GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers User Manual

June 17, 2024
Graco

TrueCoat™ Pro and TrueCoat™ Plus Cordless Paint Sprayers

258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers

  • For portable spray applications of water-based and oil-based (mineral spirit-type) architectural paints and coatings only
  • Not for use in explosive atmospheres

IMPORTANT SAFETY INSTRUCTIONS
Read all warnings and instructions in this manual. Save these instructions.
Models 258864, 258880
Maximum Working Pressure 2000 psi (137 bar, 13.7 MPa)

WARNING
Use only water-based or oil-based (mineral spirit-type) materials with flash point greater than 100° F (38° C). Do not use materials which state “FLAMMABLE” on the packaging. For more information about your material, request MSDS from distributor or retailer.
Use oil-based material outdoors or in a well-ventilated indoor area with a flow of fresh air.
Spraying certain materials may cause static build-up in the sprayer that can result in static shock to the user. If this occurs, first ensure the material has a flash point greater than 100° F (38° C) and does not state that it is FLAMMABLE anywhere on the package.  If still feeling a static shock, the material likely contains a non-mineral spirits fluid such as, but not limited to, xylene, toluene, or naphtha, which can build up static.
Switch to an alternative material.

Important User Information

Read this before using your sprayer. See the Operation Manual provided with your sprayer for complete instructions on proper use and safety warnings.
DO NOT RETURN THIS SPRAYER TO THE STORE!
Congratulations! You have purchased a high-quality paint sprayer made by Graco Inc. This sprayer is designed to provide superior spray performance with water-based and oil-based (mineral spirit-type) architectural paints and coatings. This user information  sheet is intended to help you understand the types of materials that can and cannot be used with your sprayer.
Before using this equipment, be sure to read and follow the information on your container label and ask for a Material Safety Data Sheet (MSDS). The container label and MSDS will explain the contents of the material and the specific precautions related to it.
Paints, coatings and clean-up materials generally fit into one of the following 3 basic categories:
WATER-BASED: The container label should indicate that the material can be cleaned up with soap and water. Your sprayer is compatible with this type of material. Your sprayer is NOT compatible with harsh cleaners such as chlorine bleach.
OIL-BASED: The container label should indicate that the material is combustible and can be cleaned up with mineral spirits or paint thinner. The MSDS must indicate that the flash point of the material is above 100° F.
Your sprayer is compatible with this type of material. Use oil-based material outdoors or in a well-ventilated indoor area with a flow of fresh air. See the safety warnings in your Operation Manual.
FLAMMABLE: This type of material contains flammable solvents such as xylene, toluene, naphtha, MEK, lacquer thinner, acetone, denatured alcohol, and turpentine. The container label should indicate that this material is FLAMMABLE. This type of material is NOT compatible with your sprayer and CANNOT be used.
If you experience problems, contact Graco Customer Service at 1-888-541-9788.

Warnings
The following warnings are for the setup, use, 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, 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

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:

  • Sprayer generates sparks. Do not spray or flush with flammable liquids.
  • Use only water-based or oil-based (mineral spirit-type) materials with a flash point greater than 100° F (38° C).
  • Keep spray area well-ventilated. Keep a good supply of fresh air moving through the area.
  • Use oil-based material outdoors or in a well-ventilated indoor area with a flow of fresh air.
  • Do not spray or flush with combustible materials near an open flame or sources of ignition.
  • Paint or solvent flowing through the equipment is able to result in static electricity. Static electricity creates a risk of fire or explosion in the presence of paint or solvent fumes. Keep sprayer at least 10 cm away from objects while spraying or flushing.
  • Do not smoke in the spray area.
  • Do not operate light switches, engines, or similar spark producing products in the spray area.
  • Keep area clean and free of paint or solvent containers, rags, and other flammable materials.
  • Know the contents of the paints and solvents being sprayed. Read all Material Safety Data Sheets (MSDS) and container labels provided with the paints and solvents. Follow the paint and solvents manufacturer’s safety instructions.
  • Fire extinguisher equipment shall be present and working.

SKIN INJECTION HAZARD
High-pressure spray is able to inject toxins into the body and cause serious bodily injury. In the event that injection occurs, get immediate surgical treatment.

