Installation; Installation And Assembly Of Torches; Connection Of Tig Torch Ltg And Ltw To Power Source; Connection Of Tig Torch Ltv To Power Source - LORCH LTG 900 Bedienungshandbuch

Installation

5 Installation
Also follow operating instruc-
tions provided by the welding
machine manufacturer!
5 .1 Installation and assembly of
torches
See example to insert the tungsten elec-
trode:
5
3
4
 Place collet (2) in collet body (3) and
screw these by hand on torch body (1)
 Screw ceramic cup (4) on collet body (3).
 Insert Tungsten electrode (5) from the
rear; make sure electrode has sufficient
length.
WARNING!
Electrode can be sharp.
 Screw back cap (6) onto torch body (1)
from rear.
‰ Maximum length of electrode depends on
the type of back cap.
Collet, collet body and tungsten
electrode must have the same di-
ameter !
The size of the gas nozzle need to
match the size of electrode.
10.12
6
2
1
5 .2 Connection of TIG torch LTG
and LTW to power source
Connect carefully and properly all machine
side connections of the TIG welding torch to
the power source.
WARNING! The TIG-power source
must be deactivated!
 Connection of power cable: Place torch
side power connector into the appropriate
socket on the LORCH TIG power source,
and fit by right-turn.
 Connection of the switch cable: Place
torch side connector into corresponding
socket on the power source and use Bay-
onet-lock closure.
 Connection of gas cable: Put torch side
gas nipple into the quick release plug on
the power source and ensure that it is sol-
id and proper seated.
 Connection of
LTW – Torch) Put torch side water nip-
ples into the corresponding quick release
plugs on the power and ensure it is solid
and proper seated.
– Blue = forward coolant
– Red = reverse coolant
Before operating torch or after eve-
ry cable assembly change, check
level of coolant in the circulation
unit and ventilate cooling system.
5 .3 Connection of TIG torch LTV
to power source
 Place torch side power connector into the
appropriate socket on the LORCH TIG
power source, and fit by right-turn.
 Before connection of gas hose, open
briefly pressure reducer on cylinder to dis-
charge any possible dirt
water cables: (only for
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