NUMBER
ENGINEERING ADJUSTMENT SUMMARY
120789-2
DBW-15
MODEL
WELD LEVER must be calibrated in the following manner:
The weld lever drag spring must be properly shimmed as described above.
1.
Loosen but do not remove the two screws that secure the spring, shims
2.
and escutcheon.
Place a 0.150" gage between the jaws and bring the weld lever down, so
3.
the jaws just touch the gage.
Move the escutcheon (note elongated holes fig. 5) so the weld lever pointer
4.
indicates the narrowest position (the bottom line on the escutcheon that also
corresponds with 1/16" band - note fig. 5) and then tighten the two screws.
BLADE ALIGNMENT GUIDES
The blade alignment guides are used to maintain tooth edge alignment of the
wide of the band being welded. Before installing the band guides, check their
mounting surfaces on the welder jaws. These surfaces must be in line within
0.004", when checked with a straight edge. A file may be used to bring the sur-
faces in line. The guides are aligned to protrude below the band clamping surface
of the welder jaws by 0.025" (fig. 6). Adjust in the following manner:
Loosen the screws holding the Band Guides to the jaws.
1.
Insert a section of 1" x0.035 ga. band into the welder jaws. The band
2.
must be out of the jaws (teeth extend in front of alignment guides by at
Place a 0.025" shim on top of the band, but within the jaw clamping area.
3.
4.
Clamp the jaws.
5.
Adjust the Band Guides so they touch the ride of the 1" x 0.035 band and
lock in place.
Approved:
Prepared by: Roger Harris
D a t e : 7-31-69
H-43