  • Do not aim the sprayer at, or spray any person or animal.
  • Keep hands and other body parts away from the discharge. For example, do not try to stop leaks with any part of the body.
  • Always engage the trigger lock when not spraying. Verify the trigger lock is functioning properly.
  • Always use the nozzle tip guard. Do not spray without nozzle tip guard in place.
  • Use caution when cleaning and changing nozzle tips. In the case where the nozzle tip clogs while spraying, follow the Pressure Relief Procedure for turning off the unit and relieving the pressure before removing the nozzle tip to clean.
  • Do not leave the unit energized or under pressure while unattended. When the unit is not in use, turn off the unit and follow the Pressure Relief Procedure for turning off the unit.
  • Check parts for signs of damage. Replace any damaged parts.
  • This system is capable of producing 2000 psi. Use replacement parts or accessories that are rated a minimum of 2000 psi.
  • Do not carry the tool with a finger on the trigger.
  • Verify that all connections are secure before operating the unit.
  • Know how to stop the unit and bleed pressure quickly. Be thoroughly familiar with the controls.

EQUIPMENT MISUSE HAZARD
Misuse can cause death or serious injury.

  • Always wear appropriate gloves, eye protection, and a respirator or mask when painting.
  • Do not operate or spray near children. Keep children away from equipment at all times.
  • Do not overreach or stand on an unstable support. Keep effective footing and balance at all times.
  • Stay alert and watch what you are doing.
  • Do not operate the unit when fatigued or under the influence of drugs or alcohol.
  • Use only in dry locations. Do not expose to water or rain.
  • Use in well-lit areas.

  BATTERY HAZARD
The battery may leak, explode, cause burns, or cause an explosion if mishandled. Contents of an open battery can cause severe irritation and/or chemical burns. If on skin, wash with soap and water. If in eyes, flush with water for at least 15 minutes and seek  immediate medical attention.

  • Do not short-circuit the terminals of the battery.
  • Keep the battery away from fire.
  • Charge only with Graco approved charger as listed in this manual.
  • Do not expose to heat above 170° F (80° C).
  • Do not expose battery to water or rain.
  • Do not disassemble, crush, or penetrate the battery.
  • Follow local ordinances and/or regulations for disposal.

CHARGER ELECTRIC SHOCK, FIRE AND EXPLOSION HAZARD
Improper setup or usage can cause electric shock, fire, and explosion.

  • Charge only Graco 18V Lithium Ion batteries; other batteries may burst.
  • Use only in dry locations. Do not expose to water or rain.
  • If the supply cord is damaged, it must obtained from the manufacturer to avoid a hazard.
  • Ensure that the outside surface of the battery is clean and dry before plugging into the charger.
  • Do not attempt to charge non-rechargeable batteries.
  • Place charger on flat non-flammable surfaces and keep away from flammable materials or fumes when recharging battery.

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

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.

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.

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, hearing loss, inhalation of toxic fumes, and burns. This 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.

Component Identification

A Cordless Paint Sprayer
B Sprayer Hook
C Spray Tip/Guard Assembly (311, 515 included)
D Tip Filter (*Reverse Threaded)
E Suction Tube
F Pump Armor Concentrate (4 oz.)
G Fine-Finish Optimizer with Storage/Cleaning Tool
H Material Cup Cover and Seal
J Material Cup (32 oz)
K Prime/Relief Valve
M Lithium Ion Premium Power Battery Charger
N Material Cup Liners (3 included)
P Lithium Ion Premium Power Battery (2 included)
R Battery Release Button
S Battery Status Indicator Light
T Sprayer Trigger
W Sprayer Trigger Lock
X Sprayer Case

*NOTE: Filter assembly is reverse-threaded. Turn left (or counter- clockwise) to tighten, turn right (or clockwise) to loosen.

Common Procedures

Pressure Relief Procedure

Do not operate or spray near children. Do not aim the sprayer at, or spray any person or animal. Keep hands and other body parts away from the front of the sprayer.
For example, do not try to stop the paint flow with any part of the body.
This sprayer builds up an internal pressure of 2,000 psi during use. Follow this Pressure Relief Procedure whenever you stop spraying and before cleaning, checking, servicing, or transporting equipment to prevent serious injury.

