Table 4. graphical symbols used in this manual – Arc Machines 307 User Manual
Page 31
Arc Machines, Inc. Model 307 Orbital Tube Welder Training
Document No. 740096 Chapter 3. Page 15
Rev. A
65
Rotating Switch
To Signify Increase or
Decrease of a Quantity by
Rotating
ANSI/NEMA
66
Weld Head Posi-
tion
To Signify Position of the
Weld Head with Respect
to the Pipe
AMI
67
Automatic Cycle
To Signify an Automatic
Sequence of Machine
Functions Repeated Con-
tinuously without Manual
Intervention
ISO 7000-0026
68
Single Cycle (or
Pass of Welding
Sequence)
Signify a Process that is
Completed in One Cycle,
(i.e. a Pass)
ISO 7000-0426
69
Auto-Manual
Switch
To Signify a Switch
between an automatic
and manual function
ISO 7000-0096
ISO 7000-0026
ANSI/NEMA
70
Rotating Switch
with Set Posi-
tions
Signifies an increase/
decrease of quantity with
a rotary control in steps
ISO
N95 31
71
A
Amperage (con-
trol)
To Signify Amperage or
Amperage Control
S1
72
V
Voltage (con-
trol)
To Signify Voltage or
Voltage Control
S1
73
t
Time
To Signify Time
S1
74
s
Seconds
To Signify Seconds
S1
75
HF
High Frequency
S1
76
f
Frequency
S1
77
HZ
HERTZ
To Signify Cycles per Sec-
ond
S1
78
5G
5G Welding
Position
To Signify Pipe Horizon-
tal Position
Table 4. Graphical Symbols used in this Manual