Graco Inc 255630, 248696, 255631, 248889, 248694 User Manual

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Operation

GMAX™ II 3900/5900/5900HD/5900 Convertible/7900 TexSpray 5900HD Convertible/7900HD Airless Sprayers

- For Portable Airless Spraying of Architectural Coatings and Paints -

3300 psi (22.8 MPa, 228 bar) Maximum Working Pressure

Read warnings and instructions

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GMAX ll 3900 248683 ✓✓ 248684 ✓✓ 248685 ✓✓ 248686 ✓✓

GMAX ll 5900 248687 ✓✓ 248688 ✓✓ 248689 ✓✓ 248690 ✓✓

GMAX II 5900HD

248699 ✓✓

GMAX ll 5900 Convertible 248691 ✓✓ 248692 ✓✓ 248693 ✓✓ 248694 ✓✓ 248695 ✓✓ 248696 ✓✓ 248697 ✓✓ 248889 ✓✓ 248890 ✓✓

GMAX ll 7900 248700 ✓✓ 248701 ✓✓ 248702 ✓✓ 248703 ✓✓

TexSpray 5900 HD Convertible 255630 ✓✓ 255631 ✓✓ 255954 ✓✓

TexSpray 7900 HD

255632 ✓✓

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310894 309640

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Manual Conventions

WARNING

Hazard Symbol

WARNING: a potentially hazardous situation which, if

not avoided, could result in death or serious injury. Warnings in the instructions usually include a symbol

indicating the hazard. Read the general Warnings section for additional safety information.

CAUTION

CAUTION: a potentially hazardous situation which, if

not avoided, may result in property damage or destruction of equipment.

Note

Additional helpful information.

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Warning

The following warnings include general safety information for this equipment. Further product specific warnings may be included in the text where applicable.

WARNING

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.

• Do not fill fuel tank while engine is running or hot; shut off engine and let it cool. Fuel is flammable and can ignite or explode if spilled on hot surface.

• When flammable liquid is sprayed or used for flushing or cleaning, keep sprayer at least 20 feet (6 m) away from explosive vapors.

• 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 present.

• Ground equipment and conductive objects in 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.

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 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.

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

• Engage trigger lock when not spraying.

• Follow Pressure Relief Procedure in this manual, when you stop spraying and before cleaning, checking, or servicing equipment.

PRESSURIZED EQUIPMENT HAZARD

Fluid from the gun/dispense valve, leaks, or ruptured components can splash in the eyes or on skin and cause serious injury.

• Follow Pressure Relief Procedure in this manual, when you stop spraying and before cleaning, checking, or servicing equipment.

• Tighten all fluid connections before operating the equipment.

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

ELECTRIC SHOCK HAZARD

Improper grounding, setup, or usage of the system can cause electric shock.

• Turn off and disconnect power cord before servicing equipment.

• Use only grounded electrical outlets.

• Use only 3-wire extension cords.

• Ensure ground prongs are intact on sprayer and extension cords.

MOVING PARTS HAZARD

Moving parts can pinch or amputate fingers and other body parts.

• Keep clear of moving parts.

• Do not operate equipment with protective guards or covers removed.

• Pressurized equipment can start without warning. Before checking, moving, or servicing equipment, follow the Pressure Relief Procedure in this manual. Disconnect power or air supply.

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Warning

WARNING

EQUIPMENT MISUSE HAZARD

Misuse can cause death or serious injury.

• 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 equipment manuals. Read fluid and solvent manufacturer’s warnings.

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

• Do not alter or modify equipment.

• For professional use only.

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

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

• Do not use hoses to pull equipment.

• Comply with all applicable safety regulations.

PRESSURIZED ALUMINUM PARTS HAZARD

Do not use 1,1,1-trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or fluids containing such solvents in pressurized aluminum equipment. Such use can cause serious chemical reaction and equipment rupture, and result in death, serious injury, and property damage.

SUCTION HAZARD

Never place hands near the pump fluid inlet when pump is operating or pressurized. Powerful suction could cause serious injury.

CARBON MONOXIDE HAZARD

Exhaust contains poisonous carbon monoxide, which is colorless and odorless. Breathing carbon monoxide can cause death. Do not operate in an enclosed area.

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 MSDS’s to know the specific hazards of the fluids you are using.

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

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. Wait until equipment/fluid has cooled completely.

PERSONAL PROTECTIVE EQUIPMENT

You must wear appropriate protective equipment when operating, servicing, or when in the operating area of the equipment to help protect you from serious injury, including eye injury, inhalation of toxic fumes, burns, and hearing loss. This equipment includes but is not limited to:

• Protective eyewear

• Clothing and respirator as recommended by the fluid and solvent manufacturer

•Gloves

• Hearing protection

RECOIL HAZARD

Brace yourself; gun may recoil when triggered and cause you to fall, which could cause serious injury.

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Component Identification

OFF

5 6

OFF

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1 Engine controls 2 Engine ON/OFF switch 3 Premium Digital Display 4 Pump On/Off Switch 5 Pressure control 6 Prime valve & Filter 7

Suction tube & Inlet Filter

Premium AutoClean

9Pump 10 Drain hose 11

ProConnect 12 Trigger Lock 13

WatchDog

™

switch

™

(not available on all models)

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Setup

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Connect appropriate Graco high-pressure hose to sprayer. Tighten securely

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2. Install adapter and

3.6m whip hose to other end of 15m

airless hose.

3. Install whip hose to fluid inlet of spray gun.

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4. Tighten securely. 5. Remove tip guard.

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Approximate Fill Level

Setup

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6. Remove inlet strainer and filter bowl screen when spraying plaster materials.

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7. Fill throat packing nut with TSL to prevent premature packing wear. Do this each time you spray.

(cold)

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8. Check engine oil level. Add SAE 10W-30 (summer) or 5W-20 (winter), if necessary.

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9. Fill fuel tank. 10. Attach sprayer grounding clamp to earth ground.

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Setup

Convertible Models

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Change Engine to Motor

1. Disconnect engine power cord.

Release

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2. Release tension bar. 3. Remove engine; tilt and slide back.

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4. Install motor; drop in and push forward.

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Convertible Models

Setup

Release

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Change Motor to Engine

1. Look through side vent holes and ensure drive belt is in motor pulley.

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2. Secure motor with tension bar.

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3. Plug in pressure control power cord.

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