  1. Engage trigger lock.

  2. Put prime/relief valve UP to release pressure.

Trigger Lock

Always engage the trigger lock when you stop spraying to prevent the sprayer from being triggered accidentally by hand, or if dropped or bumped.GRACO
258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers - Figure
4

Spray Tip Position

Always perform Pressure Relief Procedure before adjusting spray tip position.GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint
Sprayers - Figure 5

Prime/Relief Valve Position
GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 6

Charging the Battery

Batteries may leak, explode, cause burns or cause an explosion if mishandled.
Batteries are initially 50% charges to provide optimum battery life and require charging before first use. It takes approximately 45 minutes to charge a dead battery to 80%, at which point it can be used.It will take approximately 75 minutes to fully charge a dead battery.

  1. Slide battery into charger as shown (light will turn on within 5 seconds).

NOTE: Batteries can remain in the charger, which automatically switches to maintenance mode. It is not recommended to store the battery in the charger for longer than one week.
To reduce the risk of electric shock, only use Graco batteries with the Graco charger. Do not insert any foreign objects into the adapter cup.
NOTE: The amount sprayed with each battery varies depending on material, tip size, battery charge, and battery temperature. 1 battery fully charged will spray approximately 1 gallon when using the 515 tip with latex paint.
You will get less when using a smaller tip or thinner material.
NOTICE
Do not place a wet battery in the charger. Damage to equipment will occur.

Charger Status Indicator Lights

Label Appearance Description
Solid green light Indicates a full charge. Use the battery or leave it in

the charger. The automatic Maintenance Mode holds the batteries at full charge.
| Flashing green light| Battery is charging, indicates 80% charge. Battery can be used.
| Flashing red light| Battery is charging, indicates less than 80% charge. Do NOT use battery.
| Solid red light| Battery is too hot or too cold to charge and must cool or warm up before charging. Leave battery in charger.

Sprayer Status Indicator

Light Appearance Description
No light Normal operation.
Solid red Battery is low on power and needs to be charged, or battery is too

cold and must warm up prior to spraying.
Flashing red| Battery temperature is too high, or tip is clogged. See Troubleshooting, page 18.

NOTE: The indicator light is only visible when sprayer trigger is engaged. You must squeeze and hold the trigger to see the Sprayer Status Indicator.

Setup

Use only water-based or oll-based (mineral splrit-type) materials with flash point greater than 100° F (38° C). Do not use materials which state “FLAMMABLE?” on the packaging. For more informa- tion about your material, request MSDS from distribu- tor or  retailer.
Spraying certaln materials may cause static bulld-up In the sprayer that can result in static shock to the user. If this occurs, first ensure the material has a flash point greater than 100° F (38° C) and does not state that it is FLAMMABLE anywhere on the package.  If still feeling a static shock, the material likely contains a non-mineral spirits fluid such as, but not limited to, xylene, toluene, or naphtha, which can build up static. Switch to an alternative material.
Use oil-based material outdoors or in a well-ventilated indoor area with a flow of fresh air.
Keep spray area well-ventilated. Keep a good supply of fresh air moving through the area.

NOTICE
Your sprayer is NOT compatible with harsh cleaners such as chlorine bleach. Using these cleaners will cause damage to the sprayer.

Installing Suction Tube
Aim the inlet of the suction tube at the front of the material cup (towards Spray Tip/Guard Assembly) during installation.GRACO 258864 True Coat Pro and
True Coat Plus Cordless Paint Sprayers - Figure 9

Spraying Stains or Clear Coats (Fine-Finish Optimizer)
The Fine-Finish Optimizer should be installed and used when spraying thin material such as stain or clear coats.
The Fine-Finish Optimizer restricts the material flow resulting in a finer quality finish.
NOTICE
Failure to install the Fine-Finish Optimizer when spraying thin materials will cause the spray pattern to pulsate.

  1. Remove material cup and suction tube.

  2. Remove the cleaning tool before installing the Fine-finish Optimizer into the sprayer.
    GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 11

  3. Push Fine-Finish Optimizer into pump inlet until completely engaged and re-install suction tube.

Cleanup/Storage
Be sure to remove and clean the Fine-Finish Optimizer immediately after use. Store the Fine-Finish Optimizer on the Storage/cleaning Tool supplied to keep the hole clear of dried material.

