Crown CT33123, Original Instructions Manual, Page: 14 / 80

14
English
before the beginning of work; evaporations of
substances inside capacities or pipelines can cause
explosion, explosion or poisoning�
• Never execute welding works on the capacities
which are under pressure�
• Do not use the machine for defrosting frozen pipes�
• When working heights, observe safety procedure for
working heights�
After finishing operations
• Always turn off a gas cylinder valve after completion
of works�
• After the final shut-off, examine a place where weld -
ing works were carried out, do not leave decaying sub-
jects, or the heated particles of metal - they can cause
a fire.
• After finishing operation do not switch off the
machine at once, wait several minutes for the machine
to cool down sufficiently.
Symbols used in the manual
Following symbols are used in the operation manual,
please remember their meanings� Correct interpreta-
tion of the symbols will allow correct and safe use of
the machine�
Symbol Meaning
Serial number sticker:
CT ��� - model;
XX - date of manufacture;
XXXXXXX - serial number�
Read all safety regulations
and instructions�
Wear a welding mask�
Wear a dust mask�
Disconnect the machine
from the mains before instal-
lation or adjustment�
Movement direction�
Rotation direction�
Symbol Meaning
Locked�
Unlocked�
Earthing loop�
Attention� Important�
Useful information�
Do not dispose of the ma-
chine in a domestic waste
container�
Machine designation
Machines are intended for creation of one-piece con-
nection of various metals (further in the text "welding of
metals") by their local fusion�
All models of welding inverter ( TIG ) allow welding
metals with direct current, with non-consumable elec-
trode (of tungsten) in an atmosphere of inert shielding
gases� Using this method, non-alloyed and low-alloyed
steel, stainless steel, copper, nickel, titanium, etc� can
be welded�
It is also possible to perform manual arc welding
( MMA ) using consumable electrodes with coating�
Machine components
1 Ventilation hole
2 On / off switch
3 Ground bolt
4
Connecting pipe
5 Socket "+"
6 Welding torch control socket
7 Welding torch connector
8
Socket "-"
9 Carrying handle
10 Indicator "A" (current adjustment)
11 Indicator "%" (adjustment in parameters in per-
centage terms)
12 Indicator "S" (time adjustment)
13 "Hz-kHz" indicator (frequency adjustment)
14 Display
15 Power indicator
16 Temperature protection indicator