The GRACO 255216 Wrist Pin Replacement Kit is a maintenance part designed to replace the wrist pin bearings on both drive linkage assemblies of E-Flo® 4-Ball Piston Pumps. It is intended for professional use and helps ensure optimal performance and longevity of the equipment. The material is not explicitly specified in available documentation, but GRACO E-Flo pumps are typically constructed from stainless steel.

Key Features:

• Replacement Kit
• 255216 (for E-Flo® 4-Ball Piston Pumps)
• E-Flo® 4-Ball Piston Pumps
• Designed for easy replacement of wrist pin bearings on both drive linkage assemblies
• Supports reliable operation and maintenance of critical pump components
• Kit includes all necessary parts for replacement as marked

Applications:
Used for maintenance and repair of GRACO E-Flo® 4-Ball Piston Pumps, which are commonly used for circulation of solventborne, high solids, Xirallic, metallics, varnish, and CARC coatings in industrial settings.

Installation Notes:

• Using genuine GRACO replacement parts ensures compatibility, reliability, and optimal performance of the equipment.
• Read all warnings and instructions in the manual and E-Flo Repair-Parts manual 311594 before installation.
• Align the hole in the new wrist pin bearing with the grease passage in the connecting rod.
• Orient the connecting rod and slider piston as shown in the manual, assemble the pin and retaining ring.
• Lubricate the crank pin bearing and wrist pin bearing with 1 cc of 107411 Grease or equivalent, using grease zerks.
• Lubricate wrist pin bearings every 6 months and crank pin bearings annually; replace wrist pin bearings annually.
• Install bearings on the slider piston, ensuring joints align with the pin hole in the slider piston.
• Slide the piston and connecting rod into the cylinder and position the crank arm to engage the output.