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Home›Repair guides›ASCO›Maintenance Handle

ASCO G7ATB / G962 — Maintenance Handle

Maintenance · Maintenance handle / operator shaft

For the ASCO G7ATB / G962, from the ASCO service manual.

Before you start

  • To prevent the possibility of fatal electrical shocks and burns, bypass, isolate, and pull out the transfer switch before working on it.

Procedure

  1. Bypass, isolate, and pull out the transfer switch and verify that no electrical power is present.
  2. Locate and remove the maintenance handle and hub stored on the lower part of the transfer switch frame.
  3. Install the hub onto the center operator shaft and insert the handle into the hole in the side of the hub.
  4. Grasp the handle firmly and turn clockwise or counterclockwise to manually operate the deenergized transfer switch to the opposite position.
  5. Remove the handle and hub after use and store them on the lower frame.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Source: ASCO service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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