Trebor 55E EVOLVE - Manual (Page 22)

PAGE 22 EVOLVE 55E PUMP OPERATION / MAINTENANCE MANUAL
4.8.c Head and Body Assembly

Install the mounting fittings in the pump fluid adapter ports

Thread union nut on one side hand tight. Do not install head or diaphragm at this point.
This will protect body during initial pump assembly.

Place pump body with the union nut on the table.

Place one head on the table with the air chamber facing up.

Insert 8 PP pins into the 8 small holes around the circumference of the main seal.

Place the white fiber optic target between and centered between two diaphragms.

Place the diaphragms onto the body, ensuring that the PP pins pass through all 8 holes
in both diaphragms.

While holding the diaphragms in place, lift the pump head and place it on the pump
body. Ensure the transfer tube port openings are directed toward the bottom of the
pump. Fit all 8 PP pins into the holes in the pump head.

While holding the pump head in place, position the slip ring onto the pump head

Thread the union nut onto the pump body and tighten by hand.

Turn the pump body over and remove the union nut.

Repeat the process of installing the diaphragms over the PP pins on the body 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

For the following instructions, see Figure 4-6 for port locations and top/bottom
alignments.

Insert the Bottom Pilot Port Gasket into the center hole. Thread the Bottom Pilot Port
Plug into the hole. Apply 35 in-lbs. with the pin tool.

Insert the top pilot port gasket into the center hole. Thread the top pilot port plug into the
hole. Apply 40 in-lbs. with pin tool.

Insert Exhaust Port Gasket into the top hole. Thread the Exhaust Port Plug into the hole.
Apply 35 in-lbs. with the 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.