

Sound Power Level 118dB(A)*

* Spraying simulated acoustical texture under typical conditions as specified by the material manufacturer.

† Airless configuration

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