Blade Handling
Each blade weighs approximately 29 lbs (13 kg). Blades can be removed or installed using a lift.
WARNING:
●
Personal injury
●
Use and proper lifting techniques when handling blades. Failure to do so could result in serious
personal injury.
CAUTION:
●
Equipment damage
●
Always observe the ESD and safety precautions described in the previous section when handling
blades. Failure to do so could result in equipment damage.
Safety Measures
Observe the following safety measures to remove, install, repair, or maintain the system.
●
Do not wear watches or jewelry while working on a system cabinet.
●
Keep fingers and conductive tools away from high-voltage areas and from high-current areas.
DANGER:
●
Serious injury or death
●
Keep fingers and conductive tools away from high-voltage areas. Serious injury or death will occur if
these precautions are not followed.
WARNING:
●
Severe personal injury
●
Ensure that the electrical circuit breakers for the equipment being serviced are off, locked, and
tagged. Failure to do so could result in severe shock and burns.
●
Remove all tools from the system cabinets after performing service.
●
Replace all covers and panels that were removed from the system during servicing.
●
Some procedures require powering off the system; power off the system only after shutting down the system
software in an orderly manner.
CAUTION:
●
Loss of data
●
Do not power off the system before halting the operating system. Failure to do so could result in loss
of data.
Cray systems may reach noise levels where the use of hearing protection is required. The need for this protection
depends on such factors as the number of installed cabinets, the speed of the blowers, and the physical design
and the materials used in the computer room. The use of hearing protection is highly recommended for all
About the XC30-LC and XC40-LC Repair Procedures
9