BX920 S4
Upgrade and Maintenance Manual
27
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
Screw
Usage
Type
Phillips
PH2 / (+) No. 2
hexagonal cross
SW5 / PZ2
Backup
drives,
optical disk
drives,
chassis
M3 x 4.5 mm
(silver)
C26192-Y10-C67
Phillips
PH2 / (+) No. 2
hexagonal cross
SW5 / PZ2
System
board
M3 x 6 mm
(silver)
C26192-Y10-C68
Phillips
PH2 / (+) No. 2
hexagonal cross
SW5 / PZ2
Backup
drives with
UNC thread
UNC
6-32 x 4.76 mm
(black)
C26192-Y10-C75
Phillips
PH0 / (+) No. 0
2.5-inch
HDDs / SSDs
M3 x 3.5 mm
Wafer head screw
(silver)
C26192-Y10-
C102
TPM bit insert
Dedicated TPM
screw driver /
TPM module
fixing tool (for the
Japanese market)
TPM screw
One way
head
(black)
REM 3 x 15 mm
(black)
C26192-Y10-
C176
Table 2: List of required tools and used screws