Lockout Procedure

Lockout Procedure / Presses and metalworking

Mechanical power press lockout procedure

A mechanical power press holds electrical, pneumatic, mechanical and gravity energy. Here is where it hurts people, and the procedure for yours: the placard for the machine and the written procedure for the binder.

E1P1M1G14 energy sources on a typical mechanical power press

Where a mechanical power press hurts people

  • The flywheel keeps turning for minutes after the motor stops. Wait for it to stop before releasing the clutch air.
  • The counterbalance air holds the slide up. Block the slide before bleeding it.
  • Die setting is servicing: the press is locked out, not just stopped on top stroke.

Write the procedure for your mechanical power press

List every source of energy that can move, power or hurt. The placard builds as you go, and the checks run on every change.

Who works on it

Energy sources

    Add a source

    Other metalworking machines

    Every machine · What makes a procedure machine-specific

    A lockout station board with rows of red safety padlocks, danger tags and breaker lockouts

    For the mechanical power press's lockout station

    The devices the placards call for. One lock per person, a tag on every lock.

    • SAFBY safety padlocks, keyed differently, 10 packOne lock per person, numbered, each opened only by its own key.
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    • TRADESAFE "Danger: Do not operate" tags, 30 packVinyl tags with ties, a line for the name, one on every lock.
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    • TRADESAFE adjustable ball valve lockout, 2 packCloses over a ball valve handle from 1/2 to 4-1/4 in pipe, for air, water and gas lines.
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    • Master Lock 421 group lockout haspSix locks on one isolation point, for a crew working on the same machine.
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    • Master Lock 1457E410KA lockout tagout kitA personal kit for one authorized employee: padlocks, hasps, tags and electrical lockouts in a pouch.
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