Dairymaster ACR smart start plunger centre rod The Dairymaster ACR Smart Start Plunger Centre Rod is a genuine Dairymaster replacement component designed to ensure precise movement and reliable performance within the Smart Start plunger assembly. This critical rod connects the internal components of the ACR (Automatic Cluster Removal) plunger, allowing smooth pneumatic operation and accurate control of cluster attachment and release. Manufactured to Dairymaster’s exacting engineering standards , the centre rod is made from high-strength, corrosion-resistant stainless steel for durability and consistent performance under demanding dairy conditions. Its precision-machined surface ensures smooth motion, maintaining correct alignment and sealing within the plunger housing for dependable Smart Start response every milking cycle. When correctly installed, the centre rod helps your ACR system to: Ensure smooth and accurate plunger movement Provide reliable control of cluster attachment and detachment Maintain vacuum consistency within the ACR assembly Reduce wear on surrounding components and seals Extend the operational life of the Smart Start unit Key Features of the Dairymaster ACR sma