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Trebor 55E EVOLVE User Manual

Page 24

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PAGE 24

EVOLVE 55E PUMP OPERATION / MAINTENANCE MANUAL

Record the start pressure, Target = 28psig

Pump must prime and even cycling must be achieved before continuing

Increase pressure to 60 psi and allow pump to run for 5 minutes

Check for fluid leaks, listen for air leaks, and check for irregular operation

Close the air supply valve and disconnect the pump

If required, prepare the pump for drying

4.9.b Pump Drying Procedure

Connect vacuum hose to fluid discharge

Connect purge line to fluid inlet

Apply 60 psig air pressure to the fluid inlet

Cycle pump & vacuum dry by rotating pump side to side for 30 seconds.

Turn off Air Supply and allow the pump to purge for 5 minutes.

4.9.c Dry Suction Test

Connect to air supply. See above instructions.

Connect a vacuum capable line with instrumentation to the pump fluid inlet

Apply 20 psig air pressure to the pump (Note: Pump cycling is controlled by the external

control system. The pump will not operate without an operating external controller.)

Measure and record the suction value

Target = 12 in-Hg.