Blastrac BMS-220 ADB Operating Manual page 26

Using correct blades is a only half of success. Second is put tool in optimal geometry to the ground.
Information to the most popular materials:
- VCT tiles : slide plate with distance between 6 to 12mm from floor. It's better to start with
narrow cutting head. If it possible can be used wide one. The best should be Premium
Hight Tempered blades.
- Foam back carpet set-up : slide plate with distance from 6 to 12mm to the floor. Is
possible to use cutting head from 250 to 350mm. But in some situation good choice can be
also cutting head from 350 to 700mm.
Ceramic set-up : slide plate form 6 to 12mm. Best working blades are Shank Blade or
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Shank blade with a carbide.
- Secondary backing carpet set-up : slide plate with distance from 6 to 12mm to the
floor. Proposed seta are cutting head from 255 to 685mm with Heavy Duty Blades or a
cutting head ( 255 to 355mm ) with Self Scoring Blade.
Double stick carpet set-up : slide plate with distance from 6 to 12mm from floor. In this
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case it good to start with cutting head (255 to 355mm ) with Self Scoring Blade. Important
is to have sharp blades.
- Wood set-up : slide plate with distance from 6 to 12mm to the floor. Preferred are Shank
Blades, Shank Blades with carbide tips or a cutting head ( 150 to 205mm ) with Shoe
Blades, Bent Shoe Blades or Heavy Duty Blades. Machine need have angle 45⁰ to the grain
of the wood.
- Thin coating set-up : slide plate with distance from 150 to 205mm to the floor or from 6
to 12mm off the wood. Correct distance need to be set after tests. Preferred application is
cutting head ( 200 to 685mm) with Razor Blades. But it is possible also to work with
cutting head ( 200 to 360mm ) with standard blade.
- Re- scraping set-up : slide plate with distance from 150 to 205mm. Cutting head (200 to
685mm ) with Scraper Blades can be used. Good to remember that blade should be one
step bigger than the cutting head.
- Working over concrete : most important is to install blade bevel up. Because with this
kind of material can be really different conditions. The best way is test different settings.If
machine works ok operator can use wider blade.
- Working over soft sub-floor : slide plate with distance from 6 to 12mm from floor.
Preferred are Extra Heavy Duty Blade or regular blade. Blades need to be install bevel up
and the position need be flat as is possible. On regular blade operator can try bend up the
corners. This should help to digging into the floor.
- Working over wood : in this case important is to know if floor is strong enough to put
machine on it. Before better is to take out the weights and not necessary equipment.
Distance between slide plate and floor should be from 6 to 12mm. Preferred are Extra
Heavy Duty Blades, shoe blades or regular. Always mounted bevel up. Important is also to
keep the blades as flat as possible to the floor.
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