6-17. Main Transformer
Warning: The main transformer weighs
approximately 300 pounds.
and difficult to remove. Eliminate all other possible
sources of trouble before removal. Filter reactor L1
handling equipment to remove the main transformer
is mounted on top of the transformer. Proceed as
from the base.
follows to remove the transformer.
(1) Disconnect ac power from the welding ma-
(2) Remove the timer and high frequency drawer
(3) Install overload relay K7 and control trans-
(3) Remove the top and housing from the weld-
(4) Remove the fan motor and guard assembly
(7) Install fan motor and guard assembly (para
(6) Remove the power rectifier assembly sus-
(9) Install the timer and high frequency drawer
(8) Remove overload relay K7 and control trans-