Dell 5110cn Service Manual page 252

No. Type
Plastic
Screw for
2 plastic
Black, tap
Parts etc Plastic
Sheet metal
Screw for
3 metal sheet
Silver
Parts etc Sheet metal
Sheet metal
Screw for
4 metal sheet
Gold
Parts etc Sheet metal
Sheet metal
Screw for
metal sheet
5 Silver, with
an external
tooth washer
Parts etc Sheet metal
Wear a wrist band or the like as far as possible to remove static electricity of the human body.
Application Shape
Chapter 3 Removal and Replacement Procedures (RRPs)
How to distinguish
•Black colored
•Screw thread is
coarse
comparing to
the sheet metal
Coarse
type.
•Screw tip is
thin.
•Silver colored
•Diameter of the
screw section is
uniform.
•Gold colored
•Diameter of the
screw section is
uniform.
•Silver colored
•It has an
external tooth
washer.
•Diameter of the
screw section is
uniform.
3 - 2
Major
Pointed to be
installation
noted.
locations
As it has a
function to cut
the thread by
itself, if the
screw is inserted
in an angle and
tightened, the
screw thread will
be damaged.
•Each
section of
the
ground
wire.