Assemble The Acoustic Stack; Table 4.7 Assemble The Acoustic Stack - Emerson Branson 2000 Series Instruction Manual

100-214-251 IWoper.book Page 62 Friday, June 16, 2017 4:12 PM
4.8

Assemble the Acoustic Stack

WARNING
If the converter and booster are not assembled, perform the following steps.
CAUTION
CAUTION
Table 4.7

Assemble the Acoustic Stack

Step
Raise the welding head by loosening the upper and lower column clamps and
1 turning the elevation knob clockwise. After raising the head, re-tighten the
column clamps.
2 Open the carriage door by loosening the captive screws.
Clean the mating surfaces of the converter, booster, and horn. Remove any
3
foreign material from the threaded holes.
Install the threaded stud into the top of the booster. Torque to 450 in-lbs,
4 50.84Nm. If the stud is dry, apply 1 or 2 drops of a light lubricating oil before
installing.
Install the threaded stud into the top of the horn. Torque to 450 in-lbs,
5 50.84Nm. If the stud is dry, apply 1 or 2 drops of a light lubricating oil before
installing.
Install a single Mylar washer (matching the size of the washer to the stud) to
6
each interface.
62
General Warning
To prevent personal injury or damage to the equipment or workpiece
being welded, always hold the welder in place before releasing the
column clamps. This procedure may require two persons.
General Warning
The following procedure must be performed by a setup person. If
necessary, secure the largest portion of a square or rectangular horn
in a soft jawed vise. NEVER attempt to assemble or remove a horn by
holding the converter housing or the booster clamp ring in a vise.
General Warning
Do not use silicone grease with Mylar washers. Use only 1 (one)
Mylar washer of the correct inside and outside diameters at each
interface.
Action
100-214-251 REV. 05