Badger Meter Portable Hydraulic Testers - Manual (Page 10)

Pump Test
Install tee between the pump discharge port and the return line to the tank . Be sure the fluid path is only through the pump,
the hydraulic test unit and back to the tank .
TANK
OPEN LOAD VALVE BEFORE STARTING MACHINERY.
INDICATES DISPLAY OVER RANGE.
DO NOT STAND IN FRONT OF PRESSURE RELIEF DISK VENT.
Flo-check
PFM
by HEDLAND RACINE, WI. USA
FLOW TEMP
O FF
TEE
PUMP
RELIEF
VALVE
Flo-check
PFM
OUT
IN
Figure 6: Pump test
1 . Plug the line to the control valve .
2 . Open the tester loading valve fully to read maximum pump flow at zero pressure .
3 . Close the loading valve to increase pressure from zero pressure to rated or maximum pump pressure to determine
pump condition .
4 . Check the pump flow at rated pressure against the pump manufacturer’s specifications . A decrease in flow from zero
pressure to maximum pressure indicates the pump condition . A pump that delivers a constant low flow at zero pressure
and at maximum pressure suggests suction problems .
Test procedures
Page 10 August 2014 TUR-UM-00730-EN-02