Rev. F, December 2020
Page 6 Pro-Wedge VM-20 Operator’s Manual
6.4
Accessories
The Pro-Wedge has been designed to weld a wide range of materials on most sub grade
types. However, for the best results on each job site, there are many different accessories
available to help make the welding process easier. For example, the independent front
travel rollers can be replaced with a wide tubular roller to help prevent sand and loose dirt
from pushing up onto the bottom sheet of material. For extreme cases of sandy sub grades,
an outrigger system and raised rear travel roller are available. Please contact supplier for
more information and pricing.
7 Material Set-up
The Pro-Wedge is designed to weld a wide range of material types and thickness’ from
very thin PE, PP and PVC to very thick materials such as 60-120 Mil (1.5-2.5mm) HDPE.
Non-woven geotextiles can also be welded at very high speeds (up to 32 ft/minute with
stock motor). The Pro-Wedge uses a spring-loaded upper contour roller system and
“floating” wedge design that allows the operator to weld several different thicknesses of
material without resetting the adjustments. However, for best results on all materials, the
following set-up procedure can be used.
Note: before you begin, you will need the following items to set-up a Pro-Wedge hot wedge
welder:
1. Adjust material using the material set up template as seen in Figure 7.1 (P/N 100-160T).
Trace the template on a piece of the material you will be welding, cut it out and write the
word “Top” on your adjustment material at the same location that it appears on the
template. Fold adjustment material so that the word “top” is visible.
2. Set of metric Allen wrenches.
3. 13mm open end wrench.
4. Phillips screw driver.
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