Category: Potain HDT 80

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Potain HDT 80 hoist

HDT 80 hoist stopped working, cannot hear the brake releasing but contactor was pulling in lower left wire on rectifier was loose

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Crane load indication accuracy

1917.46(a)(1)(ii)

The accuracy of the load indicating device, weight-moment device, or overload protection device shall be such that any indicated load (or limit), including the sum of actual weight hoisted and additional equipment or “add ons” such as slings, sensors, blocks, etc., is within the range between 95 percent (5 percent underload) and 110 percent (10 percent overload) of the actual true total load. Such accuracy shall be required over the range of daily operating variables reasonably anticipated under the conditions of use.

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Frequency Drive

The new hoist frequency drives have only three speeds.

  • 1st speed  12.12
  • 2nd speed 35.09
  • 3rd speed 85.00

The Manitowoc hoist drive have five speeds.

  • 1st speed 12.12
  • 2nd speed 35.09
  • 3rd low speed 85.00
  • 3rd middle speed
  • 3rd high speed 125.00preset speeds
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Override button

Every HDT 80 with a serial number that starts with a 400 number has a override option.  If you overload your crane and you can’t hoist up or down because you overloaded the crane hold the start button down while hoisting down.

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HDT 80 hoist line for erection and dismantle

HDT 80    When erecting or dismantle make sure you have slack in your hoist line while folding the jib. It does not have auto winding on the hoist drum so it can get supper tight and there is no limits to stop it. click on the link to see in the manual where you need to make sure you have slack in your cable. It is best to have about 10 ft of slack in your cable.

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HDT 80 limit switches

While erection and dismantle there is no limit switches that will stop you.  Also there is no 125 limit for your hoist so you do not want to get your hoist rope tight at all or you will be bending and breaking stuff.

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Err7 message on drive (ATV58)

At start up, all drives go through self test but trolley immediately displays error message.  Schneider Altivar 58

Error message not in manual.  According to drive manual, in can be faulty communication with keypad or console, or sensor internal in drive checking for current supply has failed.