Use 637317-X4X for general repair of 67200-XXX lower pump ends.

Use 637318-X4X for general repair of 67201-XXX lower pump ends.

Completely clean parts, evaluate and inspect for wear.

Key areas for wear:

• Plunger
• Main material tube
• Balls
• Seats
• Packings
• Foot valve body parts

With the foot valve body parts, inspect the ball, seat, pin and the ball guides for wear and damage. Inspect the parts for scratches etc. Dirty and/or worn parts should not be returned to pump during assembly.