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PNEUMATIC CONTROLS – PREVENTIVE MAINTENANCE …
www.rses.orgPreventive maintenance is required to ensure optimum system operation. Although the components of all ... A simple method of determining if there is such an air leak is to ... tightly will suggest inspection of valve seats and discs for wear and contaminant buildup. Valve
Cummins ISL-G
www.apta.comthe preventive maintenance and the bus repair process. During the procedure; keep in mind: ... • Check the rocker shafts for wear –this may cause the rocker to bind. Valve Adjustment Procedure Overlap Method: 1. Rotate engine until valve overlap is reached on cylinder #6. Valve overlap is when both the intake and exhaust valves are opened