Fujitsu SPARC ENTERPRISE M9000 Service Manual page 197

CMU Guide Lock (Enlarged)
FIGURE 6-22
Caution – When using the CPU Module insertion/extraction tool, make sure that it
is set in position and used in the manner shown in the figure. If the CPU Module
insertion/extraction tool is set and used in a different direction from the figure,
serious damage may result.
e. Raise the CPU Module insertion/extraction tool on the CPU Module side
until the tool is standing upright, perpendicular to the ground.
The CPU Module and CMU connectors are coupled, and the CPU Module is
mounted.
Chapter 6 Replacement of CPU/Memory Board Unit (CMU), CPU, and DIMM 6-39