Drawworks manual

 · National Drawworks Manual National Cathead Manual National Cathead Manual Read Drilling%www.doorway.ru text version - Readbag www.doorway.ru Drawworks. Rig 24 National Drawworks Manual NATIONAL Drawworks for sale - New, Used, Tradequip the source for NATIONAL Drawworks for 1 each National Model DBE. Resources. Description. Automated Drawworks Systems (ADS) drawworks are equipped with AC motors that provide significantly more performance and require approximately half the space and weight with less maintenance than traditional drawworks. The AC electric-powered Single-Speed Gear-Driven (SSGD) drawworks offer a design unique to the industry. DD () Drawworks. SD () Drawworks. Single Drum () Double Drum. Floor Equipment. SG Stabbing Guide. Rotary Table. Master Bushings Insert Bowls. ALCO SMART Low Profile Power Slips. ALCO SMART Mouse Hole System. Manual Tongs. Manual Slips. ALCO Smart Roughneck System. Spiders. Safety Clamps. Gill Power Tongs. .

drawworks clutches and throttle are disengaged, the drawworks brake is applied, and a red limit light is illuminated. An amber warning light indicates when the block is within 5% of the upper or lower limit. An audible alarm sounds at the 95% position when the blocks are moving up and sounds more frequently as the blocks approach the upper limit. By powering a drawworks with AC motors, we created a single-shaft, single-speed drawworks with hoisting performances comparable to a conventional drawworks. The result is a simple, lightweight design with few mechanical parts and a small footprint. These drawworks require minimal maintenance and are entirely self-contained. • Intermittent rating for drawworks applications of HP • Continuous rating is at VDC, Amperes, RPM • Continuous rating for mud pump and rotary table applications of HP • Intermittent rating for drawworks applications of HP • Continuous rating is at VDC, 60 Amps, Amperes, RPM.

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