Sprayer Setup

This sprayer arrives from the factory with a small amount of test material in the system. It is important that you flush this material from the sprayer before using it for the first time:

  1. Fill material cup with water and thread onto sprayer.

  2. Put prime/relief valve to UP position, then hold trigger in for 10 seconds.

  3. Put prime/relief valve DOWN to spray position.

  4. Reverse spray tip to UNCLOG position and trigger sprayer into a waste area.
    GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 17

  5. Engage trigger lock and put prime/relief valve UP to release pressure.
    GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 18

  6. Unscrew and remove material cup.

  7. Disengage trigger lock, put prime/relief valve DOWN, hold sprayer slightly above material cup, and pull trigger to discharge fluid from pump.

  8. Discard material in cup.
    NOTE: If the sprayer is angled or tilted too far, the suction tube will lose contact with the material and the sprayer will stop spraying.

Materials

Use only water-based or oil-based (mineral spirit-type) materials with flash point greater than 100° F (38° C). Do not use materials which state “FLAMMABLE” on the packaging. For more information about your material, request MSDS from distributor or retailer. Spraying certain materials may cause static build-up in the sprayer that can result in static shock to the user. If this occurs, first ensure the material has a flash point greater than 100° F (38° C) and does not state that it is FLAMMABLE anywhere on the package. If still feeling a static shock, the material likely contains a non- mineral spirits fluid such as, but not limited to, xylene, toluene, or naphtha, which can build up static. Switch to an alternative material. Use oil-based material outdoors or in a well-ventilated indoor area with a flow of fresh air. Keep spray area well-ventilated. Keep a good supply of fresh air moving through the area.

  • When spraying water-based materials, flush the sprayer thoroughly with water.
  • When spraying non-water-based materials, flush the sprayer thoroughly with mineral spirits or compatible, oil-based flushing fluid.

Starting a New Job (or Refilling the Cup)

  1. Engage trigger lock and put prime/relief valve UP to release pressure.
    GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 21

  2. Use the Fine-Finish Optimizer cleaning tool to lightly push on inlet valve to make sure it moves up and down freely.

  3. Install material cup liner, fill with material, and thread onto sprayer.
    GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 23

  4. To prime pump, disengage trigger lock and trigger sprayer for 10 seconds. Then release trigger and put prime/relief valve DOWN to spray position.
    GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 24

  5. Reverse spray tip to UNCLOG position and spray into waste area for five seconds. Then rotate tip back to SPRAY position. NOTE: Failure to perform this operation could result in poor spray pattern.
    GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 25You are now ready to spray! If sprayer fails to prime, follow Alternate Priming Method (page 21) and/or Inlet Valve Cleaning (page 22).

Install Tip/Guard Assembly (if not installed)

Reversible Tip Selection Chart

MATERIALS

*Thin| Medium| Heavy
Thin stains, semi-transparent stains| Enamels, solid stains, thin latex| Heavy latex
311| 315, 515| 517

*Install Fine-Finish Optimizer, see page 8.

  1. Engage trigger lock and put prime/relief valve UP to release pressure. Then remove Tip/Guard Assembly
    GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 30

  2. Install filter to Spray Tip/Guard Assembly (make sure filter is fully installed into sprayer). NOTE: Filter assembly is reverse-threaded. Turn left (or counter-clockwise) to install. Turn right (or clockwise) to remove.
    NOTICE
    Make sure filter is completely screwed into the Tip/Guard Assembly to avoid splattering material or damage to the filter.

  3. Firmly screw Tip/Guard Assembly onto sprayer.
    Tighten retaining nut until completely engaged with sprayer. If Tip/Guard Assembly is not fully tightened, poor spray results and possible damage to the sprayer could occur.
    NOTICE
    The tip is a permanently attached to the guard.
    Removing the tip from the guard will result in damage to tip assembly.

