Graco GX-16 Manuel utilisateur

313536U

Instructions - Parts

GX-16

For dispensing polyol and isocyanate materials only. For professional use only.

For indoor use only. Not approved for use in European explosive atmosphere

requirements.

3000 psi (21 MPa, 207 bar) Maximum Fluid Working Pressure

2500 psi (17 MPa, 172 bar) Maximum Hydraulic Working Pressure

180°F (82°C) Maximum Fluid Temperature

Important Safety Instructions

Read all warnings and instructions in this

manual. Save these instructions.

ti12896a

Model 257496 shown

2313536U

Contents

Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Important Two-Component Material Information . 6

Isocyanate Conditions . . . . . . . . . . . . . . . . . . . . . 6

For all applications except spray foam . . . . . . . . 7

Material Self-ignition . . . . . . . . . . . . . . . . . . . . . . 7

Keep Components A and B Separate . . . . . . . . . 7

Moisture Sensitivity of Isocyanates . . . . . . . . . . . 7

Foam Resins with 245 fa Blowing Agents . . . . . . 8

Changing Materials . . . . . . . . . . . . . . . . . . . . . . . 8

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Trigger Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Gun Connections . . . . . . . . . . . . . . . . . . . . . . . 10

Fluid Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Gun Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Shutoff Valve Setup . . . . . . . . . . . . . . . . . . . . . 12

Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Theory of Operation . . . . . . . . . . . . . . . . . . . . . 14

Pressure Relief Procedure . . . . . . . . . . . . . . . . . . 15

Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Recommended Tools . . . . . . . . . . . . . . . . . . . . 16

Grease the Gun . . . . . . . . . . . . . . . . . . . . . . . . 16

Recommended Hydraulic Oil . . . . . . . . . . . . . . 16

Recommended Grease . . . . . . . . . . . . . . . . . . . 16

Clean and Service the Orifices and Filters . . . . 17

Proximity Switch Replacement Procedure . . . . 18

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Gun Models 257496, 257498, 257499,

257505, 257506, 257507, 24J187, 24E876 20

Gun Models 257492, 257493, 257494, 257495 22

Gun Models 257497, 257502, 257503, 257504,

24E877, 24E878 . . . . . . . . . . . . . . . . . . . . . 24

Gun Models 24K233, 24K234 . . . . . . . . . . . . . . 26

Dispenser Models 257513, 257514, 257515 . . 28

Gun Models 26C466, 25E973, 25E974, 25E975 30

Orifices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Gun Handle Kit 24K223 . . . . . . . . . . . . . . . . . . 33

Gun Handle Models 257509, 257510 . . . . . . . 34

Gun Handle Model 26C463 . . . . . . . . . . . . . . . 35

Pour Handle Models 257594, 257596 . . . . . . . . 37

Optional Shutoff Valve Kit . . . . . . . . . . . . . . . . . 38

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

California Proposition 65 . . . . . . . . . . . . . . . . . . . 41

Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 42

Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . 42

Models

313536U 3

Models

Models used specifically for HFR machines.

Models used specifically for HFR-NVH machines.

† Models are CE approved.

