TM
5-3431-200-15
Page
Paragraph
Tools and equipment:
Basic
issue---------------------------------------------------------------------------------------------
13,41
Special----------------------------------------------------------
Specially
designed-------------------------------------------------------------------------------------
Training,
demolition----------------------------------------------------------------------------------------
Trigger:
Switch-----------------------------------------------------------
Switch
relay---------------------------------------------------------------------------------------------
Testing------------------------------------------------------------------
Switch relay capacitor ------------------------------------------------------
Testing -----------------------------------------------------------------
Troubleshooting (Field and depot) :
Contactor fails to close when trigger is pressed ______________________________
General
--------------------------------------------------------------------
Motor fails to run when inching switch is pressed ----------------------------
Welding set starts but fails to continue welding ------------------------------
Wire:
Feed speed too fast --------------------------------------------------------
Feed speed too slow --------------------------------------------------------
Will not feed --------------------------------------------------------------
Troubleshooting (operator and organizational) :
Argon gas:
Flow
obstructed
--------------------------------------------------------
Leaks
----------------------------------------------------------------
Will
not
flow
----------------------------------------------------------
General
--------------------------------------------------------------------
Welding gun shorts between nozzle and guide tube ----------------------------
Welding set:
Starts but fails to keep welding ----------------------------------------
Will not start to weld --------------------------------------------------
Wire:
Feed speed too fast ----------------------------------------------------
Feed speed too slow -------- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Will
not
feed
----------------------------------------------------------
Tubes:
Guide
---------------------------------------------------------------------
Gun ----------------------------------------------------------------------
Unloading the equipment
------------------------------------------------------
Unpacking the equipment
------------------------------------------------------
Valve,
----------------------------------------------------------------
Testing ------------------------------------------------------ .-------------
Weight and dimensions --------------------------------------------------------
Welder will not operate when power switch is placed in the ON position ------------
Welding gun:
Cover, shield, fitting assembly, swing arm, and current cable ------------------
Service -------------_ ----_ --_----------------------_-_-------------------&-
S h o r t s between nozzle and guide tube ----------------------------------------
4b, 74b
Tabulated
data
------------------------------------------------------------
Welding set:
Operation ------------------------------------------------------------------
S t a r t s but fails to continue welding ------------------------------------------
Starts but fails to keep welding --------------------------------------------
Will not start to weld ------------------------------------------------------
Welding wire feed control rheostat ----------------------------------------------
Testing ----------------------- ---------------------------------------------
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