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QP-402H CENTRIFUGAL PUMP — OPERATION AND PARTS MANUAL— REV. #1 (04/02/08) — PAGE 21
QP-402H — MAINTENANCE (PUMP)
Figure 18. Pump Vacuum Tester
-15
-30
-10
-5
in. Hg
kPa
WIKA
R
-100
-80
-60
-40
-20
ACCEPTABLE READING
SHOULD BE BETWEEN
-25 AND -20 IN. HG.
25 IN. HG. TRANSLATES
INTO 25 FEET OF LIFT
AT SEA LEVEL.
PLACE VACUUM TESTER
OVER PUMP SUCTION PORT
CAUTION
DO NOT RUN PUMP
WITHOUT WATER.
-25
-20
DISCHARGE
PORT
PUMP VACUUM
TESTER
DIRECTION
OF WATER
FLOW
WATER HOSE
SOURCE
WATER