The GRACO 255802 is an electronic manual dispense meter designed for accurate metering and dispensing of anti-freeze (50:50 antifreeze/water mix) and petroleum-based lubricants. It features a rigid extension and is constructed from durable materials including aluminum, stainless steel, PBT/PC, and nitrile rubber. This part is intended for use in automotive, heavy-duty, and industrial service environments where reliable fluid dispensing is required.

Key Features:

• Electronic manual dispense meter
• SDM5 Series, 1/2" NPT inlet, rigid extension
• Aluminum, stainless steel, PBT/PC, nitrile rubber
• 0.1 to 14 gpm (0.4 to 53 lpm)
• Maximum working pressure: 1500 psi (103.4 bar); for 50:50 antifreeze/water mix: 900 psi (62 bar)
• Petroleum-based lubricants and 50:50 antifreeze/water mix
• Non-drip quick-close nozzle for anti-freeze
• Rigid extension for precise dispensing
• Manual electronic operation
• Sealed electronics for durability
• Easy-to-read display
• Lightweight (approx. 5 lbs/2.3 kg)
• Long battery life (up to one year with alkaline batteries)

Applications:
Automotive and heavy-duty dealerships, fast lube centers, fleet service facilities, service shops, and in-plant maintenance. Suitable for dispensing anti-freeze and lubricants in demanding environments.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the dispensing system.
• Thread the rigid extension into the housing until it bottoms out, then align and firmly tighten the nut.
• Do not use PTFE tape or thread sealant on the extension tube threads to prevent leaks.
• Allow any sealant used elsewhere to cure according to manufacturer recommendations before circulating fluid.
• Ensure proper alignment of extension with meter housing and handle for safe operation.
• Regularly check for leaks and wear on wetted parts.
• Replace batteries as needed (4 AA alkaline or lithium).
• Keep the meter clean and free from debris.
• Follow all safety instructions in the manual.