资源描述
Click to edit Master text styles,Second level,Third Level,Fourth Level,Click to edit Master title style,*,Many Players, One Team,Closed Circuit Principle of Operation 0740A & 0740B,Instructor Rod Erickson,October 2,nd,& 3rd, 2007,Gaylord Palms Resort & Convention Center, Kissimmee, Florida,Variable Pump & Fixed Motor,CASE DRAIN,Reservoir, Application Guidelines,Filler Cap May be Sealed or Breather Type,Return and Outlet Line Must be Located Below Fluid Level,Should include Baffle to Separate Inlet, Outlet Fluid,Minimum Reservoir Size Should Not be Less Than 60% of the Maximum Charge Pump Size,Reservoir,Return Line,Filter Cap,Baffle,Outlet Line,RESERVOIR,Heat Exchanger Application Guidelines,A.,Heat Exchanger,size must be capable of Dissipating Approximately 25% of the Maximum Input Horsepower,B. Must include a By Pass Valve to Limit Possible Excessive Case Pressure as Sometimes Experienced During Cold Starts (Case Pressure not to Exceed 40 PSI,Heat Exchanger,By-Pass Valve,HEAT EXCHANGER,RESERVOIR & COOLER,CHARGE PUMP & CHECK VALVES,CHARGE PUMP Relieve to Case,CHARGE PUMP Re-Circulating,Inlet Filter Application Guidelines,10 Micron Filter Without By-Pass (Indicator) (Must Maintain A ISO 18/13 Cleanliness Level),Minimum Filter Size Should Equal Four Times Maximum Charge Pump Flow,Inlet Vacuum Should Not Exceed 10 in. Hg (During Normal Operating Temp),FILTER Inlet (Suction Side),FILTER Pressure Side (Heavy Duty Series One & Two),FILTER Remote Filter Ports (Heavy Duty Series One & Two),FILTER Pressure Side Full Flow (Medium Duty 72400),FILTER Pressure Side Partial Flow (Medium Duty 72400),Feedback link,MANUAL CONTROLLER,Mechanical Servo,Follower Servo Mechanism,Follower Servo Mechanism,Follower Servo Mechanism,Follower Servo Mechanism,Follower Servo Mechanism,Follower Servo Mechanism,Follower Servo Mechanism,Follower Servo Mechanism,Follower Servo Mechanism,Typical Application,Typical Application,Typical Construction,Typical Construction,Operation,Operation,Operation,Operation,MANUAL CONTROLLER,Relief Valves,Relief Valve Settings are Dictated by Application,CROSS PORT RELIEF VALVES,INTERNAL PRESSURE OVERRIDE Series Two Heavy Duty,INTERNAL PRESSURE OVERRIDE Series one Heavy Duty,INTEGRAL SHUTTLE VALVE,CIRCUIT OPERATION,CIRCUIT OPERATION- 72400,hot oil shuttle,x-line,relief valves,Pump charge,Relief valve,Motor charge,relief valve,CLOSED CIRCUIT SCHMATIC,CLOSED CIRCUIT SCHMATIC WITH DISC MOTOR,CLOSED CIRCUIT SCHMATIC WITH TWO MOTORS,Any Questions?,
展开阅读全文