Safety Inspection Guide

  Safety Inspection Guide

The intent of this inspection guide is to assist you in identifying potentially unsafe conditions on these products. Each machine, as it was designed and built, had required safety items installed to protect users and service personnel from injury. This guide addresses only those items. However, good judgment should be used to identify potential safety hazards due to attachment of non-IBM features or options not covered by this inspection guide.

If any unsafe conditions are present, you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem.

Consider these conditions and the safety hazards they present:

The guide consists of a series of steps presented in a checklist. Begin the checks with the power off, and the power cord disconnected.

  1.  Check exterior covers for damage (loose, broken, or sharp edges).
  2.  Power-off the computer. Disconnect the power cord.
  3.  Check the power cord for:

    1.  A third-wire ground connector in good condition.  Use a meter to measure third-wire ground continuity  for 0.1 ohm or less between the external ground pin  and frame ground.
    2.  The power cord should be the appropriate  type as specified in the parts listings.
    3.  Insulation must not be frayed or worn.

  4.  Remove the cover.
  5.  Check for any obvious non-IBM alterations. Use  good judgment as to the safety of any non-IBM alterations.
  6.  Check inside the unit for any obvious unsafe conditions,  such as metal filings, contamination, water or other  liquids, or signs of fire or smoke damage.
  7.  Check for worn, frayed, or pinched cables.
  8.  Check that the power-supply cover fasteners (screws or rivets) have not  been removed or tampered with.

Grounding Requirements

Electrical grounding of the computer is required for operator safety and correct system function. Proper grounding of the electrical outlet can be verified by a certified electrician.

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