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3.
Position blade so that cut is made at a place that
allows for uniform spacing of teeth. See Figure 12.
4.
Bring handle down fi rmly to cut blade.
IMPORTANT: If a blade has been cut by using snips,
the ends of the blade must be ground square before
welding them together, as shown in Figure 14.
12.2 REMOVING TEETH
In fi ne pitched blades, one or more of the teeth on each
side of the cut may need to be removed by grinding so
that the weld area of the blade is uniform and the teeth will
be uniformly spaced. See Figure 12, and refer to section
12.5 Blade grinding.
Clean blade ends which
will contact welder jaws
Cut off blade ends square.
Allow for correct tooth spacing.
14
Fig. 11
Grind off teeth
within welding area
Areas consumed
by welding
Fig. 12
GRIND HERE
12.3 WELDING
!
The welder is designed for intermittent use. Repeat-
ed welding within a short period of time may cause
welder to overheat.
1.
Clean welder jaws and lower jaw inserts.
2.
Carefully clean ends of blade which will contact
welder jaws. Remove any dirt, oil, scale and oxide.
!
Any rust (oxide) on blade in vicinity of weld must be
ground off before blade can be welded.
3.
Turn pressure knob (Figure 14) to "0" position (point-
ed downward).
NOTE: There will be some resistance when turning
knob.
4.
Insert one end of blade into left clamp. Position back
edge of blade against back edge of left clamp. Then
position the end of the blade midway between left
and right clamps. Tighten left clamp.
5.
Insert opposite end of blade into right clamp. Position
back edge of blade against back edge of right clamp.
Then butt the end of blade against the other end of
blade (the blade ends need to be in contact with
each other). Tighten right clamp.
If snips are used
to cut blade,
grind ends square
as shown.
Fig. 13
Vertical Band Saw
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