Basic Spraying Techniques

NOTE: Use a piece of scrap cardboard to practice these basic spraying techniques before you begin spraying the surface. Anything you don’t want painted that is in the area of your spraying surface should be covered or removed.
Hold sprayer at least 25 cm (10 in.) from surface and adjust accordingly to achieve desired results. Aim sprayer straight at surface. Tilting sprayer to direct spray angle causes an uneven finish.GRACO 258864 True Coat Pro and
True Coat Plus Cordless Paint Sprayers - Figure 33

Flex your wrist while moving your arm to keep the sprayer pointed straight. Tilting the sprayer or spraying at an angle causes an uneven finish.GRACO
258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers - Figure
34

NOTE: How fast you move the sprayer will affect spray application. If material is pulsating, you are moving too fast.
If material drips, you are moving too slow. See Troubleshooting, page 18.

Triggering Sprayer
Pull trigger after starting stroke. Release trigger before end of stroke. Sprayer must be moving when trigger is pulled and released.GRACO 258864 True
Coat Pro and True Coat Plus Cordless Paint Sprayers - Figure
35

Aiming Sprayer
Aim tip of sprayer at bottom edge of previous stroke, overlapping each stroke by half.GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint
Sprayers - Figure 36

Unclogging Spray Tip/Guard Assembly

Do not operate or spray near children. Do not aim the sprayer at, or spray any person or animal. Keep hands and other body parts away from the discharge. For example, do not try to stop leaks with any part of the body.

Occasionally, debris from material can accumulate and clog the spray tip. Perform the following steps to unclog the tip.

  1. To unclog tip obstruction, engage trigger lock and pull relief valve UP to release pressure.

  2. Reverse spray tip to UNCLOG position.

  3. Aim sprayer at waste area, disengage trigger lock, and put prime/relief valve DOWN to spray position.
    Pull trigger to clear clog.

  4. Engage trigger lock. Put prime/relief valve UP to release pressure and rotate spray tip back to SPRAY position.

  5. Disengage trigger lock, put prime/relief valve DOWN 0to spray position, and resume spraying.

  6. If tip is still clogged, you may have to repeat steps 1 – 5 and rotate the tip from SPRAY to UNCLOG several times. Repeat step 1 to release pressure, remove and clean filter, or replace with new tip assembly.
    NOTE: Filter assembly is reverse-threaded:
    Turn left (or counter-clockwise) to install.
    Turn right (or clockwise) to remove.

  7. If obstruction is cleared, engage trigger lock and rotate arrow-shaped handle back to SPRAY position.

Shutdown and Cleaning

NOTICE
Failure to properly clean sprayer after each use will result in hardened materials, damage to the sprayer, and the warranty will no longer be valid.

Flushing Sprayer
Use only water-based or mineral spirit-type materials with flash point greater than 100° F (38° C). Do not use materials which state “FLAMMABLE” on the packaging.
For more information about your material, request MSDS from distributor or retailer.
Spraying certain materials may cause static build-up in the sprayer that can result in static shock to the ser. If this occurs, first ensure the material has a flash point greater than 100° F (38° C) and does not state that it is FLAMMABLE anywhere on the package.  If still feeling a static shock, the material likely contains a non-mineral spirits fluid such as, but not limited to, xylene, toluene, or naphtha, which can build up static. Switch to an alternative material.
Use oil-based material outdoors or in a well-ventilated indoor area with a flow of fresh air.
Keep spray area well-ventilated. Keep a good supply of fresh air moving through the area.

NOTICE
Protect the internal parts of this sprayer from water.
Do not submerge the sprayer in cleaning fluid. Openings in shroud allow cooling of mechanical parts and electronics inside. If water gets into these openings, the sprayer could malfunction or become permanently damaged.

  1. Engage trigger lock and pull relief valve UP to release pressure.

  2. Remove material cup and properly dispose cup liner or excess material.

  3. Remove and clean sprayer intake tube and screen with water (or flushing fluid) and a brush every time you flush the sprayer. Reconnect intake tube.