Part No. Description

257492† GX-16 Pour Gun, 24:1, Pour Handle, Right Side Chemical Tubes,

Star-Shaped Trigger Switch Connector

257493† GX-16 Pour Gun, 24:1, Pour Handle, Left Side Chemical Tubes,

Star-Shaped Trigger Switch Connector

257494† GX-16 Pour Gun, 24:1, Pour Handle, Right Side Chemical Tubes, Cir-

cular Trigger Switch Connector

257495† GX-16 Pour Gun, 24:1, Pour Handle, Left Side Chemical Tubes, Cir-

cular Trigger Switch Connector

257496† GX-16 Pour Gun, 24:1, Isolated Pistol Handle

257497† GX-16 Pour Gun, 24:1, No Handle

257498† GX-16 Pour Gun, No Handle, No Orifice

257499† GX-16 Pour Gun, Reverse Block, No Handle, No Orifice

257502† GX-16 Pour Gun, 1:1, No Handle

257503† GX-16 Pour Gun, 1:1, No Handle, No Fittings

257504† GX-16 Pour Gun, 1:1, No Handle, 3 ft Hoses

257505† GX-16 Pour Gun, 1:1, Pistol Handle, No Orifice, Proximity Switch

257506† GX-16 Pour Gun, 1:1, Isolated Pistol Handle, Proximity Switch

257507† GX-16 Pour Gun, 1:1, Isolated Pistol Handle, No Orifice, Proximity

Switch

24E876†GX-16 Pour Gun, HFR™, NVH, Straight, Basic

24E877† GX-16 Pour Gun, HFR, NVH, Right, 24:1

24E878† GX-16 Pour Gun, HFR, NVH, Right, Basic

24J187† GX-16 Pour Gun, HFR, NVH, Straight, 24:1

24K233† GX-16 Pour Gun, HFR, NVH, Left, 24:1

24K234† GX-16 Pour Gun, HFR, NVH. Left, Basic

25E973GX-16 Pour Gun, No Handle, 1:1, PEEK Nozzle

25E974GX-16 Pour Gun, No Handle, 24:1, PEEK Nozzle

25E975GX-16 Pour Gun, LED Handle, 1:1, Magnetic Nozzle

26C466GX-16 Pour Gun, LED Handle, 24:1, Magnetic Nozzle

25R248GX-16 Pour Gun, LED Handle, 24:1, Plain Nozzle

25P155GX-16 Pour Gun, No Handle, 2:1, Plain Nozzle

25P154GX-16 Pour Gun, LED Handle, 2:1, Plain Nozzle

25R249GX-16 Pour Gun, LED Handle, 1:1, Plain Nozzle

Warnings

4313536U

Warnings

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

tion point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back

to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where

applicable.

WARNING

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 Sheet (SDS) 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.

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.

SKIN INJECTION HAZARD

High-pressure fluid from dispensing device, 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.

• Engage trigger lock when not dispensing.

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

• Do not put your hand over the fluid outlet.

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

• Follow the Pressure Relief Procedure when you stop dispensing 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

313536U 5

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 Data in all equipment manuals.

•Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data in all equip-

ment manuals. Read fluid and solvent manufacturer’s warnings. For complete information about your material,

request MSDS 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.

•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.

FIRE AND EXPLOSION HAZARD

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

•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 pres-

ent.

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

•Use only grounded hoses.

•Hold gun firmly to side of grounded pail when triggering into pail.

•If there is static sparking or you feel a shock, stop operation immediately. Do not use equipment until you

identify and correct the problem.

•Keep a working fire extinguisher in the work area.

BURN HAZARD

Equipment surfaces and fluid that’s heated can become very hot during operation. To avoid severe burns:

•Do not touch hot fluid or equipment.

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 con-

taining such solvents.

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

compatibility.

WARNING

Important Two-Component Material Information

6313536U

Important Two-Component Material Information

Isocyanate Conditions

Spraying or dispensing fluids that contain isocyanates creates potentially harmful mists, vapors, and atomized

particulates.

• Read and understand the fluid manufacturer’s warnings and Safety Data Sheet (SDS) to know specific haz-

ards and precautions related to isocyanates.

• Use of isocyanates involves potentially hazardous procedures. Do not spray with this equipment unless you

are trained, qualified, and have read and understood the information in this manual and in the fluid manu-

facturer’s application instructions and SDS.

• Use of incorrectly maintained or mis-adjusted equipment may result in improperly cured material.which

could cause off gassing and offensive odors. Equipment must be carefully maintained and adjusted accord-

ing to instructions in the manual.

• To prevent inhalation of isocyanate mists, vapors and atomized particulates, everyone in the work area

must wear appropriate respiratory protection. Always wear a properly fitting respirator, which may include

a supplied-air respirator. Ventilate the work area according to instructions in the fluid manufacturer’s SDS.

• Avoid all skin contact with isocyanates. Everyone in the work area must wear chemically impermeable

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

latory authority. Follow all fluid manufacturer recommendations, including those regarding handling of con-

taminated clothing. After spraying, wash hands and face before eating or drinking.

• Hazard from exposure to isocyanates continues after spraying. Anyone without appropriate personal pro-

tective equipment must stay out of the work area during application and after application for the time period

specified by the fluid manufacturer. Generally this time period is at least 24 hours.

• Warn others who may enter work area of hazard from exposure to isocyanates. Follow the recommenda-

tions of the fluid manufacturer and local regulatory authority. Posting a placard such as the following outside

the work area is recommended:

TOXIC FUMES

HAZARD

DO NOT ENTER DURING

SPRAY FOAM APPLICATION

OR FOR ___ HOURS AFTER

APPLICATION IS COMPLETE

DO NOT ENTER UNTIL:

DATE:

TIME:

____________

Important Two-Component Material Information

313536U 7

For all applications except spray

foam

Material Self-ignition

Keep Components A and B

Separate

Moisture Sensitivity of

Isocyanates

Exposure to moisture (such as humidity) will cause ISO to par-

tially cure, forming small, hard, abrasive crystal that become

suspended in the fluid. Eventually a film will form on the sur-

face and the ISO will begin to gel, increasing in viscosity.

NOTE: The amount of film formation and rate of crystallization

varies depending on the blend of ISO, the humidity, and the

temperature.

Spraying or dispensing fluids that contain isocyanates cre-

ates potentially harmful mists, vapors, and atomized partic-

ulates.

•Read and understand the fluid manufacturer’s warn-

ings and Safety Data Sheet (SDS) to know specific

hazards and precautions related to isocyanates.

•Use of isocyanates involves potentially hazardous pro-

cedures. Do not spray with this equipment unless you

are trained, qualified, and have read and understood

the information in this manual and in the fluid manufac-

turer’s application instructions and SDS.

