Doc No. 740124 17
MODEL 9 SERIES WELD HEAD
OPERATION MANUAL
9.0 RETURN-TO-HOME (ROTOR) POSITION ADJUSTMENT (cont’d.)
9.4 Slide the limit switch bracket very slightly toward the rotor, (to stop the
rotor sooner) or very slightly away from the rotor (to stop the rotor
later) and re-tighten the limit switch mounting bracket screw(s).
9.5 Turn on the unit, and open a weld schedule.
9.6 Be sure the machine is in the “TEST” mode, and be sure the rotor is
safe to rotate. No tools or fingers in the way. Touch “START”, then
immediately touch “STOP”. The rotor should return to the “HOME”
position. Should the rotor not stop in the correct “HOME” position,
repeat steps 9.3 – 9.6.
9.7 Replace the access cover(s).
10.0 CLEANING AND MAINTENANCE
All of the connectors at the end of the cable must be kept clean and free of
grease, oil, dirt or other contaminants. Keep the cap on the electrical multi-pin
connector when not in use.
From time to time, depending on the cleanliness of the tube/pipe being welded,
the type and quality of the arc gas and the number of welds done, the rotor and
weld head housing will build up soot, which should be cleaned on a regular basis.
10.1 Use isopropyl alcohol and Scotch Brite or steel wool to clean both
brass (male and female) power and ground connectors. Rinse off all
debris and dry before reconnecting.
10.2 After cleaning, use a small amount of o-ring lube, oil or grease on the
female (brass) connector o-ring to facilitate easier connecting.
10.3. Use a clean lint-free cloth and isopropyl alcohol to clean the rotor,
(black) rotor guide ring, weld head housing and view window.
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