C final assembly, 9 testing, A performance test – Trebor 960E Mega User Manual

Page 20

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• The second push plate, while in the pump body, cannot be visually aligned.

Tighten push plate to 48 oz-in, then insert alignment pin into locking screw
hole. Rotate push plate CW until locking screw hole is aligned with the next
available hole in shaft and alignment pin drops into the shaft hole. Remove
alignment pin.

• Install push plate locking screw. Tighten to 12 oz-in.

4.8.c Final Assembly

(See Section 4.4, Parts Illustration, for reference.)

• Insert tie bolts into master head (press fit) and lay head flat with tie bolts

sticking up.

• Insert main transfer tube and O-ring into head.
• Install shuttle transfer tube with two O-rings.
• Place main seal into the main seal groove in master head.
• Install two diaphragms, removing all air from between diaphragms, onto the

tie bolts and shuttle transfer tube. Note main seal groove alignment.

• Place body assembly onto tie bolts and master head, ensuring alignment of

shuttle transfer tube and its corresponding body passage hole.

• Place remaining two diaphragms onto tie bolts, body and shuttle transfer

tube. Note main seal groove alignment.

• Place two O-rings onto shuttle transfer tube.
• Place the main seal O-ring into the formed groove of the slave head.
• Place a second main transfer tube and O-ring into slave head.
• Lift the slave head and body, while maintaining compression of the main

seal, flip the head and body over and insert the tie bolts into the master head.
Ensure that the main seal of the master head is not dislodged.

• Place all bushings & flat washers onto tie bolt threaded ends.
• Install flange nuts onto tie bolts, tighten evenly in a star pattern (do not

overload one side before applying torque to another as dislodgment of main
seal can occur), final torque is 60 in-lbs.

• Snap in tie bolt caps.

4.9 TESTING

4.9.a Performance Test

• Start with air regulator at low (< 15 psi) pressure setting.
• Pump must prime once pressure is increased
• 60 psig Supply Pressure
• Check for fluid leaks, listen for air leaks, check for irregularity
• Prepare the pump for drying

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MEGA 960E PUMP OPERATION / MAINTENANCE MANUAL

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