Lubrication

To keep the wrenches in good working condition, lubricate the drive components periodically between service intervals.

Disassembly before lubrication:

  1. Remove the square drive.

  2. Remove the access plugs [×2].

  3. Remove the shroud screws [×2] and the shroud.

  4. Remove the retaining clips [×2].

  5. Remove the drive sleeves [×2].

  6. Position the drive pin in line with the access plug hole. Push the pin out of the housing to release the drive assembly.

  7. Remove the drive assembly from the housing.

Do the following actions during lubrication maintenance:

  1. Examine the drive pin for signs of wear or damage. Replace the pin if necessary.

  2. Examine the edges of ratchet teeth for signs of damage. Replace the ratchet if necessary.

  3. Examine the drive pawl teeth for signs of damage. Replace the drive pawl if necessary.

  4. Examine the drive pawl springs for signs of damage. Replace the springs if necessary.

  5. Lubricate the shaded areas with Molykote 1000.

The procedure for assembly is the same as for disassembly, but backwards.

Square Drive Tool | A2770001 - | 8434 2010 02

Published: 2025-08-27

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