Tweco Thermal Arc TA 500 - Manual (Page 26)

Installation 2-6 Manual No 0-0470
CAUTION
Do not attempt to operate this system unless all
parts of all enclosures are in place. This is im-
portant for proper cooling as well as for safety.
WARNING
Care should be taken when working around the
unit when the power is turned on. No changes
of electrical connections or torch parts should be
attempted unless the primary power is first
turned off.
37. Turn on the primary power and verify the di-
rection of rotation of the fan motor. It should
blow air out the back of the unit. If air is not
blown out the back of the unit, the rotation is
incorrect and any two motor leads (lines 44, 45,
or 46) on the transformer terminal board should
be switched.
38. When the ON-OFF switch on the Control Con-
sole is moved to ON the HE 200 should come
on. Run the Coolant Recirculator for several
minutes to remove air trapped in the lines. Af-
ter running for a few minutes, turn the
Recirculator OFF and remove the reservoir cap.
Bring the coolant up to the level of the
crosswires and install the Reservoir Cap/Car-
tridge Assembly supplied with the unit. Re-
place the cover and secure.
39. The System is now ready for operation.