•Use of incorrectly maintained or mis-adjusted equip-

ment may result in improperly cured material. Equip-

ment must be carefully maintained and adjusted

according to instructions in the manual.

•To prevent inhalation of isocyanate mists, vapors, and

atomized particulates, everyone in the work area must

wear appropriate respiratory protection. Always wear a

properly fitting respirator, which may include a sup-

plied-air respirator. Ventilate the work area according

to instructions in the fluid manufacturer’s SDS.

•Avoid all skin contact with isocyanates. Everyone in

the work area must wear chemically impermeable

gloves, protective clothing and foot coverings as rec-

ommended by the fluid manufacturer and local regula-

tory authority. Follow all fluid manufacturer

recommendations, including those regarding handling

of contaminated clothing. After spraying, wash hands

and face before eating or drinking.

Some materials may become self-igniting if applied too

thick. Read material manufacturer’s warnings and Safety

Data Sheet (SDS).

Cross-contamination can result in cured material in fluid

lines which could cause serious injury or damage equip-

ment. To prevent cross-contamination:

•Never interchange component A and component B

wetted parts.

•Never use solvent on one side if it has been contami-

nated from the other side.

NOTICE

Partially cured ISO will reduce performance and the life of all

wetted parts.

•Always use a sealed container with a desiccant dryer in

the vent, or a nitrogen atmosphere. Never store ISO in

an open container.

•Keep the ISO pump wet cup or reservoir (if installed)

filled with appropriate lubricant. The lubricant creates a

barrier between the ISO and the atmosphere.

•Use only moisture-proof hoses compatible with ISO.

•Never use reclaimed solvents, which may contain mois-

ture. Always keep solvent containers closed when not in

use.

•Always lubricate threaded parts with an appropriate

lubricant when reassembling.

Grounding

8313536U

Foam Resins with 245 fa

Blowing Agents

Some foam blowing agents will froth at temperatures above

90°F (33°C) when not under pressure, especially if agitated.

To reduce frothing, minimize preheating in a circulation sys-

tem.

Changing Materials

Grounding

The equipment must be grounded. Grounding reduces

the risk of static and electric shock by providing an

escape wire for the electrical current due to static build

up or in the event of a short circuit.

Pump: use ground wire and clamp (supplied). Connect

ground clamp to a true earth ground.

Gun: ground through connection to a properly grounded

fluid hose and pump.

Fluid supply container: 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 non-conductive sur-

face, such as paper or cardboard, which interrupts

grounding continuity.

Maintain grounding continuity: When flushing or

relieving pressure, hold metal part of the gun firmly to

the side of a grounded metal pail, then trigger the gun.

NOTICE

Changing the material types used in your equipment

requires special attention to avoid equipment damage

and downtime.

• When changing materials, flush the equipment

multiple times to ensure it is thoroughly clean.

• Always clean the fluid inlet strainers after flushing.

• Check with your material manufacturer for chemi-

cal compatibility.

• When changing between epoxies and urethanes

or polyureas, disassemble and clean all fluid com-

ponents and change hoses. Epoxies often have

amines on the B (hardener) side. Polyureas often

have amines on the B (resin) side.

Trigger Lock

313536U 9

Trigger Lock

Verify that the trigger lock is engaged whenever you stop pouring to avoid accidental triggering. Check daily for

chemical build-up on trigger, trigger lock, and trigger lock spring that can prevent proper trigger lock function.

Engage

To engage the trigger lock, release the trigger. The trig-

ger lock is spring loaded and automatically engages

when the gun trigger is released.

To engage the trigger lock, press the trigger lock down.

Disengage

To disengage the trigger lock, press trigger lock down.

See the following figure.

To disengage the trigger lock, press the trigger lock up.

FIG. 1: Models 257509, 257510

Trigger Lock

ti14491a1

FIG. 2: Kit 24K223

ti10442a

FIG. 3: Models 257509, 257510

ti12896a1

ti14491a1

FIG. 4: Kit 24K223

ti10441a

Setup

10 313536U

Setup

Gun Connections

† Only hoses are taped, fittings are not taped.

FIG. 5

ti12897a

Ref Description Tape Color † Fitting Size HFR Systems Only

AA Pressure Line Red 7/16 ORG x

#6 JIC Female

7/16 ORG x

#5 JIC Female

BA Return Line Red and White 7/16 ORG x

#6 JIC Male

7/16 ORG x

#5 JIC Male

CB Pressure Line Blue 7/16 ORG x

#5 JIC Female

7/16 ORG x

#6 JIC Female

DB Return Line Blue and White 7/16 ORG x

#5 JIC Male

7/16 ORG x

#6 JIC Male

EHydraulic Open Line Green and White 7/16 ORG x

#4 JIC Male Extension

7/16 ORG x

#4 JIC Male Extension

FHydraulic Close Line Green 7/16 ORG x

#4 JIC Male Elbow

7/16 ORG x

#4 JIC Male Elbow

GProximity Switch or Plug

(depending on model) NA NA NA

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