  4. Clean cup if not using a liner, and fill with water or appropriate flushing fluid.

  5. Reconnect material cup and shake sprayer to move clean water around and clean all areas inside of cup.

  6. Disconnect trigger lock and trigger sprayer for approximately 15 seconds. Engage trigger lock.

  7. Discard contaminated fluid and refill with appropriate flushing fluid.

  8. Disengage trigger lock, reverse tip to UNCLOG position, and pull trigger for 5 seconds to prime sprayer.
    GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 50

  9. Put prime/relief valve DOWN to spray position. Trigger sprayer into waste area until no paint appears in water or flushing fluid.

  10. Engage trigger lock and put prime/relief valve UP to release pressure.

  11. Remove material cup and discard used fluid.

  12. Use a soft brush to clean the black rubber inlet seal.
    If the vent holes become clogged, use the fine finish optimizer cleaning tool or a paper clip to clear the holes.
    GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 51

  13. Remove Spray Tip/Guard Assembly and clean with water or flushing fluid. A soft brush can be used to loosen and remove dried material if needed.
    NOTICE
    The tip is permanently attached to the guard. Removing the tip from the guard will result in damage to the tip assembly.

  14. Replace tip assembly.

  15. If you used the Fine-Finish Optimizer, remove and clean optimizer with water (or flushing fluid) and a brush. Reconnect intake tube.

Cleaning Sprayer Exterior

  • Wipe paint off outside of sprayer using a soft cloth moistened with water or flushing fluid.
    Do NOT submerge the sprayer.

Tips

  • Tips will require replacement depending on abrasiveness of paint.
  • Do not spray with worn tip. See Troubleshooting, page 18.

Storage

NOTICE
Failure to store with sprayer with Pump Armor will result in operational problems the next time you spray.
Always circulate Pump Armor through the sprayer after cleaning. Water left in the sprayer will corrode and damage the pump.

  1. Dilute 4 oz. bottle of Pump Armor Concentrate with an additional 4 oz. of water in material cup.

  2. Thread cup into sprayer, put prime/relief valve to UP position and squeeze sprayer trigger for approximately 10 seconds.
    GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 56

  3. Reverse spray tip to UNCLOG position, put prime/relief valve DOWN to spray position, and aim sprayer into waste area. Pull trigger for 1-2 seconds.
    GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 57

  4. Properly dispose of used Pump Armor mixture from material cup and rinse cup with water.

  5. Store sprayer indoors in a cool, dry place. Store in an upright position only.
    GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 59 NOTE: For prolonged battery life, lithium ion batteries should be stored at half charge in an environment below 90° F (32° C).

Replacement Parts and Kits

GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 60

Ref. Part Description
1 262368 Sprayer, replacement (no tip/guard,

battery, suction tube, or material cup)
(Model 258864)
2| 16D562| Liner, replacement (10 pack)
3| 24F045| Fine Finish Optimizer (with Cleaning Tool)
2-Pack
4| 243103| Pump Armor (32 oz.)
5| 24F042| Storage Case
Tip/Guard Assembly
6| NAR311 NAR315 XWD515 XWD517| 311
315
515
517
Tip Filter
7| 24E376
24F039| Kit, 1-pack
Kit, 3-pack
8| 24F076| Suction Tube with screen and o-rings
9| 16D558| Lithium Ion Premium Power Battery
10| 24D425| Cover with seal (included with 13 and 14)
10a| 16C650| Material Cup Cover Seal
(included in 13 and 14)

Troubleshooting

Check everything in this Troubleshooting Table before you bring the sprayer to an authorized service center.

Problem Cause Solution
Sprayer makes no sound when trigger is pulled Trigger is locked. Disengage

