Trebor 620D Magnum - Manual (Page 22)

PAGE 22 MAGNUM 620D PUMP OPERATION / MAINTENANCE MANUAL

Install fittings and transfer tubes. See Figure 4-8.

Reconnect both air supply and fluid lines.
Figure 4-8
4.9 TESTING
Performance Test

With the air supply at 0 psi open the air supply valve

Increase the air pressure until the pump starts to cycle

Record the start pressure, Target = 28psig

Pump must prime and even cycling must be achieved
 Increase pressure to 60 psi and allow pump to run for 5 minutes

Check for fluid leaks, listen for air leaks, and check for irregularity
 Prepare the pump for drying
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.
Dry Suction

25-30 psig Supply Pressure Target

Record Suction Value

Target = 8 in-Hg.