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SYSTEM OPERATION AND MAINTENANCE
The quality of your compressed air supply is the most important factor in insuring the success of operation. This system was designed to be used with a 185 cfm size compressor capable of producing 100 to 125 psi. A larger compressor will not provide improved performance of the vacuum generator, although it will not hurt. The vacuum pump is equipped with a pressure gauge (Figure 5) at the air inlet port on the back end of the unit. During operation, this gauge should read at least 68 psi when used with a 185 cfm compressor. The unit will not operate properly with less than 68 PSI showing on this gauge. THE GAUGE ON YOUR COMPRESSOR CAN NOT BE USED TO CHECK THE FUNCTIONING OF THE VP850 PUMP. THE GAUGE ON THE VP850 MUST HOLD 68 PSI FOR PROPER OPERATION! See Figure 5.
Figure 6a - Recommended, double hose arrangement.
Figure 6b - Alternate, single hose arrangement. This arrangement will not allow simultaneous operation of the vacuum and air lance.
