Read the manufacturer’s operator’s manual for each model of lift that will be operated. 3. Complete hands-on training with a competent and experienced individual (designated by the responsible supervisor) and demonstrate proper operation under expected operating conditions before independently operating any lift. The form at the end of this document can be used to document operator hands ...
a smooth free-running thread; and, SCREW-LOCK which provides self-locking torque on the male member by a series of “chords” on one or more of the insert coils. They are available in inch series coarse and fine and metric series, coarse and fine. Inch series Screw-Lock inserts are dyed red for identification. Illustration of the Retention Principle Screw-Lock Heli-Coil Insert Standard Heli ...
Our brands: Varco®, National ... drawworks with hoisting performances comparable to a conventional drawworks. The result is a simple design with few mechanical parts, a small footprint, and lightweight. These drawworks require minimal maintenance and are entirely self-contained. Automated Drawworks Systems (ADS) Specifications – NOV DSCG Model Continuous horsepower Motors Number of lines ...