trigger lock. See page 6.
Status Indicator Light is solid RED when trig- gering, indicating that the battery charge is low or the battery is too cold.| Replace with charged battery and place old battery in charger or allow the battery to warm up.
Status Indicator Light is flashing RED when triggering, indicating that the battery is too hot to operate.| Allow battery to cool.
Status Indicator Light does not light when sprayer is triggered.| Battery is not installed or is damaged.
Sprayer makes sound but no material is sprayed when trigger is pulled| Sprayer is not primed.| Prime the pump. See Starting a new Job (or Refilling the Cup), page 10. If sprayer fails to prime, follow Inlet Valve Cleaning (page 22) and/or Alternate Priming Method (page 21).
Prime/relief valve is in UP position.| Pull valve DOWN to spray position.
Suction Tube is missing or improperly installed.| Make sure Suction Tube is properly installed.
Inlet valve is stuck from material residue left in sprayer.| Use a pencil or thin rod to lightly push on inlet valve to make sure it moves up and down freely. See Starting a new Job (or Refilling the Cup), page 10.
Tip is not in SPRAY position.| Turn tip to SPRAY position.
Tip is clogged.| See Unclogging Tip/Guard Assembly, page 13.
Suction Tube screen is clogged or vent holes in black rubber inlet seal are clogged.| See Shutdown and Cleaning, page 14.
Sprayer has been tilted too far and suction tube has lost contact with material.| Make sure cup is filled with material. Do not tilt the cup too far. Prime the pump. See Starting a new Job (or Refilling the Cup), page 10.
No or low material in cup.| Refill cup with material.
Tip filter is clogged.| Remove and clean tip filter. See Unclogging Tip/Guard Assembly, page 13.
Fine Finish Optimizer is installed while using an incompatible material.| Make sure compatible material is being used. See Reversible Tip Selection Chart, page 11.
Suction Tube o-rings are damaged or missing.| Replace Suction Tube and o-rings.
Sprayer has reached maximum life.| Replace sprayer.
Material is leaking from hole in front of sprayer.| Replace sprayer.

Spray Pattern Diagnostics

Problem Cause Solution

Spray pattern is pulsating:
| Fine Finish Optimizer is installed while using an incompatible material.
Operator is moving too fast while spraying.| Make sure material is compatible. See Reversible Tip Selection Chart, page 11.
Slow speed of movement.
Spray pattern has tails:
| Fine Finish Optimizer is installed while using an incompatible material.
Fine Finish Optimizer is partially clogged. Material not compatible with sprayer. Sprayer is worn out.| Make sure compatible material is being used. See Reversible Tip Selection Chart, page 11.
Clean or replace Fine Finish Optimizer. See page 8.
Switch material. Replace sprayer.
Spray pattern has dripping:
| Sprayer is moving too slow for material. Sprayer is too close to target surface.
Holding trigger while changing spray direction.
Incorrect tip for application of material.
Tip is worn or damaged.| Move sprayer faster while spraying. Move sprayer away from surface (10 in).
Release trigger when changing directions.
See Reversible Tip Selection Chart, page 11.
Replace tip. See Install Tip/Guard Assembly, page 11.

Alternate Priming Method

  1. Engage trigger lock and put prime/relief valve UP torelease pressure.
    GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 68

  2. Remove material cup and fill with flushing material.

  3. With sprayer in prime mode, turn sprayer upside-down, remove strainer, and slowly pour flushing material into the intake tube until full.

  4. Hold sprayer above sink or waste area, disengage the trigger lock, and quickly trigger sprayer until material comes out of the drain tube.
    NOTE: Material can shoot out of the drain tube when performing this procedure. Be sure to wear appropriate safety equipment and point drain tube away from yourself when pulling the trigger,

  5. Thread the material cup back onto sprayer.

  6. Trigger the gun for 10 seconds then release the trigger and put the prime/relief valve DOWN to spray position.
    GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 73

  7. Reverse spray tip to UNCLOG position and spray into waste area for five seconds to ensure sprayer has primed.

  8. Sprayer is now ready to spray. Follow Starting New Job instructions on page 10.

Inlet Valve Cleaning

Removal

  1. Engage trigger lock and pull relief valve UP to release pressure.GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers - Figure 75

  2. Remove material cup and suction tube.

  3. Hold sprayer upside-down and use wrench or socket to loosen and remove inlet fitting, inlet valve, and spring.
    GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 77NOTE: Make sure the spring also comes out. Use needle-nose pliers to remove if needed. Inlet cavity should be completely empty (as shown below).
    GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 78

  4. Clean as much excess material from pump cavity as possible. Make sure you also clean spring (a), o-ring (c), and top of inlet fitting (d).

Installation
NOTE: Before installing, make sure o-ring (c) is installed on inlet valve (b).

  1. Place inlet valve (b) with spring (a) on top of inlet fitting (d). Push inlet fitting up into pump cavity.
    GRACO 258864 True Coat Pro and True Coat Plus Cordless Paint Sprayers -
Figure 79

  2. Hold inlet in place and turn sprayer upside-down. Remove inlet fitting and visually check to see that inlet valve has seated correctly.

