Toshiba A60 S1591 Maintenance Manual - Page 151

Colors of Screw Shanks, Symbols of Screws on the Computer Body, Symbol examples

Page 151 highlights

4.1 General 4 Replacement Procedures 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 ? Bind screw ? Flat-head screw ? Super flat-head screw ? Tapping screw ? Other screws Letter B (stands for bind) F (stands for flat-head) S (stands for super flat-head) T (stands for tapping) U (stands for unique-pan head screws, studs, etc.) Symbol examples ? 6 mm bind screw B6 ? 12 mm bind screw B12 ? 5 mm stud U5 (The numeral represents the rounded length of the threaded portion irrespective of the entire stud length.) Equium A60/ Satellite A60/ Pro A60/ A65 Maintenance Manual 4-7

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4.1
General
4
Replacement Procedures
Equium A60/ Satellite A60/ Pro A60/ A65
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
B6
?
12 mm bind screw
B12
?
5 mm stud
U5
(The numeral represents the rounded length of the threaded portion irrespective of the entire
stud length.)