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D final assembly, 9 testing, A performance test – Trebor 55D EVOLVE User Manual

Page 22: B pump drying procedure

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PAGE 22

EVOLVE 55D PUMP OPERATION / MAINTENANCE MANUAL

• Turn the pump body over and remove the union nut.
• Repeat the process of installing the diaphragms over the PP pins on the head and attach

the head to the body with the second union nut.

• Using the torque tool and the torque wrench, tighten the union nuts slowly to 125 ft.-lbs.

Repeat for the second union nut.

4.8.d Final Assembly

• Place smart pilot seal onto smart pilot assembly. Thread smart pilot assembly into pump

head. Apply 35 in-lbs. with pin tool.

• Insert pilot cap seal into port. Thread pilot cap into port. Apply 40 in-lbs. with pin tool.
• Thread muffler assembly into pump head. Apply 35 in-lbs. with pin tool.
• Place leak seal into leak port. Thread plug into leak port. Apply 35 in-lbs. torque.
• Thread transfer tube into head ports using Latex gloves for added grip. Ensure that the

shoulder of the transfer tube touches the flat surface around the port hole.

• Repeat for second pump head.
• Place control base on mounting base. Slide base forward. Slide locking lever to secure

base.

• Ensure that the quick grip nuts on the Jaco fittings are loosely attached.
• Carefully guide the transfer tubes into the Jaco fittings. Gently manipulate the pump until

all four transfer tubes are fully seated in the Jaco fittings.

• Hand-tighten all four of the quick grip nuts. Then use a wrench to turn the nuts 1½ to 2

more turns to fully seal the fitting.

• Follow pump connection instructions above.

4.9 TESTING

4.9.a Performance Test

• Connect the pump to a fluid and air supply. See above instructions.
• 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 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