Graco 25U478 Magnum ProX19 Cart Cordless TrueAirless Paint Sprayer Instruction Manual

: October 30, 2023
: Graco

Table of Contents

Graco 25U478 Magnum ProX19 Cart Cordless TrueAirless Paint Sprayer
KNOW YOUR CONTROLS
SETUP
START UP
SPRAYING
CLEANUP
STORAGE
REVERSIBLE SPRAY TIPS
STORAGE/PRIMING TOOL
Read User Manual Online (PDF format)
Download This Manual (PDF format)

Graco 25U478 Magnum ProX19 Cart Cordless TrueAirless Paint Sprayer

KNOW YOUR CONTROLS

Read Owner’s Manual for complete instructions and warnings. lbis quick guide Is not a substitute for reading and understanding all Instruction manuals and warning labels supplied with the equipment. Manuals are available at magnum.graco.com

WARNING

Follow pressure relief procedure and wear protective equipment including but not limited to protective eye wear.
SKIN INJECTION HAZARD: Keep clear of spray tip and leaks. Engage trigger lock when not spraying.
FIRE AND EXPLOSION HAZARD:
Follow fire and explosion warnings as listed in your manual.
READ AND UNDERSTAND ALL LABELS AND INSTRUCTION
MANUALS BEFORE USE. FAILURE TO FOLLOW ALL WARNINGS CAN RESULT IN SERIOUS INJURY, AMPUTATION, OR DEATH.

SETUP

If hose needed, to gun. connect Remove red cap, then connect hose to sprayer. Tighten securely.
Assure Engage Spray Trigger Tip Lock.is properly inserted into the Spray Tip Guard, and the Spray Tip Guard assembly is tightened securely to gun.
Turn the Pressure Control Knob to the lowes setting.

magnum.graco.com/quickassembly

START UP

magnum.graco.com/quickstart

Tum Power Switch OFF and install battery.
from Separate Suction Drain Tube Tube (larger). (smaller) Place Drain Tube in a waste pail. Submerge Suction Tube into pail filled with water for water-based material, or mineral spirits if spraying oil-based material.
to Turn the the PRIME Prime/Spray position. Valve Press the PushPrime'” button twice to loosen inlet valve ball. Turn Pressure Control Knob to START position. Turn Power Switch ON.
the Allow Suction fluid to Tube flow and up out of Drain Tube for 30-60 seconds. Turn Power Switch OFF.
Tube Submerge into paint. Suction Turn Power Switch ON and watch for paint to come out of the Drain Tube. Turn Power Switch OFF.
Rotate UNCLOG Spray Position. Tip to Disengage Trigger Lock. Point gun into waste pail, pull and hold trigger. Turn the Prime/Spray Valve to SPRAY position and turn
release trigger. Engage of Triggergun, Lock. Transfer Drain Tube to paint pail and attach to Suction Tube. Rotate Spray Tip back to SPRAY position and ensure Spray Tip Guard is tight.

YOU ARE NOW READY TO SPRAY!

SPRAYING

Turn position. Pressure Disengage Control the Knob Trigger to the Lock. START
spray Increase is even Pressure and without Control gaps Knob if at edges. needed until

magnum.graco.com/howtospray

CLEANUP

Garden hose cleanup for water-based paints only.
See Owners Manual for pail cleanup or oil-based materials.

Turn Power Switch OFF. Place Suction and Drain Tubes in waste pail. Turn Prime/Spray Valve to PRIME. Turn Pressure Control Knob to START position. Trigger gun into a waste pail.
Engage Trigger Lock. Remove Spray Tip Guard assembly from gun and place in waste pail.
Screw Power Flush Valve (included with sprayer) to a garden hose. Turn on water. Open Power Flush Valve. Rinse paint off Suction and Drain Tubes, inlet screen and Spray Tip and Spray lip Guard. Close Power Flush Valve.
Unscrew inlet screen and Open Power Flush Valve. Turn Power Switch ON and let water run through Drain Tube for 20 seconds. Turn Power Switch OFF.
To save paint in hose, disengage Trigger Lock and trigger gun into paint pail, turn Prime/Spray Valve to SPRAY and turn Power Switch ON. When water comes out of gun, keep gun triggered and aim into waste pail. Continue to flush until water runs clear.
Turn Pressure Control Knob to the lowest setting and release trigger. Engage Trigger Lock. Turn the Prime/Spray Valve to PRIME and turn Power Switch OFF.
Clean Spray Tip, Spray Tip Guard and inlet screen with brush, Remove gun filter and clean. Reassemble gun filter, Spray Tip and Spray Tip guard.

STORAGE

Perform CLEANUP before STORAGE.
Storage/Priming Tool not available with all models, see Owner’s Manual.

Remove Pump Armor'” bottle cap and foil seal. If needed, unscrew inlet screen from Suction Tube.
Turn Prime/SprayValve to PRIME. Place Drain Tube in waste pail. Tum Pressure Control Knob to START position.
While holding the Suction Tube above the sprayer, pour approximately 2 ounces (60 ml) of Pump Armor into the Suction Tube and turn Power Switch ON.
When Pump Armor is flushed through the sprayer, turn Power Switch OFF. Replace and tighten child-proof cap for storage.
Screw inlet screen back to Suction Tube. Ensure that spray gun and hose stay attached to sprayer.
Turn the Spray/Prime valve to SPRAY position for storage. Turn Power Switch OFF and unplug sprayer from outlet.

REVERSIBLE SPRAY TIPS

Your sprayer is shipped with a Spray Tip to spray paint. If you are spraying stain see the store associate to purchase a smaller Spray Tip size.
If your sprayer stops spraying, you most likely have a Spray Tip clog. Engage Trigger Lock and reverse the Spray Tip to the UNCLOG position. Disengage Trigger Lock and spray into a waste area to remove the clog. Engage Trigger Lock and return the Spray Tip to SPRAY position. See Owner’s Manual for more information.