Trebor 50D Maxim - Manual (Page 22)

PAGE 22 MAXIM 50D PUMP OPERATION / MAINTENANCE MANUAL

Increase the air pressure until the pump starts to cycle

Record the start pressure, Target = <20psig

Pump must prime once even cycling is achieved

Increase pressure to 60 psi

Check for fluid leaks & listen for air leaks

Ensure that the pump does not cycle erratically

Close the discharge valve and deadhead for 2 minutes

Pump must not experience machine gunning, erratic cycling or leaks

Open discharge valve and expel the remaining DI water

Prepare the pump for drying
4.9.b Dry Pump

Connect vacuum hose to discharge line

Connect purge line to fluid inlet

60 psig Supply Pressure

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

20 psig Supply Pressure Target

Record Suction Value

Target = 12 in-Hg.