MULTIQUIP QP-402H Operation And Parts Manual page 21

PLACE VACUUM TESTER
OVER PUMP SUCTION PORT
ACCEPTABLE READING
SHOULD BE BETWEEN
-25 AND -20 IN. HG.
PUMP VACUUM
TESTER
QP-402H CENTRIFUGAL PUMP — OPERATION AND PARTS MANUAL— REV. #1 (04/02/08) — PAGE 21
QP-402H — MAINTENANCE (PUMP)
CAUTION
DO NOT RUN PUMP
WITHOUT WATER.
DISCHARGE
PORT
-15
-60 -40
-80
-20
-100
kPa
in. Hg
R
WIKA
Figure 18. Pump Vacuum Tester
WATER HOSE
WATER
SOURCE
DIRECTION
OF WATER
FLOW
25 IN. HG. TRANSLATES
INTO 25 FEET OF LIFT
AT SEA LEVEL.