Mechanical Drill Rig Repower with 3500 Engines. Petroleum Division Caterpillar Power Systems Marketing Division

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Mechanical Drill Rig Repower with 3500 Engines Petroleum Division Caterpillar Power Systems Marketing Division Topics to Cover: Torque Converter Drive Direct Drive TC Heat Load Torque Converter Adapter
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Mechanical Drill Rig Repower with 3500 Engines Petroleum Division Caterpillar Power Systems Marketing Division Topics to Cover: Torque Converter Drive Direct Drive TC Heat Load Torque Converter Adapter Air Clutches Mechanical Drive Speeds Ratings Typical Consist Torque Converters??? National Oilwell is major supplier. Larger units are C300. Smaller units are C245. Torque Converters are 1200 or 1800 RPM. Torque Converters require cooling. Heat is sent into engine cooling system. Heat load of 30% is added to engine heat rejection. Direct Drive or Torque Converter Cat Engines work well with either choice. 1200 RPM Torque Converter Match Torque converter match is a National Oilwell recommendation. (This is not a tight match.) Engine speed drops only slightly at converter stall. Converter heat rejection to engine cooling system is sized at 30 % of engine heat rejection. It can be anywhere from 10 to 100 %. D398 with Torque Converter Torque Converter Oil Cooler Clutch 6.25 Bore Torque Converter Mounting Cooling water connection Optional 24- inch flywheel, except D379. (Torque Converter Cooler not installed yet) 3500 With Torque Converter Mounted Heat Exchanger Oversize Radiator Air Clutch Input drum Orifice Shipped Loose Local Oilfield Base Torque Converter Coolant Connection 3516 With Torque Converter Oversize Radiator 10-inch Engine Rails Mud Pump Skid Base C300 torque Converter Heat Exchanger Air Clutch 3500 Torque Converter Flywheel Adaptation New torque converters can be ordered to fit standard 3500 flywheel. Reuse of old converter requires: Custom 24 inch flywheel for 3500, OR New input drive adapter from converter maker. Air Clutch for Direct Drive (Can be adapted to standard flywheel) Input Drum on Flywheel Output Element & Support 3508 Direct Drive Independent Mudpump Input Shaft Input Drum For Belts Need to know required input RPM, so drive belt pulley ratio s can be calculated. 3508B EIP & Remote Speed Control Air Throttle Control 6.25 bore 0 to 90 PSI air actuator 3500 MUI 3161 with pneumatic head 1200 or 1800 RPM Mechanical Drill Rig power transmitted through chains or belts which have speed limitations. High speed engines always need a speed reduction. Accomplished with torque converter and maybe a speed reducer. Rigs for 3400 size engines have belts or chains with higher speed capabilities. Drawworks Caution Heaviest load is when engine is at low idle and attempting to accelerate. Turbocharger is not effective yet. Higher HP 3500 do not have the displacement of the 6.25 bore. Torque converter drive for drawworks is always safe. Experience required for direct drive hoisting. Mechanical Rig Pumping and Drilling 1200 RPM D B 3512B about 1450 HP (late 2004) 3512B about 1050 HP (late 2004) D B 900 D B 760 D E 500 Emission Certified Mechanical Rig Pumping and Drilling 1200 RPM D A D D D Non-certified Partial Consist: 3508B for Direct Drive Mechanical Rig Service Land Mechanical Engine LMCHENG 3508B Diesel Engine 3508B 900 BHP HP B Diesel Oilfield Engine 508DP04 Exhaust Elbow EXCEL10 Spark Arresting Muffler MUFSA04 Remote Speed Control CGTPS04 Radiator Group 35 CVS RAD3512 Belt Guard BELTGD1 Blower Fan Group FANB0005 Fan Drive Group FDV0037 Pulley Group FANPL11 Regulator RADREG1 Fumes Disposal FUMDIS1 Fuel Cooler FULCOL1 Radiator Width Restrictions Compound section width Partial Consist: 3508B for Torque Converter Drive Mechanical Rig Service Land Mechanical Engine LMCHENG 3508B Diesel Engine 3508B 900 BHP HP B Diesel Oilfield Engine 508DP04 Exhaust Elbow EXCEL10 Spark Arresting Muffler MUFSA04 Remote Speed Control CGTPS04 Radiator Group 46 CVS W Fuel Cooler RAD4623 Belt Guard BELTGD1 Blower Fan Group FANB006 Fan Drive Group FDV0037 Pulley Group FANPL10 Regulator RADREG1 Fumes Disposal FUMDIS1 Torque Converter Cooler Connections CLCLNTC0 Primary Fuel Filter PFF0001 Partial Consist: 3512 MUI for Direct Drive Mechanical Rig Service Land Mechanical Engine LMCHENG 3512 Diesel Engine 3512MUI 1025 BHP HP Diesel Oilfield Engine 512DP04 Exhaust Elbow EXCEL08 Spark Arresting Muffler MUFSA03 Radiator Group 35 CV, 138 F DTO item Belt Guard DTO item Blower Fan Group FANB005 Fan Drive Group FDV008 Pulley Group FANPL11 Fumes Disposal FUMDIS2 Damper Guard Group DTO item Removal Damper Guard Group DTO item Fuel Cooler FULCOL1 Partial Consist: 3512 MUI for Torque Converter Drive Mechanical Rig Service Land Mechanical Engine LMCHENG 3512 Diesel Engine 3512MUI 1025 BHP HP Diesel Oilfield Engine 512DP04 Exhaust Elbow EXCEL08 Spark Arresting Muffler MUFSA03 Radiator Group 46 CV, W / Fuel Cooler RAD4604 Belt Guard BLTGD1 Blower Fan Group FANB006 Fan Drive Group FDV0037 Pulley Group FANPL07 Fumes Disposal FUMDIS2 Torque Converter Cooler Connections CLCNTC0 Primary Fuel Filter PFF0001
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