  3. Replace inlet fitting and use wrench and socket to tighten to 10 ft-lb.
    NOTICE
    Do NOT over-tighten inlet fitting. Damage to the equipment will occur.

  4. Use your Fine-Finish Optimizer cleaning tool to lightly push on inlet valve to make sure it moves up and down freely.

Technical Data

Sprayer:

Maximum working pressure| 137.8 bar, 13.7 MPa (2000 psi)
Weight| 2.87 kg (6.32 lb)
Dimensions:|
Length| 33.6 cm (13.25 in.)
Width| 12.7 cm (5.0 in.)
Height| 26.4 cm (10.375 in.)
Storage temperature range ◆❖| 0° to 50° C (32° to 122° F)
Operating temperature range ✔| 4° to 32° C (40° to 90° F)
Storage Humidity Range| 0% to 95% relative humidity, non-condensing
Sound Pressure Level| 79.5 dBat (for sound power level, add 11 dBa)
Vibration Level Acceleration| Less than 2.5 m/s2 (8.2 feet/s2)-rt
Charger:
Charging Time| 45 – 75 minutes
Power Source| 120 VAC
Battery:
Voltage| 18 VDC, Lithium Ion
Capacity| 2.4 Ah, 43.2 Wh

◆ Pump damage will occur if fluid freezes in pump.
❖ Damage to plastic parts may result if impact occurs in low temperature conditions.
✔ Changes in paint viscosity at very low or very high temperatures can affect sprayer performance.
† per ISO 3744 measured at 3.1 feet (1m)
†† per ISO 5349, no load condition

Graco Standard Warranty

Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use. With the exception of any special,  xtended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective. This warranty applies only when the equipment is installed,  operated and maintained in accordance with Graco’s written recommendations.
This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by faulty installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering,  or substitution of non-Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility of Graco equipment with structures, accessories, equipment or materials not supplied by Graco, or the improper design,  manufacture, installation, operation or maintenance of structures, accessories, equipment or materials not supplied by Graco.
This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any defective parts.  The equipment will be returned to the original purchaser transportation prepaid. If inspection of the equipment does not disclose any defect in material or workmanship, repairs will be made at a reasonable charge, which charges may include the costs of parts,  labor, and transportation.
THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.
Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above. The buyer agrees that no other remedy (including, but not limited to, incidental or consequential damages for lost profits, lost sales, injury to person or  property, or any other incidental or consequential loss) shall be available. Any action for breach of warranty must be brought within two (2) years of the date of sale.
GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IN CONNECTION WITH ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS SOLD  BUT NOT MANUFACTURED BY GRACO. These items sold, but not manufactured by Graco (such as electric motors, switches, hose, etc.), are subject to the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties.
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment hereunder, or the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of  contract, breach of warranty, the negligence of Graco, or otherwise.
FOR GRACO CANADA CUSTOMERS
The Parties acknowledge that they have required that the present document, as well as all documents, notices and legal proceedings entered into, given or instituted pursuant hereto or relating directly or indirectly hereto, be drawn up in English. Les parties  reconnaissent avoir convenu que la rédaction du présente document sera en Anglais, ainsi que tous documents, avis et procédures judiciaires exécutés, donnés ou intentés, à la suite de ou en rapport, directement ou indirectement, avec les procédures concernées.

Graco Information

For the latest information about Graco products, visit www.graco.com.
All written and visual data contained in this document reflects the latest product information available at the time of publication.
Graco reserves the right to make changes at any time without notice.
For patent information, see www.graco.com/patents.
Original instructions. This manual contains English. MM 3A0705
Graco Headquarters: Minneapolis
International Offices: Belgium, China, Japan, Korea
GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA
Copyright 2011, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.
www.graco.com
Revised 07/2012
TO PLACE AN ORDER, contact your Graco distributor or call to identify the nearest distributor.
Phone: 612-623-6926 or Toll Free: 1-800-690-2894 Fax: 612-623-6893 Toll Free Fax: 1-800-334-6955

References

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