Toshiba M40 User Manual

Page 141

4.1 General

4 Replacement Procedures

EQUIUM M40/M45 / Satellite M40/M45

Maintenance Manual

4-7

Colors of Screw Shanks

For easy identification of the correct screws, the screw shanks are colored according to their
lengths, as follows:

Screws of an even-numbered length

Brown

Screws of an odd-numbered length

White

Screws of a special length

Black

Screws of a special length are those of a length having decimal places, such as 2.5
mm and 2.6 mm.

Symbols of Screws on the Computer Body

For easy maintenance, the screw types are shown on the computer body as symbols. A
symbol consists of a letter representing the screw type and a numeral representing the screw
length.

Screw type

Letter

Bind screw

B (stands for bind)

Flat-head screw

F (stands for flat-head)

Super flat-head screw

S (stands for super flat-head)

Tapping screw

T (stands for tapping)

Other screws

U (stands for unique-pan head screws, studs, etc.)

Symbol examples

6 mm bind screw

12 mm bind screw

B12

5 mm stud

(The numeral represents the rounded length of the threaded portion irrespective of the
entire stud length.)