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SYSTEM OPERATION AND MAINTENANCE
Part 1: Getting Started
The Ultilivac® system is the result of a focused research and development effort with the goal of providing a practical vacuum excavation system when operated from a portable 185 cfm compressor. It is designed to provide years of trouble free service under the most extreme operating conditions.
Theory of Operation
The Utilivac® system generates a powerful vacuum suction at high rates of flow by converting the energy contained in compressed air into vacuum. This is accomplished through a series of computer designed nozzles, venturi and entrainment chambers connected by neoprene differential pressure valves. The operation of the valves is automatic and provides the operator with the exact level of vacuum or flow needed at any moment. The Utilivac® is an optimized system, meaning that it has been precisely balanced by maintaining tolerances of .001" on internal working surfaces. Each unit is individually hand made to these tolerances; any modification of the vacuum generator by the end user whatsoever will render the system inoperable. The Ultilivac® is a closed vacuum system. This means that there must be a sealed vacuum container attached to the vacuum generator in order for the system to work. The Ultilivac® is not intended to have material pass directly through the vacuum generator, and can not dump material directly onto the ground without the use of some kind of air lock. Every piece of the Ultilivac® system is protected by patents domestic and foreign.
System Components
A complete Ultilivac® system for digging applications consists of the vacuum generator, the control valve, the hopper, and the air lance. We also provide a 4" material pickup hose assembly. We do not recommend the use of other air lances, or other types of pickup hose with the system. The system has been carefully designed to operate at its best with the supplied lance and hose. Other air lances may consume too much compressed air and are less effective than the one available with the Ultilivac® system. When your pickup hose is worn out it can be replaced by calling the factory or your local hose supplier.
The VE-75 hopper lid fits standard 55 gallon drums. Utiliscope also manufactures a separator head designed specially to fill 55 gallon drums for environmental and remediation applications. Select drums that have a good rolled lip where the lid will seal. Damaged drums may collapse under high vacuum or develop air leaks that will reduce the effectiveness of the system.
