Operating Instructions
1-9DEZ
Description and Function
August 2005
13
3.7 Blast Unit – Chassis
All components on the blast unit are mounted on a mobile transporter. This transporter,
consists of a two-wheeled rear chassis with an additional two-wheeled front caster kit
for added stability.
The adjustable operator’s handle connected to the chassis and may be pushed down to
allow the operator to lift the blast seal over small obstructions. For safety reasons, we
recommend that the bottom of the front urethane seal not be lifted more than
approximately 1/8 inch from the surface being cleaned.
Warning: Lifting the seal edge
beyond this may allow high velocity abrasive to escape the blast chamber (See
Section 1).
3.8 Cleaning Media (Abrasive)
Blastrac provides a variety of specially sized, high quality abrasive for Blastrac shot
blasting systems. This steel abrasive is made of high quality martensitic steel to provide
long operating life and minimal abrasive breakdown.
The 1-9DEZ is designed to operate with abrasive in sizes S-110 through S-330. The
selection of proper abrasive is very important to the performance of the Blastrac shot
cleaning system. Your Blastrac representative can help with the proper selection of
abrasive for your particular application.
The steel abrasive causes minimum wear on the internal blast components. The dust
and contaminants are the principal causes of component wear. A well-maintained
ventilation system will minimize abrasive contamination, which helps reduce operating
costs and increases the overall efficiency of the shotblasting system.
Summary of Contents for 1-9 DEZ
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