12
SA5 OPERATIONS MANUAL & PARTS LIST
(Rev. 2/2020)
4. OPEN THE AIR SUPPLY VALVE. THE VACUUM READING SHOULD
INCREASE TO 20-26” HG.
5. TURN SWITCH OFF. THE NEGATIVE PRESSURE IN THE TANK WILL CAUSE
THE PUMP TO ROTATE BACKWARDS UNTIL THE PRESSURE EQUALIZES.
6.
RUN THE UNIT IN “DISCHARGE” MODE
.
CHANGE THE PUMP-TO-TANK
HOSE TO DISCHARGE CONNECTION.