This service manual covers Subaru Robin pump models PTG109, PKV101, PKX201H, PKX201, PKX301, PKX201T, PKX301T, PKX201ST, and PKX301ST. It provides detailed, step-by-step procedures for the removal or repair of pump components, specifically focusing on mechanical seal replacement and proper shimming techniques. These pumps are engineered for reliable performance in demanding applications, reflecting Subaru Robin's commitment to quality and durability.

The purpose of this manual is to serve as a comprehensive guide for maintaining and repairing the specified Subaru Robin pump models. It details essential maintenance procedures, troubleshooting steps, and technical specifications necessary for optimal operation. By following the instructions within this document, owners, mechanics, and technicians can effectively service these pumps, ensuring their longevity and continued efficient function.