PLACE VACUUM
TESTER OVER PUMP
SUCTION PORT
ACCEPTABLE READING
SHOULD BE BETWEEN
-25 AND -20 IN. HG.
PUMP VACUUM
TESTER
QP4TB TRASH PUMP • OPERATION MANUAL — REV. #0 (01/11/24)— PAGE 25
DISCHARGE
PORT
-15
-60
-40
-80
-20
-100
kPa
in. Hg
R
WIKA
Figure 19. Pump Vacuum Test
MAINTENANCE ( PUMP )
CAUTION
DO NOT RUN PUMP
WITHOUT WATER.
WATER HOSE
DIRECTION
OF WATER
FLOW
25 IN. HG. TRANSLATES
INTO 25 FEET OF LIFT
AT SEA LEVEL.
WATER
SOURCE