TB 9-2300-426-20, TECHNICAL BULLETIN: HYDRAULIC AND AIR/HYDRAULIC BRAKES PREVENTIVE MAINTENANCE (23-NOV-1989)

TB 9-2300-426-20, TECHNICAL BULLETIN: HYDRAULIC AND AIR/HYDRAULIC BRAKES PREVENTIVE MAINTENANCE (23-NOV-1989)., This bulletin provides the field methods of troubleshooting hydraulic and air/hydraulic brakes on Department of Army tactical wheeled vehicles. This bulletin contains preventive maintenance procedures for hydraulic and air/hydraulic brake systems on Department of the Army tactical wheeled vehicles. It covers how the systems operate, trouble signs, safety procedures and expedient repairs.