QP3TS TRASH PUMP • OPERATION MANUAL — REV. #0 (03/02/20) — PAGE 21
MAINTENANCE (PUMP)
Figure 12. Pump Vacuum Tester
25 IN. HG TRANSLATES
INTO 25 FEET OF LIFT
AT SEA LEVEL
PUMP VACUUM
TESTER
DISCHARGE PORT
WATER HOSE
WATER SOURCE
DIRECTION
OF WATER FLOW
PLACE VACUUM
TESTER OVER
PUMP SUCTION
PORT
ACCEPTABLE READING
SHOULD BE BETWEEN
-25 AND -20 IN. HG
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