Table of Contents
Advertisement
9
Regulating vacuum on suction line
If it is necessary to reduce the vacuum on the header pipe somewhat, this can be accomplished by slightly
readjusting the blow valve (1) on the pump. This results in a bit of air leakage developing in the pump at the stone
catcher, which will slightly reduce the total vacuum on the header pipe.
.
Unscrewing the nipple increases the bleed air from the vacuum regulator valve
17
Advertisement
Table of Contents
