(9) Remove filter reactor L1 (para 6-21 ).
Warning: The main transformer weighs
approximately 300 pounds.
and difficult to remove. Eliminate all other possible
(10) Refer to figure 6-5 and use proper material
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.
b. Installation.
(1) Disconnect ac power from the welding ma-
(1) Refer to figure 6-5 and install the main
chine.
transformer on the base assembly.
(2) Remove the timer and high frequency drawer
(2) Install filter reactor L1 (para 6-21 ).
(3) Install overload relay K7 and control trans-
(3) Remove the top and housing from the weld-
former T2 (para 6-18).
ing machine (para 3-20).
(4) Install tesla coil (para 6-20).
(4) Remove the fan motor and guard assembly
(5) Install power rectifier assembly (para 6-26).
(6) Install front control panel (para 6-13).
(5) Remove the front control panel (para 6-13).
(7) Install fan motor and guard assembly (para
(6) Remove the power rectifier assembly sus-
pended above the transformer (para 6-26).
(8) Install top and housing (para 3-20).
(7) Remove the tesla coil (para 6-20).
(9) Install the timer and high frequency drawer
(8) Remove overload relay K7 and control trans-
former T2 (para 6-18).
