The GRACO 203876 is a pneumatic piston pump designed for reliable and accurate dispensing of petroleum- and synthetic-based oils (motor, gear, and ATF). It is constructed from steel, polyurethane, aluminum, and Buna-N, making it durable and suitable for industrial applications.

Key Features:

• Pneumatic Piston Pump
• Fire-Ball® 300 Series 5:1
• Steel, polyurethane, aluminum, Buna-N
• Maximum working pressure: 900 psi (6.2 MPa)
• Petroleum- and synthetic-based oils (motor, gear, and ATF)
• Reliable flow due to 3-inch differential air motor and double-acting pump design
• Durable construction for long service life
• Accurate dispense and consistent performance
• Sound power level: 85.6 dB(A); sound pressure level: 77.8 dB(A)
• Maximum continuous/intermittent cycle rate: 70 cycles per minute
• Easy to maintain and service

Applications:
Industrial oil dispensing, quick lube, lubrication equipment, vehicle service, and maintenance operations.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the lubrication system.
• Ensure proper alignment and secure mounting of the pump
• Connect air supply within the recommended pressure range (40–180 psi)
• Use compatible fittings and hoses for oil inlet/outlet (1-1/2 in NPT inlet, 1/2 in NPT outlet)
• Regularly inspect and maintain wetted parts for wear and contamination
• Follow manufacturer’s recommended cycle rates for optimum pump life