Tools And Software Requirements; Screws - HP xw4200 Service And Technical Reference Manual

Keep work area free of nonconductive materials such as ordinary plastic assembly aids and
Styrofoam.
Use field service tools, such as cutters, screwdrivers, and vacuums, that are conductive.
Recommended Materials and Equipment
Materials and equipment that are recommended for use in preventing static electricity include:
Antistatic tape
Antistatic smocks, aprons, or sleeve protectors
Conductive bins and other assembly or soldering aids
Conductive foam
Conductive tabletop workstations with ground cord of one-megohm ± 10% resistance
Static-dissipative table or floor mats with hard tie to ground
Field service kits
Static awareness labels
Wrist straps and footwear straps providing one-megohm ± 10% resistance
Material handling packages
Conductive plastic bags
Conductive plastic tubes
Conductive tote boxes
Opaque shielding bags
Transparent metallized shielding bags
Transparent shielding tubes

Tools and Software Requirements

To service the workstation, you might need the following equipment:
Torx T-15 screwdriver or Flat-bladed screwdriver (can be used in place of the Torx screwdriver)
Phillips screwdriver (to remove the rear fan, if necessary)
Diagnostics software
Tamper-resistant T-15 wrench (FailSafe key) or tamper-resistant bits (required if you get locked out
by the solenoid hood lock)

Screws

The screws used in the workstation are not interchangeable. The screws might have standard or metric
threads and might be of different lengths. If an incorrect screw is used during the reassembly process, it
can damage the unit. HP recommends that all screws removed during disassembly be kept with the part
that was removed, then returned to their proper locations.
70 REMOVAL AND REPLACEMENT