Chapter 3 Replacing Assemblies

Tools Required

Tools Required

The following tools are required for these removal and replacement procedures:

Hand TORX®‚ 10 screwdriver (T10)

Hand TORX®‚ 15 screwdriver (T15)

7-mm spin tight

14-mm deep-socket spin tight

Soldering iron—for removing Option 060 Rear Terminals

Small (1 point) Pozidriv screwdriver—for removing Option 010/012 oven oscillator from A6 Timebase Support Board

Do This First

Before performing any of the removal and replacement procedures, the following steps must be performed.

1Turn Counter off.

2Remove ac line power cord from the rear ac line socket.

3

Assembly-Level Service Guide

3-3

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HP 181A manual Tools Required, Do This First