CHANCE Lineman Grade Tools & Grounding Catalog (Combined)
B - 1150 - Powered Hoists
Series 90 Capstan Hoists
Powerful design for tough jobs. Features a multiple-planetary drive with backstop clutch to handle more rugged jobs, extend service life, and reduce maintenance. 1,000 lb. (453 kg) & 3,000 lb. (1,360 kg) Working Load Limits available powered by 12VDC, 115VAC, 230VAC, Hydraulic, or Gasoline. System Working Load Limit is always determined by lowest-rated component (hoist, mount, rope, rigging, etc).
Do NOT use for lifting people
Do NOT remove or modify Rope Hook
Always read and fully understand Instruction Manual before use
Useful for:
• • • • • •
Cell tower erection & maintenance Transmission maintenance
Raising transformers Setting utility poles
Stringing and tensioning conductors Pulling indoor and underground cable
Graph below shows capstan mechanical advantage principle • When properly rigged, loads can easily be moved a fraction of an inch • Operator pulling force remains low by using correct numbers of wraps on drum • Example: 4 wraps of rope = 1:44 ratio in pulling force to lifting force • Always use the same number of wraps to lower the load as was used to lift the load.
19 | https://www.hubbell.com/hubbellpowersystems/en
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