The GRACO MST052 Pump Armor is a specialized storage fluid designed to protect the pump of airless paint sprayers during periods of non-use. It is formulated to lubricate internal components, prevent corrosion, and act as an anti-freeze, ensuring the sprayer remains ready for future use. The fluid is intended for use with GRACO Magnum series sprayers and is packaged in a 1-quart bottle.

Key Features:

• Storage Fluid
• MST052 / 1 QT
• Liquid (proprietary formula)
• GRACO Magnum airless paint sprayers
• Lubricates and protects pump seals and internal components
• Prevents corrosion and freezing (effective to at least -30°F)
• Ensures reliable startup after storage
• Easy to use—simply fill pump after cleaning and leave in until next use

Applications:
Used for storage protection of GRACO Magnum airless paint sprayers, particularly in environments where equipment may be exposed to cold temperatures or extended periods of inactivity.

Installation Notes:

• Using genuine GRACO Pump Armor ensures optimal protection and compatibility with GRACO equipment, reducing the risk of pump damage and extending equipment life.
• After thoroughly cleaning the sprayer, fill the pump with Pump Armor fluid and leave it in until the next use.
• No additional maintenance is required during storage.
• For best results, use only GRACO Pump Armor as recommended by the manufacturer.