Before you start
2.3
Tools you need at hand
When preparing the maintenance task, ensure that all required tools are
available according to the overview below. You will find a list of required tools at
the beginning of each procedure.
Screw driver /
Bit insert
Phillips
PH2 / (+) No. 2
hexagonal cross
SW5 / PZ2
Phillips
PH2 / (+) No. 2
hexagonal cross
SW5 / PZ2
Phillips
PH1 / (+) No. 1
Phillips
PH2 / (+) No. 2
hexagonal cross
SW5 / PZ2
Phillips
PH1 / (+) No. 1
Table 2: List of required tools and used screws
26
Screw
Upgrade and Maintenance Manual
Usage
Type
6-32 x 5.0 mm
Chassis
MS06050FD40
System board,
6-32 x 4.7 mm
riser card,
mezzanine
MU0603EHDD1
card
M2.5 x 5.0 mm
BBU
MS25050FDR0
6-32 x 6.0 mm
BBU holder
MS06060H290
M3 x 4.5 mm
UFM nylon
(white)
screw
A3C40109082
CX250 S2