replace it (and the pressure controller and air dryer also if necessary)
Section 6 – Power Train
This service manual is a guide to servicing and repairing of the Caterpillar 1673B Truck Engine
OMLVU14211
Clark CGP40, CGP45, CGP50, CGP55, CDC60, CDC70 Forklift Service Repair Manual Workshop Guide replace it (and the pressureFormat : PDF SUPPLIED AS DOWNLOADABLE LINK Format: PDF Language: English Machine Type: Forklift Model Covered: CGP40, CGP45, CGP50, CGP55, CDC60, CDC70 Manual Type: Service Repair Manual, Operators Manual Clark CGP40, CGP45, CGP50, CGP55, CDC60, CDC70 Forklift Service Repair Manual 658 Pages Clark CGP40, CGP45, CGP50, CGP55, CDC60, CDC70 Forklift Operators Manual 126 Pages Description Clark CGP40, CGP45, CGP50, CGP55, CDC60, CDC70 Forklift Service