The GRACO 24M499 is a drum-mounted, air-operated double diaphragm (AODD) pump package designed for dispensing diesel exhaust fluid (DEF). It is constructed with corrosion-resistant materials for reliable performance and is intended for use in vehicle service and maintenance environments where DEF needs to be dispensed efficiently and safely.

Key Features:

• Diaphragm Pump Package
• SD Series, Husky 515 AODD Pump
• Corrosion-resistant materials
• Up to 15 gpm (57 lpm)
• Maximum air pressure: 50 psi (3.4 bar); Maximum fluid pressure: 50 psi (3.4 bar)
• For use with DEF (diesel exhaust fluid)
• Rugged, corrosion-resistant pump for long life
• Efficient pneumatic operation
• Superior suction and lift for tanks, totes, and drums
• Automatic nozzle for ease of use
• Includes meter kit and coupler kit
• Designed to minimize downtime and maintain chemical integrity

Applications:
Ideal for dispensing DEF in vehicle service garages, fleet maintenance, and industrial settings where reliable, high-performance DEF transfer is required.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the DEF dispensing system.
• Mount the pump securely on the drum using the provided mounting bracket
• Connect the suction hose (2 ft) and dispense hose (12 ft) as specified
• Ensure all fittings are tight and leak-free
• Use the included air regulator and gauge for proper air pressure control
• Follow all safety guidelines and manufacturer instructions for DEF handling
• Regularly inspect hoses and fittings for wear or leaks
• Clean the pump and nozzles after use to prevent DEF crystallization
• Check air pressure settings before each use
• Refer to the product manual for detailed maintenance procedures