Dell 3010CN Service Manual page 100

Various kinds of screws are used, so be sure to use the screw at the correct positions. Pay
attention in distinguishing the screws for plastic and for sheet metal. Incorrect use of the
screw type may cause in damaging the screw threads or other troubles.
lfor the screw installation locations on the frame where the character "T" is stamped, use
the screws for plastic.
No. Type
Plastic
Screw for
1 plastic
Silver, tap
Parts etc Plastic
Plastic
Screw for
plastic
2
Silver, tap,
with a flange
Parts etc Plastic
Plastic
Screw for
plastic
3 Silver, tap,
with a
washer
Parts etc Plastic
Sheet metal
Screw for
metal sheet
4
Silver, with
a flange
Parts etc Sheet metal
Sheet metal
Screw for
metal sheet
5
Silver, with
a flange
Parts etc Sheet metal
Application Shape
Chapter 3 Removal and Replacement Procedures (RRPs)
How to distinguish
•Silver colored
•Screw thread is
coarse
comparing to
the sheet metal
Coarse
type.
•Screw tip is
thin.
•Silver colored
•It has a flange.
•Screw thread is
coarse
comparing to
the sheet metal
Coarse
type.
•Screw tip is
thin.
•Silver colored
•It has a washer.
•Screw thread is
coarse
comparing to
the sheet metal
Coarse
type.
•Screw tip is
thin.
•Silver colored
•It has a flange.
•Screw tip is
somewhat thin.
•Silver colored
•It has a flange.
•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.
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.
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.
As it has a
function to cut
the thread by •Covers
itself, if the •Places
screw is inserted easily
in an angle and seen by
tightened, the the users.
screw thread will
be damaged.