Page 30 Section 5
Maintenance
MSD SABER SERIES SHEARS
WELD-IN TIP REPLACEMENT
if equipped
If the piercing tip is badly worn, it is advisable to
install a new piercing tip using the following
instructions.
1.
Preheat the surrounding area to about 200°F
(100°C) to remove moisture. Preheat the area within
6" (150 mm) of the tip to a minimum of 400°F (200°C)
and a maximum of 450°F (230°C). Maintain this tem-
perature range throughout the process.
2.
Air-arc the old tip to remove it. Be sure to remove
the old tip completely. Please note that a notch or
seat for the tip is present in the upper shear.
3.
To completely prepare the surface for the new tip,
the upper must be chamfered as shown (see
Figure
5-30
). The chamfer size should be approximately one-
half the thickness of the new tip.
4.
Place the new tip into the seat. Use a straightedge
to position the tip before tacking it into place. The
side edge of the new tip should be fl ush with the
face of the blade (see
Figure 5-31)
.
5.
Make sure the tip is squarely against the edge.
Once the tip is positioned properly, bring the preheat
back up to 400°F (200°C) and tack the tip in place.
6.
Check the tip profi le with the build up template
supplied by Stanley LaBounty (see
Figure 5-32
).
7.
Close the shear until the tip begins to enter the
lower shear and check the clearance of the new tip.
If clearance is correct, proceed with the following
steps. If not, adjust the position of the tip as needed.
NOTICE
If the front wear plate is also worn, replace it at the
same time as the piercing tip.
NOTICE
Before installing the new piercing tip, grind the area
fl at and smooth. Remove carbon residue with the
air-arc.
FIGURE 5-30
FIGURE 5-31
TIP FLUSH WITH BLADE
BUILD-UP TEMPLATE
FIGURE 5-32
45º CHAMFERS
